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Eddi Din [679]
2 years ago
7

Please help. Will give brainliest to correct answer.

Mathematics
2 answers:
mr Goodwill [35]2 years ago
3 0

Answer:

Step-by-step explanation:

B

beks73 [17]2 years ago
3 0

Answer:

the second choice

Step-by-step explanation:

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when derek planted a tree it was 36 inches tall. the tree grew 1 1/4 inches per year the tree is now 44 3/4 inches tall. how man
mafiozo [28]
Derek would have planted the tree 7 years ago. You subtract 36 from 44.75 and get 8.75. This is how much the tree grew since he planted it. Then, you'll divide 8.75 by 1.25 (1 1/4) which tells you how many years it has been since he planted the tree. The final answer is 7 years. Hope this helps!
8 0
3 years ago
What is the average rate of change for ƒ(x) = −2x + 70 over the interval 2 ≤ x ≤ 6?
Anvisha [2.4K]

Answer:

The average rate of change is -2

Step-by-step explanation:

we know that

To find out the average rate of change, we divide the change in the output value by the change in the input value.

In a linear function the average rate of change is a constant and is equal to the slope of the function

The linear function in slope intercept form is equal to

f(x)=mx+b

where

m is the slope or unit rate of the linear function

b is the y-intercept or initial value of the linear function

In this problem we have

f(x)=-2x+70

so

m=-2\\b=70

therefore

The average rate of change is -2

4 0
3 years ago
1. which expression is equivalent to 8 × 8 × 8 × 8?
Lelu [443]
Question 1: c. ) 8^4                                                                                                question 2: 4^7                                                                                                      question 3: 7^6                                                                                                     question 4: 4^3                                                                                                      question 5: 3^2                                                                     



8 0
3 years ago
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Multiplication to find ratios that are equivalent to 4:5
Sindrei [870]

Answer:

You can multiply 4 and 5 by a number, and it will be equivalent.

Let's use the number 3.

4 x 3=12

5 x 3=15

So, it will be 12:15

8 0
3 years ago
Ms. Groves has trays of paints for students in her art class each tray ahe 5 colours one of the colours is purple what fraction
Tatiana [17]
The answer is 4/20 are purple out of 20 trays reduced to 1/5
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