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san4es73 [151]
4 years ago
10

-5⁄2 a + 5 = 25 What Does A =

Mathematics
1 answer:
ruslelena [56]4 years ago
6 0

Answer:

a = -8

Step-by-step explanation:

-5⁄2 a + 5 = 25

Subtract 5 from each side

-5⁄2 a + 5-5 = 25-5

-5/2 a = 20

Multiply each side by -2/5 to isolate a

-2/5 * -5/2 a = -2/5 *20

a = -8

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Factor completely 5xy3 + 15x3y2 − 30x2y2. 5(xy3 + 3x3y2 − 6x2y2) 5x(y3 + 3x2y2 − 6xy2) 5xy2(y + 3x2 − 6x) Prime
Maslowich

Answer:

5xy^2(y + 3x^2 - 6x).

Step-by-step explanation:

5xy^3 + 15x^3y^2 − 30x^2y^2

The GCF is 5xy^2 so dividing through by this we get the factors:

= 5xy^2(y + 3x^2 - 6x).

4 0
3 years ago
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agasfer [191]
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3 years ago
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A line passes through the point (-4,8) and has a slope of 3/2. Write an equation in point slope form for this line.
Kay [80]

Answer:

y-8=3/2(x+4)

Step-by-step explanation:

y-y1=m(x-x1)

y-8=3/2(x-(-4))

y-8=3/2(x+4)

5 0
4 years ago
18ft wide 27 ft long. what is the area
AysviL [449]
Area = L x W

So, you would do 18 x 27.

18 x 27 = 486

Glad I could help, and good luck!

6 0
3 years ago
Read 2 more answers
A. 167 sq. in <br>B. 248 sq. in <br>C. 340 sq. in <br>D. 375 sq. in ​
Irina-Kira [14]

Answer:

find the area of all the shapes

Base x height / 2 = area of triangle

12x10=120/2=60

there are 4 triangles so 60 x 4 = 240 square inches

length x width = area

10 x 10 = 100

240+100=340

C. is the answer

Hope this helps

Step-by-step explanation:

6 0
3 years ago
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