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IceJOKER [234]
3 years ago
11

Help me with this pls

Mathematics
1 answer:
MArishka [77]3 years ago
5 0

Answer:

C. 35+5x=90

Step-by-step explanation:

to find x they must add to 90 degrees

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A box of granola bars contains 3 chocolate chip bars, 2 peanut butter bars, 1 lemon bar and 4 raisin bars. Tasha will randomly s
jeyben [28]

Answer:

FOR LEMON = 1/10

FOR RAISIN = 4/9

Step-by-step explanation:

7 0
3 years ago
Hurry pleaseeee taking a test Which expression is equivalent to 30°? Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2
nika2105 [10]

Answer:

Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)

Step-by-step explanation:

According to trigonometry identity;

Cos 30° = √3/2

To get the expression equivalent to 30°, we will take the inverse of both sides as shown;

Cos^-1(cos 30°) = cos^-1(√3/2)

The arccos will cancel out the cos on the left hand side of the equation to have;

30° = cos^-1(√3/2)

Hence 30° is equivalent to inverse of cosine of √3/2 or Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)

8 0
3 years ago
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−5(x + 4) + 21 ≥ −3 + 4(x − 8)
wariber [46]

Step-by-step explanation:

-5x - 20 +21 > - 3 +4x - 32

-5x +1 > 4x - 35

-5x +4x > - 35 +5

-1x>-30

Divide by - 1

x >30

Am I right??

8 0
3 years ago
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A child is 2 -1/2 feet tall. The child’s mother is twice as tall as the child. How tall is the child’s mother
Len [333]

Answer:

  5 feet

Step-by-step explanation:

"Twice as tall" means "2 times as tall".

  2 × (2 1/2 ft) = (2 × 2 ft) +(2 × (1/2 ft)) = 4 ft + 1 ft = 5 ft

The child's mother is 5 feet tall.

7 0
3 years ago
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Find the difference.<br> 100 – (-87)
Firlakuza [10]

Answer: 187

Step-by-step explanation:

negative cancels negative so that will turn to positive. (-) x (-) = +

100- (-87)

=

100 + 87

= 187

5 0
3 years ago
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