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Fynjy0 [20]
3 years ago
5

How do I write -5x2 - 4x + 8 in standard form?

Mathematics
2 answers:
postnew [5]3 years ago
8 0
4x+2 is the answer to your equation
larisa [96]3 years ago
7 0

Answer:

4x + 2

Step-by-step explanation:

-5 x 2 - 4x +8

- 10 - 4x + 8 - negative 5 times 2 = -10

-2 - 4x - negative 10 plus 8 = -2

4x - -2 - switch them around so you have 4x - -2

4x + 2 - two negatives make a positive

You might be interested in
The sum of a number, n, and a number 5 larger than it is 41.
lina2011 [118]

Answer:

36

Step-by-step explanation:

If you set the equation up, it would be n + 5 = 41. If you subtract the 5 from both sides to get n by itself, you get n = 36.

8 0
3 years ago
I need help with number 3 please and thank you
murzikaleks [220]
So here we're dealing with equivalent fractions.
It's really simple to find the answer, so I'll try to explain the best I can.

2 dogs / 5 cats is really just 2/5.
If we want to find an equivalent fraction, we have to multiply the numerator and the denominator by the same number.

Currently the number of cats is 5, and we need it to be 140. What we need to do is find the number it has to be multiplied by to equal 140, which is 140 divided by 5. 140 divided by 5 is 28, so 5 x 28 = 140!

We need to multiply the denominator (5) by 28, so that we can get 140. What we have now is ?/140.

Like I said, to find an equivalent fraction, we need to multiply the numerator by the same number as we did the denominator, which is 28!

2 x 28 = 56.

So 2/5 is the same as 56/140.

The answer is D) 56 Dogs/140 Cats.

Hope this helps!
If you're confused about anything leave me a reply and I'll try to explain the best that I can!
3 0
2 years ago
The population of a town increased from 3650 in 2012 to 4700 in 2014. Find the absolute increase.
aev [14]
Treat this like a slope formula. Y2-y1 divided by x2-x1.
Your y2 value is the second population
Y1= value of first population.
X2= second year they give
X1= first year they give.
4700-3650
_________
2014-2012

1050
____
2

525 is the increase a year
8 0
2 years ago
On a coordinate plane, 2 lines are shown. Line P Q has points (negative 5, 3) and (5, 1). Line R S has points (negative 4, negat
kati45 [8]

Answer:

They are not parallel because their slopes are not equal

Step-by-step explanation:

3 0
1 year ago
let m angle A = 40 degrees. If angle B is a complement of angle A and angle C is a supplement of angle B, find these measures
FinnZ [79.3K]
A= 40 B=50 C=130
.............
7 0
3 years ago
Read 2 more answers
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