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Alex787 [66]
3 years ago
5

If 45 cookies will serve 15 students, how many cookies are needed for 90 students?

Mathematics
1 answer:
Volgvan3 years ago
8 0
U will take 45 times 90
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What is the solution to the system of equations?
aliina [53]
HEYA!!!!!

In first equation multiply 3,
In second equation multiply 2...

- 6x + 18y =  - 9
6x - 8y = 64
On solving the equation,

10y = 55
y = 55 \div 10
y = 11 \div 2
y = 5.5
Hope it helps you..

:)


6 0
3 years ago
aron lei is making identical balloon arrangements for a party. He has 32 maroon balloons and 24 white balloons, he wants each ar
alexandr402 [8]

Answer:

The greatest number of arrangements that he can make if every balloon is used is 8.

Step-by-step explanation:

The greatest number of arrangements will be the greatest common factor between 24 and 32.

GCF of 24 and 32:

We keep factoring both numbers by prime factors, while they can both be divided by the same number. So

24 - 32|2

12 - 16|2

6 - 8|2

3 - 4

There is no factor for which we can divide both 3 and 4. So the GCF is 2*2*2 = 8.

This means that the greatest number of arrangements that he can make if every balloon is used is 8.

5 0
3 years ago
A _____ is an isometry that maps all points of a figure the same distance in the same direction.
valkas [14]

The <em>correct answer</em> is:


Translation.


Explanation:


A translation is a "slide" of a figure. Since it "slides" the figure, it moves every point the same direction and the same distance.


Since the size and shape of the figure is preserved, a translation is an isometry.

7 0
3 years ago
Read 2 more answers
Each day 1/2 of the money that is in a bank vault is removed. No money is added to the vault. Which of the following models the
Step2247 [10]
This scenario is representing an exponential decay function.

Each time you are removing half, which will be the same as divided by two.

1, 1/2 1/4, 1/8, 1/16. You can see in the denominator the powers being applied. The values are decreasing which is why it is a decay.
6 0
3 years ago
Find the equation of the line that has these features: slope, m=-3 passes through the point (-2,4)
umka2103 [35]
The equation of a line is given by:

y - y1 = m ( x - x1 )

You are given m = -3
And the point (-2 , 4)

Sub these values into the equation,

y - 4 = -3 ( x - (-2))
y - 4 = -3 ( x + 2 )
y - 4 = -3x - 6
y = -3x - 2

Hope this helped! Ask me if there's any part of the working you don't understand :)
5 0
3 years ago
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