Work out
(
8.8
×
10
−
2
)
+
(
3.4
×
10
−
4
)
Give your answer in standard form

Answer:

y - 2 = - [tex]\frac{3}{4}[/tex] (x + 8)

Step-by-step explanation:

the equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b ) a point on the line

here m = - [tex]\frac{3}{4}[/tex] and (a, b ) = (- 8, 2 ) , then

y - 2 = - [tex]\frac{3}{4}[/tex] (x - (- 8) ) , that is

y - 2 = - [tex]\frac{3}{4}[/tex] (x + 8)

The ratio of basketballs to soccer balls is 2 : 1

The quantity which would be written first if basketballs to soccer balls is 2 : 1 is basketball

This refers to a number representing a comparison between two or more named things.

If the ratio of basketballs to soccer balls = 2 : 1

This means,

Basketball : soccer ball = 2 : 1

Therefore, Basketball is the quantity which would be written first because it comes first in the given expression.

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The answer is 240 sticky hands. This is because each sticky hand costs 2 tickets, so if she has 480 tickets, she can buy 240 sticky hands.

What is cost?

Cost is the amount of money that is required to purchase, use, or produce something. It is an economic measure of the value of goods, services, or resources. Cost is typically associated with the purchase of goods and services and can include both the monetary and non-monetary costs associated with the acquisition. For example, when buying a car, the cost is the money spent on the purchase plus any additional costs such as taxes, registration fees, and insurance. Non-monetary costs can include the time and effort invested in researching and shopping for the car, as well as the opportunity cost of not using the money for something else.

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The alkali metals, which are located in Group 1A of the periodic table, are the most reactive metals.

The blue column on the left of the periodic table contains the alkali metals, which are the most reactive metals. As we move down column (group) one, which is depicted in blue, their responsiveness improves.

What are Alkali metals ?

Alkali metals are those that react with water to produce strong bases.

It is composed of six elements collectively referred to as the lithium family. These metals have one electron in their outermost shell, making them extremely reactive elements of the periodic table.

A few instances of alkali metal

lithium (Li), sodium (Na), rubidium (Rb), potassium (K), francium (Fr) and  Caesium  (Cs).

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The equation part of the given word problem is x+y=52 and y=x+16.

a) Let x = number of green eyed dolls

And let y = number of blue-eyed dolls

Now we are told the following:

x+y=52 → eq1

and

y=x+16 → eq2

b) substitute y = x+16 from eq2 into eq1:

x+x+16 = 52 subtract 16 from each side

x+x+16-16 = 52-16 collect like terms

2x = 36 divide each side by 2

x = 18 → number of green-eyed dolls

substitute x = 18 into equation2

y = 18+16 =34 → number of blue-eyed dolls

18+34=52

52=52

and

18+16=34

34=34

THIS PROBLEM CAN ALSO BE SOLVED USING ONE EQUATION AND ONE UNKNOWN:

Let x = Number of green-eyed dolls

Then 52-x = Number of blue-eyed dolls

Now we are told that:

x+16 = 52-x add x to and subtract 16 from each side

x+x+16-16 = 52-16-x+x collect like terms

2x=36 → same as before

x = 18.

Hence, the equation part of the given word problem is x+y=52 and

y=x+16.

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Answer:

(x-1)(2x+5)

Please help me by clicking brainliest.

Answer:

y-intercept: -1

Step-by-step explanation:

The equation is y = mx + b

In this case, the y-intercept is -1

-1 is an integer, so my answer is correct!

Answer:

Slope: 1/3, [tex]y[/tex]-intercept: -1

Step-by-step explanation:

The [tex]y[/tex]-intercept of the line with equation [tex]y=mx+b[/tex] is [tex]b[/tex]. The slope is [tex]m[/tex].

The Theoretical yield of solid precipitate is 1.42g/mol

Now, consider solid precipitate as cacl2

let us take the mass of cacl2 and calculate the moles of cacl2.

Mass of CaCl2 =2.0 g

By, default the molar mass of CaCl2 =110.98 g/mol

To calculate the Moles we have a formula:

Moles=Given mass*1 mol/Molar mass of a precipitate.-----(1)

substitute the values in equation (1)

Moles of CaCl2 =2.0 g * 1 mol/110.98g

                           = 0.018 mol

Take another solid precipitate:

Mass of K2Co3=2.0 g

The molar mass of K2Co3 =138.205 g/mol

Now calculating the moles of K2Co3

substitute the values in equation(1)

Moles of K2Co3 =2.0 g * 1 mol/ 138.205g

                             =0.0145 moles

According to balanced equation 1mole of CaCl2 reacts with 1 mole of K2CO

Thus, 0.018 moles of CaCl2 will react with 0.018 moles of K2CO3

And,0.0145 moles of K2CO3 will produce 0.0145 moles of CaCO3

Molar mass of CaCO3 =100.0869 g/mol

Theoretical yield of CaCO3 =moles of CaCO3 *molar mass of CaCO3

                                                =0.0145 moles * 100.0869 g/mol

                                                 =1.45g/mol

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Answer:

true i think

Step-by-step explanation:

There are 195 natural numbers from 1 to 600

The term integer is referred as the combination of zero, natural numbers and their additive inverse

Here we need to find how many of the natural numbers from 1 to 600, inclusive, contain the digit 5 at least once.

While we looking, into the given range of numbers 100 integers from 500 - 599 contain at least one 5

And here we know that in each of the 499 integers

=> _5, _15, _25, _35, _ 45, _55 , _65, _ 75, _ 85 , _ 95

And we also know that in each hundred  from 1 to 499 contain at least one 5

Therefore, there are 5 sets of these = 5 * 10  =  50

So, in each hundred from 1 to 499 we have the  integers

Therefore, _5_   where the last digit is not a 5

So, we have 9 of these in every hundred

Then here we have  5 * 9  = 45 of these

=> 100 + 50 + 45  = 195

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The variable y takes the value -7 when we have x = -3.

Here we have the linear equation:

y = x - 4

We want to find the value of x such that y = -7, to get that, we only need to replace the variable y by the number -7 in the linear equation above:

-7 = x - 4

Now we can solve the linear equation for x.

-7 = x - 4

-7 + 4 = x

-3 = x

That is the solution.

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Answer:

27,000 or D

Step-by-step explanation:

30 x 30 x 30 = the answer on edge <3 good luckkk

The shape will be rectangular.

In statistics, uniform distribution refers to a type of probability distribution in which all outcomes are equally likely. A deck of cards has within it uniform distributions because the likelihood of drawing a heart, a club, a diamond, or a spade is equally likely. A coin also has a uniform distribution because the probability of getting either heads or tails in a coin toss is the same.The uniform distribution can be visualized as a straight horizontal line, so for a coin flip returning a head or tail, both have a probability p = 0.50 and would be depicted by a line from the y-axis at 0.50.

From the definition of a uniform probability distribution, since it has a constant probability across a given interval, then it has a rectangular shape. Note also that another term for the uniform probability distribution is the rectangular distribution. Therefore, the correct answer is c.

Thus, option (c) will be the correct option.

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We have a 1/6 chance of rolling doubles on the first roll. The odds of rolling a double on the second turn but not the first are (5/6) x (1/6) = 5/36.

So we have a total of 36 outcomes over here. So we have 36 possibilities, and if we simplify this, 6/36 is 1/6. So the chance of rolling doubles on two six-sided dice numbered 1 to 6 is 1/6.

The odds of rolling a double on the second turn but not the first are (5/6) x (1/6) = 5/36.

We'll now look at the chances of getting out of jail by rolling doubles. Because there are more possibilities to examine, this probability is significantly more complex to compute.

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The measurement of side DF is 4cm.

Here in the figure attached below,

Given two triangles ΔABC and ΔDEF

Also given that,

ΔABC and ΔDEF are congruent to each other.

Given AC = 4cm

Since both triangles are congruent ,

Side AC is congruent to DF

Therefore DF = 4cm (based on SSS theorem).

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The measure of DF is 4cm.

What is congruent triangle?

When two triangles are congruent, their three sides and their three angles match precisely.

If there is a turn or a flip, the equal sides and angles might not be in the same place, but they are still present.

Here in the figure attached below,

There are two triangles ΔABC and ΔDEF and it is given that ΔABC and ΔDEF are congruent to each other.

From the figure, side AC = 4cm

The side DF = AC = 4cm, because the triangles  ΔABC and ΔDEF are congruent to each other and based on Side-Side-Side Theroem, we can confirm that.

Hence, DF = 4cm.

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Answer: (3, -3) and (18, -3) is 0

Step-by-step explanation:

The slope of a line is a measure of the line's steepness, and it is calculated by taking the difference in the y-coordinates of two points on the line, divided by the difference in their x-coordinates. In this case, the line passes through the points (3, -3) and (18, -3), and the y-coordinates of both points are -3. Therefore, the difference in the y-coordinates is 0, and the slope of the line is 0.

To write this answer in simplest form, we can simply express the slope as 0/1, which can be simplified to 0. Therefore, the slope of the line that passes through the points (3, -3) and (18, -3) is 0.

Answer:

0

Step-by-step explanation:

We can find the slope of the line given two points

m= ( y2-y1)/(x2-x1)

    = ( -3 - -3)/(18 -3)

    = (-3+3)/(15

   = 0/15

   = 0

The full expansion of the expression (2x - 1) (x + 5) is 2x² + 9x - 5

From the question, we have the following parameters that can be used in our computation:

(2x - 1) (x + 5)

Combine the factors of the expression using the product sign

So, we have

(2x - 1) (x + 5) = (2x - 1)*  (x + 5)

Evaluate the products

This gives

(2x - 1) (x + 5) = 2x² - x + 10x - 5

Evaluate the like terms in the expression

(2x - 1) (x + 5) = 2x² + 9x - 5

Hence, the expanded expression is 2x² + 9x - 5

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The graph crosses the x-axis at x = 0 and touches the x-axis at x = –5.

Option (C) is correct.

What is a function in mathematics?

In mathematics, a function is a relation between a set of inputs and a set of possible outputs with the property that each input is related to exactly one output. The set of inputs is called the domain of the function, and the set of possible outputs is called the range of the function.

First, factorize the function f(x):

[tex]f(x)=4x^7+40x^6+100x^5\\\\f(x)=4x^5(x^2+10x + 25)\\\\f(x)=4x^5(x+5)^2[/tex]

When f(x)=0, you get that

[tex]4x^5(x+5)^2 = 0\\\\x=0 $ or $ x = -5[/tex]

This means that the graph intersects the x-axis at points (0,0) and (-5,0). But:

1. since the degree at term [tex]x^5[/tex] is odd, point (0,0) is x-intercept;

2. since the degree at term [tex](x+5)^2[/tex] is even, point (-5,0) is the tangent point (see the attached graph of the function).

Hence, The graph crosses the x-axis at x = 0 and touches the x-axis at x = –5.

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We specify the one-way anova model in the model statement of proc glm is model response variable; (the grouping variable is only specified in the class statement.)

So option b. is the correct option of the given statement.

Information that needs to be accessed and changed by a computer program is stored in variables. In order to make our programs more understandable to ourselves and the reader, they also offer a mechanism to label data with a descriptive name.

Values can be stored in variables. In order to use a variable, we must first declare it so the program is aware of it and then assign it so the program is aware of the value we are storing in the variable.

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The minimal approximation error A-A 2achievable by a rank-1 approximation A to A is

||A - A1||₂=0 where A is 2×2 matrix.

We have given a matrix A as seen in above figure or A = [ 5 15 ; 6 18 ; -1 -3 ; -4 -12 ; 2 6]

note here that C₂= 3C₁

where Cᵢ --> iᵗʰ column

v = [ 5 ; 6 ; -1 ; -4 ; 2]

||v||² = 82 => ||v|| = √82

and A At v = 820 v

and A At = [ 82 246 ; 246 738]

AAt [1;3] = 820[1;3]

=> v1 = 1/√10(1,3)^t

Then the best rank of 1 approx

= √820 /√80√10 [ 5 ; 6 ; -1 ; -4 ; 2] [ 1 3]

= A

Since , the rank of matrix A is one so, the minimal approx. value is ||A - A1||2 = 0

Hence, the minimal Approx. ||A - A1||2 = 0 .

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Complete question:

Consider the matrix A: A = [5 15] 6 18 -1 -3 -4 -12 [26] What is the minimal approximation error A-A 2 achievable by a rank-1 approximation A to A? Hint: Can you determine this without explicitly calculating the SVD?

The derivative of 1/logx is With the chain rule.

1log(x)=log(x)−1 is ,= -1xlog(x)2 .

The by-product of logₐ x (log x with base a) is 1/(x ln a). Here, the thrilling issue is that we have "ln" withinside the by-product of "log x". Note that "ln" is referred to as the logarithm (or) it's miles a logarithm with base "e".

The by-product of 1/log x is -1/x(log x)^2. Note that 1/logx is the reciprocal of log.

[tex]With the chain rule. \\

1log(x)=log(x)−1 \\

So you follow the chain rule to the electricity after which to the log: \\

ddxlog(x)−1=−1⋅log(x) \\ \\−2⋅ddxlog(x)

\\ =−1log(x)21x

\\ =−1xlog(x)2 .[/tex]

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Answer:

I  added a picture, hope this helps!

Step-by-step explanation:

Let me know if you need to show work

Answer:

volume = 960π m³ ; surface area = 368π m²

Step-by-step explanation:

base area = 8²π = 64π m²

base perimeter = 8 x 2 x π = 16π m

lateral area = 16π x 15 = 240π m²

surface area = 2 x 64π + 240π = 128π + 240π = 368π m²

Volume = 64π x 15 = 960π m³

The number of people died from aids in U.S. in 2005 are 2,30,68,96,671

Given, diseases tend to spread according to the exponential growth model.

In the early days of aids, the growth factor (i.e. common ratio; growth multiplier) was around 1.9.

In 1983, about 1700 people in the U.S. died of aids.

we have to find the number of people died from aids in 2005.

Let the exponential function, be

P(x) = AB^x

where, A is the initial population of people died of aids in U.S.

B is the growth factor of aids in U.S.

as, B = 1.9

In 1983, x = 0

P(0) = AB^0

1700 = A

Now, P(x) = 1700(1.9)^x

and the number of years from 1983 to 2005 are, 22 years

The number of people died from aids in 2005 be,

P(22) = 1700(1.9)^22

P(22) = 2,30,68,96,671

So, 2,30,68,96,671 people died from aids in 2005.

Hence, 2,30,68,96,671 people died from aids in 2005.

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If the raisin swells to twice its original size, relative to the water, the raisin must have been a)hypertonic solution. So, correct option is a.

Hypertonic alludes to an answer with higher osmotic strain than another arrangement. At the end of the day, a hypertonic arrangement is one in which there is a more noteworthy fixation or number of solute particles outside a layer than there are inside it.

Hence, correct option is a.

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(Complete question) is:

You are bored at a lunch meeting and surreptitiously place a raisin in your glass of iced tea. The raisin shrinks to half its original size. The raisin must have been a __?__ solution.

a)hypertonic

b)aquatonic

c)hypotonic

d)isotonic

The upper bound of the length of the line is 12.34 cm

From the question, we have the following parameters that can be used in our computation:

Length of the line = 12.3 cm

From the question, we understand that

Time = rounded to the nearest one decimal place

The highest number that can be rounded to 12.3 to the nearest one decimal place is 12.34

This means that

Upper bound = 12.34

Hence, the upper bound is 12.34 cm

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The area of a triangle whose sides are 4.5 cm and 1 cm and perimeter 10.5 cm is 2.045 square cm

The area for the triangle whose perimeter and side is given is solved by the formula

A= √(s(s ﹣ a) (s ﹣ b) ( s ﹣ c))

where:

a, b, and c are the sides of the triangle

s = perimeter / 2

perimeter = a + b + c

10.5 = 4.5 + 1 + c

c = 10.5 - 5.5

c = 5

s = (a + b + c) /2

s = 10.5/2

s = 5.25

substituting for s a b and c

A= √(s(s ﹣ a) (s ﹣ b) ( s ﹣ c) )

A= √(5.25 (5.25 ﹣ 4.5) (5.25 ﹣ 1) (5.25 ﹣ 5) )

A = √4.18358

A = 2.045 square cm

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Answer:D

Step-by-step explanation: 610/488= 1.25 or 5/4

Hence,  when [tex]n=10[/tex] the given inequality is true.

What is the inequality?

An inequality is said to be sharp if it cannot be relaxed and still be valid in general.

Here given that,

Which integer will make the inequality [tex]2(n + 2) < 5(n -1)[/tex] true.

So,

[tex]2(n + 2) < 5(n-1)[/tex]

When

[tex]n=10\\\\\\2(10+2) < 5(10-1)\\\\2(12) < 5(9)\\\\24 < 45[/tex]

Hence,  when [tex]n=10[/tex] the given inequality is true.

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