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Gnoma [55]
3 years ago
7

Which result will be positive? -5 - (-3) 5 - (-3) 18 ÷ (-6) 6 × (-2)

Mathematics
1 answer:
Bezzdna [24]3 years ago
8 0

Answer:

5-(-3)

Step-by-step explanation:

because 5-(-3)=5+3=8

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If it is April, then there are 30 days in the month.
dimaraw [331]

Answer:

C.

Step-by-step explanation:

It does not have to be April if there are 30 days. If its not April, it can still have 30 days. April does have 30 days.

6 0
3 years ago
Solve for a.<br><br> 4a + 2a − a = 5
vredina [299]
Com blind like terms 4a + 2a =6a -a =5a the divide both sides 5/5 5/5a which = 1
5 0
4 years ago
A man purchased a magazine at the airport for $ 2.79 .
Naya [18.7K]

Answer:

4%

Step-by-step explanation:

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7 0
4 years ago
2\3 a certain number reduced by 11 is equal to 4 more than that number. Find the number (show work)
ArbitrLikvidat [17]
11 - 2/3n = 4 + n
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4 0
3 years ago
A surveyor found the angle of elevation from the ground to the top of the building at two locations 20 feet apart as shown below
Serga [27]

Applying the sine ratio and law of sines, the correct measurements are:

B. m∠B = 15°

E. h ≈ 31.28 ft.

<h3>What is the Sine Ratio?</h3>

Sine ratio that can be used to determine the side length of a right triangle is, sin ∅ = opposite side/hypotenuse.

Find c using the law of sines:

C = 33°

A = 180 - 48 = 132 [linear pair]

B = 180 - 33 - 132 = 15° [triangle sum theorem]

b = 20 ft

c = ?

Using the law of sines, b/sin B = c/sin C, we have:

20/sin 15 = c/sin 33

(c)(sin 15) = (20)(sin 33)

c = (20 × sin 33)/sin 15

c ≈ 42.09

Use the sine ratio to find h:

∅ = 48°

Hypotenuse = c = 42.09

Opposite = h = ?

sin 48 = h/42.09

h = (sin 48)(42.09)

h ≈ 31.28

The correct measurements are:

B. m∠B = 15°

E. h ≈ 31.28 ft

Learn more about the sine ratio on:

brainly.com/question/2920412

#SPJ1

4 0
2 years ago
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