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Lostsunrise [7]
3 years ago
14

What’s the answer to the question -7x + 15 = 36

Mathematics
1 answer:
konstantin123 [22]3 years ago
3 0

Answer:

-3

Step-by-step explanation:

-7x+15=36

or,-7x=36-15

or,-7x=21

or,x=21/-7

or,x=-3

This is the required answer.

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The radius of the base of a cylinder is 28 cm and its height is 48 cm. Find the surface area of the cylinder in terms of π. 4,23
spin [16.1K]
\bf \textit{total surface area of a cylinder}\\\\
SA=2\pi r(h+r)~~
\begin{cases}
r=radius\\
h=height\\
-----\\
r=28\\
h=48
\end{cases}\implies SA=2\pi (28)(48+28)
\\\\\\
SA=56\pi (76)\implies SA=4256\pi
4 0
3 years ago
Plz answer I need help Plz
Harlamova29_29 [7]

Answer:

A. (3 , 1)

Step-by-step explanation:

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6 0
3 years ago
sari has 3 times as many pencil eraser as sam. together they have 28 easers. how many eraser does sari have?
Sholpan [36]
21. if Sam's erasers are represented by x, then sari, who has three times more, would be represented by 3x. since you are adding two together to get 28, the equation would be 28=3x+x. Simplify to 28=4x, divide by 4 to isolate x, where x=7. multiply this by 3 to get sari's amount.
4 0
3 years ago
For f(x)=3x+1 and g(x)=x^2-6 find (fog)(4)
m_a_m_a [10]
F(x) = 3x+1
G(x) = X^2 - 6
F(G(x)) = F(X^2 - 6) = 3(X^2 - 6) + 1 = 3X^2 - 18 + 1 = 3X^2 -17
F(G(x)) = 3X^2 - 17
6 0
3 years ago
Mr browner has 7 keys, one for his home 2 for his car and the rest are for his drawers in his office. if he picks up 1 without l
pickupchik [31]

Answer:

2/7

Step-by-step explanation:

Because there are a total of 7 keys and he has 2 for his car so 2/7.

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7 0
3 years ago
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