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Zolol [24]
2 years ago
11

I need help ASAP! I don’t understand this so I was hoping anyone would help

Mathematics
1 answer:
Pavel [41]2 years ago
8 0
199.8, just use the Pythagorean theorem (a^2 + b^2 = c^2) where a is 24 and b is 18, once you find c multiply c by 6 to get your answer. C should be 33.286
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Please help no du mb answers
vladimir1956 [14]

Answer:

A = (-2,5)

B = (5,5)

the distance between the points is 7

Step-by-step explanation:

6 0
3 years ago
Given that Triangle ABC such that<br>a=8cm, b=7cm and c=9cm<br>tem and c= 9cm find Cos B​
charle [14.2K]

Answer:

We use cosine rule also called cosine law which states

c^2=a^2+b^2-2abcosC

given

a=8cm, b=7cm, c=9cm cos C?

9^2=8^+7^2-2*8*7 cos C

expand

81=64+49-112 cos C

like terms together

81-113=-112 cos C

-32=-112cos C

multiply both sides by -1

32=112cos C

divide both sides by 112

32/112=cos C

cosC=0.2857

find cos inverse of 0.2857

angle C= 73.40

4 0
3 years ago
If x is 5, then 6x=<br><br> 1. 30x <br><br> 2. 5x<br><br> 3. 30
Fittoniya [83]

Answer:

30

Step-by-step explanation:

6*5=30

3 0
3 years ago
Read 2 more answers
The mayor of a town has proposed a plan for the construction of a new community. A political study took a sample of 800 voters i
Hunter-Best [27]

Answer:

A political strategist wants to test the claim that the percentage of residents who favor construction is more than  30%, so then that represent our claim and needs to be on the alternative hypothesis.

Based on this the correct system of hypothesis are:

Null hypothesis: p \leq 0.3

Alternative hypothesis p >0.3

Step-by-step explanation:

We have the following info given from the problem:

n= 800 the random sample of voters selected from the town

\hat p = 0.34 represent the proportion of residents favored construction

p_o = 0.30 represent the value desired to test.

A political strategist wants to test the claim that the percentage of residents who favor construction is more than  30%, so then that represent our claim and needs to be on the alternative hypothesis.

Based on this the correct system of hypothesis are:

Null hypothesis: p \leq 0.3

Alternative hypothesis p >0.3

And in order to test this hypothesis we can use a one sample z test for a population proportion and the statistic would be given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

And with the data given we have:

z=\frac{0.34 -0.3}{\sqrt{\frac{0.3(1-0.3)}{800}}}=2.469  

7 0
2 years ago
Write the following inequality in slope-intercept form. 6x+2y≤-46
Furkat [3]

Answer:


Step-by-step explanation:

y=mx+b

y less than or equal to -3x-23


7 0
2 years ago
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