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Kruka [31]
3 years ago
12

Eight more than four times a number is -12

Mathematics
1 answer:
marissa [1.9K]3 years ago
5 0
4x+8=-12
4x=-20
x=-5

just look at the equation above :)
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Suppose f(x)=4x-2 and g(x)=-2x+1. Find the value of f(5)/g(-3)
IrinaVladis [17]

Answer:

17/7 (2 3/7 or 2. 428571...)

Step-by-step explanation:

f(x) = 4x-2

Find f(5)

  • f(5) = 4(5)-3
  • f(5) = 20-3
  • f(5) = 17

g(x) = -2x+1

Find g(-3)

  • g(-3) = -2(-3)+1
  • g(-3) = 6+1
  • g(-3) = 7

Find f(5)/g(-3)

  • f(5)/g(-3)
  • 17/7 (2 3/7 or 2. 428571...)
7 0
4 years ago
Cos B =<br>tan B =<br>sin B =​
Oduvanchick [21]

The three main trig functions are sine (written as sin), cosine (written as cos), and tangent (written as tan).

Sine of an angle = the length of the side opposite (aka across) the angle / the length of the hypotenuse

Cosine of an angle = the length of the side adjacent (aka the side next to which isn't the hypotenuse) to the angle / the length of the hypotenuse

Tangent of an angle = the length of the side opposite of the angle / the length of the side adjacent to the angle.

The acronym to remember this is SOHCAHTOA

SOH | CAH | TOA

SOH means sin(x) = opposite/hypotenuse

CAH means cos(x) = adjacent/hypotenuse

TOA means tan(x)= opposite/adjacent

cosB = length of adjacent side/length of hypotenuse = 7/25

tanB = length of opposite/length of adjacent = 24/7

sinB = length of opposite/length of hypotenuse = 24/25

8 0
3 years ago
What is the answer to 32-4y=8​
tino4ka555 [31]

Answer:

y = 6

Step-by-step explanation:

You subtract 32 from both sides and divide by -4.

5 0
3 years ago
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Question 3 (2 points)
enot [183]

9514 1404 393

Answer:

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Step-by-step explanation:

For input value x, m(x) is the output value.

m(7) is the output value of the function m(x) when x=7.

p(7) is the output value of the function p(x) when x=7.

The statement m(x) = p(x) for x=7 is a statement that the output values are the same at x=7.

7 0
4 years ago
How long is a guy wire reaching from the top of a 21ft. Pole to a point on the ground 15ft. From the pole
vovikov84 [41]

Answer:

26ft

Step-by-step explanation:

This would form a triangle so you would use Pythagorean theorem to find the hypotenuse ( the longest side )

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