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Rasek [7]
3 years ago
5

Use the graph of the quadratic function y = x2 + x + 4 to answer the question. What are the zeros of the function? –2 and 4 4 an

d 0 4 and –4 –8 and –4
Mathematics
2 answers:
jek_recluse [69]3 years ago
8 0

Answer.

A. -2 and 4

Step-by-step explanation:

If you mean't for the question to really be "Use the graph of the quadratic function y = -1/2x^2 + x + 4 to answer the question.

"

What are the zeros of the function?

–2 and 4

4 and 0

4 and –4

–8 and –4

The answer is A. -2 and 4

(I just took the unit test on e.d.g.e)

otez555 [7]3 years ago
4 0

Answer:

A

Step-by-step explanation:

Just took test

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Susan spent a total of 45$ at the grocery store I’d this amount she spent $18 on fruit what percentage of the total did she spen
Ivenika [448]

Answer:

40% of the total was spent on fruit

Step-by-step explanation:

100%=45    x=18

100/x = 45/18    Now take the inverse of both sides

x/100 = 18/45

This leads to 1800 = 45x

1800 divided by 45 is equal to 40

The total percentage spent on fruit was 40%

8 0
2 years ago
If the seed company recommends planting approximately 350 grass seeds per square meter, about how many grass seeds will he need?
Svetach [21]

Answer:

83422.5 grass seeds

Step-by-step explanation:

Applying,

A = 1/2bh....................... Equation 1

Where A = Area of the Triangle, b = base, h = height.

But, from the diagram,

tanФ = 20/b

b = 20/tanФ.................. Equation 2

Substitute equation 2 into equation 1

A = 1/2(20/tanФ)(h)................ Equation 3

Given: h = 20 m, Ф = 40°

Substitute these values into equation 3

A = 1/2(20×20)/tan40°

A = 200/tan40°

A = 238.35 m²

If the seed company recommends planting approximately 350 grass seeds per square meter,

Therefore,

Number of grass seed need = (350×238.35)

Number of grass seed needed = 83422.5 grass seeds

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The base diameter and the height of a cone are both equal to x units. Which v expression represents the volume of the cone, in c
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Answer:

1/12piX^3

Step-by-step explanation:

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Step-by-step explanation:

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