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just olya [345]
2 years ago
10

More math i need help in

Mathematics
1 answer:
nika2105 [10]2 years ago
4 0

Answer:

It is B

Step-by-step explanation:

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Determine the value for x in the picture below.
Angelina_Jolie [31]

Answer:

x=9

Step-by-step explanation:

Similar triangles

8/20 = 6/(x+6)

==> 2/5 = 6/(x+6)

2/5x+12/5=6

2/5x=18/5

x=9

8 0
3 years ago
Read 2 more answers
Which shows how to solve the equation Three-fourths x = negative 6 for x in one step?
tino4ka555 [31]

Answer:

x = -8

Step-by-step explanation:

Let's put this into numbers: \frac{3}{4}x =-6

The first thing you want to do is to multiply both sides by 4:

3x=-24

Next you need to divide by 3:

x=-8

The answer is -8

5 0
3 years ago
Tamika has a spinner with 5 equal sections- red, blue, yellow, and purple. she plans to pin it 150 times predict how many times
Alexxandr [17]

Number times landing on green) = 150 * 1/5 = 30

Number times landing on yellow = 150 * 1/5 = 30

Answer 60 times

6 0
3 years ago
a vertical pole 10 ft. tall casts a 14-foot shadow. what is the angle of elevation of the sun to the nearest degree?
PtichkaEL [24]
Draw a right triangle.

tan(theta) = \frac{opposite}{adjacent}

tan(theta) = \frac{10}{14}

Arctangent (tan^-1) can be used to find theta.

tan^{-1}(\frac{10}{14})=theta

theta\ is\ approx\ \boxed{36\ degrees}

8 0
4 years ago
What is x (in degrees)
spin [16.1K]

Step-by-step explanation:

The reason why all the addition of the all the triangle's angles is equal to 180° is because it's a rule

REMEMBER THAT RULE !!!!

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below =)

3 0
4 years ago
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