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Sergio [31]
3 years ago
5

Can someone help me please help help help please!!! ​

Mathematics
1 answer:
GuDViN [60]3 years ago
8 0

Answer:

part b is -y1

Step-by-step explanation:

its like subtracting regular numbers just add y so 1-2=-1 then add y so =-1y

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Select all the expressions that are equivalent to 15n - 10
jolli1 [7]
What r the expressions
8 0
3 years ago
Read 2 more answers
Draw the line passing through the point (3,-4) with a slope of 2/3
AleksAgata [21]
You just find the coordinate point. then, use your slope 2/3 (up 2, right 3) :)

EX: if your slope was negative, you’d do the same thing, but opposite -2/-3 (down 2, left 3)

hopefully this helps, good luck with math!! <3

(ps sorry if the drawing bothers you, but I wanted to show you as best as I could on how to solve your question :) )

5 0
3 years ago
The circle will be enlarged by a scale factor of 4.
sertanlavr [38]

Answer:

The area of the new circle is  144\pi \ in^2

Step-by-step explanation:

Given:

radius of the circle = 3 in.

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared.

Let

z-----> the scale factor

x-----> the area of the enlarged circle

y-----> the area of the original circle

So;

z^2= \frac{x}{y}

In this problem we have

z=4 ----> the scale factor

The area of the original circle is equal to

y = \pi r^2= \pi (3)^2= 9\pi \ in^2

Now substituting value of y and solve for x we get;

4^2=\frac{x}{9\pi}\\ \\x= 16\times9\pi= 144\pi \ in^2

Hence Area of the new Circle is 144\pi \ in^2

Also The area of the enlarged circle is 16 times the area of the original circle.

4 0
4 years ago
Rank the numbers in each group from smallest to largest.
Hatshy [7]

Answer:

A)2.6x06x5x6x8,700000

B) -4.0.063,-6x2.5x10x10

Step-by-step explanation:

I'm pretty sure it's like that

5 0
3 years ago
Question 3 of 8. Step 1 of 1
natali 33 [55]

308 gallons of 7% and 77 gallons of 2% are needed to obtain the desired 385 gallons.

<h3><u>Combination</u></h3>

Since a dairy needs 385 gallons of milk containing 6% butterfat, to determine how many gallons each of milk containing 7% butterfat and milk containing 2% butterfat must be used to obtain the desired 385 gallons, the following calculation must be performed:

  • 385 x 0.06 = 23.1
  • 300 x 0.07 + 85 x 0.02 = 22.7
  • 310 x 0.07 + 75 x 0.02 = 23.2
  • 308 x 0.07 + 77 x 0.02 = 23.1

Therefore, 308 gallons of 7% and 77 gallons of 2% are needed to obtain the desired 385 gallons.

Learn more about combination in brainly.com/question/27339616

#SPJ1

4 0
2 years ago
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