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3 years ago

PLEASE HELP ASAP I WILL MARK BRILLIANT WHOEVER ANSWERS THANKS (:

Mathematics

2 answers:

Ganezh [65]3 years ago

7 0

The answer is 38.5 I think

Mila [183]3 years ago

5 0

The answer is 38.5 cm^2

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75 is what percent of 1000?

sineoko [7]

$75 = \frac{x}{100} \times 1000\\75 =x \times 10\\x =7.5$ so your answer is 7.5%

3 0

2 years ago

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Lannister checks out 6 set of books from the library each set has the same number of books she reads 7 of the books and she has

fgiga [73]

Answer:

Step-by-step explanation:

Lannister checks out 6 sets of book

Each set had the same number of books

She reads 7 books and has 11 more to go

Therefore the number of books in each set can be calculated as follows

= 11+7

= 18

18/6

= 3

Hence there are 3 books in each set

6 0

2 years ago

If line a is perpendicular to line b and the slope of line a is 7 whats the slope of line b

amm1812

Answer:

If a line is perpendicular to another line, that means that the slope is completely opposite that of the original line. The first thing that we do to the slope is we negate the number which means that if we have a slope of $-7$ our slope because $7$ in this step. In our case our slope is $7$ so in this step it becomes $-7$ .

Moving onto the second part which is to get the reciprocal of the number which means that if we have $\frac{1}{2}$ then we would switch it to $2$ . In our case our number is $-7$ so we would make that into a fraction like this $-\frac{1}{7}$ .

In conclusion, our final slope of the perpendicular line is $-\frac{1}{7}$ .

<u><em>Hope this helps! Let me know if you have any questions</em></u>

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1 year ago

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Charles will babysit for up to 4 hours and charges $7 per hour. Write a function in function notation for this situation.

Sloan [31]

X hour and 7 dollars per hour

x = hour

7(x) is your function

thank you for Anlian for pointing it out.. there is 4 hours

so x = 4

plug in 4 in x. 7(4)

7 x 4 = 28

28 is your answer

hope this helps

6 0

3 years ago

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<img src="https://tex.z-dn.net/?f=3%20%7Bx%7D%5E%7B2%7D%20%20-%205x%20%3D%202" id="TexFormula1" title="3 {x}^{2} - 5x = 2" alt=

Brut [27]

<h3><u>☁ Problem:</u></h3>

$3x^2-5x=2$

<h3 /><h3><u>☁ Answer:</u></h3><h3> $x=2$ </h3><h3 /><h3><u>☁ Solution:</u></h3><h3> $3x^2-5x=2$ </h3><h3> $3x2-5x-2=2-2$ </h3><h3> $(3x+1)(x-2)=0$ </h3><h3> $3x+1=0$ </h3><h3> $x=2$ </h3><h3 /><h3>☁ 좋은 하루 되세요!! ☁ </h3>

<h2>-HunnyPeachy</h2>

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2 years ago