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anastassius [24]
3 years ago
5

If 45 cookies will serve 15 students,how many cookies are needed for 30 students?

Mathematics
1 answer:
blondinia [14]3 years ago
3 0
Simply multiply 45 by 2 and you get your answer which is 90 cookies
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Use substitution to solve each system of equations <br> Y=2x-2<br> Y=x+2
Alik [6]
Y = 2x - 2 ⇒ 2x - y = 2  ⇒ 2x - y = 2
y = x + 2  ⇒ x - y = -2   ⇒ <u>2x - 2y = -4</u>
                                                 <u>3y</u> = <u>6</u> 
                                                  3     3
                                                   y = 2
                                            2x - 6 = 2
                                            <u>      +6   +6</u>
                                                 <u>2x</u> = <u>8</u>
                                                  2     2
                                                   x = 4
                                             (x, y) = (4, 2)

8 0
3 years ago
-7(5h + 9) = 17 - 8h please help i need this FAST
Katyanochek1 [597]

Answer:

h = -2 \frac{26}{27}

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

4 0
3 years ago
Read 2 more answers
Help please!!!!!!!!!
Triss [41]
The answer is -4, hope this helped
8 0
3 years ago
Use the point P(3, —6). Write the ordered pair for the final location of the given point after completing the transformations in
sashaice [31]

Answer:Go on a graph calolator

Step-by-step explanation:

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5 0
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kotegsom [21]

Answer:

A constant of $20 can be multiplied by the number of months to find the amount in the account.

Step-by-step explanation:

4×20=80

7×20=140

7 0
3 years ago
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