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sladkih [1.3K]
3 years ago
10

60 points! Match each term with its corresponding definition.

Mathematics
2 answers:
ch4aika [34]3 years ago
8 0
1.cross multiply
2.proportion
3.ratio
4.property of equality
4.coefficent 6.constant
7.like terms
8.term
nydimaria [60]3 years ago
4 0

Hello!

I will match these definitions for you below.

1. cross multiply

2. proportion

3. ratio

4. property of equality

5. coefficient

6. constant

7. like terms

8. term

I hope this helps!

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4 times x with an exponent of 2 plus 2 times y with an exponent of 4. X=-3 y=2
Digiron [165]

Answer:

Step-by-step explanation:

Your equation is: 4*x^{2} +2 * y^{4}

You also know that x = -3 and y = 2. You can rewrite the equation by substituting x and y with their actual values:

4*(-3)^{2} +2 * 2^{4}

First, you want to do the exponentiation (meaning you want to calculate (-3)^{2} and 2^{4} parts). (-3)^{2} equals 9 and 2^{4} equals 16.

So the equation now is:

4*9+2*16

Now you want to do multiplication. 4*9 equals 36 and 2*16 equals 32. So you're left with:

36+32

Which equals 68.

8 0
3 years ago
A circle has a circumference of 6. It has an arc of length 17/3. What is the central angle of the arc, in degrees?
zepelin [54]

Answer:

340 degrees

Step-by-step explanation:

So the key thing here is to notice that we are given the circumference which will allow us to find a value for the radius of the circle and hence the angle subtended by the arc (the central angle).

So the circumference of a circle = 2pi(r)

This means:

6 = 2pi(r)

Which means that

r = 6/2pi or r = 3/pi

Now we can use this value of r to find our angle in conjunction with the value of the arc length. So:

Arc length is defined by: length = θr

Where θ is our angle value.

So lets plug in:

\frac{17}{3} = (angle)\frac{3}{\pi }

Multiply by pi to get:

\frac{17\pi }{3} = 3(angle)

Divide by 3 to get that:

θ = 17pi/9

So if we convert that from radians to degrees we get 340 degrees.

7 0
2 years ago
This one I can’t figure out! It has fractions too..
viva [34]

Answer:

3x+ 5 1/3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
WORD PROBLEM! Sally has 15 apples. She gives some of her apples to three friends. They each get the same amount. Sally now has 9
Roman55 [17]

Answer:

Each friend got 2 apples

Step-by-step explanation:

[original amount of apples]-[Apples Sally has after distribution] = [friends] x [number of apples]

Filling in the brackets, you get this equation.

15-9=3 x apples per friend

6=3 x apples per friend

2 = apples per friend

5 0
3 years ago
Read 2 more answers
Sally has £520
PIT_PIT [208]

Answer:

£132

Step-by-step explanation:

15% of  520 is 78

15% of 360 is 54

78 + 54 = 132

6 0
2 years ago
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