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marta [7]
3 years ago
10

Help me answer this question please.​

Mathematics
1 answer:
polet [3.4K]3 years ago
8 0

The right answer is Option B.

Step-by-step explanation:

Given expression is;

5x√2 - 3√2 + x√2

We can add or subtract square roots only when the values inside the square root are same and the variables are also same.

In the given expression, variable x is same with √2, therefore, adding both the roots

6x\sqrt{2} -3\sqrt{2}

6x√2 - 3√2 is equivalent to 5x√2 - 3√2 + x√2.

The right answer is Option B.

Keywords: square roots, subtraction

Learn more about square roots at:

  • brainly.com/question/10435816
  • brainly.com/question/10435836

#LearnwithBrainly

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Cassie received a 20%-off coupon and a $10-off coupon from a department store. She visits the department store during a tax-free
UNO [17]

Answer:

  B.  The original purchase total must be at most to $44 before the discounts are applied.

Step-by-step explanation:

Solve the inequality by adding $10, then dividing by 0.8.

  0.8x -$10 ≤ $25.20

  0.8x ≤ $35.20 . . . . . . . . add $10

  x ≤ $35.20/0.8 . . . . . . . divide by 0.8

  x ≤ $44 . . . . . . . . . the before-discount purchase must be at most $44

4 0
3 years ago
Determine the level of measurement of the variable. an officer's rank in the military Group of answer choices
ElenaW [278]

Answer:

Ordinal

Step-by-step explanation:

Level of measurement used in statistics summarizes what statistical analysis that is possible. There exist three types of level of measurement. The nominal, ordinal and Interval/Ratio level of measurement. Here, our primary focus will be the Ordinal level of measurement.

Ordinal level of measurement indicates the position in a sequence. In the military sector, the officer's rank is said to be Ordinal. This implies that the ordinal level of measurement categorizes variables according to hierarchy or ranks with a meaningful order. Still, the intervals and differences between the variables may not be equal.

3 0
3 years ago
Write the following as an inequality 6 is greater than or equal to x and -2 is less than or equal to x
kipiarov [429]

Answer:

  -2 ≤ x ≤ 6

Step-by-step explanation:

The first is ...

  6 ≥ x

and it can also be written as ...

  x ≤ 6

The second is

  -2 ≤ x

The two inequalities can be combined into one compound inequality:

  -2 ≤ x ≤ 6

_____

<em>Comment on this answer</em>

I prefer the answer in this form because it puts the parts of the expression in the same order that they appear on a number line. It can also be written as ...

  6 ≥ x ≥ -2

7 0
3 years ago
If 9 pairs of jeans cost $121.50 find the cost of 5 pairs
Darya [45]

five pairs of jeans should cost $67.5

3 0
3 years ago
Read 2 more answers
Lhbui=]\k;m#wqeryuk;'][4<br>\75'];[pouy64awreygukpl[;'k;yftawe<br>Q$\
lesya [120]

Answer:

Hmmm not sure I can answer that but if you do ever have a question let me know! :)

Step-by-step explanation:

4 0
3 years ago
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