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Molodets [167]
2 years ago
13

Help please! Will give brainliest to best CORRECT answer! You need a ladder that will reach up a 25 foot tall house when placed

10 feet away from the house. How tall does the ladder need to be?
A. 25 feet
B. 27 feet
C. 26 feet
D. 28 feet
Thank you and have a great day! <)
Mathematics
2 answers:
timurjin [86]2 years ago
6 0

Answer:b 27 feet

Step-by-step explanation:You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house.

lakkis [162]2 years ago
5 0

Answer:

The answer is <u><em>27.</em></u>

Step-by-step explanation:

I'm sorry I really don't know how to explain it but here is the answer

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Sunshine High School claims that 72% of its students complete their homework on a daily basis. Ms. Carter surveyed 80 students a
Ulleksa [173]

Answer: z equals 0.60 minus 0.72 all over the square root of the quantity 0.72 times 0.28 over 80

Step-by-step explanation:

let p be the population proportion of students complete their homework on a daily basis.

As per given , we have

p= 0.72

sample size : n= 80

Sample proportion : \hat{p}=0.60

Test statistic for proportion:

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

i.e.

z=\dfrac{0.60-0.72}{\sqrt{\dfrac{0.72(1-0.72)}{80}}}

i.e.

z=\dfrac{0.60-0.72}{\sqrt{\dfrac{0.72(0.28)}{80}}}

That is , z equals 0.60 minus 0.72 all over the square root of the quantity 0.72 times 0.28 over 80

6 0
3 years ago
HELP ME PLEASE WILL GIVE BRAINLIEST! The following set of coordinates represents which figure? (1, 1), (1, 4), (5, 4), (5, 1) (4
Nikolay [14]

Answer lol

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
PLEASE HELP QUICK!
Ket [755]

Answer:

i got 2808 in3 which wasn't on the list and i was extremely confused, i redid the problem multiple times and got the same answer, i used a calculator AND searched of the web, it still gave me the same answer, if those are the only options something might be wrong, the answer should be 2808 in3.

5 0
2 years ago
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Type the integer that makes the following subtraction sentence true.<br><br> ?-(-5)=7
larisa [96]

Answer:

the answer is 2

Step-by-step explanation:

2-(-5)=7

remember keep,change,flip

the new equation will be

2+5=7

5 0
2 years ago
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Find the product of following:(i) (x+3) (x+2) (ii) (2x-1) (2x-7)​
Inga [223]

Part (i)

<h3>Answer:  x^2 + 5x + 6</h3>

-----------------

Work Shown:

(x+3)(x+2)

y(x+2) ..... Let y = x+3

y*x + y*2 ... distribute

x(y) + 2(y)

x(x+3) + 2(x+3) .... plug in y = x+3

x*x + x*3 + 2*x + 2*3 ... distribute

x^2 + 3x + 2x + 6

x^2 + 5x + 6

=====================================================

Part (ii)

<h3>Answer:  4x^2 - 16x + 7</h3>

-----------------

Work Shown:

We could follow the same set of steps as shown back in part (i), but I'll show a different approach. Feel free to use the method I used back in part (i) if the visual approach doesn't make sense.

The diagram below is a visual way to organize all the terms. Many textbooks refer to it as "the box method" which helps multiply out any two algebraic expressions.

Each inner cell is found by multiplying the corresponding outer terms. For instance, in the upper left corner we have 2x*2x = 4x^2. The other cells are filled out the same way.

The terms in those four inner cells (gray boxes) are:

  • 4x^2
  • -14x
  • -2x
  • 7

The like terms here are -14x and -2x which combine to -16x, since -14+(-2) = -16.

We end up with the answer 4x^2-16x+7

8 0
3 years ago
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