3 years ago

John was working on a polynomial subtraction problem, and his work is shown. (3x^2+4x-8)-(x^2-5x+4)

1 answer:

5 0

Answer:

idk but can u mark me brainleeeast?<em> PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS㏒㏑</em>

Step-by-step explanation:

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Will a 9/32 inch diameter pin fit into a reamed hole with a diameter of 0.278 inch? (Do not round off your answer and express it

ollegr [7]

Answer:

9/32 inch diameter pin will not fit into a reamed hole with a diameter of 0.278 inch

Step-by-step explanation:

Diameter of reamed hole = 0.278 inch

Radius of reamed hole = $\frac{0.278}{2} =0.139$

Surface area of reamed hole = $\pi r^2$

Surface area of reamed hole = $3.14 \times (0.139)^2$

Surface area of reamed hole = 0.06066794

Diameter of pin = $\frac{9}{32}$

Radius of pin = $\frac{9}{64}$

Surface area of pin = $\pi r^2 = 3.14 \times ( \frac{9}{64})^2=0.0620$

Since the surface area of pin is more than the surface area of hole .

So, a 9/32 inch diameter pin will not fit into a reamed hole with a diameter of 0.278 inch

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3 years ago

What is the area of the trapezoid. 21m, 7m, 21m.

kolbaska11 [484]

Answer:

249m

Step-by-step explanation:

7 0

3 years ago

The exponent indicates how many times the ......... is used as a factor

Dimas [21]

Base or base number
for example 2^3 = 2 * 2 * 2 or x^2 = x * x

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3 years ago

ABC is a straight line. which equation can be used to find the measure of the unknown angel?

miskamm [114]

Answer:

Step-by-step explanation:

Since it is a straight angle, it will equal 180 degrees. Since 45 is already taken, u would subtract it from 180.

180-45=135

thus, your answer is 180-45

hope I helped!!!

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3 years ago

If Steph Curry can shoot 72 free throws in 12 minutes, how many free throws

dimaraw [331]

He can shoot 6 because at this point we are diving 72 divided by 12 equals 6 hope it helps

3 0

3 years ago

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