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MariettaO [177]
3 years ago
13

Use distrubitive property to rewrite this question -7(x-10)

Mathematics
1 answer:
Degger [83]3 years ago
6 0
The answer is: =-7x+70
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The expression 9+21 factored using GCF is?
Andreas93 [3]

The GCF is 3. 9 is 3 and 3 ; 21 is 7 and 3

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3 years ago
How can u find the perimeter in a graph
frozen [14]
Yeah you should try khan academy or Ytube
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2 years ago
PLEASE HELP GIVING MANY POINTS!
NeTakaya

Answer:

  69.01 m

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you ...

  Tan = Opposite/Adjacent

The tangent function is useful for problems like this. Let the height of the spire be represented by h. The distance (d) across the plaza from the first surveyor satisfies the relation ...

  tan(50°) = (h -1.65)/d

Rearranging to solve for d, we have ...

  d = (h -1.65)/tan(50°)

The distance across the plaza from the second surveyor satisfies the relation ...

  tan(30°) = (101.65 -h)/d

Rearranging this, we have ...

  d = (101.65 -h)/tan(30°)

Equating these expressions for d, we can solve for h.

  (h -1.65)/tan(50°) = (101.65 -h)/tan(30°)

  h(1/tan(50°) +1/tan(30°)) = 101.65/tan(30°) +1.65/tan(50°)

We can divide by the coefficient of h and simplify to get ...

  h = (101.65·tan(50°) +1.65·tan(30°))/(tan(30°) +tan(50°))

  h ≈ 69.0148 ≈ 69.01 . . . . meters

The tip of the spire is 69.01 m above the plaza.

3 0
3 years ago
Round 2.12747677748 to the nearest ten-thousandth.
Gwar [14]

Answer:

2.1275 is 2.12747677748 rounded to the nearest ten-thousandth.

Step-by-step explanation:

Since the hundred-thousandth place is 5 or above, we would round the ten-thousandths place up. THis makes the number 2.1275.

8 0
2 years ago
Perform the operation(s) and write the answer in simplest form. (12+13)÷154
wariber [46]

Answer:

0.162

Step-by-step explanation:

(12+13)/154

25/154

0.162

7 0
3 years ago
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