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2 years ago

In finding the product of (x+2) (x+3) using the FOIL METHOD, what is the LAST step? *

Mathematics

1 answer:

klemol [59]2 years ago

6 0

Answer:

Last step of FOIL: Multiply 2 from the first binomial with 3 from the second binomial.

simplify: a? should be 25x^(6)y^(6)

Step-by-step explanation

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In a circle of radius 10 cm, a sector has an area of 40 (pi) sq. cm. What is the degree measure of the arc of the sector?

Rashid [163]

Answer:

144°

Step-by-step explanation:

First, find the area of the circle, with the formula A = $\pi$ r²

Plug in 10 as the radius, and solve

A = $\pi$ r²

A = $\pi$ (10²)

A = 100 $\pi$

Using this, create a proportion that relates the area of the sector to the degree measure of the arc.

Let x represent the degree measure of the arc of the sector:

$\frac{40\pi }{100\pi }$ = $\frac{x}{360}$

Cross multiply and solve for x:

100 $\pi$ x = 14400 $\pi$

x = 144

So, the degree measure of the sector arc is 144°

6 0

3 years ago

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(7x10^-6) (8x 10^-5)

DENIUS [597]

Answer:

56x^2 + 10^-11

Step-by-step explanation:

multiply the 7x and 8x and you get 56x^2

multiply the 10^-6 and 10^5-5 and you get 10^-11

8 0

3 years ago

A person has a mass of 70 kg. Express this mass in g.

yulyashka [42]

70000 grams in total

7 0

2 years ago

Which of the following equations have complex roots?

Svetllana [295]

Answer: B

Step-by-step explanation:

We can rearrange the equation to get $x^2=-\frac{2}{3}$ , which clearly has complex roots.

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2 years ago

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Convert: a. 48 m^2 to ________________ cm^2

Lubov Fominskaja [6]

Step-by-step explanation:

1 m = 100 cm So

48 × 100 = 4800 cm

1m = 1000mm

456 mm into m

= 456 ÷ 1000

= 0.456 m

4 0

3 years ago