HELP QUICK PLEASE!!!

Answer:10

Step-by-step explanation:Step-by-step explanation:

James's age = x

Jack's age = y

y = 7x

y + 5 = 5(x + 5)

y = 7x

y + 5 = 5x + 25

7x - y = 0

5x - y = -20

7x - y = 0

-5x + y = 20

2x = 20

x = 10

James's age: x = 10

Answer:

20.44 km

Step-by-step explanation:

The values are,

→ 730 m = 0.730 km

→ 4 weeks = 28 days

Now Barry swam in 28 days is,

→ 0.730 × 28

→ 20.44 km

Hence, answer is 20.44 km.

Answer:

10.2

Step-by-step explain:

Subtract 15 from 100, you should get 85. Then move the decimal 2 times to the left from 85, then 12 and .85 and that is you answer.

Answer:

10.20

Step-by-step explanation:

12-15%= $10.20

And that's it just subtract with the % sign and you'll get the same

The probability of selecting a patient who has and PPO plan or is between the ages of 30 and 55 is 0.62

Given,

probability of selecting a patient who has an PPO plan=P(A)=0.46

probability of selecting a patient who is between the ages of 30 and 55=P(B)=0.43

probability of selecting a patient who has an PPO plan and is between the ages of 30 and 55 =P(A∩B)=0.27

then, to find the probability of selecting a patient who has and PPO plan or is between the ages of 30 and 55 i.e. P(A∪B) use formula,

P(AUB)=P(A)+P(B)-(A∩B)

P(AUB)=0.46+0.43-0.27

P(AUB)=0.62

Thus,the probability of selecting a patient who has and PPO plan or is between the ages of 30 and 55 is 0.62

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The conditional statement has a true truth value if neither the hypothesis nor the conclusion is true.

A conditional statement is phrased as follows if we have the two propositions P and Q:

Q if P is true.

where P denotes the premise and Q denotes the result

The following are conditional statements' truth values:

The conditional statement is true if P and Q are true.

The conditional statement is false if P is false and Q is true.

The Conditional statement is false if P is true and Q is false.

The conditional statement is true if P and Q are both false.

Therefore, the conditional statement's truth value is true if both the hypothesis and the conclusion are false.

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When Z=6 and Y=64 the given proportionality value of x = 1/2.

What is proportionality?

  The concept of proportionality in mathematics denotes the linear relationship between two quantities or variables. The size of one item increases by twofold, whereas the size of the other quantity decreases by one-tenth of the earlier amount. Two integers that each represent a component of a whole are compared to determine their proportion. In essence, a percentage declares that two fractions are the same even if the amounts are different. For instance, half of 10 marbles is equal to half of 50 marbles in terms of proportion.

Here Z varies jointly as the square root of the product of X and Y.

Then,

=> Z∝[tex]\sqrt{XY}[/tex]

=>Z=k[tex]\sqrt{XY}[/tex]

Where k is constant . Now put X=3 , Y = 12, Z=3.

=> 3=k*[tex]\sqrt{12*3}[/tex]

=> k = 6/3 = 2 .

Then the equation is ,

=> Z==3[tex]\sqrt{XY}[/tex]

Now put Z=6 and Y=64

=> 6 = 3[tex]\sqrt{x*64}[/tex]

=> 2/8 =[tex]\sqrt{x}[/tex]

=>[tex]\sqrt{x}[/tex] = 1/4

=> x = 1/2.

Hence the value of x is 1/2.

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3.7% greater was Babe Ruth's batting average than Hank Aaron's.

Given that, Babe Ruth, a professional baseball player known for hitting home runs, had a batting average of 0.342.

In maths, the average value in a set of numbers is the middle value, calculated by dividing the total of all the values by the number of values. When we need to find the average of a set of data, we add up all the values and then divide this total by the number of values.

According to the question, 0.342-0.305

= 0.037

Now, 0.037 × 100

= 3.7%

Hence, 3.7% greater was Babe Ruth's batting average than Hank Aaron's.

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"Your question is incomplete, probably the complete question/missing part is:"

Babe Ruth, a professional baseball player known for hitting home runs, had a batting average of 0.342. Hank Aaron, another record home run hitter, had a batting average of 0.305. How much greater was Babe Ruth's batting average than Hank Aaron's?

The area of the triangle is x + 1 cm², while the area of the rectangle is x cm². Therefore, there is no value of x that makes the areas of both figure equal, because there is no solution to the equation.

A triangle's area = 1/2(base)(height)

A rectangle's area = length × width.

Area of the green triangle = 1/2(x + 1)(2)

Area of the green triangle = x + 1 cm²

Area of the rectangle = x × 1

Area of the rectangle = x cm²

Setting both areas equal, we have:

x + 1 = x

x - x = -1

0 = -1 [not true]

There's no solution or the values of x.

Therefore, we can conclude that there are no values of x for which the areas of both shapes are equal, because there is no solution to the equation.

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The mean of the frequency distribution is 591.446.

Let the values be 'x' and frequency be 'f'

To find the mean of the frequency distribution use formula,

[tex]Mean=\frac{Sum of values}{Total number of values}[/tex]

where, sum of the values = ∑fx

Total number of values=∑f

From table,

First find fx,

[tex]f1x1=624*12=7488\\\\f2x2=541*8=4328\\\\f3x3=606*10=6060\\\\f4x4=577*15=8655\\\\f5x5=586*5=2930\\\\f6x6=610*6=3660[/tex]

Now,

∑fx=[tex]7488+4328+6060+8655+2930+3660=33121[/tex]

Now , the total number of values,

∑f=[tex]12+8+10+15+5+6=56[/tex]

Now,

[tex]Mean=\frac{33121}{56} =591.446[/tex]

Thus, the mean of the frequency distribution is 591.446.

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The number of miles which Fred has hiked according to the task content is; 918 miles.

It follows from the task content that the given trail in discuss is 2448 miles long and the actual number of miles hiked by Fred is to be determined.

Given; Trail distance = 2448 miles.

However, Fred has hiked three eights of the trail before;

It therefore follows from proportion that;

If; 1 trail = 2448 miles;

Then; 3 / 8 trail = 3 / 8 × 2448 miles.

= 918 miles.

On this note, the number of miles hiked by Fred is; 918 miles.

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Answer:

Step-by-step explanation:

is enough to think it will work with the new system but not the new one that is already working on the old one

Answer:

x = 7

Step-by-step explanation:

[tex]\frac{3}{x}=\frac{x-4}{7}[/tex]

==> cross multiply

[tex]3*7=x*(x-4)[/tex]

==> simplify

21 = x² - 4x

==> subtract 21 from both sides

0 = x² - 4x - 21

==> factorize by finding two numbers that multiply to -21 and add up to equal -4

0 = (x - 7)(x + 4)

==> set each factor to 0 and solve for x

0 = (x - 7)             0 = (x + 4)

 7 = x                      -4 = x

We can now plug in the values of x into the proportion to see which are true.

           [tex]\frac{3}{x}=\frac{x-4}{7}[/tex]                                                [tex]\frac{3}{x}=\frac{x-4}{7}[/tex]

            x = 7                                                      x = - 4

          [tex]\frac{3}{7}=\frac{7-4}{7}[/tex]                                                [tex]\frac{3}{-4}=\frac{-4-4}{7}[/tex]

==> subtract 4 from 7                              ==> subtract -4 from -4

            [tex]\frac{3}{7}=\frac{3}{7}[/tex]                                                      [tex]-\frac{3}{4}=-\frac{8}{7}[/tex]

The only true answer is x = 7

The rectangle has its width to be 8 cm

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

The length of a rectangle is four more than twice its width

The perimeter of the rectangle is 56 cm.

The above parameters imply that

L = 2W + 4

P = 2(L + W)

Where L represents the Length and W represents the width

The perimeter is given as 56

So, we have

2(L + W) = 56

So, we have

L + W = 28

Substitute L = 2W + 4 in L + W = 28

2W + 4 + W = 28

Evaluate

3W = 24

Divide by 3

W = 8

This means that the width of the rectangle is 8 cm a

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f(x) represents the distance, in miles, remaining on a trip z hours into the trip. The value of f(3) is 95 miles and it  represents the total distance remaining after 3 hours.

A function is a relationship between a number of inputs where each input has exactly one output, according to one definition. f is typically used to represent a function (x). A relation between a collection of inputs and outputs is known as a function. A function is, to put it simply, a relationship between inputs in which each input is connected to precisely one output. Each function has a range, codomain, and domain.

Given,

Function:

f(x) = 260 -55x

When f(3)

f(3) = 250 - 55(3)

f(3) = 250 - 165

f(x) = 95

95 miles; f(3) represents the total distance remaining after 3 hours.

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Answer:

mAngle5 = 52° by

Alternate Interior angles

Step-by-step explanation:

When you have a pair of parallel lines and a transversal (the line that crosses them both)

this set up makes 8 angles....ALL the angles are either the same measure or they add up to 180°. Literally, if you know the measure of ONE angle, you can find the measure of all 8 angles. Its only two different numbers for all 8.

So, for your problem the two angles are in between the parallel lines (interior) and on different sides of the tranversal (alternate). By the Alternate Interior Angle Theorem they are congruent. One of them is 52° so the other one is also 52°

The area of square EFGH is 68 square centimeters

The area of a geometric shape or figure is the area enclosed in its boundary.

Please find attached a possible drawing of the information in the question

The area of square ABCD = 100 square centimeters

Length of segment AE = 2 cm

Therefore;'

The side length of the square ABCD, s = √(100) = 10

The length of segment AB = 10 cm

AB = AE + EB (segment addition postulate)

10 = 2 + EB (substitution property of equality)

EB = 10 - 2 = 8

EB = 8 cm

∠CFG ≅ ∠AHE (alternate interior angles)

ΔCFG ≅ ΔAHE (ASA congruency postulate)

Similarly; ΔEBF ≅ ΔHAE (ASA congruency postulate)

BF = AE (CPCTC) = 2

[tex]\overline{EF}=\sqrt{\overline{EB}^2 +\overline{BF}^2}[/tex](Pythagorean theorem)

Therefore;

EF = √(8² + 2²) = √(68)

EF = √(68)

Area of a square = (Length of one side)²

Therefore, area of square EFGH = [tex]\overline{EF}^2[/tex]

Which gives; Area of square EFGH = (√(68))² = 68

The area of square EFGH is 68 square meters

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Answer: w = 20 and the other side would be 16

Step-by-step explanation: based on the shortest side, it looks like all of the sides would be multiplied by 4 getting the answer above. The degree of all of the angels should be the same as the smaller triangle as it’s just a sized up version.

Sorry if it’s wrong, I’ve never used this program before. Good luck!

Answer:

3: alternate exterior angles 4: supplementary angles

Step-by-step explanation:

3: they are outside, on dif sides.

4: same side, and make 180 degrees

The correct matches for the given values of x and y can be found by substituting the values in the equations which are 12-x = 3, x+3y= 27, 4y-10=14, xy=54

What is an equation?

Equation is an expression which have equality symbol in between

It means an expression in variable is equal to the constant.

We are given that x= 9 and y=6

We are asked to match the possible value

i) 12 -x

To solve this we substitute x= 9 in the equation

12-9

=3

ii) x+3y

To solve this we substitute x = 9 and y=6

9+3(6)

=9+18

=27

iii) 4y-10

To solve this we substitute  y=6

=4(6)-10

=24-10

=14

iv) xy

To solve this we substitute x = 9 and y=6

= 9(6

=54

Hence the correct matches are 12-x = 3, x+3y= 27, 4y-10=14, xy=54

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The radius of the circle is 5.91mm

What is the area of the circle?

The area of the circle is the product of mathematical constant pi and square of the radius. radius is the distance of a point on the circle from the center of the circle.

The area of the circle is 110 mm^2

We have to find the radius to do that we first substitute the value of area in the area of circle formula and then compute the value of the radius

We know that,

The area of the circle

= π·r^2

110=22/7*r^2

35 = r^2

r= 5.91mm

Hence The radius of the circle is 5.91 mm

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Answer:

2 lengths and 3 widths

444 = 2*L + 3*w --> L = (444 - 3w)/2 = 222 - (3/2)w

Area = length x width

Area (w) == (222 - (3/2)w ) w

The max occurs at the average of the zeros.

The zeros are 222 - (3/2)w = 0 or w=0

222 = (3/2)w or w=0

w = 444/3=148 or w=0

The average is (444/3 +0)/2 = 222/3=74

width is 74 and length is 222 - (3/2)(74) = 222 - 111 = 111

The max area is 74 * 111 = 8214

The linear function y = -12x + 360, representing Amir's height at a time of x minutes, is graphed at the end of the answer.

The slope-intercept representation of a linear function is given by the rule shown as follows:

y = mx + b

The coefficients of the function and their meaning are described as follows:

From the test, his rate is of -12 m/s, hence the slope of the function is given as follows:

m = -12.

When x = 30, y = 0, hence the intercept b of the linear function can be obtained as follows:

0 = -12(30) + b

b = 30 x 12

b = 360.

Thus the equation is:

y = -12x + 360.

The domain in which the function is graphed is:

x ≥ 0.

As time cannot assume negative values.

The problem asks for the graph of the linear function, considering that:

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Answer:

7)

so

100-16=84

then

84÷7=12

each book costs 12 dollars

a) The markdown is $40.25 with the 35%-off coupon.

b) The sales price after the markdown is $74.75.

c) The Sales price using the percent paid method is $74.75.

The markdown is the difference between the regular retail price and the amount paid for the item.

The markdown is a reduction in the cost or price of an item.

The markdown is the opposite of the markup, which increases the cost.

Coupon off = 35%

Regular price = $115.00

a) Markdown = $40.25 ($115 x 35%)

b) Sale price = $74.75 ($115.00 - $40.25)

c) The Sales price using the percent paid method = $74.75 ($115 x 1 - 35%)

Thus, Emilio Ramirez with a 35%-off coupon (markdown) paid $74.75 for a 3-light chandelier regularly priced at $115.00.

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Answer: 13 coins

Step-by-step explanation:

100% --> 260

1% --> 2.6

5% --> 13

Answer:

10 coins

Step-by-step explanation:

Jaxson has a collection of 200 coins. How many coins represent 5% of his collection?

5% = 0.05

200 * 0.05 = 10 coins

Answer:

82

Step-by-step explanation:

1.) Recognize that this is the Pythagorean Triple 9, 40, 41, just multiplied by two (9*2 = 18, 40*2 = 80).

2.) Now, to find the third number, we just multiply 41 by 2 to get 82.

Answer:

The hypotenuse is equal to 82 centimeters.

Step-by-step explanation:

Using the Pythagorean theorem (a^2 + b^2 = c^2), which states that the legs of a right triangle (a and b) squared, equal the hypotenuse squared, we can plug in the values of the legs of the right triangle into spots a and b.  This gets us the equation 80^2 + 18^2 = c^2. We can then square the values to get 6400 + 324 = c^2. We then get 6724 = c^2, and then take the square root of both sides to get the value of c, the hypotenuse. This gets us c = 82, so the hypotenuse is equal to 82 centimeters.

The value of ''a'' will be 1

What is Matrix?

A set of numbers arranged in rows and columns so as to form a rectangular array, is called Matrix.

Given that;

1,2 and 3 are the eigen values of matrix A.

Now,

We know that;

The product of eigen values of a matrix is equal to the determinant of that matrix.

So, We find the determinant of matrix as;

[tex]A = \left[\begin{array}{ccc}2&0&1\\0&2&0\\a&0&2\end{array}\right][/tex]

Hence, We get;

| A | = 2 (4 - 0) - 0 (0 - 0) + 1 (0 - 2a)

| A | = 8 - 2a

And, The product of eigen values = 1 x 2 x 3 = 6

Hence, We get;

| A | = 8 - 2a

6 = 8 - 2a

2a = 8 - 6

2a = 2

a = 1

Thus, The value of ''a'' will be 1

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By using the graph, the employee's hourly wages is calculated as $10.6

Graph:

Basically, a graph is a collection of points, called vertices, and lines between those points, called edges.

Given,

Here we have the graph with straight line.

And we need to determine the employee's hourly wage.

While we looking into the graph we have identified that the x axis refers the number of hours the employ is working and the y axis refers the money earned by them.

In order to find the wages for one hour, we need to select one point from the graph.

Here we have take the point  (5,53)

The first point refers the number of hours that is 5.

And the second one refers the wages for 5 hours that is 53.

So, the one hour wages is calculated as,

=> 53/5

=> 10.6

Therefore, the employee's hourly wage is $10.6.

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Answer: 12

Step-by-step explanation: 25% is always 25/100 or 1/4. To get this you have to multiply 48 by 1/4 with is 48/4 = 12$.

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