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icang [17]
3 years ago
13

7(3x+-9) what is the answer

Mathematics
2 answers:
Sidana [21]3 years ago
7 0

Answer:

21x-63

Step-by-step explanation:

morpeh [17]3 years ago
3 0

Answer: 21x - 63

explanation:

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Help please I suck at math :(
andrew-mc [135]

Answer:

44m^2

Step-by-step explanation:

Separate the shape into two different rectangles. Then add the area of the rectangles together.

2 x 6 = 12

4 x 8 = 32

32 + 12 = 44

4 0
2 years ago
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Is it c or d ?im confused on this question
sladkih [1.3K]
It’s D, when lines are perpendicular, the slopes of the lines are opposite reciprocals.
8 0
3 years ago
If the rate of inflation is 3.7% per year, the future price p(t) (in dollars) of a certain item can be modeled by the following
larisa86 [58]

Answer:

50000000

Step-by-step explanation:

8 0
2 years ago
Mario’s company makes unusually shaped imitation gemstones. One gemstone has 14 faces and 10 vertices. How many edges does the g
Ivan
The gemstone has 22 edges.

We use Euler's formula on this:

F + V - E = 2

Substituting our information, we have:

14 + 10 - E = 2

Combining like terms, 
24 - E = 2

Subtract 24 from both sides:
24 - E - 24 = 2 - 24
-E = -22

Divide both sides by -1:
-E/-1 = -22/-1
E = 22
3 0
3 years ago
In your computation, approximate its value as 3.14.
andrey2020 [161]

Answer: d

Step-by-step explanation:

Find the area of the rectangle.

A=l*w\\A=(15in)(12in)\\A=180in^2

Find the area of the base of the semicircle.

A=\pi r^2

12 in would be the diameter, divide by 2 to get the radius.

\frac{12}{2}=6

Plug this into the formula.

A=(3.14)(6)^2\\A=113.04in^2

Since we do not have a full circle but a semi one instead, we must divide our result by 2.

\frac{113.04}{2}=56.52in^2

Add both areas.

180+56.52=236.52in^2

7 0
3 years ago
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