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Pavlova-9 [17]
3 years ago
8

Help meee please !!!

Mathematics
2 answers:
Molodets [167]3 years ago
7 0
Shh shah ahahaiaia suasion
maksim [4K]3 years ago
7 0
Set up two equalities with the given info using x and y as the number of questions in both

X + Y = 24
5x + 3y = 100

Now take the first equation and solve for one variable. We will start with X

X = 24 - Y

Now we have a value for x (24-y). Plug this value for x into the second equation

5(24-y) + 3y = 100

Now solve for y

120 - 5y + 3y = 100
120 -2y = 100
-2y = -20
Y= 10

Now we have the exact y value. Plug this value into the second equation to solve for x

5x + 3(10) = 100
5x + 30 = 100
5x = 70
X = 14

Now check your work by plugging both the value for x and y into the first equation

14 + 10 = 24
24 = 24

X = 14
Y = 10
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Given the functionſ defined by the formula f(x) = 2x +1 find the following:​
Lerok [7]

Answer:

f(4) is 9

f(-5) is -9

f(0) is 1

f(1/2) is 2

4 0
3 years ago
Three times a number x is at least -18
Ksivusya [100]
3x is greater than or equal to -18. You would divide each side by 3 to get x alone. Then You will get what x stands for. (x= -6)
4 0
2 years ago
I must convert a percent into a fraction,the percent is 93%. a.k.a <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B93%7D%7B100%7D
gtnhenbr [62]
First, you put 93 over 100.
Then, you simplify the fraction. But it is in simplified form.
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6 0
3 years ago
So I need help pls show ur work
Ad libitum [116K]

Answer:

x = – ⅓

Step-by-step explanation:

The solution to the expression can be obtained as follow:

–3.1x + 7 – 7.4x = 1.5x – 6(x – 3/2)

Clear bracket

–3.1x + 7 – 7.4x = 1.5x – 6x + 9

–3.1x – 7.4x + 7 = –4.5x + 9

–10.5x + 7 = –4.5x + 9

Collect like terms

–10.5x + 4.5x = 9 – 7

–6x = 2

Divide both side by –6

x = 2 / –6

x = – ⅓

Thus, the solution to the equation is –⅓

7 0
3 years ago
ANSWER PLEASE! 25 POINTS!! Dad says to pick a number from 1 to 100, and the
sveta [45]
1/3 because there are 3 people and only one correct answer
5 0
2 years ago
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