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spin [16.1K]
3 years ago
7

molly has two older twin brothers if you multiply all three of their ages together you get 128 how old is molly and her brothers

Mathematics
1 answer:
seropon [69]3 years ago
5 0

Answer:

8,8 and 2

Step-by-step explanation:

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I NEED MEGA HELP WITH THIS QUESTION
katrin2010 [14]

Answer:

C. y =  -  \frac{1}{4} x - 2

Step-by-step explanation:

To find slope using coordinates, use the formula above.

(4, - 3) \: (0, - 2)→ \frac{ - 2 - ( - 3)}{0 - 4}→ \frac{ - 2 + 3}{ - 4} → -  \frac{1}{4}

Now, using the y = mx + b formula, plug in -  \frac{1}{4} as m (slope) and either coordinate as the x and y values. It looks like this:

- 3 =   - \frac{1}{4}(4)  + b

To solve for b, continue to use PEMDAS.

- 3 =   - \frac{1}{4}(4)  + b→ - 3 =  - 1 + b→ - 2 = b

Now use m and b to solve for your equation:

y =  -  \frac{1}{4} x - 2

The answer is C.

4 0
3 years ago
Work out the mean for the data set below:<br> 403, 404<br> Give your answer as a decimal.
mihalych1998 [28]

Answer:

605.5

Step-by-step explanation:

When you do a frequency table for this question,the zigma F becomes 2 and the zigma fx becomes 1211.Because you will multiply the marks by the frequency to get the zigma fx so after getting them you add it.Which becomes 403+808=1211.the formula for finding the mean too is zigma fx/zigma f: 1211/2=605.5

7 0
3 years ago
What is the length of the unknown side of the right triangle 7,24,25,31
34kurt

Answer: 25

Step-by-step explanation:

4 0
3 years ago
Solve the multiplication problem -5/8 times 2/3
wel

Answer:

\frac{-5}{8}\times \frac{2}{3}=\frac{-5}{12} or -0.42

Step-by-step explanation:

Given:

The statement says -5/8 times 2/3

Solution:

=\frac{-5}{8}\times \frac{2}{3}

=\frac{-5\times 2}{8\times 3}

=\frac{-10}{24}

the numerator and denominator is divided by 2

=\frac{-5}{12}

Therefore, The multiplication of \frac{-5}{8} and \frac{2}{3} is \frac{-5}{12} or -0.42

4 0
3 years ago
Arlo has 6 pairs of slacks and 4 dress shirts How many ways can Arlo choose one pair of slacks and one dress shirt? 2 6 10 24
Rashid [163]

For every pair of slacks Arlo can choose 4 dresses so the number of ways is

6 * 4 = 24 answer

5 0
3 years ago
Read 2 more answers
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