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MissTica
3 years ago
14

The sum of numbers is 28. the difference of two numbers is -2. find the numbers​

Mathematics
2 answers:
Vesna [10]3 years ago
7 0
I believe 15 and 13. 13-15=-2 and added is 28....?
Phantasy [73]3 years ago
4 0

Answer:

x=13 and y=15

Step-by-step explanation:

Let the 2 numbers be x and y

ATQ,

x+y = 28 ------ eqn.1

x-y=-2 -------- eqn.2

Adding both the equations:

x+y=28

+x-y=-2

_______

2x = 26

Therefore x=13

Now substituting the value of x in eqn. 1

x+y=28

13+y=28

Therefore y=28-13

=15

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When the product of 5 and a number is increased by5, the result is 17.Find the number
Andreas93 [3]
5n+ 5= 17

5n= 17-5

5n= 12

N= 12/5

N= 2.4

The answer is 2.4.

Hope this helps!
5 0
3 years ago
Find the slope of the line passing through the points (-7, -7) and (-3, 6).
Alenkasestr [34]

Answer:

13/4 - (13,4) - however your teacher wants you to write it out.

Step-by-step explanation:

Rise (y) over Run (x)

Equation:

y2 - y1

over

x2 - x1

Inputting the numbers, 6 - -7 (aka 6+7) over -3 - -7 (aka -3+7)

6+7 = 13

-3+7 = 4

13/4 - The line is rising moving towards the right.

Hope I helped!

5 0
3 years ago
There were 548 films released in 2011. Of these, approximately 8.75% were rated PG (parental guidance suggested). How many PG mo
aliina [53]
Given situation: There were 548 films released in 2011. Rated PG were approximately 8.75% of the released movie. Question: Find how many PG movies were released in 2011. PG means Parental guidance. Solution, => 8.75% = 8.75 / 100 = 0.0875 => Now, let’s multiply this decimal number to the total number of films released. => 548 * 0.0875 => 47.95. Round off to 50. Thus, there were approximately 50 films released that were Rated PG.
4 0
3 years ago
Solve by graphing. x2 2x - 8 = 0<br> a. –2, 4<br> b. 2, –4<br> c. 2, –4<br> d. –2, 4
Luba_88 [7]
Well, to solve, garph the equation y=x^2+2x-8 and y=0
see where they intersect

anyway the easier way is to factor but anyway
0=(x-4)(x+2)


anyway

solution is x=4 and -2

A and D are answers (they are same)
4 0
3 years ago
Read 2 more answers
Simplify 2 over squareroot 5
deff fn [24]
Square Root cannot be in the Denominator, therefore:

2 / <span>√5
2 </span>× √5 / √5 × <span>√5
2</span><span>√5 / 5

Hope this helps! </span>
3 0
3 years ago
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