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Naily [24]
2 years ago
13

Are the ratios 2:3 and 8:12 equivalent? Justify you answer.

Mathematics
1 answer:
Lunna [17]2 years ago
3 0

Answer:Yes

Step-by-step explanation:You are multiplying the ratios by 4

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10. A local
professor190 [17]

Answer:

39.7%

Step-by-step explanation:

(actual value - estimated value) / actual value

5.8 - 3.5 = 2.3

2.3 / 5.8 = 0.3965 = 39.65%

5 0
3 years ago
Your friend claims that it is possible to draw a right triangle where the cosine of either angle (theta) is exactly the same val
avanturin [10]

Answer:

B. No

Cos \ \theta\neq Cos (90-\theta)\textdegree

Step-by-step explanation:

-A right angle triangle has two complimentary acute angles and one right angle.

-\theta is usually one of the acute angles and is equivalent to 90º minus it's complimentary acute angle.

-Complimentary angles add up to 90º.

#For complimentary angles:

Sin \ \theta=Cos \ (90-\theta)\textdegree\\\\Cos \ \theta=Sin(90-\theta)\textdegree\\\\\therefore Cos \ \theta\neq Cos (90-\theta)\textdegree

The two acute angles cannot have the same Cosine value.

Hence, she's not correct.

5 0
3 years ago
Complete the solution of the equation. Find<br> the value of y when x equals -4.<br> x + 3y = 14
LekaFEV [45]

Answer:

y = 6

Step-by-step explanation:

-4 + 3y = 14

+4            +4

3y = 18

----   ----

3      3

y = 6

4 0
3 years ago
Write on equation if the slope is 3/4<br> and the y-intercept is -4,
KonstantinChe [14]

Answer:

thw abswer os tywentr yaxel

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The chart below describes the speed of four runners. Which runner is the fastest?
tensa zangetsu [6.8K]

Answer:

Runner B

Step-by-step explanation:

speed = distance ÷ time

Runner A: 1 ÷ 8 = 0.125m/ms

Runner B: 2 ÷ 10 = 0.2m/ms

Runner C: 3 ÷ 20 = 0.15m/ms

Runner D: 5 ÷ 30 = 0.17m/ms

Runner B has the highest speed so he is the fastest runner.

6 0
2 years ago
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