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Ray Of Light [21]
3 years ago
15

What is the simplified answer? 9x + 5 + 4( x + 3) +2

Mathematics
2 answers:
guajiro [1.7K]3 years ago
8 0

Answer:

13x + 20

Step-by-step explanation:

<u>Step 1:  Distribute</u>

9x + 6 + 4(x + 3) + 2

9x + 6 + (4 * x) + (4 * 3) + 2

9x + 6 + 4x + 12 + 2

<u>Step 2:  Combine like terms</u>

9x <u>+ 6</u> + 4x <u>+ 12</u> <u>+ 2</u>

13x + 20

Answer:  13x + 20

gladu [14]3 years ago
5 0

Answer:

13x+19

Distribute the parentheses to be 4x+12 and then combine like terms. 9x+4x=13x, 5+12+2=19,

13x+19

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Write the equation of the line that passes<br> through the points (-7,-9) and (-3,-1)
zysi [14]

Answer:

2x + 5

Step-by-step explanation:

I am assuming you are talking about a linear function. If it is, then the equation would be:

2x + 5.

Hope this helps!

3 0
3 years ago
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Where what assignment are you talking about
8 0
3 years ago
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7.
Iteru [2.4K]

Answer:

a. 45 π

b. 12 π

c. 16 π

Step-by-step explanation:

a.

If a 3×5 rectangle is revolved about one of its sides of length 5 to create a solid of revolution, we can see a cilinder with:

Radius: 3

Height: 5

Then the volume of the cylinder is:

V=π*r^{2} *h= π*(3)^{2} *(5) = π*(9)*(5)=45 π

b. If a 3-4-5 right triangle is revolved about a leg of length 4 to create a solid of revolution. We can see a cone with:

Radius: 3

Height: 4

Then the volume of the cone is:

V=(1/3)*π*r^{2} *h= (1/3)*π*(3)^{2} *(4) = (1/3)*π*(9)*(4)=12 π

c. We can answer this item using the past (b. item) and solving for the other leg revolution (3):

Then we will have:

Radius: 4

Height: 3

Then the volume of the cone is:

V=(1/3)*π*r^{2} *h= (1/3)*π*(4)^{2} *(3) = (1/3)*π*(16)*(3)=16 π

7 0
3 years ago
Please help and explain <br><br> question 12
il63 [147K]

The sunflower is 2.387 meters tall.

The question is asking: which rounding will result in the greatest value?

To see, we need to round 2.387 to meter, tenth meter, and hundredth meter.

Meter - 2 meters

Tenth meter - 2.4 meters

Hundredth meter - 2.39 meters

As you see, rounding to the tenth meter gives the greatest value of 2.4. Therefore, Bahir should use a decimal rounded to the tenth meter.

3 0
3 years ago
–4.2 = –1.96(m − 10) + –4.2<br> Find variable
marshall27 [118]

Answer:

m=10

Step-by-step explanation:

–4.2 = –1.96(m − 10) + –4.2

–4.2=-1.96m+19.6-4.2

-19.6=-1.96m

m=10

4 0
3 years ago
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