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kirill115 [55]
3 years ago
11

How do you solve -2(4-x)-5=11 ?

Mathematics
1 answer:
zlopas [31]3 years ago
3 0

Answer:

x =12

Step-by-step explanation:

we have:

-2(4-x)-5=11

apply distributive property:

-2*4 +2*x -5=11

we have:

-8 +2x -5 =11

2x -13 =11

2x = 11+13

2x= 24

x = 24/2

finally we have the x value:

x =12

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in triangle PQR the measure of angle R=90, QP=73, RQ=55, and PR=48. what is the value of the sine of angle P to the nearest Hund
alexandr402 [8]

Answer:

P ≈ 48.89°(nearest hundredth)

Step-by-step explanation:

The triangle PQR forms a right angle triangle since angle R is 90°. The triangle has an hypotenuse , adjacent and opposite side.

Using the SOHCAHTOA principle one can find the sine ratio of angle P. Let us designate where each side represent.

opposite side(QR) = 55

adjacent side(PR) = 48

hypotenuse(PQ) = 73

sin P = opposite/hypotenuse

sin P = 55/73

P = sin⁻¹ 55/73

P = sin⁻¹ 0.75342465753

P = 48.8879095605

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5 0
3 years ago
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Answer:

Work:

x^2 + 4x - 4 = 8

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Step-by-step explanation:

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3 0
3 years ago
Can someone please help me with this
LenKa [72]

Just guess and check. For example, for the first on the left, I guessed 3 to begin with. 3 + 3 + 3 = 9, but 10 + 3 = 13, so 3 is not the answer. I then guessed 5. 5 + 5 + 5= 15, and 10 + 5= 15, so star = 5.

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emmainna [20.7K]
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The <em><u>correct answer</u></em> is:

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Very small numbers are written in scientific notation using negative exponents.

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Since a ladybug is very small, we would use the very small scientific notation, which uses negative exponents.

8 1
3 years ago
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