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NISA [10]
2 years ago
13

NEED HELP IMMEDIATELY PLS!

Mathematics
2 answers:
Dmitry [639]2 years ago
4 0

Answer:c

Step-by-step explanation:

c

Citrus2011 [14]2 years ago
4 0

Answer:

D.

Step-by-step explanation:

The equation must be true to have a proportion.

12/20 = 0.6

21/34 = 0.62

A. No

10/15 = 0.666666...

34/60 = 0.566666...

B. No

13/23 = 0.565217...

26/56 = 0.46428...

C. No

25/15 = 1.6666...

85/51 = 1.6666...

D. Yes

Answer: D

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sashaice [31]
<span>2n^2 - 7n - 3 = 0
a = 2
b = -7
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6 0
2 years ago
In circle O, RT and SU are diameters.
nataly862011 [7]

In circle O, RT and SU are diameters. mArc R V = mArc V U = 64°. Thus, option C is correct.

Given that:

mArc R V = mArc V U,

Angle S O R = 13 x degrees

Angle T O U = 15 x - 8 degrees

<h3>How to calculate the angle TOU ?</h3>

∠SOR = ∠TOU  (Vertically opposite angles are equal).

Therefore:

13 x = 15x - 8

Subtracting 13x from both sides

13x - 13x = 15x - 8 - 13x

0 = 15x - 13x - 8

2x - 8 = 0

Adding 8 to both sides:

2x - 8 + 8 = 0 + 8

2x = 8

2x/2 = 8/2  

x = 4

∠SOR = 13x

= 13(4)

= 52°

∠TOU = 15x - 8

= 15(4) - 8

= 60 - 8

= 52°

Let a = mArc R V = mArc V U

Therefore:

mArc R V + mArc V U + ∠TOU = 180 (sum of angles on a straight line)

Substituting:

a + a + 52 = 180

2a = 180-52

2a = 128

a = 128/2

a= 64°

mArc R V = mArc V U = 64°

In circle O, RT and SU are diameters. mArc R V = mArc V U = 64°. Thus, option C is correct.

Learn more about angles here:

brainly.com/question/2882938

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6 0
1 year ago
Solve for x<br> please help !!
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Answer:

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Step-by-step explanation:

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8 0
3 years ago
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Vitek1552 [10]

Answer:

A

Step-by-step explanation:

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3 years ago
Use a number line to explain why --15 ÷ 3 =-15
Diano4ka-milaya [45]
It's equal to -15 because you are dividing by an negative and if it's only 1 negative number in your equation then your answer will be a negative and if it's 2 negatives then it would be a positive answer
7 0
3 years ago
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