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sukhopar [10]
3 years ago
12

52" alt=" {x}^ {2} - 29 = 52" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
AleksAgata [21]3 years ago
4 0
X is equal to 9 and -9
You might be interested in
-2r + 3 is greater than or equal to 19 on a number line?
lozanna [386]

Answer:

r<=-8 or                     r is less than or equal 8

Step-by-step explanation:

-2r+3>=19

-2r>=16

r<=-8

you flip the sign when the variable is a negative. To plot this on a number line place a close circle on -8 moving to the left direction.

4 0
3 years ago
Do a + a + a + a and 4a a have the same value for any value of ? Explain how you know.
katrin2010 [14]
Yes

Because:

a + a + a + a = 4a
8 0
3 years ago
Read 2 more answers
- 2(x + 3) + 2(x + 4) = 24​
ANTONII [103]

Answer: no solution

Step-by-step explanation:

First lets simplify

-2(x+3) + 2(x+4) = 24

-2x - 6 + 2x + 8 = 24

We can simplify this further by combining like terms

2=24 is the equation we get after combining like terms.

Since 2 is not equal to 24, the answer is no solution.

5 0
3 years ago
Read 2 more answers
The rectangle below has an area of 70 square meters.
nasty-shy [4]

Answer:

The side lengths are 10 by 7

Step-by-step explanation:

The area of a rectangle is

A = l*w

70 = (x - 11)(x - 8)

FOIL

70 = x^2 -8x-11x+88

Combine like terms

70 = x^2 -19x +88

Subtract 70 from each side

0 = x^2 -19x +88-70

0 = x^2 -19x+18

Factor

What number multiplies to 18 and adds to -19

-18*-1 =18

-18-1 = -19

0=(x-18)(x-1)

Using the zero product property

x-18=0   x-1=0

x=18   x=1

But x cannot x=1 because then the side lengths would be negative

x-18 = 10

x-11 = 7

The side lengths are 10 by 7

4 0
3 years ago
Stella and Ryan are working on their math homework. It takes Stella h hours and m minutes to complete her assignments. Ryan was
Gnom [1K]
In fact, none of the above. It is 2(60h+m).
6 0
4 years ago
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