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lions [1.4K]
3 years ago
13

Claire got 17 out of 20 questions correct on her vocabulary quiz. What percent of the questions did she get right

Mathematics
1 answer:
notka56 [123]3 years ago
4 0

Answer: The correct answer is 85%

Step-by-step explanation:

If you divide 17 by 20 then you'll get 0.85 which is the same as 85%.

  • 17 ÷ 20 = 0.85, OR, 85%  ← Work

* Hopefully this helps:) Mark me the brainliest:)!!!

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You are a landscaper, and you are designing a fence to enclose part of a yard. The section to be enclosed is rectangular and has
pickupchik [31]

Answer:

If you draw this out, you can see that total fence equation will be:

2L + 4W = 1200

Simplify, divide by 2

L + 2W = 600

L = (600-2W)

:

Area;

A = L*W

Substitute (600-2W) for L:

A = (600-2W)*W

A = -2W^2 + 600W; a quadratic equation

 

:

The dimension that will produce the greatest area will be the "axis of symmetry

which is: x = %28-b%29%2F%282a%29

:

In this equation a=-2, b=600

W = %28-600%29%2F%282%2A-2%29

W = %28-600%29%2F%28-4%29

W = +150 ft is the width

:

Find the length

L = 600 - 2(150)

L = 300 ft is the length

:

We can say the a field 300 by 150 gives he greatest area

:

This illustrated on a graph where y axis is the area and x axis is the width:

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
I give a medal if you can figure this out fast! A certain forest covers an area of 4200 km2 . Suppose that each year this area d
oee [108]
<span>1541.213 square km would be correct

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7 0
4 years ago
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1. Let the sample space represent all the values from 1 to 10. Let A = {1, 2, 8} and B = {2, 7}. What is the P(A ∩ B)?
AnnZ [28]

A \cap B denotes to all common elements in both A and B

  • Sample space=S={1,2,3,4,5,6,7,8,9,10}

So

  • A={1,2,8}
  • B={2,7}

2 is common

Hence

A $\cap$ B={2}

7 0
2 years ago
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A ship sails from point (1, 2) to point (5, 5), as shown. If each unit represents one mile, how far has the ship sailed?
GrogVix [38]

Hello!

To find how far the ship has sailed, we need to use the distance formula. The distance formula is: d = \sqrt{(x_{2}-x_{1}) ^{2}+ (y_{2}-y_{1}) ^{2} }.

Before using the formula, we need to assign the given points to (x_{1}, y_{1}) and (x_{2},y_{2}). The point (1, 2) can be assigned to (x_{1}, y_{1}) and (5, 5) can be assigned to (x_{2},y_{2}).

With the assigned ordered pairs, we can substitute it into the formula.

d = \sqrt{(5-1) ^{2}+ (5-2) ^{2} }

d= \sqrt{(4) ^{2}+ (3) ^{2} }

d = \sqrt{16 + 9}

d = \sqrt{25} = 5

Given that each unit represents one mile, then therefore the ship has sailed 5 miles, which is choice A.

5 0
3 years ago
Find the length of the segment with endpoints of (3, 2) and (-3, -6).
nevsk [136]

The distance between (3, 2) and (-3, -6) is 10 units

The correct answer is B) 10

Further explanation:

Given points are:

(x1,y1) = (3,2)

(x2,y2)=(-3,-6)

The distance formula is given by:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Putting the values

d=\sqrt{(-3-3)^2+(-6-2)^2}\\=\sqrt{(-6)^2+(-8)^2} \\=\sqrt{36+64}\\ =\sqrt{100}\\d=10

The distance between (3, 2) and (-3, -6) is 10 units

Keywords: Magnitude, Distance

Learn more about magnitude at:

  • brainly.com/question/12876715
  • brainly.com/question/12933539

#LearnwithBrainly

8 0
4 years ago
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