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suter [353]
3 years ago
10

A submarine’s depth at 10:00 a.m. was ( -200ft). At noon, it descended an additional 500 feet. What was the submarine’s depth at

noon?
Mathematics
2 answers:
adelina 88 [10]3 years ago
4 0
The depth of the submarine was -700 ft at noon
tresset_1 [31]3 years ago
3 0
-700ft is the answer
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A college bookstore marks up the price that it pays the publisher for a book by 35 %. If the selling price of a book is $ 87.00
Dimas [21]

Answer:the amount that the bookstore pay the publisher for the book is $64.4

Step-by-step explanation:

Let x represent the amount that the bookstore pay the publisher for the book.

The college bookstore marks up the price that it pays the publisher for a book by 35%. This means that the value of the mark up would be

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Therefore, the amount that the bookstore is selling the book would be

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If the selling price of a book is $ 87.00, then it means that

1.35x = 87

x = 87/1.35 = 64.4

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siniylev [52]

Answer:

Equation: 7x + 8x = 180

x = 12

∠CBA = 84

∠CFH = 96

Step-by-step explanation:

We can see that ∠CBA = ∠CFE and ∠CBD = ∠CFH.

We know that the sums of two angles on a straight line are going to be equal to 180.

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To find the value of x, we must do the following:

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Now we just substitute to find the angle measures:

∠CBA = 7 · 12 = 84

∠ CFH = 8 · 12 = 96

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