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kati45 [8]
3 years ago
7

Erin wants to purchase 3 CDs for $10 each. How much moneydoes she need?​

Mathematics
2 answers:
Aloiza [94]3 years ago
7 0

Answer: 30

Step-by-step explanation:

8090 [49]3 years ago
6 0

Answer:

30

Step-by-step explanation:

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On a quiet day without many witnesses, a 4.5 ft victim was shot by a sniper that was in a tower 780 ft away. If the angle of ele
azamat

Answer:

68.17m

Step-by-step explanation:

Please see attached a rough sketch of the scenario

Step one:

Given data

Height of victim= 4.5ft

The horizontal distance of the snipper from the building = 780ft

The angle of elevation= 5 degrees

Required

The vertical distance

The opposite= the vertical distance

789 ft = the adjacent

Step two:

Applying SOH CAH TOA

tan ∅= opp/adj

tan 5= opp/780

cross multiply we have

0.0874= opp/780

cross multiply we have

0.0874*780= opp

opp= 68.17m

The sniper shoots from a vertical distance of  68.17m

8 0
2 years ago
Is the histogram uniform, symmetric, or skewed?
hodyreva [135]
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3 years ago
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podryga [215]

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84.3

Step-by-step explanation:

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8 0
3 years ago
I don't understand this problem...<br> 1/4 x (-12)=
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Answer:

-3

Step-by-step explanation:

When multiplying a positive number with a negative number, the product will <u>always</u> be negative. First, let's solve the problem disregarding the negative sign.

  • \frac{1}{4} * 12
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Now that we know the product of 1/4 x 12 is 3, we can assume that the product of 1/4 x -12 is -3.

4 0
3 years ago
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Step-by-step explanation:

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