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ArbitrLikvidat [17]
3 years ago
8

3x + 4 = 10, then 3x = 6. This is an illustration of which property?

Mathematics
2 answers:
Oksanka [162]3 years ago
8 0
3x + 4 = 10..subtract 4 from both sides
3x = 6....subtraction property of equality
user100 [1]3 years ago
4 0
The correct answer is D. subtraction property of equality.

The reason is that you subtract 4 on BOTH sides of an equation, which makes the two sides still equivalent.

Hope this helps.
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A train travels from Ambervale to Westbrook at a constant speed of 96km/h. If the trip takes a total of 3 hours 20 minutes, what
julia-pushkina [17]
320km I think, I hope I’m right
4 0
3 years ago
A hexagon has equal side lengths and angle measures. How many reflectional symmetry does the regular hexagon have?.
MatroZZZ [7]

The regular hexagon has 6 reflectional symmetries.

A regular hexagon has 6 congruent sides.

The number of sides of a polygon is the number of reflectional symmetry the polygon have.

Since the number of congruent sides of a regular hexagon is 6, then the regular hexagon has 6 reflectional symmetries.

Read more about reflectional symmetry at:

brainly.com/question/24584937

3 0
3 years ago
Read 2 more answers
The first term of an arithmetic sequence is 1 and the sum of the first four terms is 100. Find the first four terms ​
7nadin3 [17]

Answer:

1, 17, 33, 49

Step-by-step explanation:

given the first term is 1 then the next 3 terms are

1 + d, 1 + 2d, 1 + 3d ( d is the common difference )

the sum of the first 4 terms is 100 , then

1 + 1 + d + 1 + 2d + 1 + 3d = 100 , that is

4 + 6d = 100 ( subtract 4 from both sides )

6d = 96 ( divide both sides by 6 )

d = 16

1 + d = 1 + 16 = 17

1 + 2d = 1 + 2(16) = 1 + 32 = 33

1 + 3d = 1 + 3(16) = 1 + 48 = 49

the first 4 terms are

1, 17, 33, 49

3 0
2 years ago
Read 2 more answers
Pls someone I need help
Vedmedyk [2.9K]

Answer:

B. Dan walked uphill, then downhill.

Step-by-step explanation:

The place that the slope went up is based on the distance from the starting point, so the distance is up then down. I hope this helped and please mark me as brainliest!

5 0
3 years ago
Please help me with this question <br><br> image attached
Mumz [18]

Answer:  (D) 9

<u>Step-by-step explanation:</u>

This is an isosceles triangle.  Since the legs are congruent, then the base angles are congruent.

9x + 3 = 84

<u>     - 3  </u>  <u>  -3 </u>

9x        = 81

<u>÷9       </u>   <u>÷9 </u>

 x         = 9

8 0
3 years ago
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