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Rasek [7]
3 years ago
5

Line t has a slope of -9/2 line u is parallel to t what is the slope of u

Mathematics
1 answer:
erik [133]3 years ago
5 0

Answer:

the slope of the parallel line would also be -9/2

Step-by-step explanation:

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5x+8=3x-6 plz help me asap
Ray Of Light [21]

Answer:

x = -7

Step-by-step explanation:

5x+8=3x-6

Subtract 3x from each side

5x-3x+8=3x-3x-6

2x+8 = -6

Subtract 8 from each side

2x+8-8 = -6-8

2x = -14

Divide by 2

2x/2 = -14/2

x = -7

6 0
3 years ago
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Solve the right triangle ABC with right angle C if B=30 degrees and c=10.
kenny6666 [7]
C=10, C=90°, B=30°, A+B+C=180°
A+30°+90°=180°⇒A=60°

cos30°=a/c
cos30°=a/10⇒a=cos30°*10
a<span>≃8.6602


c²=a²+b²⇒b²=c²-a²
b²=10²-8.6602²⇒b²=25
b=5
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3 0
3 years ago
Read 2 more answers
Here you go btidwill1862
alexandr1967 [171]

i looked it up

359.18876

7 0
3 years ago
Which expression is equivalent to 3(4x+10÷2+3)?<br> a 12x+2<br> b 12x+6<br> c 12x+8<br> d 12x+24
elena-14-01-66 [18.8K]

Answer:

12x+2

Step-by-step explanation:

7 0
2 years ago
Which of the following regarding the power of a significance test is/are correct? Select all that apply.As the effect size incre
Tanya [424]

According to the theory on the <em>effect size</em> the following statements are correct:

<em>As the standard deviation increases, the power of the test increases</em>. An increment of the standard deviation means that a larger sample size is required for the test and a larger sample size implies that the power increases, which means that as the standard deviation increases the power also increases.

<em>As the sample size increases, the power of a test increases</em>. When the sample size increases the amount of information increases, this means that the probability of rejecting H0 given that H0 is false increases. In other words, the probability that the significance test performs according to reality is larger.

3 0
3 years ago
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