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Amanda [17]
3 years ago
14

PLEASE HELP ALGEBRA QUESTION ​

Mathematics
1 answer:
cricket20 [7]3 years ago
6 0

Answer:

6.75

Step-by-step explanation:

The average rate of change of function f(x) on the interval [-4, -2] would be:

                f(-2) - f(-4)          18 - 4.5

a. r. c. = -------------------- = --------------- = 13.5/2, or 6.75.

                   -2 - (-4)                 2

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Karla and Jeremy have a circular pool with a radius of 6 feet. What is the circumference of the pool? Group of answer choices
Oxana [17]

Answer:

use the division to see the the size of he pool it is 6.3

Step-by-step explanation:

7 0
3 years ago
In Erin's career on the basketball team, she made 7 out of every 10 free throws Last season, she
Crazy boy [7]

Answer: 42

For this situation we will use a ratio to show how many free throws Erin will make. Using the ratio 7:10 represents that Erin will make 7 out of every 10 free throws. You want to know how many free throws  she will make if she attempts 60 free throws.

Using ratios we will be able to find how many free throws she will make if she attempts 60.

7:10

14:20

21:30

28:40

35:50

42:60

Basically we kept multiply the right side of the ratio which is 10 by 2 until we were at 60 free throws.

Erin will make 42 free throws if she attempts 60 free throws.

6 0
3 years ago
A shopper needs 48 hot dogs. The store sells identical hot dogs in 2 differently sized packages. They sell a six pack hot dog fo
Archy [21]

Answer:He should buy the six pack.

Step-by-step explanation:

The total number of hotdogs that the shopper needs is 48.

The store sells identical hot dogs in 2 differently sized packages. They sell a six pack hot dog for $2.10, and an eight pack of hot dog for $3.12.

If the shopper buys the six pack hot dog, he would need to buy 8 of it. The total cost would be

8 × 2.10 = $16.8

If the shopper buys the eight pack hot dog, he would need to buy 6 of it. The total cost would be

6 × 3.12 = $18.72

The 6 pack is cheaper than the eight pack. Therefore,

He should buy the six pack.

5 0
3 years ago
(2a^3 b^4) ^4= <br> What is the answer to this problem ?
Jet001 [13]

Answer: 16a^12 b^16

Step-by-step explanation:

Everything in the parenthesis to the 4th power.

2a^4= 16a

3*4=12

b^4*4=b^16

3 0
3 years ago
An independent-measures research study uses a total of 18 participants to compare two treatment conditions. If the results are u
Luba_88 [7]

Answer:

The answer is false

Step-by-step explanation:

In a sample above 30 obs  like this the confidence interval is defined as

X+- t* (s/sqrt(n)) where X is the mean t the tvalue for a given confidence level, n the size of sample and s standar deviation.

To find de appropiate value of t we must see the T table where rows are degrees of freedom and columns significance level

The significance is obtained:

significance = 1 - confidence level = 1 - 0.9 = 0.10

Degrees of freedom (df) for the inteval are

df = n - 1 = 18 - 1 = 17

So we must look for the value of a t with 17 values and significance of 0.10 which in t table is 1.740 not 1.746 ( thats the t for 16 df)

6 0
3 years ago
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