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Allisa [31]
2 years ago
5

Find the value of f(5) for the function. F(x)=6+3x

Mathematics
1 answer:
GuDViN [60]2 years ago
5 0

Answer:

21

Explanation:

To solve this problem, you substitute in the 5 for the x creating this equation: f(5)=6+3(5).

f(5)=15+6

f(5)=21

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Kira exercises no less than 40 minutes per day. Use t to represent Kira's amount of exercise (in minutes per day).
VikaD [51]

Kira's time exercising every day can be represented as t  ≥ 40 because she exercises for 40 minutes or more.

<h3>How can this situation be represented?</h3>

This situation can be represented with an inequality. An inequality is an expression that is used to represent variables. This type of expression uses symbols such as >, < or ≥ to represent different variable values.

<h3>What inequality is represented in this situation?</h3>

  • The expression is: t ≥ 40

The inequality represented in this situation implies that Kira exercises is equal or more time than 40 minutes every day.

Learn more about time in: brainly.com/question/26941752

#SPJ1

4 0
2 years ago
Fernando cleans pools for the summer for $25 an hour plus a supply fee of $15.
puteri [66]

Answer:

15x+25 ; 70

Step-by-step explanation:

Given that,

Fernando cleans pools for the summer for $25 an hour plus a supply fee of $15.

Here, $25 is constant and $15 increases as the number of hour increase. For x hours, the cost for Fernando to clean a pool is given by :

y = 15x+25

For 3 hours,

y = 15(3)+25

= 45 + 25

= 70

So, the required option is (c) " 15x+25 ; 70 ".

5 0
3 years ago
I need to know the answer to this problem. Thanks. I will name Brainliest to the correct answer :)
trapecia [35]

Answer:

422

Step-by-step explanation:

Large rectangle

A = 2(lw+wh+lh)

A = 2(7*10+10*5+7*5)

A = 310

Small rectangle

A = 136

Now the squares that connect both, 4*3

Since you have 1 on each rectangle, the total area for this is 24

add 310 + 136 and substract 24

3 0
3 years ago
the thickness of a cd is about 1/20 inch. if carrie has a stack of 52 cds,what is the height of the stack
SVETLANKA909090 [29]
The answer would be 26 because you're multiplying .5 times 52
7 0
3 years ago
Dan divide a pie into eighths.how many equal parts are their
cluponka [151]
There are 8 equal parts.  Each part is 1/8 of the whole 8/8
3 0
3 years ago
Read 2 more answers
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