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Pani-rosa [81]
3 years ago
10

Please help me with this question 7th grade

Mathematics
2 answers:
bonufazy [111]3 years ago
4 0
The correct answer is C...
Valentin [98]3 years ago
3 0
The answer is C. This is because the red paint must be proportional to the yellow paint, and the proportion given to us is 6/8 (or 6:8 as a ratio). We notice that when simplified, 6/8=3/4, meaning that for every 3 parts of red, there are 4 parts of yellow. By multiplying 3/4 by a certain number of parts for yellow, we'll get the proportionate parts for red.

For example, if you wanted to find out the proportionate part of red for 16 parts of yellow, you would do 3/4*16, which is 12, so that would be 12 parts of red.

:)
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Identify the leading coefficient in the following polynomial:<br> – 5x² + 3x - 7
insens350 [35]

Answer:

-5

Step-by-step explanation:

The leading coefficient means the thing you're multiplying your highest power by. Here, your highest power of x is x^2, and that term's coeff. is -5, so the leading coefficient is -5.

7 0
3 years ago
1 + cot^2 x is equivalent to
zysi [14]

Answer:

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Step-by-step explanation:

It's a trig identity where 1+cot^2x = csc^2x

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2 years ago
Jenny spent 35 minutes doing research on the Internet. She finished at 7:10p.m. At which time did Jenny start her research?
charle [14.2K]
6:35pm, because 35 minutes before 7:10 pm is 6:35pm :)
6 0
3 years ago
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Help?...<br> 1/3(-3) + 13
ra1l [238]

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Step-by-step explanation:

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3 years ago
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ABC is a right angled triangle right angled at B . A circle with centre O inscribed in the triangle . AB=6CM BC=8CM . Find the r
Vikki [24]

Answer:

Radius = 2 cm.

Step by step explanation:

By the Pythagoras theorem  the third side of the triangle

= sqrt (6^2 + 8^2)cm = sqrt100 = 10cm.

The formula for the radius of the circle is

r = sqrt [ (s - a)(s-b)(s-c)/ s ]  where a,b,c are side lengths and s = the semi perimeter.

Here s = ( 6+8+10) / 2 = 12

So the radius r  

= sqrt [ (12-6)(12-8)(12-10)/ 12 ]

= sqrt 4

= 2 (answer).

3 0
2 years ago
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