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2 years ago

Determine the slope giving a table of line values.

Mathematics

1 answer:

kicyunya [14]2 years ago

4 0

Answer:

The slope is easy to find, just take 4 numbers. 10-2/-12-5 = 5.16666667 rounded to the nearest whole number is 6. So, your slope is 6.

Step-by-step explanation:

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An alloy of tin is 15% tin and weights 20 pounds. A second allow is 10% tin. How many pounds of the second alloy must be added t

Fofino [41]

Let x represent the amount to be added. The total amount of tin will be
15%·20 + 10%·x = 12%·(20+x)
(15%-12%)·20 = (12%-10%)·x
3%·20/2% = x
30 = x

30 pounds of 10% tin must be added to get a 12% mixture.

8 0

3 years ago

Drag each tile to the correct box. Order the expressions from least value to greatest value.

wel

Answer:

$\frac{5}{-1.6}$

Step-by-step explanation:

We will solve the given expressions and find the answer in decimals.

1). $5\frac{6}{15}+(-2\frac{4}{5})$ = $5\frac{2}{5}-2\frac{4}{5}$

= 5.4 - 2.8

= 2.6

2). $-3\frac{3}{10}-(-\frac{7}{20})=-3\frac{3}{10}+\frac{7}{20}$

= -3.3 + 0.35

= -2.95

3). $\frac{5}{-1.6}=-\frac{5}{1.6}$

= -3.125

4). (-4.5) × (-2.3) = 10.35

Solution of the expressions in the increasing order will be,

-3.125 < -2.95 < 2.6 < 10.35

$\frac{5}{-1.6}$

5 0

3 years ago

Will mark bianleast

Galina-37 [17]

Left 7 units and up 3 units

8 0

3 years ago

Read 2 more answers

Manuel drove 335 miles in 5 hours.<br> At the same rate, how many miles would he drive in 7 hours?

NikAS [45]

Answer:

469

Step-by-step explanation:

What you need to do is divide 335 by 5 to see how many miles are in one hour. You'll get 67. Then you can multiply 67 by 7 to get an answer of 469.

3 0

3 years ago

Read 2 more answers

Find the common denominator needed to subtract the following fractions. 5/6 -2/7 =

quester [9]

Answer:

Step-by-step explanation:

We need to find the Least Common Multiple (that isn't 0) between 6 and 7. To do this, list each number's multiples.

Multiples of 6: 0, 6, 12, 18, 24, 30, 36, 42, 48, 54

Multiples of 7: 0, 7, 14, 21, 28, 35, 42, 49, 56, 63

Their LCM is 42. Now, we multiply the fractions so the denominators are both 42. !You have to multiply <u>both</u> the numerator and denominator by the same number! For 6, 6*7 is 42, so you multiply both 6 and 5 by 7. When you do this, you get 35/42. For 7, 7*6 is 42, so you have to multiply both 7 and 2 by 6. When you do this, you get 12/42. The new problem is 35/42-12/42.

Hope this helps!

8 0

2 years ago