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zalisa [80]
3 years ago
7

I need help with 15,18,19,23,and 24. Thanks.

Mathematics
1 answer:
love history [14]3 years ago
7 0

We need to see the exercise 3 first


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Find f(-3), f(-1), and f(1)
suter [353]

Answer:

I will just show you how to substitute.

Step-by-step explanation:

all you have to do is just plug f(x) into the number you want. So if you see any x's, all you gotta do is plug that number after f for x.

So an example of an equation for one of your number is:

f\left(x\right)=x^2+x

you then want to plug the number after f for the x's. (I'm doing f(-3).

f\left(-3\right)=\left(-3\right)^2-3

You then should get the equation above.

after that you solve.

f\left(-3\right)=9-3

f\left(-3\right)=6

just follow these steps and you should be fine :))

3 0
4 years ago
Help me with these please!!
Arisa [49]
Five out of 35 (27+5) students wear a fun Pi-Shirt. 

Construct a ratio:

5 (people with a fun t-shirt on)                  59 (people with a fun t-shirt on)
________________________          = 
32 (number of people in one class)          x (number of students in the school)


The correct answer is D.


7 0
4 years ago
A box of cereal states that there are 78 calories in a three fourths ​cup serving. What is the unit rate for calories per​ cup?
ladessa [460]

Answer:

See below.

Step-by-step explanation:

Unit rate = 78 / 3/4

= 78 * 4/3

= 26*4    (because 78 / 3 = 26)

= 104 calories per cup

There are 2 * 104 = 208 calories in 2 cuos of cereal..

4 0
3 years ago
Read 2 more answers
What is the slope of a line passing through (3, 4) and (5, 8)?
Marat540 [252]

Answer:

The slope of the two points is 2.

8 0
4 years ago
Please help ty so much
kobusy [5.1K]
M=(14-7)/(10-5)=7/5.
7 0
4 years ago
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