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ira [324]
9 months ago
9

The first equation should be multiplied by 7 and the second equation by -6.

Mathematics
1 answer:
Setler [38]9 months ago
6 0

Answer:

Step-by-step explanation:

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Help SOS Help SOS<br><br> I Dont Know The Answer
SVEN [57.7K]

Answer: 70:80

Step-by-step explanation: I believe this is correct

8 0
2 years ago
(-5x2 – 43 – 1) +(-4x2 – 4x)
emmainna [20.7K]

Answer:

−9x 2 -44-4x

Step-by-step explanation:

1 Simplifica  -5{x}^{2}-43-1−5x

2

−43−1  a  -5{x}^{2}-44−5x

2

−44.

-5{x}^{2}-44-4{x}^{2}-4x

−5x

2

−44−4x

2

−4x

2 Colecciona los términos semejantes.

(-5{x}^{2}-4{x}^{2})-44-4x

(−5x

2

−4x

2

)−44−4x

3 Simplifica.

-9{x}^{2}-44-4x

−9x

2

−44−4x

listo  espero te halla ayudado

4 0
2 years ago
Find the sum 9/16+10/13
Dima020 [189]

Answer:

277/208

Step-by-step explanation:

9/16+10/13

=277/208

8 0
3 years ago
The area of a rectangle is 54 m2 , and the length of the rectangle is 3 m more than twice the width. find the dimensions of the
Elina [12.6K]
L = 3 + 2w

Find the width
Area = 54
l × w = 54
(3 + 2w) × w = 54
3w + 2w^2 = 54
2w^2 + 3w - 54 = 0
(2w - 9)(w + 6) = 0
w = 9/2 or w = -6 (width shouldn't be negative)
w = 9/2
w = 4.5 m

Find the length
l = 3 + 2w
l = 3 + 2(4.5)
l = 3 + 9
l = 12 m

The width is 4.5 m, the length is 12 m
6 0
3 years ago
Which scenarios can be represented by a ratio of 4 : 5 ?
KonstantinChe [14]

Answer:

There are many scenario's.

Step-by-step explanation:

1.4:5

2.4/5

3.4÷5

5 0
2 years ago
Read 2 more answers
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