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Stels [109]
2 years ago
11

Can somebody help me with my math?

Mathematics
1 answer:
Iteru [2.4K]2 years ago
6 0
What is it math science just English
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Find a 12% percent increase in an insurance rate of $665
vichka [17]
665x12=79.80 increase add it to the 665
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3 years ago
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Given that cos 160= -q, express each of the following in terms of q:
GenaCL600 [577]
Hello,

cos 160°=-q

cos 20°=-cos 160°=q

sin 20°=√(1-q²)=sin 160°

tan -20°=tan 160=√(1-q²)/-q

cos 70°=sin 20°=√(1-q²)
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Pine Bluff Middle School is having its annual Spring Fling dance, which will cost \$400$400dollar sign, 400. The student treasur
nikklg [1K]

The <em><u>correct answers</u></em> are:

The inequality is 75+4t ≥ 400, and they must sell at least 82 tickets.

Explanation:

t is the number of tickets sold. They start out with $75, so that is where our inequality begins. Each ticket is $4; this gives us the expression 4t. Together with the $75 carry over, we have 75+4t.

They must make at least $400 to pay for the dance. This means it must be more than or equal to 400; this gives us 75+4t ≥ 400.

To solve this, first subtract 75 from each side:

75+4t-75 ≥ 400-75

4t ≥ 325

Divide both sides by 4:

4t/4 ≥ 325/4

t ≥ 81.25

We cannot sell a portion of a ticket, so we round. While mathematically this number would "round down," if they only sell 81 tickets, they will not have enough money. Therefore we round up to 82.

7 0
3 years ago
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Your bathroom sink is broken and you need to have a plumber come to your house to make the repair.
ANTONII [103]

Answer:

I wish you a merry Christmas and happy holidays may the new years bring you something good!!!!!!!

Step-by-step explanation:

5 0
2 years ago
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I could use some help!!
12345 [234]

Answer:

84

Step-by-step explanation:

The interquartile range is obtained using the relation :

Third quartile (Q3). - First quartile (Q1)

From. The boxplot :

Q3 = 96

Q1 = 12

Interquartile range (IQR) = Q3 - Q1 = 96 - 12 = 84

6 0
2 years ago
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