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vfiekz [6]
3 years ago
8

Addison worked 11 more hours this week than last week. In total, she worked 65 hours this week and last week. Using the equation

2h + 11 = 65, how many hours (h) did Addison work last week?
Mathematics
1 answer:
Bingel [31]3 years ago
5 0

Answer:

27

Step-by-step explanation:

2h+11=65

2h= 65-11

2h=54

then divide both side by two to find h

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Multiply -3x9/14x-0.1x-28
gladu [14]

Answer:

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Step-by-step explanation:

6 0
3 years ago
How to find the least common denominator of 3 fractions?
Lina20 [59]

Answer:

  Find the LCD of the first two, then the LCD of that and the third one.

Step-by-step explanation:

You can do it by finding the LCD of two of the denominators, then the LCD of that and the third denominator.

Or, you can factor each of the denominators and find their LCM by multiplying the unique factors to their highest powers.

___

<u>Example:</u>

  1/21 + 1/35 + 1/45

The LCD of 1/21 and 1/35 is (21·35)/5 = 105. The LCD of 1/105 and 1/45 is ...

  (105·45)/15 = 315

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Using factoring ...

  • 21 = 3·7
  • 35 = 5·7
  • 45 = 3²·5

LCD = 3²·5·7 = 315

3 0
4 years ago
Which of the following is an example of a permutation?
Natalka [10]

Answer:

A should be one example

5 0
4 years ago
Triangle DEF is similar to triangle ABC. What is the length of segment EF? (HINT use scale factor) (Leave answer as a fraction)
Karo-lina-s [1.5K]

We have been given two similar triangles. We are asked to find the length of segment EF.

We know that corresponding sides of similar triangles are proportional, so we will use proportion to solve our given problem.

\frac{EF}{DF}=\frac{BC}{AC}

Upon substituting measure of our given side lengths, we will get:

\frac{EF}{1}=\frac{5}{13}

EF=\frac{5}{13}

Therefore, the length of segment EF is \frac{5}{13} units.

4 0
3 years ago
Someone help me w this problem
kondor19780726 [428]

Answer;

a

Step-by-step explanation:

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