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8_murik_8 [283]
3 years ago
10

Simplify the expression. (–2 – c)(–1)

Mathematics
1 answer:
Akimi4 [234]3 years ago
4 0

Answer: 2+c

Step-by-step explanation: Simplify the expression.

Hope this helps you out! ☺

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Use the correct function to find the missing angle y measurement to the
Doss [256]

Answer:

Cos;

26 degrees

Step-by-step explanation:

Recall: SOH CAH TOA

Reference angle = y°

Adjacent side = 18 in.

Hypotenuse = 20 in.

We would apply the trigonometric function CAH since we are dealing with the Adjacent side (A) and the Hypotenuse (H). Thus:

Cos y° = Adj/Hyp

Cos y° = 18/20

Cos y° = 0.9

y° = cos^{-1}(0.9)

y = 25.8419328° ≈ 26 degrees (nearest whole degree)

The answers are:

Cos and 26 degrees

4 0
2 years ago
Please I need help and I give brainliest thank you!!
Marysya12 [62]

Answer:

i believe it is x=4

Step-by-step explanation:

10x+7=12x-1

7=12x−1−10x

8=2x

divide

x=4

6 0
3 years ago
X^2+ 3 has a value of 28. What term in the sequence has a value of 28?
VikaD [51]

Answer:

5th term

Step-by-step explanation:

x^2 +3 = 28

Subtract 3 from each side

x^2+3-3 =28-3

x^2 = 25

Take the square root of each side

sqrt(x^2) = sqrt(25)

x = 5

(x could be -5, but there are not usually negative terms in a sequence)

5 0
2 years ago
Read 2 more answers
If Q is the midpoint of segment PR, PQ = 17 cm, then what is the total length of PR?
Tpy6a [65]

Answer:

34 cm

Step-by-step explanation:

PR = PQ + QR

PQ = QR because Q is the mid-point

Since PQ = 17 cm, then QR = 17 cm

so,

PR = 17 + 17

PR = 34 cm

6 0
2 years ago
What is a composite number between 70 and 80 and has a factor of 11
olganol [36]
The ONLY multiple of 11 that's between 70 and 80 is 77 .
5 0
3 years ago
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