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Setler79 [48]
3 years ago
14

Jen solved the equation to determine the number of questions, x, she answered incorrectly on a test. She began by subtracting 10

0 from both sides, then multiplying both sides by –2. Which best describes the accuracy of Jen’s work?
Mathematics
2 answers:
fgiga [73]3 years ago
8 0
Answer is Correct. She could have also subtracted 100 from both sides, then divided by .
KatRina [158]3 years ago
5 0

Answer:

Correct. She could have also subtracted 100 from both sides, then divided by Negative one-half.

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Which steps can be used in order to determine the solution to -1.3+4.6x=0.3+4x?
nata0808 [166]

Answer:

x = 2.67

Move variables to the right and constants to the left, Then divide and you get the answer.

Step-by-step explanation:

-1.3+4.6x=0.3+4x (given)

-1.3x + 0.6x =0.3 (subtraction property of equality)

0.6x = 1.6 (addition property of equality)

x = 2.66666666667 (division property of equality)

2.66666666667 = 2.67 (rounding to the nearest tenth)

4 0
3 years ago
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The odometer in Mr. Washington's car does not work correctly. The odometer recorded 13.2 miles for
IrinaVladis [17]

I think  the answer its 1.8 percent because if you subtract 15-13.2 comes out to be 1.8.

but l also think it could be 12 percent error.      

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3 years ago
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A tree is 47.85 feet tall. What is its height in 1 meters? Use the following conversion: meter is 3.3 feet.
LuckyWell [14K]
You can find the answer for any conversion questions like this

write the values first.
47.85ft - x
3.3ft- 1m
Then cross multiply..
47.85=3.3x
then do opposite operation the variable side
and divide.
47.85÷3.3=14.5m
6 0
3 years ago
Write a paragraph, flowchart, or 2-column proof for the following conjecture:
Tom [10]

Answer:

How I would write my paragraph:

If angle 1 is congruent to angle 4, angle 1 must also be congruent to angle 3 by the transitive property. This is because is angle 3 and angle 4 are vertical angles, and they must be congruent. If angle 1 is congruent to angle 3, then the two lines in the middle must also be parallel due to the converse of the corresponding angles theorem. Because the two lines in the middle are parallel, angle 3 must be congruent to angle 2 by the alternate interior angles theorem.

Step-by-step explanation: your welcome

5 0
3 years ago
33.45 m + 47.701 m + 0.81 m. Write answer to the correct significant figures
Brilliant_brown [7]

Step-by-step explanation:

if correct to:

1 significant figure: 80 m

2 significant figure: 82 m

3 significant figure: 82.0 m

4 significant figure: 81.96 m

8 0
2 years ago
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