Use the distance formula to find the distance between (−8, 2.5) and (0, −4.5).d = StartRoot (x 2 minus x 1) squared + (y 2 minus y 1) squared EndRoot
1. Substitute coordinates: d = StartRoot (negative 8 minus 0) squared + (2.5 minus (negative 4.5)) squared EndRoot
2. Simplify parentheses: d = StartRoot (negative 8) squared + (7) squared EndRoot
3. Evaluate powers: d = StartRoot 64 + 49 EndRoot
4. Simplify.
What is the distance between (–8, 2.5) and (0, –4.5)? Round to the nearest hundredth.

d ≈

Answers

Answer 1

Answer:

The distance between points (- 8, 2.5) and (0, - 4.5) is,

⇒ d = 10.67

What is Coordinates?

A pair of numbers which describe the exact position of a point on a cartesian plane by using the horizontal and vertical lines is called the coordinates.

Given that;

Two points are,

⇒ (- 8, 2.5) and (0, - 4.5)

Hence, The distance between (- 8, 2.5) and (0, - 4.5) is,

d = √ (- 8 - 0)² + (2.5 + 4.5)²

d = √ 64 + 7²

d = √64 + 49

d = √114

d = 10.67

Thus, The distance between points (- 8, 2.5) and (0, - 4.5) is,

⇒ d = 10.67

Learn more about the coordinate visit:

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Answer 2

Answer:

Answer: B.10.63

Step-by-step explanation:

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Someone help me simplify this 3t+12-9=

Answers

it's simple

3t+3

just this

You would subtract 9 from 12 which would give you 3 which would lead you to 3t+3

If the sampled population is finite and at least _____ times larger than the sample size, we treat the population as infinite.

Answers

Answer:

The answer is "20".

Step-by-step explanation:

It is also known as the group of the study, that targets the population, which helps to find the survey, which is the sampled population. It is measured by an ideal world, which will be the same, and they're always unique.

Its sampling distribution of the "x bar" should also be naturally independent of the random sample, that is usually distributed.
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Can somebody help me !

Answers

Answer:

$\angle 1$

Step-by-step explanation:

$\angle 1$ is not congruent to $\angle 6$

WRITE Math Write two ways you could use to find 5 + 8.

Answers

Answer:

8+5 and 8--5

Step-by-step explanation:

minus and minus is plus and 5+8 =8+5

Create an equation to solve for x then solve for x.

Answers

Answer:

Step-by-step explanation:

In parallelogram adjacent angles are supplementary

∠U +∠V = 180

9x + 15 + 6x + 15 = 180

Combine like terms

9x + 6x + 15 + 15 = 180

15x + 30 = 180

Subtract 30 from both sides

15x = 180 - 30

15x = 150

Divide both sides by 15

x = 150/15

x = 10

∠U = 9x + 15

= 9*10 + 15

= 90 + 15

∠U = 105

∠V = 6x + 15

= 6*10 + 15

= 60 + 15

∠V = 75

Answer:

Equation: $2(9x + 15 + 6x + 15) = 360$

x = 10°

∠U = 105°

∠V = 75°

Step-by-step explanation:

Hello!

The sum of angles in a parallelogram is 360°. The oppositeangles of a parallelogram are congruent.

Part A

Equation: $2(9x + 15 + 6x + 15) = 360$

Solve

$2(9x + 15 + 6x + 15) = 360$
$9x + 15 + 6x + 15 = 180$
$15x + 30 = 180$
$15x = 150$
$x = 10$

The value of x is 10°.

Part B

To find the measures of each angle, simply plug in 10° for x in each equation.

∠U

$9x + 15$
$9(10) + 15$
$90 + 15$
$105$

Angle U is 105°.

∠V

$6x + 15$
$6(10) + 15$
$60+15$
$75$

Angle V is 75°.

What is a linear function?

Answers

linear functions are all the mathematical formulas which describe a stright line in the X & Y Axis.

a linear function f(x)=ax +b is a graph where its line changes at a fixed rate (the value of A per X) regardless of the variable X. B is the coeffisient and tells you were the line crosses the second axis.

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