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Delicious77 [7]
3 years ago
6

What is the simplest form of this expression y^2(-y+4)-7y^3

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
5 0
= -y^3 + 4y^2 - 7y^3
= -8y^3 + 4y^2

answer
-8y^3 + 4y^2
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3 years ago
Mrs. Parker cut a watermelon into fourths. She gave 1 piece to her 3 children to share equally. How much will each child eat?
beks73 [17]

Answer: ¹/₁₂ watermelon

Step-by-step explanation:

Mrs. Parker had a watermelon which she cut into fourths and then gave one of those pieces to her children.

This means that she gave them 1/4 of a watermelon.

There are 3 children and they are to share this piece equally:

= 1/4 ÷ 3

= 1/4 * 1/3

= 1/12

<em>Each child will get 1/12 of the water melon. </em>

6 0
2 years ago
If the radius of a circle is 3.2 meters, what is the diameter?<br> Show your work
Likurg_2 [28]

Answer:

d=6.4m

Step-by-step explanation:

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3 0
3 years ago
Which methods could you use to calculate the y-coordinate of the midpointof a vertical line segment with endpoints at (0,0) and
vodka [1.7K]

Answer:

y-coordinate of midpoint of line segment joining the endpoints (0,0) and (0,15) is 7.5

Step-by-step explanation:

Given two end points of line segment that are (0,0) and (0,15). If we have to find the y-coordinate of midpoint of a vertical line segment then we apply mid point formula.

The Midpoint formula is used when one is need to find the exact center point between two given points.

The mid point M of line segment A(x_{1},y_{1}) and  B(x_{2},y_{2}) can be calculated as

M(\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2})

Mid point of line joining the end points (0,0) and (0,15) is

M(\frac{0+0}{2},\frac{0+15}{2})=M(0,7.5)

Hence, y-coordinate of midpoint of line segment joining the endpoints (0,0) and (0,15) is 7.5

6 0
3 years ago
Ronelle asked 100 students to choose their favorite subject from among mathematics, history, and art. She found that 22 students
gayaneshka [121]
Number of students that chose art = 100-(22+26) = 100- 48 = 52

so percentage of students who chose art = 52%
6 0
3 years ago
Read 2 more answers
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