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Andre45 [30]
3 years ago
8

HELP FOR 13 point bsbshshs

Mathematics
2 answers:
hammer [34]3 years ago
8 0

-20 is -10 × 2

-1 is -0.5 + -0.5

r-ruslan [8.4K]3 years ago
5 0

Answer:

-5 and 4

Step-by-step explanation:

Use a system of equations. Let x be the first number and y be the second number

The first equation will be a product, xy=-20, and the second will be a sum, x+y=-1

Solve the second equation for x, which results in x=-1-y, and substitute into the first equation.

(-1-y)y=-20

Distribute

-y-y^{2} =-20

Set equal to zero

y^{2}+y-20=0

Factor

(y+5)(y-4)=0

So y=-5 or y=4

When y=-5, then x=-1-(-5) or x=4

When y=4, then x=-1-4 or x=-5

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Luba_88 [7]
The correct answer is d
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Sweet t saved 20% of the total cost of the green-eyed fleas new album let three be fleas on the earth .If the regular price is $
Ostrovityanka [42]

Answer:

$6 Sweet t saved on green-eyed fleas new album .

Step-by-step explanation:

As given

Sweet t saved 20% of the total cost of the green-eyed fleas new album .

.If the regular price is $30.

20% is written in the decimal form.

= \frac{20}{100}

= 0.20

Thus

Sweet t saved on green-eyed fleas new album =  0.20 × 30

                                                                              = $6

Therefore $6 Sweet t saved on green-eyed fleas new album .

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3 years ago
What is and equation line that passes through the point (8,-5) and is parallel to the line 5x+4y=24
GenaCL600 [577]

Answer:

5x + 4x = 20

Step-by-step explanation:

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4 0
3 years ago
Write the number in standard notation. 9x 10^-4
max2010maxim [7]

Answer:

0.0009

Step-by-step explanation:

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4 0
3 years ago
Which equation has the same solution as w / 3.9 = 3? A. w+0.6=1.9 B. w-0.6 = 11.1 C. w+1.03=2.93 D. w-1.03=8.24
cestrela7 [59]

The equation has the same solution as w / 3.9 = 3 is w+0.6=1.9

Given:

w / 3.9 = 3

cross multiply

w × 3 = 3.9

3w = 3.9

divide both sides by 3

w = 3.9 / 3

w = 1.3

<em>Check all that applies</em>

A. w+0.6=1.9

w = 1.9 - 0.6

w = 1.3

B. w-0.6 = 11.1

w = 11.1 + 0.6

w = 11.7

C. w+1.03=2.93

w = 2.93 - 1.03

w = 1.9

D. w-1.03=8.24

w = 8.24 + 1.03

w = 9.27

Therefore, the equation has the same solution as w / 3.9 = 3 is w+0.6=1.9

Learn more about equation:

brainly.com/question/2972832

6 0
2 years ago
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