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erik [133]
3 years ago
14

Which inequality is NOT true if y = -5?

Mathematics
1 answer:
sertanlavr [38]3 years ago
6 0

Answer:

c is the answer

Step-by-step explanation:

solution

3y + 9 \geqslant  - 15

3( - 5) + 9 \geqslant  - 15

- 15 + 9 \geqslant  - 15

- 6 \geqslant  - 15

therefore the equation is not true

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2 years ago
Two vertical posts stand side by side. One post is 8 feet tall and the other is 17 feet tall. If a 24 foot wire is stretched bet
lianna [129]

Answer:

The distance between the posts is 3\sqrt{55} feet.

Step-by-step explanation:

In the attached figure, let DB and AC be the posts and let AD be the wire attached to the top of the posts.

BC is the distance between the posts and we need to find BC.

Note that BC = DE

Also, EC = DB = 8m and AE = AC - EC = 17 - 8 = 9 m.

Now, in the right triangle ADE,

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DE=3\sqrt{55}

Since DE = BC,

BC=3\sqrt{55}

Hence, the distance between the posts is 3\sqrt{55} feet.



7 0
3 years ago
Please I need help. I can’t figure these problems out.
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base times length times height

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