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3 years ago

So far I've ruled out answer D but I need help on the rest! please help asap!

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

8 0

Answer:

the answer is D.

Step-by-step explanation:

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Cicily wants to estimate the answer to this problem to see if her answer is reasonable.

suter [353]

I believe that the answer is A- 8600-5300
Hope this helps!

3 0

3 years ago

1. What is the solution to the system of equations?

IrinaVladis [17]

5x + 2y = 15
y = -3x - 2......so sub in -3x - 2 in for y in the other equation

5x + 2(-3x - 2) = 15
5x - 6x - 4 = 15
5x - 6x = 15 + 4
-x = 19
x = -19

y = -3x - 2
y = -3(-19) - 2
y = 57 - 2
y = 55

so ur solution is (-19,55)

3 0

4 years ago

This rule applies: rational + __________ = irrational.

Vaselesa [24]

Answer:

Rational+irrational =irrational is your answer.

Step-by-step explanation:

Hope it will help you :)

3 0

4 years ago

Write expression in standard form 5x-(-4+-2x)

Elodia [21]

Answer: 5x+4+2

Step-by-step explanation:

5x-1(-4+2)

multiply the -1 by the -4 and 2

5x+4+2

8 0

4 years ago

Angela decides to recycle a large oatmeal container by using it to hold a friends birthday gift. Then she wraps the container in

Deffense [45]

Answer:

D. 135.37 in²

Step-by-step explanation:

We have that the gift paper consists of two circles and a square.

Thus, we will need to find the area of the circles and the square.

Now, as the diameter of the circle = 4 inches

So, the radius of the circle = $\frac{4}{2}$ = 2 inches

Since, the area of a circle = $\pi r^{2}$

This implies that area of the two circles = $2\times \pi r^{2}$

i.e. Area of the circles = $2\times \pi 2^{2}$

i.e. Area of the circles = $8\pi$

i.e. Area of the two circles = 25.133 in²

Further, one side of the square = 10.5 inches

Thus, the area of the square = $side^{2}$

i.e. Area of the square = $10.5^{2}$

i.e. Area of the square = 110.25 in²

So, the overall area of the gift paper = 25.133 + 110.25 = 135.37 in².

Hence, the amount of paper used by Angela is 135.37 in².

7 0

3 years ago