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LenKa [72]
3 years ago
7

What is the slope of the line that passes through the points (-9, 2) and (0.4)

Mathematics
1 answer:
max2010maxim [7]3 years ago
4 0
The slope of the line is -2/9
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What is 4 2/7 ⋅ 2 1/5 ?
Vikki [24]

Answer: 9 and 3/7

Step-by-step explanation: To multiply a mixed number by a mixed number, we first want to write each mixed number as an improper fraction.

We can write a mixed number as an improper fraction by multiplying the denominator by the whole number and adding the numerator.

We can change 4\frac{2}{7} to the improper fraction 30/7.

We can also change 2\frac{1}{5} to the improper fraction 11/5.

Now, we are simply multiplying fractions. To multiply fractions, we multiply across the numerators and multiply across the denominators. When we multiply these fractions, we will end up with the fraction 330/35. Since 330/35 is not in lowest terms, we need to divide both the numerator and denominator by the greatest common factor of 330 and 35 which is 5 and we will get the improper fraction 66/7.

Notice however that 66/7 can be changed into a mixed number by dividing the denominator which is 7 into the numerator which is 66.

66 divided by 7 equals 9 with a remainder of 3 so we can write 66/7 as the mixed number 9 and 3/7.

Therefore, 4 and 2/7 × 2 and 1/5 = 9 and 3/7

3 0
3 years ago
Read 2 more answers
Which table shows the ratio of Y to X as 8:1? X Y Hours y 3 3 12 20 a. 5 20 56 2 50
Gre4nikov [31]

The table that shows a ratio of y to x as 8:1 is C.

This comes from the fact every value of y is 8 times the value of x given.

4 0
1 year ago
Please help!! Marking Brainliest!
Dmitrij [34]
It’s between A or C
6 0
3 years ago
What is the answer? for this question
nirvana33 [79]

Answer:

3

Step-by-step explanation:

7 0
2 years ago
I really need<br> help on this work it is really difficult help plsss
Paha777 [63]

Answer: 105 square feet

Step-by-step explanation: The answer is 105 square feet because find the area of the pool by multiplying 12 and 20 to get 240. You then want to find the area of the total space. Add 3 to 12 and add 3 to 20. Then multiply 23 by 15 to get 345. You then want to subtract 345 - 240 to get rid of the extra space to get your answer of 105.

6 0
2 years ago
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