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Kryger [21]
3 years ago
14

What multiplies to 42 and adds to 10

Mathematics
1 answer:
Darina [25.2K]3 years ago
5 0
Answer=Nothing

Factor pairs of 42: <span>1&42, 2&21, 3&14, 6&7

None of these pairs have a sum of 10.</span>
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Arrange the systems of equations that have a single solution in Increasing order of the x-values in their solutions.
NemiM [27]

Complete question is;

Arrange the systems of equations that have a single solution in Increasing order of the x-values in their solutions.

1) 2x + y = 10

x - 3y = -2

2) x + 2y = 5

2x + y = 4

3) x + 3y = 5

6x - y = 11

4) 2x + y = 10

-6x - 3y = -2

Answer:

Arranging the systems in increasing value of x gives;

System 2, system 3, system 1

Step-by-step explanation:

1) 2x + y = 10 - - - (eq 1)

x - 3y = -2 - - - (eq 2)

Multiply eq 1 by 3 to get;

6x + 3y = 30

Add it to eq 2 to get;

7x = 28

x = 28/7

x = 4

2) x + 2y = 5 - - - (eq 1)

2x + y = 4 - - - (eq 2)

Multiply eq 2 by 2 to get;

4x + 2y = 8

Subtract eq 1 from it to get;

3x = 3

x = 3/3

x = 1

3) x + 3y = 5 - - - (eq 1)

6x - y = 11 - - - (eq 2)

Multiply eq 2 by 3 to get;

18x - 3y = 33

Add to eq(1) to get;

19x = 38

x = 38/19

x = 2

4) 2x + y = 10 - - - (eq 1)

-6x - 3y = -2 - - - (eq 2)

Make y the subject in eq 1 to get;

y = 10 - 2x

Put in eq (2);

-6x - 3(10 - 2x) = -2

-6x - 30 + 6x = -2

0 = 0

Thus,no solution exists.

Arranging the systems in increasing value of x gives;

System 2, system 3, system 1

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3 years ago
Step by step 37 ÷ 6951
Helen [10]

Answer:

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Step-by-step explanation:

Use the algorithm method

7 0
3 years ago
15.
velikii [3]

Answer:

B. x= -2

Step-by-step explanation:

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2 years ago
Each of 7 students reported the number of movies they saw in the past year. Here is what they reported. 16, 13, 19, 16, 8, 10, 1
nydimaria [60]

Answer:

13.1

Step-by-step explanation:

Finding mean in data set is finding the average. The way to find the average is by adding all the data in the set (the # of movies watched), then divide them by how many numbers are in the data set (7).

16+13+19+16+8+10+10=92

After you add the data in the set, you have to divide it by the pieces of data there is.

So 92/7=

13.1428571

<u />

If you round 13.142...to the nearest tenth, you get <u>13.1.</u>

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3 years ago
Find the coordinates of the indicated point after performing the described transformation on triangle ABC
trasher [3.6K]

Answer:

DUDE YOU USE SCHOLOGY!!

Wait is your name andy from the inbox mail tab?? Arent you in 6th grade??

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Step-by-step explanation:

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