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Vadim26 [7]
3 years ago
12

Solve for x. Assume that lines appear to diameters are actual diameters.

Mathematics
1 answer:
pav-90 [236]3 years ago
4 0

Answer:

B. 9

Step-by-step explanation:

We know that a full circle should equal 360°, that'll help!

Since the 140°+3x+13 should equal to 180, because that makes the half of the circle it covers, we know how to set up our equation!

It should look like this:

3x+13=40

ISOLATE YOUR VARIABLE:

- Subtract 13 from both sides

NEXT, CONTINUE ISOLATING:

3x=27

- Divide by 3 from both sides.

FINALLY:

You will get X=9!

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Evaluate the following expression. Enter your answer in simplest form.
lara [203]

Answer:

1.6

Step-by-step explanation:

1/   4/2+2^2

2*2=4+2=6

4/6=.6

1/.6=1.6

8 0
3 years ago
Convert 3/50 to a decimal
Marta_Voda [28]

Step 1

Convert the proper fraction to a decimal by using long division to divide the dividend(3)(numerator) by the divisor(50)(denominator)

Hence 3/50 in decimal = 0.06

5 0
2 years ago
Read 2 more answers
Ginger spent $24 at the fair, which was three times the amount she spent last year at the fair. How much money did Ginger spend
zubka84 [21]

Answer:

She spent 8 dollars.

Step-by-step explanation:

24 divided by 3 is 8

5 0
3 years ago
If 2&gt; -a, then a &lt; -2.<br> True<br> False
Nonamiya [84]

Answer:

False

Step-by-step explanation:

Flip the equation.

−a<2

Divide both sides by -1.

a>−2

4 0
3 years ago
Help me understand this problem please
slavikrds [6]

Answer: 49

==============================================

Explanation:

HI is parallel to KL, so this means that the two triangles can be proven similar through the AA (angle angle) similarity theorem.

Consequently, that means we can set up the proportion below

JH/JK = HI/KL

noticed how the left slant sides JH and JK pair up together on one side; the horizontal sides HI and KL pair up on the other side. I have the larger triangle's side lengths as the numerator for each side

Plug in the given values. Solve for HI

JH/JK = HI/KL

35/15 = HI/21

7/3 = HI/21

21*7 = 3*HI

3*HI = 147

HI = 147/3

HI = 49

This means that 35/15 = HI/21 turns into 35/15 = 49/21

Note: to check the answer that the last equation mentioned is true, we can subtract the fraction 49/21 from both sides to end up with 35/15 - 49/21 = 0. If you type "35/15 - 49/21" into your calculator, you should get 0, which will help confirm we have the right answer.

8 0
3 years ago
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