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jarptica [38.1K]
3 years ago
9

I need help please will mark you as brainliest

Mathematics
2 answers:
Whitepunk [10]3 years ago
8 0

Answer:

178 correct problems

Step-by-step explanation:

turn the percentage into a decimal (0.89) and multiply it by the number of questions

ExtremeBDS [4]3 years ago
3 0

Answer: 178

Step-by-step explanation:

89% x 200. Change percent to decimal by moving the decimal to the left two places.

.89 x 200 = 178

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The lines below are perpendicular. If the slope of the green line is 3/2, what is the slope of the red line​?
SSSSS [86.1K]

Answer:

-2/3

Step-by-step explanation:

Perpendicular slopes have lines that multiply to -1

m* 3/2 = -1

Multiply each side by 2/3

m* 3/2 * 2/3 = -1 * 2/3

m = -2/3

The slope of the perpendicular line is -2/3

4 0
3 years ago
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Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.
Olin [163]
I hope this helps you

6 0
3 years ago
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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

3 0
3 years ago
Can someone please do this for me, It would be amazing!<br><br>sorry that's all the points I have :(
Serggg [28]

If i was you i would look up every box in the word bank then find examples of each box and do the best I could.

-hope this helps!

7 0
3 years ago
Divide.<br> +2=0<br> 1. Submit
n200080 [17]

Answer:do you mean 2/0 because that would be 0

Step-by-step explanation:

7 0
3 years ago
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