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adell [148]
3 years ago
15

Which of the following situations could be represented by the expression −14+(−7)? Select two that apply.

Mathematics
1 answer:
aliya0001 [1]3 years ago
6 0

Answer:

A

Step-by-step explanation:

Owing someone meand you have to give them money and therefore is represented ad a negative number.

-14 + (-7) is the same as -14 - 7

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What is AE?<br> Enter your answer in the box?
Nataly [62]

Answer:

AE = 18 units

Step-by-step explanation:

Δ AEB and Δ DEC are similar , then corresponding sides are in proportion, that is

\frac{AE}{DE} = \frac{AB}{DC} , substitute values

\frac{2x+4}{x+8} = \frac{12}{10} ( cross- multiply )

10(2x + 4) = 12(x + 8) ← distribute parenthesis on both sides

20x + 40 = 12x + 96 ( subtract 12x from both sides )

8x + 40 = 96 ( subtract 40 from both sides )

8x = 56 ( divide both sides by 8 )

x = 7

Then

AE = 2x + 4 = 2(7) + 4 = 14 + 4 = 18 units

5 0
3 years ago
Answer the following questions in complete sentences.
Anna71 [15]
The answer for both of these would be a rectangle.

A rectangular prism has 6 faces, all of which are rectangles.  Slicing the prism parallel to any of the faces, whether they are end faces or bases, will result in a rectangular cross-section.
6 0
3 years ago
10th grade Geo | What does JK equal?
ladessa [460]

Answer:

16

Step-by-step explanation:

6x-7=2x+3 Cause point M is the midpoint, so JM and MK have to be equal.

4x=10

x=2.5

JM=15-7=8 and MK=5+3=8

8+8=16

4 0
2 years ago
Please help solve for angles Q X and Z
Iteru [2.4K]

Answer:

125

Step-by-step explanation:

Sum of Exterior Angles must add to 360 so

60 + 70 + 40 + 65 + x = 360

235 + x = 360

x = 125

6 0
3 years ago
$20 haircut with 10% and 7% tax
Anika [276]

20 * .10 = 2  <em>(2 = 10% of 20)</em>

20 + 2 = 22

20 x .07 = 1.4  <em>(1.4 = 7% of 20)</em>

20 + 1.4 = 21.4

The price of a 20$ haircut with a 10% tax would be $22.

The price of a 20$ haircut with a 7% tax would be $21.40.

4 0
3 years ago
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