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3 years ago

PLEASE HELP THANK YOU.

Mathematics

1 answer:

Sindrei [870]3 years ago

4 0

I'm not entirely sure about these, and the last one was tricky but i hope this helped.

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Two cylindrical science beakers are similar. The smaller beaker has a radius of 2 centimeters and a height of 4 centimeters. Its

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itsa 1200 B

Step-by-step explanation:

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3 years ago

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astra-53 [7]

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3 years ago

Which inequality represents the statement A final grade of at least 90?

alisha [4.7K]

Answer:

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3 years ago

Use the elimination method to solve the system of equations.Choose the correct ordered pair. -x + y -2 , 2x -3y = 4

AnnZ [28]

Answer:

To use the elimination method one coefficient of either x or y must be the same number with opposite signs, so the ordered pair is (-10, -8)

Step-by-step explanation:

2(-x+y=2) Make one of the coefficients equal, with opposite signs.

2x-3y=4 Combine equations.

-y=8 Solve, y=-8

Then find x, -x-8=2

-x=10, so x= -10

(-10, -8) is your answer.

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3 years ago

Item 9 You need two bottles of fertilizer to treat the flower garden shown. How many bottles do you need to treat a similar gard

kumpel [21]

Answer:

5 bottles of fertilizer is needed to treat a similar garden with a perimeter of 105 feet.

Step-by-step explanation:

As, the figure is missing so below is the figure attached:

Given:

You need two bottles of fertilizer to treat the flower garden shown.

Now, to find the number of bottles to treat a similar garden with a perimeter of 105 feet.

So, getting the perimeter of the flower garden shown:

$4+18+5+15$

$=42\ ft.$

Thus, 42 feet perimeter garden need 2 bottles of fertilizer.

Let the number of bottles needed with garden perimeter 105 feet be $x.$

As given, 2 bottles of fertilizer is needed for 42 feet perimeter garden.

So, 42 is equivalent to 2.

Thus, 105 is equivalent to $x.$

Now, to solve by using cross multiplication method:

$\frac{42}{2} =\frac{105}{x}$

By cross multiplying we get:

$42x=210$

Dividing both sides by 42 we get:

$x=5.$

Therefore, 5 bottles of fertilizer is needed to treat a similar garden with a perimeter of 105 feet.

3 0

3 years ago