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algol13
3 years ago
12

I need help someone please help it would mean a lot

Mathematics
2 answers:
Anna71 [15]3 years ago
8 0

Step-by-step explanation:

the answer is 9................

melisa1 [442]3 years ago
4 0
The answer is 9 because you multiply the 4 and 3 by 3 in order to have the same denominator.
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The scale factor of two similar solids is 3:7. What is the ratio of their corresponding volumes?
MAVERICK [17]

Note, if you have a linear scale, then the surface will be the square othis scale & the volume will be the cube of the linear.

Our linear scale is 3/7. then the ration of their corresponding bvolume is:

3³/7³ = 27/343
3 0
3 years ago
Write the equation of the line that satisfies the following conditions:
eduard

Answer:

a. y=-x+-5

b. y=\frac{4}{3}x+\frac{5}{3}

Step-by-step explanation:

to solve part a we have the slope of the line and a point, so we use the point-slope equation

y=m(x-x_{1})+y_{1}

where m is the slope: m=-1, and (x_{1},y_{1}) is the point, so in this case the point is (0,-5) thus x_{1}=0 and y_{1}=-5.Thus the equation is:

y=-1(x-0)+(-5)

y=-x+-5

And for part b we have two points. With the two points we can find the slope and then use the point-slope equation again.

To find the slope we use:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

for the points (x_{1},y_{1}) and (x_{2},y_{2}). Since we have the poits: (1,3) and (-2,-1)

x_{1}=1\\y_{1}=3\\x_{2}=-2\\y_{2}=-1

Thus, the slope:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{-1-3}{-2-1}

m=\frac{-4}{-3}

m=\frac{4}{3}

and now using the point-slope equation:

y=m(x-x_{1})+y_{1}

y=\frac{4}{3}(x-1)+3\\y=\frac{4}{3}x-\frac{4}{3} +3\\y=\frac{4}{3}x+\frac{5}{3}

7 0
3 years ago
In basketball, Shaquille makes 40% of his free throw attempts. He goes to the free throw line to shoot one-and-one (if he makes
AlladinOne [14]
For the answer to the question above,  the best answer to the question would be 2 points. The expected value of the number of points he will score would be two points in every successful free throw attempt he makes. It just has a probability of .40 - which means that in 10 free throw shots, there's a tendency he will only make 4 of them.
6 0
4 years ago
Read 2 more answers
Question 2 Multiple Choice Worth 1 points)
Evgen [1.6K]

Answer:

If D is the midpoint of the segment AB, then we have to find the measure of segment AD. Therefore, AD = 7.5 units will be the answer.

7 0
3 years ago
Make U the subject of the formular S=½(u+v)t​
kirill [66]

Answer:

U = \frac{2S}{t} - v

Step-by-step explanation:

S = \frac{1}{2} (u+v)t

Divide S by 1/2

2S = t(u+v)

Divide 2S by t

\frac{2S}{t} =u + v

Subtract v

U = \frac{2S}{t} - v

5 0
3 years ago
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