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Ghella [55]
3 years ago
9

HELP ME WITH MATH HOMEWORK

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
5 0

Answer:

D

Step-by-step explanation:

Y=3x-1 is written as the slope-intercept form y=mx+b don't let the -1 confuse you.

daser333 [38]3 years ago
4 0

Step-by-step explanation:

Only option B shows a proportional relationship (y = 3x).

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3 0
3 years ago
The circle below has center O , and its radius is 5yd . Given that =m∠AOB30° , find the length of the major arc ACB . Give an ex
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7 0
3 years ago
Given: 8-2y – 3y -9=-11<br> Prove: y = 2
astraxan [27]
Step 1: group Y on left side
(-2 - 3)y = -5y

step 2: group constants on left side
8 - 9 = -1

step 3: form modified equation
-5y - 1 = 11

step 4: group constants
-5y - 1 + 1 = -11 + 1

step 5: cancel 1 on left side
-5y = -10

step 6: divide each side by -5
-5y/-5 = -10/-5

answer: y = 2
3 0
3 years ago
The question is in the picture
Hoochie [10]
Since you’re dealing with a linear equation in slope-intercept form, we know the equation is going to be in the form of y=mx+b.

Therefore, we need to find the slope (“m”) of the line (change in y/change in x), which is rise/run. We also need to find the y-intercept (“b.”)

1.) (0, -3) (1, -1)
We took two points from the line to find the slope. We will use the 2 coordinate pairs to find the slope.

2.) m=(y2-y1)/(x2-x1)
This is the slope “m” formula.

3.) m=( -1+3)/(1-0)
Input the coordinate values into the formula. The +3 you see is due to -(-3)=+3.

4.) m=2/1
We simplified the above formula.

5.) m=2
By division.

We now have the slope or “m.” M=2. Therefore, the equation rises 2 units and runs 1 unit.

Now, finding the y-intercept:

The y-intercept or “b” is where the line intersects the y-axis. It is the starting point of a linear equation.

To find the y-intercept, we need to figure out what the output is when the input is 0. We can see on the table in the picture that with an input of 0, the output is -3.

Therefore, b=-3. This is because an input of 0 means that there is no movement on the x-axis, so we can determine where the where the linear intercepts the y-axis.

Therefore, the equation is y=2x-3, where m=2 and b=-3.

That’s the answer: y=2x-3
4 0
3 years ago
It was reported that approximately 15.5 million telephone votes were cast. Each vote was for
kati45 [8]

Answer:

Alejandro received 6.51 million of votes

Laine received 58% of votes

Step-by-step explanation:

If the ratio of "Laine votes" to "Alejandro votes” was 29:21, then the number of "Laine votes" was 29x and the number of "Alejandro votes” was 21x. In total, 15.5 million votes were cast. So

29x + 21x = 15.5 million

50x = 15.5 million

x = 0.31 million

Then

the number of "Laine votes" =29\cdot 0.31=8.99 million

number of "Alejandro votes” =21\cdot 0.31=6.51 million

Laine received

\dfrac{8.99}{15.5}\cdot 100\%=58\%

4 0
3 years ago
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