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Illusion [34]
3 years ago
11

HELP PLEASE!!!!!!!!!!!!

Mathematics
1 answer:
Serggg [28]3 years ago
8 0
C = total cents
C = 30 + n
I think that's it. Hope it helps you.
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I need help plz
shusha [124]

The solution for given linear equation systems is (3,-4).

Option: C

<u>Step-by-step explanation:</u>

The given equations are 5x+3y=3 and x+y= -1.

Let us isolate x value from equation 5x+3y=3.

5x = 3-3y.

x=\frac{3-3y}{5}.

Substitute this x value in equation x+y= -1.

\frac{3-3y}{5}+y=-1.

After taking LCM for the denominator,

\frac{3-3y+5y}{5}= -1.

3-3y+5y=-5.

2y=-8.

y=-4.

For x=\frac{3-3y}{5} substitute the y value.

x=\frac{3-3(-4)}{5}.

x=\frac{3+12}{5}.

x=\frac{15}{5}.

x=3.

∴ The solution is (3,-4).

8 0
3 years ago
How many days is 736 hours? (Remember your answer need to have the correct amount of sig figs and the correct units written).
Scrat [10]

Answer:

30.6 days

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
One hundred students are asked a survey question as they walk through the front gate at their middle school. Is this a represent
ivann1987 [24]
<span>Given that one hundred students are asked a survey question as they walk through the front gate at their middle school.

This a representative sample of the schools population because the sampling is random and is not biased.</span>
7 0
3 years ago
Slope intercept of (2,-12) and (5,6)
nlexa [21]

Answer:

<em>The slope of the line is m=6.  </em>

<em>The y-intercept is (0,−24).  </em>

<em>The equation of the line in the slope-intercept form is y=6x−24.</em>

Step-by-step explanation:

The slope of the line passing through the two points P=(x1,y1) and Q=(x2,y2) is given by m=y2−y1x2−x1.

We have that x1=2, y1=−12, x2=5, y2=6.

Plug the given values into the formula for the slope: m=(6)−(−12)(5)−(2)=183=6.

Now, the y-intercept is b=y1−m⋅x1 (or b=y2−m⋅x2, the result is the same).

b=−12−(6)⋅(2)=−24.

Finally, the equation of the line can be written in the form y=mx+b.

y=6x−24.

Answer:

The slope of the line is m=6.

The y-intercept is (0,−24).

The equation of the line in the slope-intercept form is y=6x−24.

8 0
3 years ago
Read 2 more answers
graph the image of this figure after a dilation with a scale factor of 2 centered at the origin use the polygon tool to graph t
Iteru [2.4K]

Answer:

For this answer, I will label the points. Starting at the top left, then top right, then bottom left and bottom right let the points be A, B, C, D.

The new coordinates will be

A(-4,10)

B(4,10)

C(-4,4)

D(4,4)

Step-by-step explanation:

The question is asking for a dilation which is a transformation that makes an image proportionately smaller or larger by a scale factor. The scale factor is how much smaller or larger the shape will be, if the scale factor is between 0 and 1 then it will shrink, if it is greater than one then the image will stretch (be larger). In this case, the scale factor is 2, therefore the image will stretch. Since the center of dilation is the origin, to find the new coordinates simply multiply each x and y value by the scale factor. So A's original coordinates (-2,5) become (-4,10) and so forth. Therefore the equation for this dilation is (x, y) → (2x,2y).

4 0
3 years ago
Read 2 more answers
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