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Rom4ik [11]
3 years ago
13

What's -3a(5a-7) ? I can't figure It out .

Mathematics
2 answers:
DochEvi [55]3 years ago
6 0
I think maybe -15 but I’m not sure
steposvetlana [31]3 years ago
3 0
It is - 15 a ^ 2 + 21 a.
You use distributive property
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bulgar [2K]
38.057 is the total
4 0
2 years ago
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If (-3)^-5 = 1/x, what is the value of x?
kvv77 [185]

Answer:

-243

Step-by-step explanation:

(-3) (-3) (-3) (-3) (-3) = - 243

\frac{1}{-243 }

7 0
3 years ago
the perimeter of a rectangle brownie pan is 50 Inches. the lenght of the pan is 5 less than twice the width. write a system of e
Serga [27]

Answer: The system of equation is,

2 ( x + y ) = 50

x = 2 y - 5

Step-by-step explanation:

Let x represents the length of the rectangular brownie and y represents the width of the rectangular brownie.

Thus, the perimeter of the brownie = 2 ( x + y )

But, According to the question,

Perimeter of the brownie = 50,

2 ( x + y ) = 50

The length of the brownie is 5 less than twice the width,

That is, x = 2 y - 5

Thus, the required system of equation is,

2 ( x + y ) = 50 , x = 2 y - 5


6 0
3 years ago
The sum of three numbers is 244.84. One of the numbers is 24.6. The other two numbers are equal to each other. What is the value
mamaluj [8]

Answer:

The value of each of the other two numbers is 110.12

Step-by-step explanation:

244.84 - 24.6 = 220.24

220.24 divided by half is 110.12

The value of the other two numbers is 110.12

4 0
2 years ago
Two angles in a triangle have measures of 42 and 82 what is the measure of the third angle
skelet666 [1.2K]

Answer:

angles of the triangle are equal 180

so 42+82=124

180-124=56

so the answer is 56

Step-by-step explanation:

4 0
3 years ago
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