3 years ago

Use Exponential Functions

Mathematics

1 answer:

allsm [11]3 years ago

3 0

Answer:

B. Yes; the domain values are at regular intervals and the range values have a common factor 4.

Step-by-step explanation:

I calculated it logically

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The second of two numbers is 8 less than twice the first. their sum is 19. Find the two numbers

Radda [10]

The first number is 9 and the second number is 10. 10+9=10. 9*2=18 and 10 is 8 less than 18. All the requirements of the numbers are met.

3 0

3 years ago

Tammy has scored 82, 78, and 93 on her previous three tests. What score does she need on her next test so that her average (mean

Lyrx [107]

Answer:

She needs a grade of 71 on her next text.

Step-by-step explanation:

Mean of a data-set:

The mean of a data-set is the sum of all values in the data-set divided by the number of values.

Tammy has scored 82, 78, and 93 on her previous three tests.

Thus, her grades are 82, 78, 93 and x, in which x is her grade in the fourth test.

There are 4 tests.

What score does she need on her next test so that her average (mean) is 81?

We have to find x when the mean is 81. So

$\frac{82 + 78 + 93 + x}{4} = 81$

$253 + x = 324$

$x = 324 - 253$

$x = 71$

She needs a grade of 71 on her next text.

5 0

3 years ago

Of all the students in a class, 2/5 of them

Marrrta [24]

Answer:

it is 20%

Step-by-step explanation:

easy

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3 years ago

Katrina buys a 38-ft roll of fencing to make a rectangular play area for her dogs. Use 2(l+w)=38 to write a function for the

jenyasd209 [6]

Answer:

i dont know

Step-by-step explanation:

68 maybbe

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3 years ago

Please help and explain how u solve this

Elza [17]

Answer:

∛

I am not sure about my answer but I have solved it like this...

Step-by-step explanation:

x-y ÷ ∛x-∛y

we can take ∛ as common and write it outside the parenthesis

∛(x-y)

then we can just cancel out x-y and the answer will be ∛

7 0

3 years ago

Read 2 more answers