Please help!?!?! I'm not good with math ..

Mathematics

1 answer:

borishaifa [10]3 years ago

7 0

The answer is b national baking act

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What is1/12+7/9. I need help.

Katarina [22]

You have to make them have their least common denominator to add or subtract, in this case 36.
Multiply 1/12 by 3, to get the denominator 36: 3/36.
Multiply 7/9 by 4, to get the denominator 36: 28/36.
Now add the numerators: 3+28=31, 31/36 is as simplified as possible so your answer is 31/36 :) I hope this helps :)

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3 years ago

Match each trig function to a ratio. tan(A)=

ehidna [41]

Answer:

$\frac{y}{x}$ , the fourth option.

Step-by-step explanation:

Tan means $\frac{opposite}{adjacent}$ or opposite side divided by adjacent side.

Tan A equals the opposite side of the angle A divided by its adjacent side.

The side opposite of A is y and side adjacent to it is x.

So, Tan A equals $\frac{y}{x}$ !

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3 years ago

The equation of a line XY is (y-3)=3/2(x-4) what is the slope of the line perpendicular to XY?

jok3333 [9.3K]

Answer:

It must be 3/2.........

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2 years ago

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If the diameter of the semicircle is 1.7 centimeters, what is the circumference of the semicircle?

spin [16.1K]

The formula for circumference is $C=2 \pi r$ or $C= \pi d$ . We have a diameter for the semicircle, so let's use the diameter formula. $C= \pi (1.7)$ which is either $C=1.7 \pi$ or C = 5.338 if we multiply pi in as 3.14. BUT this is only half a circle, so we only have half that distance around the outside. Therefore, the circumference of half this circle is 2.669 cm. But we need to add the 24 mm in. 24 mm in centimeters is 2.4 cm. So 2.669 + 2.4 = 5.069

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2 years ago

A circle has the equation x^2+y^2+x-6y+9=0. Find the center and any x or y intercepts.

Softa [21]

We know:x^2+y^2+x−6y+9=0So, we complete the square as such:x^2+y^2+x−6y+9=x^2+x+y^2−6y+9=(x+1/2)^2+(y−3)^2=(1/2)^2=1/4

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3 years ago