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Cerrena [4.2K]
3 years ago
9

Mai skated miles, and Clare skated 3/5 farther than that. Write an expression for the distance Clare

Mathematics
2 answers:
nexus9112 [7]3 years ago
6 0
5 is the whole so they skated 2/5 less than the original whole
Lostsunrise [7]3 years ago
5 0

Answer:

(x+\frac{3}{5}) miles

Step-by-step explanation:

This problem states:

<em>Mai skated x miles, and Clare skated 3/5 farther than that. Write an expression for the distance Clare skated.</em>

<em />

First, we know that:

Mai:x (miles)

In this kind of problem, we must look for all words that implies an operation. If you read the problem, you will find that it says <em>"3/5 farther than", </em>which means that Clare staked more than Mai, that's a sum operation.

Therefore, the expression would be:

Clare:(x+\frac{3}{5}) miles

You might be interested in
What is the answer to triple a number is the s game as double the number increased by 5
kramer

Answer:

x = 7

Step-by-step explanation:

Let x = the number. Then

                               "Triple a number" means 3x

                                  "is the same as" means =

"double the number increased by 5" means 2x + 7

∴ 3x = 2x + 7

Subtract 2x from each side

x = 7

The answer is x = 7.

Check:

3 × 7 = 2 × 7 + 7

     21 = 14 + 7

     21 = 21

OK.

6 0
3 years ago
Twice a number, decreased by nineteen
anzhelika [568]
2n-19 I think is the answer :3
5 0
3 years ago
Read 2 more answers
Place elementary school is raising money. they raise $90 a week. how long will it take to raise $900?
Korolek [52]

Answer:10 weeks

Step-by-step explanation:

900 is goal

900/90 is 10 or 10 weeks

7 0
3 years ago
How do you solve this problem?
jekas [21]
Very nice problem. You should look up the history of this question. It has a very long one having to do with mirrors made between 50 BC and 50 AD.

Step One
Find AB, BC, AC
Before beginning this problem, I'm going to arbitrarily name 
c = AB
a = BC
b = AC It just makes the calculations easier.

AB = radius of the large circle - radius of the medium circle = 20.62 - 8.04 = 12.58
BC = Radii of the two smaller circles added together = 8.04 + 7.35 = 15.39
AC = Radius of the large circle - Radius of the small circle = 20.62 - 7.35 = 13.27

So
a = 15.39
b = 13.27
c = 12.58

Step Two
Find Angle A or <BAC
a^2 = b^2 + c^2 - 2*b*c * Cos(A)
15.39^2 = 12.58^2 + 13.27^2 - 2 * 12.58 * 13.27 * Cos(A)
236.852 = 158.26 + 176.1 -  333.87 * Cos(A)
236.852 = 334.4 - 333.87*Cos(A)
-97.55 = - 333.87 *  Cos(A) 
-97.55 / -333.87 = Cos(A)
0.2922 = cos(A)
A = cos-1(0.2922)
A = 73.01 degrees

Step Three
Just to see if you understand what was done, I'll give you the givens for finding c, and the answer and you can work through the calculations to see if your answer agrees with mine. If it doesn't PM me.
c = 12.58
b = 13.27
a = 15.39

12.58^2 = 13.27^2 + 15.39^2 - 2*13.27*15.39*Cos(C)
C = 51.42

Step Four
Find <B
Every triangle has 180 degrees so
B = 180 - <A - C
B = 180 - 51.42 - 74.01
B = <54.57. 
I have found a moderator who opened the question up so that I can show you why the Cos law is the only way to do this. If the circles are very disproportionate as in this diagram, then no simple assumption can be made. The cos law is all that will work. I would have posted this earlier, but I didn't think anyone would find another method. It's ingenious but not possible for the situation below.

3 0
3 years ago
PLEASE HELP!! WILL MARK BRAINLIEST IF RIGHT!!!
denpristay [2]

Answer:

images are:

W'(-5,0)

X'(0,-9)

Y'(-9,-6)

Z'(-6,-2)

Step-by-step explanation:

use formula p(x,y)=p'(y,-x)

4 0
2 years ago
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