3 years ago

What is the simplified form of 2n+3(n+4)

Mathematics

1 answer:

Andrews [41]3 years ago

5 0

Answer:

5n + 12

Step-by-step explanation:

Perform the indicated multiplication. Then combine like terms:

2n + 3n + 12 = 5n + 12 (answer)

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if a cylinder with height 9 inches and radius r is filled with water, it can fill a certain pitcher. how many of these pitchers

dalvyx [7]

Answer:

4 pitchers

Step-by-step explanation:

we know that

The volume of a cylinder is equal to

$V=\pi r^{2}h$

step 1

Find the volume of the cylinder with height 9 inches and radius r

substitute the given values

$V_1=\pi r^{2}(9)$

$V_1=9\pi r^{2}\ in^3$

step 2

Find the volume of the cylinder with height 9 inches and radius 2r

substitute the given values

$V_2=\pi (2r)^{2}(9)$

$V_2=36\pi r^{2}\ in^3$

step 3

we know that

The volume of the cylinder 1 can fill a certain pitcher,

The volume of the pitcher is the same that the volume of cylinder 1

therefore

the number of pitchers that can be filled by the second cylinder is equal to divide the volume of the second cylinder by the volume of the first cylinder

$\frac{36\pi r^{2}}{9\pi r^{2}}=4\ pitchers$

3 0

3 years ago

Divide 1/3 yd by 9/13 ? please show work

babunello [35]

Answer:

13/27

Step-by-step explanation:

1/3 ÷ 9/13

Copy dot flip

1/3 * 13/9

13/27

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3 years ago

Brad purchased a bag of apples for $2 and b pounds of bananas for $0.50 per pound. He spent a total of $3. The total price of hi

Len [333]

0.5b+2=3
0.5b=3-2
0.5b=1
b=2
so brad purchased 2 pounds of bananas

3 0

3 years ago

Find the equation of the line containing the point (-3,5) and having slope: 4

alina1380 [7]

Answer: d) y=4x+17

remember y=mx+b

good luck

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3 years ago

Write down step by step the process that you use<br> to solve multiplying a fraction by an integer.

Marta_Voda [28]

Answer:

you place the 1 under the integer and follow the steps keep change it flip it . SO basically you keep the integer and the 1 and you change the sign to division and you place the numerator where the denominator is and the denominator goes where the numerator is.

Step-by-step explanation:

3 0

3 years ago