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Art [367]
3 years ago
7

Solve x^2 - 13x + 40 = 0​

Mathematics
1 answer:
hodyreva [135]3 years ago
4 0

Answer:

(x-8)(x-5)

Step-by-step explanation:

The only way to solve this equation is to factor it. You would have to use the sum and product rule.

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An equilateral triangle has a perimeter of 12 x + 18 units. Which expression can be used to show the length of one side of the t
adelina 88 [10]

Answer:

So each side length is 4s+6

Step-by-step explanation:

Since we know the triangle is an equilateral triangle, we know the perimeter of the triangle is given by since all the sides are the same length

P = 3s  where s is the side length

12x+18 = 3s

Divide each side by 3

12x/3 + 18/3 = 3s/3

4s +6 = s

So each side length is 4s+6

4 0
3 years ago
Read 2 more answers
Find the probability of rolling factors of 8
inna [77]
The answer is 1,2,4,8
5 0
3 years ago
Help I be trying so but can figure out the answer
Sphinxa [80]

Answer:

b

Step-by-step explanation:

Surface of the earth =3959×3.14

=12,437.565

if 20%is suitable so we multiply it by the surface

12,437.565×0.2=2,487.513 per people

2,487.513/7,700,00,00

So I think it will be the closest to b

4 0
3 years ago
Read 2 more answers
For what value of b in the equation (2z + b)(z − 3) = 0 will a solution for z be −4?
bazaltina [42]
( - 8 +  b )( - 4 - 3 ) =  0;
( - 8 + b )( - 7 ) = 0 ;
-8 + b = 0;
b = 8.
7 0
3 years ago
The graph shows the relationship between hours worked and total earnings for a store clerk. Let h represent hours worked and e r
Dovator [93]

Answer:

The answer is C.

Step-by-step explanation:

y = kx → e =

30

4

h → e = 7.5h

The independent variable is hours worked, h, and the dependent variable is total earnings, e. The independent variable is the input value of a function. The dependent variable is the output value of a function.

8 0
3 years ago
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