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Tresset [83]
3 years ago
8

3 2/5 + ? = 4 how do I solve this problem with addiction of mixed numbers

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
8 0

Answer:

Step-by-step explanation:

3 2/5 + ? = 4

17/5 + ? = 4

? = 4 - 17/5

? = (20 - 17)/5

? = 3/5

STALIN [3.7K]3 years ago
5 0
2/5 + 3/5 = 5/5= 1
Which means 3+1=4
The ? Is 3/5
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Multiply.
Vedmedyk [2.9K]

Answer:

Hello, There! i Noticed that your Question is 4.62 x 106 I'm Suggesting you mean 4.2 x 10 to the 6th power.

4,620,000 Is the Correct Answer My Friend! <3

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3 0
2 years ago
Solve each system by substitution<br><br> 2x - 3y = -1<br> X + 4y = -6
lord [1]

Answer:

(- 2, - 1 )

Step-by-step explanation:

Given the 2 equations

2x - 3y = - 1 → (1)

x + 4y = - 6 → (2)

Rearrange (2) expressing x in terms of y by subtracting 4y from both sides

x = - 6 - 4y → (3)

Substitute x = - 6 - 4y into (1)

2(- 6 - 4y) - 3y = - 1 ← distribute and simplify left side

- 12 - 8y - 3y = - 1

- 12 - 11y = - 1 ( add 12 to both sides )

- 11y = 11 ( divide both sides by - 11 )

y = - 1

Substitute y = - 1 into (3) for corresponding value of x

x = - 6 - 4(- 1) = - 6 + 4 = - 2

Solution is (- 2, - 1 )

3 0
3 years ago
at a highschool, the length of a class period is 40 minutes. What is the length, in hours, of a class period at the high school?
Viktor [21]

Answer:

2/3 hours

Step-by-step explanation:

40 minutes = 40/60 = 2/3 hours

4 0
3 years ago
Evaluate y/2x-z x=4y=3and z=2
Gwar [14]
First you plug in the missing values
y=3 x=4 z=2
3÷2×4-2
than you solve
the answer is 4
5 0
3 years ago
M∠GHI = 3x° and m∠LMN = 17x°. If ∠GHI and ∠LMN are supplementary, find the measure of each angle.
Savatey [412]
If they are supplementary then 3x + 17x = 180

20x = 180

x = 9     
m<GHI = 27 degrees
m < LMN = 153 degrees
3 0
3 years ago
Read 2 more answers
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