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Dmitry [639]
3 years ago
7

Three people are kayaking. They all started at the same point and rowed in the same direction for 20 minutes.

Mathematics
1 answer:
Cloud [144]3 years ago
6 0

We can make everything have the same denominator so we can add, subtract, and compare them:

The common denominator between 2, 4, and 8, is 8.

7/8 = 7/8

1/2 = 4/8

1/4 = 2/8

The question is if Laura rowed more, less, or the same to the combined distance of Daniel and Annabelle:

Laura : 7/8

Daniel: 4/8

Annabelle: 2/8

4/8 + 2/8 = 6/8

So Daniel and Annabelle's distance combined is 6/8, which is less than Laura's:

7/8 > 6/8.

This means that Laura rowed more than Daniel and Annabelle.

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The triangles are similar. Find the value of the variable.
Vitek1552 [10]

Answer:

y = 27

Step-by-step explanation:

The given are two similar triangles.

We can use the following equation to find the variables:

\frac{y-3}{32} = \frac{18}{24}

Cross multiply fractions

32*18 = 24(y-3)

576 = 24y - 72

add 72 to both sides

648 = 24y

divide both sides by 24

27 = y

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2 years ago
Alisha asked 120 students what kind of pet they liked the most. exactly 45% of the students said they liked dogs best. what was
Arada [10]
Answer is b. 54

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3 years ago
The sum of two base 5 numbers 432 and 341 is.​
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3 years ago
#1. How much work is done when you push a crate horizontally with 80N across a 9.0-m factory floor? #2. If the force of friction
VARVARA [1.3K]
#1. 720 Nm
Work = force x distance
Work = 80N x 9m = 720 Nm
#2. 90J
Assume no energy lost in the process,
<span>Kinectic energy=(80N - 70N) x 9m = 90J
#3. 630J
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3 0
4 years ago
Read 2 more answers
kathryn bought an aquarium to replace her fishbowl.The directions for the aquarium say that it should be filled with 9 cubic fee
lesya [120]

The water should fill the aquarium to 1.5 feet

Solution:

Given that the directions for the aquarium say that it should be filled with 9 cubic feet of water.

This means volume of aquarium is 9 cubic feet

Given that aquarium is 2 feet wide and 3 feet long

To find: Height of aquarium

Since a aquarium is in shape of cuboid, we can use the volume of cuboid formula

<em><u>The volume of cuboid is given as:</u></em>

volume of cuboid = l \times w \times h

Where "l" is the length

w is the width

"h" is the height

Substituting the values, we get,

9 = 3 \times 2 \times h\\\\9 = 6 \times h\\\\h = \frac{9}{6} = 1.5

Thus the height of aquarium is 1.5 feet

7 0
3 years ago
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