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Vikki [24]
3 years ago
6

What are the solutions of the equation 9x4 – 2x2 – 7 = 0? Use u substitution to solve.

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
8 0

Answer:

Step-by-step explanation:

Debora [2.8K]3 years ago
6 0

Answer:

the answer is 25

Step-by-step explanation:

and you get it by multiplying 9×4 keep the answer on paper then do 2×2 which is 4 subtract the two answers and subtract 7 and then you get 25, your welcome

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Anybody got any answers?
musickatia [10]
Hey there!

So, what you would do is . . . 

360÷4 . . .

90÷8=11.5

Area=\boxed{\boxed{11.5}}

Hope this helps.
~Jurgen

4 0
3 years ago
Find the slope of every line that is perpendicular<br> to this one
ArbitrLikvidat [17]

Answer:

1

Step-by-step explanation:

The slope of this line is -1 or -1/1, and to find the perpendicular slope you find the opposite of the reciprocal, which in this case would be 1/1 which simplifies to 1.

7 0
4 years ago
Convert 20 miles in km
Tamiku [17]

Answer:

32.1869

Step-by-step explanation:

Formula :

for an approximate result, multiply the length value by 1.609

<u>help me by marking as brainliest....</u>

4 0
2 years ago
Point A is located at negative 5/8 and point B is located at negative 2/8 . What is the distance between points A and B? (1 poin
Alisiya [41]

Answer:

3/8

Step-by-step explanation:

Just subtract 5/8 by 2/8 and you get 3/8

7 0
3 years ago
Hey anybody able to help? Which expression is equivalent to -5(3x-6/7)?
nalin [4]

Answer:

A: - 15x - 30/7

Step-by-step explanation:

-5 (3x - 6/7)

Just distribute -5 to the values inside the parentheses.

-5 · 3x = -15x

-5 · 6/7 = -30/7

Now form it together:

-15x - 30/7

7 0
3 years ago
Read 2 more answers
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