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Varvara68 [4.7K]
3 years ago
10

Need help on these easy questions

Mathematics
2 answers:
Romashka [77]3 years ago
8 0

I know that the answer to one of them is 2y

another is 10y+3

bogdanovich [222]3 years ago
5 0
2.
A) 8s (s = number of students)
B) 15 + 2s
C) method b because 15 + 2(10) = $35 while method a = 8(10) = $80

3.
A) 2c (c for # of cups)
B) 10p + 3
C) 35j - 10
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8. What fraction of the numbers on a clock face are even numbers? o A. 6/12 B. 1/2 07/12 O D. 3/4​
SOVA2 [1]

Answer:

6/12

Step-by-step explanation:

This fraction has even numbers (6 is its numerator, and 12 is its denominator)

6 0
3 years ago
Read 2 more answers
3(r-6)+2=4(r+2)-21 . Find the value for r?
galben [10]
3(r-6)+2=4(r+2)-21
3r-18+2=4r+8-21
3r-16=4r-13
-3=r

r=-3
8 0
3 years ago
I NEED HELP !!!!!!!!!!!!!!!!!!!!!
cricket20 [7]

you must substitute x in the equation given :)

examples:

when x is -2

therefore, y = 2(-2) + 3

y = -1

when x is 0

therefore, y = 2(0) + 3

y = 3

when x is 1

therefore, y = 2(1) + 3

y = 5

when x is 3

therefore, y = 2(3) + 3

y = 9

for (b) you only have to plot based on the table ;)

hope this helps

8 0
2 years ago
What is the slope of the line through the points (-2, -1) and (4, 3)? ​
Natalka [10]

Answer:

#2 option: \frac{2}{3}

Step-by-step explanation:

slope=\frac{rise}{run} =\frac{y^2-y^1}{x^2-x^1}

\frac{3-(-1)}{4-(-2)}=\frac{-4}{-6} =\frac{-2}{-3} =\frac{2}{3}

=  \frac{2}{3}

8 0
2 years ago
If f(x) = 3x + 7 and g(x) = 2x – 5, find f∘g = f(g(x))<br> f ∘ g = f(g(x)).
9966 [12]

Answer:

f(g(x))=3x+7

=3(2x-5)+7

=6x-15+7

=6x-8

3 0
2 years ago
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