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Marianna [84]
3 years ago
5

ILL MARK BRAINIEST IF YOU CAN HELP!!!

Mathematics
1 answer:
Norma-Jean [14]3 years ago
3 0
The one that you have marked in the picture is right because you are taking away two hours and dividing 400 by s
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Is x = -7, the solution to -11 + 2x = -26? Justify your answer in complete sentences.
Natali5045456 [20]
First of all, you can move the +2x to the other side:
-11 = -26 - 2x

Then you can move the -26 to the other side and then simplify:
-11+26 = -2x
 15 = -2x

Then you can divide both sides by 2:
7.5 = -x

Then you can flip the sides and the signs around:
x = -7.5

No, The answer is not -7, it is -7.5
Hope this helps! :)
4 0
3 years ago
What is the square root of 1/121
icang [17]

Answer:

11

Step-by-step explanation:

example 11×11 = 121

therefore squreroots = 11

8 0
3 years ago
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What is the measure of angle x? need help asap <br>​
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83! :)

Step-by-step explanation:

It all equals 180.

So,

53+44+?=180

180-53-44=83! :)

83+53+44=180! :)

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3 years ago
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Jim owns an ice-cream store. Use the clues to find out how many ice-cream cones he sold last week. • He sold more than 300 but f
allsm [11]

Answer:

Step-by-step explanation:

Remark

The last digit is 1 3 5  7 9 because the last digit is odd.

The first digit must be a 3 because the number is between 300 and 350

Let the first digit = x

Let the second digit = y

Let the third digit = z

x + y = z

x + y + z = 14                        Substitute z for x + y

z + z = 14                              Combine

2z = 14                                  Divide by 2

2z/2 = 14/2                            

z = 7

The first digit is 3 and the third digit = 7

The middle digit is 3 less than the last digit.

y = 7 - 3 = 4

Answer

347

4 0
2 years ago
Louisa put her nickels collection into rolls that hold 40 nickles each. She filled 15 rolls and had 7 nickels left over. Altoget
Law Incorporation [45]

Answer:

She has 607 nickels

Step-by-step explanation:

40 x 15 + 7 = 607

7 0
3 years ago
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