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Gnoma [55]
3 years ago
11

How tall is a tree which is 15 feet shorter than a pole that is 3 times as tall as the tree?

Mathematics
1 answer:
Citrus2011 [14]3 years ago
7 0
<h2>Height of tree is 7.5 feet</h2>

Step-by-step explanation:

Let t be the height of pole.

Given that the tree is 5 feet shorter than a pole.

Height of pole = t + 15

Also given that the pole is 3 times as tall as the tree.

Height of pole = 3t

So we have

              t + 15 = 3t

                 2t = 15

                   t = 7.5 feet

Height of tree = 7.5 feet

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4x-10=30<br> 2n-7=30 <br> S/3+2=4
emmasim [6.3K]

Answer:

x=10 n=18.5 s=6

Step-by-step explanation:

4x-10=30

Add 10 to both sides

4x-10+10=30+10

4x=40

Divide by 4 on both sides

(4x)/4=40/4

x=10

2n-7=30

Add 7 to both sides

2n-7+7=30+7

2n=37

Divide by 2 on both sides

(2n)/2=37/2

n=18.5

(s/3)+2=4

Subtract 2 from both sides

(s/3)+2-2=4-2

(s/3)=2

Multiply by 3 on both sides

3s/3=2*3

s=6

6 0
3 years ago
Change y-7=m(x-4) to standard form
Ivan

Answer:

  mx -y = 4m -7

Step-by-step explanation:

Standard form is ...

  ax +by = c

where a, b, c are mutually prime integers and a > 0.

If we assume m > 0, then we need to collect the variable terms on the right side of the equation, so the coefficient of x will be positive.

  y -7 = mx -4m . . . . eliminate parentheses

  -7 = mx -y -4m . . . . subtract y

  4m -7 = mx -y . . . . . add 4m

  mx -y = 4m -7 . . . . . . standard form

4 0
2 years ago
Find the value of xxx in the isosceles triangle shown below.
MAXImum [283]

Answer:

X = 10

Step-by-step explanation:

if we say 1/2 base = <em>a</em>

a² = 13² - 12²

a² = 25

a = √25

a = 5

if 1/2 base = 5 then x = a × 2

hence X = 5 × 2 = 10

7 0
2 years ago
What is the perimeter of a rectangle whose length is M cm and width is 2 cm​
Setler79 [48]

Answer:

2m plus 4

Step-by-step explanation:

mx2=2m

2x2=4

2m plus 4 = 2m plus 4

My plus button isnt working sorry

4 0
2 years ago
The table shows a function. Is the function linear or nonlinear?<br> x y<br> 7 20<br> 8 12<br> 9 7
Crazy boy [7]

Answer:

Non-linear because none of them repeat.

Step-by-step explanation:

8 0
2 years ago
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