I need this answered please

The correct answer is A. 13.

We have been given equation. Now, to find the value of x, we will take square root. So, solving the mathematical expression now -

x = √169

Taking square root to find the value of x

x = 13

Since the number is positive. the square root of the number will also be positive.

Hence, the solution to equation is A. 13.

Further to cross check, we can also square the resultant number.

On squaring the number 13 for validation of our result, we get 169. It is the same number as in mathematical expression provided to us. Thus, our resultant solution to equation is correct.   

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The complete question is -

What are the solutions to the equation x² = 169? Choose all answers that are correct. A. 13 B. –13 C. 84.5 D. –84.5

If you had $150, but you are spending $2 each day, then the algebraic expression model of this situation is 150-2x

Given,

The total amount you had = $150

The amount you spend in each day = $2

Consider the number of days = x

Then the algebraic expression for this situation is 150-2x

Hence, If you had $150, but you are spending $2 each day, then the algebraic expression model of this situation is 150-2x

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Answer:

d = 13

Step-by-step explanation:

19d - 16d - d - d - 1 = 12

19d + (-16 - 1d - 1d) - 1 = 12

19d + (--18d) - 1 = 12

19d - 18d - 1 = 12

1d = 12 + 1

d = 13

Check:

19*13 - 16*13 - 13 - 13 - 1 = 12

247 - 208 - 26 - 1 = 12

39 - 27 = 12

Answer:

ue7e7373777 is is and 88877376363778

The knowledge of  how many more minutes m you can use during the rest of the month is given by the linear inequality 648 + m ≤700, where 'm' is the minutes on the cell phone or simply m ≤ 52

It is given that the  monthly minutes on your cell phone can add up to no more than 700 minutes so the highest limit is 700

And You have already used 648 minutes so this is our base for the formation of linear inequality

We are provided to use 'm' for rest of  the minutes on the cell phone

Hence, we can form a linear inequality using the three points as the sum of already used minutes and the maximum minutes that can be used in this month is at most  700 minutes is given by 648 + m ≤700

This can also be simplified as

m ≤ 700 - 648

m≤52

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How is the Additive Identity Property similar to the Multiplicative Identity Property?

How is it different?

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The two decimal numbers that are greater than 5.06 and less than 5.13 are 5.09 and 5.1.

It should be noted that decimals simply means.the numbers that aren't whole numbers.

It should be noted that this is a straight forward question.

Here, the two decimal numbers that are greater than 5.06 and less than 5.13 are 5.09 and 5.1.

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The value of A in the 4-digit number is 5.

Given the information provided in the question, the 4-digit number is a multiple of 15. A multiple of a number is the product of an integer and that number.

The multiple of a number is divisible by that number. For example, a multiple of 2 is 20. This is because 2 multiplied by 10 is equal to 20 and 20 is divisible by 2 to yield a value of 10.

The multiplies of 15 either have a unit value of 5 or 0.

If A is 5, the number becomes 3555.

3555 / 15 = 237

If A is 0, the number becomes 3050

3050 / 15 = 203.333

Thus, the value of A is 5 because 3555 is divisible by 15.

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Answer:

value of k is 3 to make it perfectly

Answer: x=1

Step-by-step explanation:

x-5=2x-6

x-5+6=2x-6+6

x+1=2x

x-x+1=2x-x

2x-x=1

x=1

Answer: x = 1

Step-by-step explanation:

fewer or less than means minus -

difference of x and 5 = x - 5

6 fewer = - 6

twice the number of x = 2x

x - 5 = 2x - 6

x = 2x - 6 + 5

x -2x = - 6 + 5

- x = - 1

x = 1

checking

1 - 5 = 2(1) - 6

4 = 2 - 6

4 = 4

The right-angle triangle on the coordinate plane will be drawn. Then the third length of the right triangle will be 2√(a² - b²) units.

It's a form of a triangle with one 90-degree angle that follows Pythagoras' theorem and can be solved using the trigonometry function.

The right triangle ΔABC with legs AC and AB so that AC is 2a units long and leg AB is 2b units long.

We know that the angle ABC is a right angle which means 90°.

Then the third length of the right triangle will be

H² = P² + B²

(2a)² = (2b)² + B²

B² = 4a² - 4b²

B² = 4(a - b²)

B = 2√(a² - b²)

The right-angle triangle on the coordinate plane will be drawn.

The diagram is attached below.

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The coordinates of the centroid of Δ ABC is y = -1/3x + 2.

The slope of the line is the rise-to-run ratio or the rise divided by the run. It expresses the slope of a line in the coordinate plane. Finding the slope of a line is similar to determining the slope between two points.

The midpoint D of AC is (-3+4/2, 3-3/2) or (1/2, 0).

Note that DB is a line that connects the vertex B and D, the midpoint of AC.

The slope of the line DB is ((5-0)/(2-1/2)) or 10/3.

The equation of DB is

y - 5 = 10/3 (x - 2)

simplifying the above equation, we get

y - 5 = 10x/3 - 20/3

y - 5 + 5 = 10x/3 - 20/3 + 5

y = 10x/3 - 5/3

Use the same method to find the equation of the line between point A and the midpoint of BC.

Therefore, the coordinates of the centroid of Δ ABC is y = -1/3x + 2.

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Answer:

perimeter: 14.5

Step-by-step explanation:

ANSWER:

19.54

Step-by-step explanation:

23.7-8.3

=15.4

15.4+4.14

=18.54

Using it's concept, there is a 0.726 = 72.6% probability that all 4 cards have distinct characters (letters or numbers).

A probability is given by the number of desired outcomes divided by the number of total outcomes.

A standard deck is given by 4 suits of 13 cards, each with either a number from 1 to 10 or one letter from A, Q or K, hence:

Hence the probability is given by:

p = 48/51 x 45/50 x 42/49 = 0.726.

0.726 = 72.6% probability that all 4 cards have distinct characters (letters or numbers).

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Answer:

Pon tu tarea aquí para que podamos ayudarte con ella :)

Answer:

k <−33

Step-by-step explanation:

The equation of the line in point-slope form, which passes through the pair of points located at (-4 , 10) and (-6 , 15), is y - 10 = -5/2(x + 4).

The equation of a line can be expressed in three different forms: standard form, slope-intercept form, and point-slope form.

The standard form of an equation of a line is expressed as ax + by = c, where a and b, if all possible must be integers, are the coefficients of variable x and y, respectively, and c is a constant. Meanwhile, slope-intercept form is given by the formula y = mx + b, where m is the slope of the line and b is the y- intercept. On the other hand, given the slope m and a point on the line (x , y), we can express the equation in point-slope form, (y - y1) = m(x - x1).

Getting the slope of the two points: (-4 , 10) and (-6 , 15).

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

m = (15 - 10)/(-6 - -4)

m = 5/-2

m = -5/2

Using the point slope form, plug in the values of the slope and one point to set up the equation.

(y - y1) = m(x - x1)

where m = -5/2 and (x1 , y1) = (-4 , 10)

(y - 10) = -5/2(x - -4)

y - 10 = -5/2(x + 4)

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Answer:

Step-by-step explanation:

990 x 70% = 693 people

Answer:

b=v

Step-by-step explanation:

Answer:

I got b=v so it would be 0

Step-by-step explanation:

I'm sorry if I'm wrong

You can add the distance she travelled upwards to her new distance to get her old distance.

Essentially, 21.6 + 61.9 = 83.5.

This means she was 83.5 feet below sea level, before ascending 61.9 feet to 21.6 feet below sea level.

Answer: she was 83.5 feet below sea level, before ascending 61.9 feet to 21.6 feet below sea level.

Step-by-step explanation:

When Olga turns 18, she will have $3032.89 in her account, which earned a monthly compound interest rate of 1.75%.

Compound interest refers to the amount of interest added on the principal amount plus interest. The formula of monthly compound interest is:

B = P(1 + r)^t

where B is the ending balance, P is the principal amount or original balance, r is the monthly interest rate in decimal form, and t is the number of months.

If Olga's uncle invested $2,000 in an account that was locked into a 1.75% interest rate, compounded monthly, using the formula, solve for the ending balance after 2 years.

B = P(1 + r)^t

B = 2000(1+ 0.0175)^24

B = $3032.89

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The ordering of the number is 6.286  , 6.628 , 6.826

According to the question we have been given three numbers which are

     6.826 , 6.628 and 6.286

We need to arrange in ascending order that is from least number to the greatest number.

when we arrange number in ascending order for decimal number we first look at the number before the decimal point then if they are all same then we look at the number after the decimal point. After the decimal point the first number is compared which is closest to the decimal point.

If we look into this question the number before decimal points are all same thus we will look the numbers after the decimal point. Therefore we will arrange according to the first  number after the decimal that is 8 , 6 and 2

Hence the ordering the number we get:

      6.286  , 6.628 , 6.826

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The value of b is b=p-a.

Given the equation is p=a+b.

A pair of inverse operations is defined as two operations to be performed on a number or. variable,  always returns the original number or variable And inverse means opposite.

equation means a mathematical statement with the symbol "equal" between two expressions of equal value. This is represented by '='.

The given equation is p=a+b.

Now, we will apply the inverse operations on both sides.

Subtract a from both sides, we get

p-a=a+b-a

Now, we will simplify the above equation, we get

p-a=b

Hence, the value of b from the given equation p=a+b is b=p-a.

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The recursive formula for the given sequence is a(n) = 2 a(n-1) - a(n-2) + 1

A recursive formula is an equation that express the nth term as a function of preceding term(s), i.e. as function of (n-1)th term, (n-2)th terms, and so on. Mathematically it can be written as:

a(n) = f(a(n-1), a(n-2), ..., a(1))

The given sequence: 1,3,6,10, . . .

Here a(1) = 1. Notice that:

a(2) = 3 = 1 + 2

a(3) = 6 = 3 + 3

a(4) = 10 = 6 + 4

Notice that the differences between terms increase by 1.

Further, we can write:

a(2) = 3 = 1 + (1 - 0) + 1

             = a(1) + a(1) + 1

             = 2a(1) + 1  

a(3) = 6 = 3 + (3 -1) + 1

             = a(2) + a(2) - a(1) + 1

             = 2a(2) - a(1) + 1

a(4) = 10 = 6 + (6 - 3) + 1

               = a(3) + a(3) - a(2) + 1

               = 2 a(3) - a(2) + 1

We can continue this recursive pattern to find a(n),

a(n) = 2 a(n-1) - a(n-2) + 1

We can find next term for n = 5:

a(5) = 2a(4) - a(3) + 1

       = 2. 10 - 6 + 1 = 15

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Answer:

48

Step-by-step explanation:

Answer:

860.9 m³

Step-by-step explanation:

We can obtain the volume of the composite figure by subtracting the volume of cylinder from the volume of cuboid.

     l = 10 m

     w = 10 m

    h = 12 m

[tex]\sf \boxed{\text{ \bf Volume of cuboid = l *w * h}}[/tex]

                                    = 10 * 10 * 12

                                    = 1200 m³

      r = 3 m

      h = height of the cuboid = 12 m

    [tex]\sf \boxed{\text{\bf Volume of cylinder = $\pi r^2h$}}[/tex]

                                         = 3.14 * 3 * 3 * 12

                                         = 339.1 m³

Volume of composite figure = 1200 - 339.1

                                                = 860.9 m³