3 years ago

Choose the correct proportions. 4, 1, 2, 2 a) 1:2 = 2:4 b) 1:4 = 2:2

Mathematics

1 answer:

Grace [21]3 years ago

5 0

Answer:

Step-by-step explanation:

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If f(x)=x^2- 4 and g(x)=x^2 plus 2 x,

gregori [183]

Answer:

$\huge\boxed{(f-g)\left(-\dfrac{1}{3}\right)=-3\dfrac{1}{3}}$

Step-by-step explanation:

$\text{We have}:\\\\f(x)=x^2-4\ \text{and}\ g(x)=x^2+2x\\\\(f-g)(x)=f(x)-g(x)\\\\\text{therefore}\\\\(f-g)(x)=(x^2-4)-(x^2+2x)=x^2-4-x^2-2x\\\\=(x^2-x^2)-2x-4=-2x-4\\\\(f-g)\left(-\dfrac{1}{3}\right)\to\text{put}\ x=-\dfrac{1}{3}\ \text{to the equation of the function}\ (f-g)(x):\\\\(f-g)\left(-\dfrac{1}{3}\right)=-2\left(-\dfrac{1}{3}\right)-4=\dfrac{2}{3}-4=-3\dfrac{1}{3}$

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3 years ago

Two angles with measures (6x + 60) and (90) are supplementary. What is the value of x?

marshall27 [118]

Supplementary angles add up to 180, so
6x+60+90 = 180 and solve for x
6x= 30
x=5

5 0

3 years ago

Read 2 more answers

Find the product or quotient for each. simple form<br> 5/9 divide 5/6

MakcuM [25]

Answer: 2/3

Step-by-step explanation:

5/9 and 5/6 doesn't have the same denominator. So 5/9 changes to 10/18, while 5/6 changes to 15/18.

10/18 divided by 15/18= 10/18 x 18/15 = 180/270

180/270= 2/3

8 0

3 years ago

We have 5 circles surrounding a circle, Is there enough room to fit one more circle

Alexus [3.1K]

Answer:

Definitely

Step-by-step explanation:

In order to completely surround a circle, you need six circles to do that while here in the question it is mentioned that currently there are only five circles surrounding the circle, hence there is enough room to easily fit one more circle.

I just hope that you are satisfied with the answer, Best of Luck.

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3 years ago

80 is 16 1/2 % of what number round to the nearest hundredth

Alex Ar [27]

Answer:

484.84

Step-by-step explanation:

(80/16.5)x100=484.84

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3 years ago