Factor the sum of terms as a product of the gcf and sum 18+20

Answers

Answer 1
Answer: 2 is the greatest common factor & 18+20=38. So 2×38=76

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What is 8/12-1/3 I'm just confused a little.

Answers

8/12 - 1/3

= 8/12 - 4/12

= 4/12

= 1/3

You have been asked to build a scale model of your school out of toothpicks imagine your school is 30 feet tall Your scale is 1 ft: 1.26 cm

Answers

The height of your school's scale model would be 37.8 cm tall. You would just have to multiply 1.26 by 30, because your school is 30 ft tall.

A beach ball has a radius of 9 inches what is the volume

Answers

V=4/3pir^3
r=9
V=4/3pi9^3
v=4/3pi729
V=972pi

if want, aprox pi=3.141592
V=3053.627424 in^3
Solutions 

The volume of a sphere is given by the formula V = 4/3 πr³ , where V is the volume of the sphere and r is its radius. We know that the radius is 9 inches. 

Calculations 

Formula = V=4/3πr³

V=4/3πr³

v=4/3πr³ ( 9 ) = r

r³ = 9 x 9 x 9 = 729

V=972π 

5. What is an Improper Fraction ? Give at least 2 examples of an Improper Fraction.

Answers

Answer:

An Improper Fraction has a top number larger than (or equal to) the bottom number.

Step-by-step explanation:

Ex. 7/4   8/3    3/3  6/2     9/1        5/2

Answer:

a fraction whose numerator is equal to, larger than, or of equal or higher degree than the denominator

a fraction whose numerator is equal to or larger than the denominator

Step-by-step explanation:

Hope I helped

What is 84.985 rounded to the nearest tenth

Answers

84.985 rounded to the nearest tenth is 85
85.0 i think is the answer i think it is 85.0

Circle DDD is below.What is the arc measure of \stackrel{\Huge{\frown}}{BAC}
BAC

B, A, C, start superscript, \frown, end superscript in degrees?
^\circ

Answers

Answer:

276°

Step-by-step explanation:

In the figure attached, circle D is shown.

arc BA + arc AC + arc CB = 360°

(7n + 12) + (13n - 16) + 6n = 360

26n - 4 = 360

n = (360 + 4)/26 = 14°

arc BAC = arc BA + arc AC

arc BAC = (7n + 12) + (13n - 16)

arc BAC = 20n - 4

arc BAC = 20(14) - 4 = 276°

Answer:

The answer is 276 degrees. I checked on Khan Academy. The reason 84 degrees is NOT the answer is because that would be the minor arc, not the major arc.

Step-by-step explanation: