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White raven [17]
3 years ago
7

HELPPPPP. I’ve spent like 20 minutes on this already pleaseeee

Mathematics
1 answer:
alexandr402 [8]3 years ago
5 0

Answer:

x=126

x-30=96

Step-by-step explanation:

(x-30) +(x-30) + (x-30) + x + x =540

5x-90=540

5x=630

x=126

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Simplify <br> (-8.5) (-5) (-2).
Ber [7]

Answer:

-85

Step-by-step explanation:

(-8.5)(-5)(-2)

=(-8.5)(10)

=-85

8 0
3 years ago
If 1/4 of x is 1/5, what is x
mamaluj [8]

Answer:

4/5

Step-by-step explanation:

if 1/4 of x is 1/5 that means there is 4 sets of 1/5

so 4*1/5= 4/5

your answer is 4/5

3 0
3 years ago
Read 2 more answers
I need to know the answer to this problem please
Westkost [7]
FOIL when multiplying two binomials.

First:
√ 3*√ 3= 3

Outer:
√ 3 *2 = 2√3

Inner:
-4*√3= -4√3

Last:
-4*2=-8

Put it together
3+2√3-4√3-8

Simplify
(-2√3)-5

Final answer: (-2√3)-5
7 0
3 years ago
This is due in a hour, plz help.
Alika [10]

Answer:

<u>To solve for x using the exterior angle thm:</u>

3x + 6x = 99

9x = 99

x = 11

<u>m<T:</u>

3x

3(11)

33

<u>m<W:</u>

6x

6(11)

66

<u>m<TUW:</u>

180 - 99

81

7 0
3 years ago
Out of 190 CDs tested, 26 are defective. Estimate the number of defective CDs in a batch of 1000.
liberstina [14]

Divide the number of defective by the number checked:

26/190 = 0.1368

Multiply that by 1000:

0.1368 x 1000 = 136.8

Round up to 137

Out of 1000 cd’s 137 would be defective

3 0
3 years ago
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