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Mkey [24]
3 years ago
5

I do not know how to do this

Mathematics
1 answer:
kipiarov [429]3 years ago
3 0

Answer:

15

Step-by-step explanation:

15

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If f(x) = –3x – 2, what is f(–5)?
schepotkina [342]

Answer:

f(-5) = 13

Step-by-step explanation:

Substitute x with -5

f(-5) = -3 (-5) - 2

=> 15 - 2

=> 13

hope this helps and is right. p.s. i really need brainliest :)

if this is wrong then I am incredibly sorry!

3 0
3 years ago
The sum of 2 numbers is 5 and their difference is 2. Which of the following could the difference of their squares?( i think the
Vladimir [108]
You're right the towo numbers are 1.5 and 3.5 so the answer would be 10

7 0
3 years ago
Find the surface area and volume of a sphere with a radius r = 0.8 ft. Round your answer to the nearest tenth. A. 7.8 ft2; 2.6 f
fiasKO [112]
Surface area of a sphere = 4πr² 

Surface area of the sphere = 4π(0.8)² = 8.0 ft²


Volume of a sphere = 4/3 πr³

Volume of the sphere = 4/3 π(0.8)³ = 2.1 ft³


Answer: Surface area = 8.0 ft² and volume - 2.1 ft³ (Answer C)
7 0
3 years ago
Simplify this pleasee​
DochEvi [55]

Answer:

<em><u>48</u></em>

Step-by-step explanation:

<em><u>3</u></em><em><u>(</u></em><em><u>4</u></em><em><u>)</u></em><em><u>^</u></em><em><u>2</u></em>

<em><u>48</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>your</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em>

5 0
3 years ago
The function f(x) = 3,267(1 + 0.02)* represents the amount of money in a savings account where x represents time in years. What
andreyandreev [35.5K]

Answer:

C .The initial amount of money placed in the savings account

Step-by-step explanation:

f(x) = 3,267(1 + 0.02)^x

This is in the form

y = a b^x

where a is the initial amount

b is the growth rate

x is the time

3267 is the initial amount

1.02 is the growth rate, so it grows by .02 or 2 percent

and x is the time

6 0
3 years ago
Read 2 more answers
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