Show a way to count from 170 to 410 using tens and hundreds. circle at least 1 benchmark number

Answers

Answer 1

Answer: Okay, so we start at 170

170

then we add 30 to reach the number 200

170+30=200

then we add 200 to reach the number 400

200+200=400

then we add 10 to reach 410

400+10=410

The benchmark numbers are bolded...

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Solve for x. 12:15 = x:5
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Based on the information below, what are the values of x and y of the solution to the system of equations used to create the information? [A]=[4 -6 8 -2][Ax]=[38 -6 26 -2][Ay]=[4 38 8 26]x = -5, y = 2
x = -0.2, y = 0.5
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x = 2, y = -5

Answers

The correct option is D. x = 2, y = -5. The values of x and y of the solution to the system of equations are 2, -5.

When solving a set of equations in mathematics, a matrix is a collection of integers or expressions.

The matrix A is

[A]=[4 -6 8 -2]

The matrix Ax is

[Ax]=[38 -6 26 -2]

The matrix Ay is

[Ay]=[4 38 8 26]

All of the matrices' determinant is

|A| = 40

|Ax| = 80

|Ay| = -200

The value of x is (|Ax|) /(|A|) = 80/(40) = 2

The value of y is ( |Ay|)/(|A|) = -200/(40) = -5

Therefore, the value of x and y is 2, -5. The correct option is D

Learn more about system of equations here

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Round this number to the nearest hundred.
728

Answers

700 is the answer......

What is the average of 37, 22, 52, 17, 16, and 25

Answers

28.1666666666666.....

Before embarking on a flight, the pilot of a private airplane plans the best route to the finaldestination. Suppose the pilot determines one route covers a distance of $\sqrt{500$ miles and another covers a distance of [tex] \sqrt{605} miles

a. a. Write an expression to represent the difference between the two distances of
each route. Then simplify the expression, keeping your answer in radical form.
Show all steps needed to write your answer in simplest form.

b.b. Use a calculator to change the answer to decimal form. Round the answer to the
nearest tenth. Using this decimal number, write a sentence to explain the
meaning of the answer in this situation.

Answers

Differ of these distances:

$√(605) - √(500)$

Simplify this distance:

$√(605) - √(500) = √(121 \cdot 5) - √(100 \cdot 5)= √(121) \cdot √(5)-√(100) \cdot √(5)= \n \n = 11√(5)-10√(5)=√(5)$

To a decimal form: $√(5) \approx 2.2$

Meaning of the answer? The answers 2.2 or $√(5)$ is just very clear to us

What are the greatest Common factor of 28 and 32