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Korvikt [17]
3 years ago
7

5 - (-9 ) subtracting intergers

Mathematics
2 answers:
vredina [299]3 years ago
5 0

Answer:

14

Step-by-step explanation:

ruslelena [56]3 years ago
4 0

Answer:

14

Step-by-step explanation:

Hope this will help you....

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10-root18/root2 = a+broot2
Sauron [17]

Step-by-step explanation:

\frac{10 -  \sqrt{18} }{ \sqrt{2} } = a + b \sqrt{2}

\frac{10}{ \sqrt{2} }   +  \frac{ -  \sqrt{18} }{ \sqrt{2} }

5 \sqrt{2}   + (  \frac{ -  \sqrt{18} }{ \sqrt{2} } ) \times  \sqrt{2}

a = 5 \sqrt{2}

b =  \frac{ -  \sqrt{18} }{ \sqrt{2} }

8 0
2 years ago
A rectangle is 12m longer than it is wide. Its perimeter is 68m. Write and equation and show steps to find its length and width.
Galina-37 [17]

Answer:

  length: 23 m; width: 11 m.

Step-by-step explanation:

The perimeter of a rectangle is twice the sum of its length and width, so that sum is 34 m. Then you can write two equations in length and width:

  l + w = 34

  l - w = 12

Adding these together gives you ...

  2l = 46

  l = 23 . . . . . . divide by 2

Then the width is

  w = 23 -12 = 11

The length and width are 23 m and 11 m, respectively.

4 0
3 years ago
This morning, Romain notices that the temperature was below zero when the temperature was -11 1/2 degrees. It's afternoon now, a
Anna35 [415]

You didn't ask any questions, but there is enough information here to determine how hotter or colder the temperature has become from in the morning till the afternoon.

Answer:

The weather is 20 7/8 degrees hotter in the afternoon than it was in the morning.

Step-by-step explanation:

Romain notices that the temperature was -11 1/2 degrees.

This corresponds to -23/2 degrees.

In the afternoon, the temperature becomes 9 3/8 degrees, which corresponds to 75/8

This statements tells us that therm temperature has been (23/2 + 75/8) degrees hotter than it was initially.

23/2 + 75/8 = 167/8 = 20 7/8

3 0
3 years ago
Read 2 more answers
Does y = 22x - 65 represent a linear relationship
Luba_88 [7]

yes is a linear line because linear mean a straight line
5 0
3 years ago
What is the equation a line passes through the points p(2,4) q(-1,3)​
yKpoI14uk [10]
Find slope: (y2-y1)/(x2-x1)
(3-4)/(-1-2) = -1/-3 = 1/3
Y = 1/3x + b
4 = 1/3(2) + b
4 = 2/3 + b, b = 10/3
Y = 1/3x + 10/3
4 0
3 years ago
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