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nasty-shy [4]
3 years ago
7

Two numbers, x and y, when added together equal 9 and equal -5 when subtracted.

Mathematics
1 answer:
Sedaia [141]3 years ago
6 0

Answer:

x=2 and y=7

Step-by-step explanation:

Let x and be the unknown numbers.

By the condition given in the question the first equation is

x+y=9

And the second equation is

x-y=-5

By solving the first and second equations,we get the answer as

x=2 and y=7

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I really need help this is a mastery and I need to pass this please help me I will give you a brainly
SashulF [63]
"The length of a rectangle is 5/2 units greater than its width"

'greater' here means multiplication, 5/2 units greater or 5/2 times more. So we know that the length is \sf\dfrac{5}{2}w.

Perimeter of a rectangle is:

\sf P=l+w

Plug in our value for the length:

\sf P=\boxed{\sf \dfrac{5}{2}w+w}
7 0
3 years ago
Talia wants to write the equation of the graphed line in point-slope form. These are the steps she plans to use: Step 1: Choose
TEA [102]
Answer:
Steps 3 and 4 are incorrect because
(a) An incorrect value for slope was obtained in step 3.
(b) The incorrect value for the slope was used in step 4.

Explanation:
Let us evaluate Talia's steps.

Step 1: Select (2, 5) as a point on the line.
            CORRECT

Step 2: Select another point (1, 3) on the line.
            CORRECT

Step 3: Count units to the right and count units up, to determine the slope.
            Units right = 2 - 1 = 1
            Units up = 5 - 3 = 2
            Slope = (Units up)/(Units right) = 2/1 = 2
            INCORRECT because Talia did not obtain a slope of 2.

Step 4: Substitute obtained values in the point-slope form.
             (y - y1) = m(x - x1). If we select the point (1, 3), then
            y - 2 = 2(x - 1).
            Talia's equation is INCORRECT because she used an incorrect value
            for the slope.
8 0
3 years ago
Read 2 more answers
Solve using substitution.<br> X = -5<br> -3x + y = 19
seropon [69]
Y=4
i hope this helped you
8 0
3 years ago
What is the value of g?<br> -5+7g=3g+ 9
Xelga [282]

Answer:

g = 7/2

Step-by-step explanation:

-5 + 7g = 3g + 9

~Add 5 to both sides

7g = 3g + 14

~Subtract 3 to both sides

4g = 14

~Divide 4 to both sides

g = 14/4 or g = 7/2

Best of Luck!

6 0
4 years ago
Which problem is solved using this model?
AfilCa [17]
That would be 1/2 divided by 3

Its A
7 0
4 years ago
Read 2 more answers
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