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vesna_86 [32]
3 years ago
12

On a scale drawing, the scale factor is 1/12. A plum tree is 7 inches tall on the scale drawing. What is the actual height of th

e tree
Mathematics
1 answer:
kicyunya [14]3 years ago
6 0

Answer:

84 in . . . or . . . 7 ft

Step-by-step explanation:

The given scale is the ratio of drawing size to real size.

  1/12 = (7 in)/(actual height)

Multiplying this equation by 12(actual height) gives ...

  actual height = 12·7 in

  actual height = 84 in = 7 ft

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Find the 100th term for the sequence. -9,-4, 1, 6, 11, .......
Paraphin [41]

Answer:

486

Step-by-step explanation:

for the 2nd term, add 5 to -9

for the 3rd, add 5 × 2 to -9

for the 4th, add 5 × 3 to -9

:

for the 100th, add 5 × (100 - 1) to -9

=> 5 × 99 + (-9)

=> 486

8 0
2 years ago
A group of students wanted to investigate the claim that the average number of text messages sent yesterday by
Likurg_2 [28]
First we need to write the null and alternate hypothesis for this case.

Let x be the average number of text message sent. Then

Null hypothesis: x = 100
Alternate hypothesis: x > 100

The p value is 0.0853

If p value > significance level, then the null hypothesis is not rejected. If p value < significance level, then the null hypothesis is rejected.

If significance level is 10%(0.10), the p value will be less than 0.10 and we reject the null hypothesis and CAN conclude that:
The mean number of text messages sent yesterday was greater than 100.

If significance level is 5%(0.05), the p value will be greater than 0.05 and we cannot reject the null hypothesis and CANNOT conclude that:
The mean number of text messages sent yesterday was greater than 100.
7 0
3 years ago
6 x (8 - 3) = (? x 8) - (? x 3) what are the answers for the question marks?
Elina [12.6K]

6 x (8 - 3) =

(6 x 8) - (6 x 3)

The answer is 6


3 0
3 years ago
Read 2 more answers
Help regular 7th grade math​
Reptile [31]

Answer:

Y = <u><em>5x</em></u> + <em><u>3</u></em>

Now for the other one if your asking is:

Y = <em><u>-12x</u></em> + <em><u>4</u></em>

<em><u /></em>

Hope this helped if so please mark brainlist!

3 0
3 years ago
A polynomial equation has only imaginary roots and no real root. Which options CANNOT be the degree of that polynomial? (Select
puteri [66]

we know that

Imaginary roots will come in pairs, and so the degree must be even.

therefore

the answer is

options

B. 3

E. 7

7 0
3 years ago
Read 2 more answers
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