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mylen [45]
2 years ago
9

I need help thank you

Mathematics
1 answer:
Masja [62]2 years ago
4 0
The first answer would be 10
the second answer would be 2.50
i wouldn’t be able to know the third one without knowing the options
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5-13)<br> -10-15<br> what’s the equation for the line that passes through points (5,-3) and (-10,15)
umka2103 [35]

Answer: y=-6/5x+3

Step-by-step explanation:

To find the equation of the line that passes through the points, you want to first find the slope by using the formula m=\frac{y_2-y_1}{x_2-x_1}, then solve for the y-intercept.

m=\frac{15-(-3)}{-10-5} =\frac{18}{-15} =-\frac{6}{5}

Now that we have the slope, we can plug in a given point and solve for the y-intercept.

15=-6/5(-10)+b        [multiply]

15=12+b                   [subtract both sides by 12]

b=3

Now that we have the y-intercept, we know the equation is y=-6/5x+3.

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3 years ago
Ravi bought a desk on sale for $544. This price was 15% less than the original price. What was the original price?
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The original price is $625.60. Hope this helps !!

8 0
3 years ago
Read 2 more answers
What is the value of B??
Maurinko [17]
The answer is 3.75.

Since the length of 'b' is one-half that of 7.5 based on the diagram (we know this because the partial radii connecting the two lines, or chords, are the same length, meaning the two chords are equal);

   <u>7.5</u>      ⇒   3.75<u>
</u>    2
<u>
</u><em>Hope that helps.</em><u>
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7 0
3 years ago
Question 5 (1 point) 5 The Cool Shirts company prints personalized designs on T-shirts. The cost y for x shirts with the same de
Sergeeva-Olga [200]

Answer:

y = 8x + 25

Step-by-step explanation:

Using the coordinates (10, 105) and (20, 185)

The standard linear equation is expressed as y = mx+c

m is the slope

c is the intercept

m = 185 - 105/20-10

m = 80/10

m = 8

Get the y-intercept

Since y = mx+c

105 = 8(10) + c

105 = 80 + c

c = 105 - 80

c = 25

Get the required equation

Recall that y = mx+c

y = 8x + 25

Hence the required equation is y = 8x + 25

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3 years ago
From $16 to $4 percent
Vlad1618 [11]

Answer:

Im sorry but thats not a proper question

Step-by-step explanation:

4 0
3 years ago
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