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MariettaO [177]
2 years ago
6

Solve for X pleas help

Mathematics
1 answer:
nydimaria [60]2 years ago
3 0

Answer:

10.5 I think

Step-by-step explanation:

(1/2) *12 is 6

(1/2)*21 is 10.5

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Clara ate 1/8 of the pie Jacob ate 1/4 how much of the pie did they ate
nika2105 [10]
They ate 3/8 of the pie because 1/4=2/8 .and 1/8+2/8=3/8. Hope this helps
5 0
3 years ago
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Sally was standing 30 feet from a tree. The angle of
QveST [7]

Answer: The tree was 27 feet tall

Step-by-step Explanation: First of all Sally was standing 30 feet away from the tree and she looks up at an angle of elevation of 38 degrees to the top of the tree. With this bit of information we can determine that a right angled triangle has been formed with the reference angle as 38 degrees, the side facing it as h (the height of the tree) and the adjacent side as 30. We shall apply the trigonometric ratio as follows;

Tan 38 = opposite/adjacent

Tan 38 = h/30

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23.4 = h

We remember at this point that Sally’s eyes were 4 feet above the ground. What we have just calculated is the height of the tree from “4 feet above the ground” (where her eyes were). Hence the actual height of the tree is calculated as 23.4 plus 4 which gives us 27.4

Therefore the tree was 27 feet tall (approximately to the nearest foot)

5 0
3 years ago
What does 118=k+70 answer?
kumpel [21]

118 = k + 70 \\ 118 - 70 = k \\ 48 = k

6 0
2 years ago
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A teacher's assistant entered 10 scores into the online gradebook in
-Dominant- [34]

Answer:

Ok I got it it’s 50

Step-by-step explanation:

because To divide by

1

5

, multiply by its reciprocal, 5.

10÷

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= 105

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8 0
2 years ago
Change 0.00000843 to scientific notation
Ivan

move the decimal point to the right to have 1 real number to the left of the decimal point,

 since you are moving it to the right the exponent would be negative

 so you get 8.43 x 10^-6

8 0
3 years ago
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