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sattari [20]
3 years ago
14

Which of the following equations correctly represents the law of cosines?

Mathematics
1 answer:
dusya [7]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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Find the slope of the line passing through the points (-9, 7) and (7, 7)
Lina20 [59]

Answer:

The slope is zero.

Step-by-step explanation:

8 0
3 years ago
lucas lives 5/8 mile from school.kenny lives twice as far as lucas from school.how many miles does kenny live from school
dexar [7]
<span><span>1.       </span>Lucas Lives 5/8 miles from their schools
=> 5/8 miles is equals to:
=> 5 / 8 = 0.625 miles.
Now, the problem says that Kenny lives twice as far as Lucas from their school.
Therefore, we only need to multiply the total number of miles of Lucas distance from house to school to be able to get what is the distance of Kenny’s house to school
=> 0.625 * 2 = 1.25 miles or 1 and ¼ miles.</span>



3 0
3 years ago
if ashley is in the 85th percentile and the mean of her test scores is 80 with a standard deviation of 15, which of the followin
kkurt [141]
The 85th percentile is a probability of 0.85 and its location is shown in the bell curve below 

We need to look up on the z-table the value of z when P(Z<z) = 0.85 or P(Z>z) = 0.15

Value of z-score when p-value P(Z>z) = 0.15 is z = 1.0364

Next step is to use the formula of z-score to work out X
z-score = (X-μ) / σ
1.0364 = (X-80) / 15
1.0364 × 15 = X - 80
X = 15.546 + 80
X = 95.5

Most likely score that Ashley gets is 95.5


8 0
3 years ago
Read 2 more answers
What are the answers to the following?
hram777 [196]
90%=0.9
30%=0.3
115.9%=1.159
9%=0.09
7%=0.07

0.452=45.2%
0.006=0.6%
0.002=0.2%
0.05=5%
4.78=478%
5 0
2 years ago
V = 1/3Bh<br> Solve <br> for b
Lena [83]
Need more info for your question.—- and ye
3 0
3 years ago
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