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stich3 [128]
3 years ago
5

X^2 - 2x - 63 = 0 Complete the square

Mathematics
1 answer:
masha68 [24]3 years ago
4 0

Answer

x=9,-7

Step-by-step explanation:

Using the formula (b/2)^2 to create a new term and then solve x

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Please show work, i’ll mark as brainliest
bulgar [2K]

Answer:

y=4

x=-3

Step-by-step explanation:

4(-3)-9y=-48

-12-9y=-48

-9y=-36

y=4

x=-3

4 0
3 years ago
Read 2 more answers
-x^(2)-12=-87<br><br> Please explain your answer, and how I make the x positive
spayn [35]
Solve for x over the real numbers:
-x^2 - 12 = -87
Add 12 to both sides:
-x^2 = -75
Multiply both sides by -1:
x^2 = 75
Take the square root of both sides:
Answer:  x = 5 sqrt(3) or x = -5 sqrt(3)  both Answers are correct
7 0
3 years ago
A cylindrical container has a volume of 36 cm³. Another container made out of the same material is similar to the first containe
USPshnik [31]
I hope this helps you



Volume = pi.r^2.h


36= pi.r^2.h



Volume =pi.r^2.3/4h


Volume =pi.r^2.h.3/4


Volume =36.3/4


Volume =9.3


Volume =27

3 0
3 years ago
Read 2 more answers
Yousuf needs 7 4/9 yards of fabric to make blanket for his mom for Mother’s Day. He found 3 1/3 yards of pink fabric. How much m
ad-work [718]
The answer is B!
Hoped I Helped!
If I’m wrong don’t blame me
6 0
3 years ago
Read 2 more answers
There are several ways you might think you could enter numbers in WebAssign, that would not be interpreted as numbers. N.B. Ther
Vikki [24]

Answer:

a) 1.56e^{-9}

b) -4.99

d) 1.9435

Step-by-step explanation:

We are given certain rule to identify number. We have to identify from the entries that can be interpreted as numbers.

a) 1.56e-9

This a number as there are no spaces, no comma, no units.

b) -4.99

This a number as there are no spaces, no comma, no units.

c) 40O0

This is not a number as 0 is substituted by O.

d) 1.9435

This a number as there are no spaces, no comma, no units.

e) 1.56 e-9

This is not a number as it contains a space.

f) $2.59

This is not a number as it contains a dollar sign.

g) 3.25E4

This is not a number as it contains alphabet.

h) 5,000

This is not a number as there is a comma in the given.

i) 1.23 inches

This is not a number as it contains a unit.

5 0
3 years ago
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