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valkas [14]
3 years ago
12

Presley is marking the lines for a soccer field. She needs to form a right triangle near the goal. She measures the lengths of h

er sides as 9 yards, 6 yards and √45 yards.
Did Presley form a right triangle? Why?
Mathematics
2 answers:
trasher [3.6K]3 years ago
6 0

Answer:

B. Yes, because 6^2+9^2=9^2

Step-by-step explanation:

I dont really have an explanation but i just did this part on ed-genuity

MissTica3 years ago
4 0

Answer:

b

Step-by-step explanation:

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Multiply these polynomials and simplify. Enter your response in standard form (-6y + 8y4 – 5)(y2 – 11y)
Mashutka [201]

Answer:  The required simplified answer in standard form is 8y^6-88y^5-6y^3+61y^2+55y.

Step-by-step explanation:  We are given to multiply the following polynomials and write the answer is standard form :

M=(-6y+8y^4-5)(y^2-11y)~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

To multiply the given polynomials, we need to multiply each term of one polynomial to each term of the other polynomial.

From (i), we have

M\\\\=(-6y+8y^4-5)(y^2-11y)\\\\=y^2(-6y+8y^4-5)-11y(-6y+8y^4-5)\\\\=-6y^3+8y^6-5y^2+66y^2-88y^5+55y\\\\=8y^6-88y^5-6y^3+61y^2+55y.

Thus, the required simplified answer in standard form is 8y^6-88y^5-6y^3+61y^2+55y.

3 0
3 years ago
Mai has a dome paperweight that she can use as a magnifier. The paperweight is
Shkiper50 [21]

Answer:

6 x 6 x 3 cm

Step-by-step explanation:

The base of the box needs to fit the base of the hemisphere.

The maximum width and length of the hemisphere is the diameter of the base of the hemisphere (which is circular)

Diameter of a circle = 2r

As the radius = 3 cm,  the diameter = 2 x 3 = 6 cm

Therefore, the width and length of the box should both be 6cm

The height of the box needs to accommodate the height of the hemisphere.  The height of the hemisphere is the radius, so the height of the box should be 3 cm.

Therefore, the dimensions of the box should be 6 x 6 x 3 cm

6 0
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Rus_ich [418]

Answer:

7.428 inches

Step-by-step explanation:

4 0
3 years ago
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Which expression represents the product of b and 18?
Anastaziya [24]

Answer:

You're answer is D.18b

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2 years ago
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