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anzhelika [568]
4 years ago
7

What is the y-intercept of a line that has a slope of -3 and passes through point (0, -7)?

Mathematics
1 answer:
KengaRu [80]4 years ago
4 0

Answer:

Step-by-step explanation:

line equation:  y=mx + C

substitute given values

-7 = -3*0 + C

C=y= -7      ANS

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Peter wants to test an assumption on the number of trees that tested positive for a particular infestation. He decides to focus
LUCKY_DIMON [66]

Answer:

H0 : P ≤ 0.12

H1 : P > 0.12

Step-by-step explanation:

12% = 12/ 100 = 0.12

Given the population proportion, P = 0.12

The claim is the alternative hypothesis, H1 ; which is to test if more than 12% of trees have been infested.

Hence, the alternative hypothesis will be ;

H1 : P > 0.12

The null hypothesis which is the initial truth is always the opposite of the alternative hypothesis, Therefore, we write our null as ;

The null hypothesis ; H0 : P ≤ 0.12

Therefore, we have :

H0 : P ≤ 0.12

H1 : P > 0.12

4 0
3 years ago
To find the area of a triangle, you can use the expression b times h divided by 2, where b is the base of the triangle and h is
vladimir1956 [14]

Answer:

16  sq. units

Step-by-step explanation:

<u>The formula for the area of a triangle:</u>

  • A = 1/2bh

<u>If base and height are known as:</u>

  • b = 8 units and h = 4 units

<u>Then the area is:</u>

  • A = 1/2*8*4 = 16 sq. units
4 0
3 years ago
A medium water hose can fill a pool in 30 minutes. A larger water hose can fill the same pool in 20 minutes. If both hoses are t
Reptile [31]
10 minutes I'm pretty sure. My calculations may be off but at least I tried
5 0
4 years ago
What is 9*10^-5 in standard notation
kvasek [131]

Answer:

[see answer below]

Step-by-step explanation:

9*10^{-5}

We would move the decimal 5 places to the left.

9*10^{-5}\\\\\rightarrow\boxed{0.00009}

Hope this helps!

3 0
3 years ago
PLease help me dont answer if u dont know
sdas [7]

Answer:

a_n=-8+(n-1)-7

Step-by-step explanation:

General arithmetic sequence formula: a_n=a_1+(n-1)d

where a_1 = first term, and d = common difference.

The first term is -8

And the common difference appears to be - 7 as 7 is subtracted to get to the next term. Ex. -8 - 7 = -15, -15 - 7 = - 22 and so on.

To get the explicit formula of the sequence we simply plug in the values of a1 and d the general arithmetic sequence formula

General formula: a_n=a_1+(n-1)d

We have a_1=-8 and d = -7

So the formula to find the nth term would be

a_n=-8+(n-1)-7

4 0
3 years ago
Read 2 more answers
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