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Ivan
4 years ago
11

20 POINTS WILL GIVE BRAINLIEST plz help me

Mathematics
1 answer:
Anvisha [2.4K]4 years ago
6 0

Answer:

16m

Step-by-step explanation:

solve it out: 16*(9+3)

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HELP!! PLEASE EXPLAIN
yanalaym [24]

Answer:

10 pieces

Step-by-step explanation:

basically you divide 7.5 by .75 which equals 10.

You do that because you are seeing how many 3/4 inch pieces are in 7 and a half inches of ribbon and 7 1/2 = 7.5     and     3/4= .75

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2 years ago
if a birds elevation is 28 meters above the surface and a fish is -12 meters below how far apart are they
timama [110]
They are 40 meters apart
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At a point on the ground 35 ft from the base of a tree, the distance to the top of the tree is 1 ft more than 3 times the height
jolli1 [7]

Answer:

Step-by-step explanation:

This is a question that uses the Pythagorean Theorem.

a = 35 feet

b = x            which is the height of the tree.

c = 3*x + 1   so we are trying to find x.  Substitute into a b and c

a^2 + b^2 = c^2

35^2 + x^2 = (3x + 1)^2        

35^2 + x^2 = 9x^2 + 6x + 1     Subtract x^2 from both sides.

35^2 = 8x^2 + 6x + 1               Subtract 35^2 from both sides.

0 = 8x^2 + 6x + 1 - 35^2

0 = 8x^2 + 6x - 1224

Does this factor?

(x + 12.75)(x - 12)

x - 12 = 0 is the only value that works.

x = 12

The tree is 12 feet high.

Note: I used the quadratic formula to solve this.

6 0
3 years ago
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The door to my classroom is 84 inches tall. How many blocks would I need to stack to the height of the door, If each block is 2
nata0808 [166]

Answer:

42 blocks

Step-by-step explanation:

If each block is 2 inches, and the height of the door is 84 inches, you need to divide the height by the block size. Once you divide 84 by 2, you should get 42 blocks as your answer.

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3 years ago
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makkiz [27]

Answer:

slope is 3 Y is -2

Step-by-step explanation:

Whenever a number is in "x" its slope. The number always after that is Y so slope is 3 and Y is -2

5 0
2 years ago
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