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viktelen [127]
3 years ago
11

WILL MARK BRAINLIEST IF FOTTEN RIGHT!!!

Mathematics
1 answer:
Vilka [71]3 years ago
4 0

Answer:

A

Step-by-step explanation:

area = \pi r^{2}

circumference = 2\pi r

r^{2} = 4\\\sqrt{r^{2}} =\sqrt{4} \\r = 2

2\pi (2) = 4\pi yd

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Talk time <br> 3/4 hour : $1.75
umka2103 [35]

Answer:

$2.33 per hour

Step-by-step explanation:

1.75 ÷ ¾

2⅓

$2.33 per hour

7 0
3 years ago
Solve the equation and justify each step.<br> 8.2 - 9 = 7x + 6 - 2x
Snezhnost [94]

Answer:

x = 5

Step-by-step explanation:

8x-9=7x+6-2x

We move all terms to the left:

8x-9-(7x+6-2x)=0

We add all the numbers together, and all the variables

8x-(5x+6)-9=0

We get rid of parentheses

8x-5x-6-9=0

We add all the numbers together, and all the variables

3x-15=0

We move all terms containing x to the left, all other terms to the right

3x=15

x=15/3

x = 5

8 0
3 years ago
Define: probability sample a) every possible sample of a given size has the same chance to be selected. b) the explanatory varia
Svetllana [295]

Answer:

c) gives each member of the population a known chance to be selected

Step-by-step explanation:

A sample is said to be  a probability sample when each and every unit of the population would have the known chance or the probability i.e. more than zero when selected in the sample

So according to the given options, it is the sample where each member have the known chance to be selected

Therefore the option c is correct

4 0
3 years ago
I don’t understand any of this
AysviL [449]

Answer:

Step-by-step explanation:

From the given triangles in the picture attached,

∠A ≅ ∠X [Given]

∠B ≅ ∠Y [Given]

By AA property of similarity of the triangles, both the triangles will be similar.

ΔABC ~ ΔXZY

Similarity statement:

Corresponding sides of these similar triangles will be proportional.

\frac{XZ}{AB}= \frac{ZY}{BC}=\frac{XY}{AC}

Similarity ratio:

\frac{XY}{AC}=\frac{24}{16}

      = \frac{3}{2}

      = 3 : 2

5 0
3 years ago
How much is 12 + 6?<br> and how much 7+7+12?<br> Please help me
kolezko [41]
<h2>Answer:</h2>

12 + 6

Add Them:

12 + 6 = <u>18</u>

7 + 7 + 12

Add Them:

7 + 7 + 12 = <u>2</u><u>6</u>

6 0
3 years ago
Read 2 more answers
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