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3 years ago

Can someone help me with this question and show me the steps please -13+x=-25

Mathematics

2 answers:

Sergeeva-Olga [200]3 years ago

8 0

Answer:

x = -12

Step-by-step explanation:

-13+x=-25

Add 13 to each side

-13+13+x=-25+13

x = -12

Dmitrij [34]3 years ago

3 0

Answer:

x= -12

Step-by-step explanation:

-13+x=-25

+13 +13

x= -12

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The slope of the line through -9,6 and -6,-9

Kruka [31]

Answer:

Step-by-step explanation:

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3 years ago

What are the blank numbers for 16, 17, 18, and 19

Natasha_Volkova [10]

Answer:

16: 0.5, 5, 7.5

17: 62, 434, 682

18: 12.3, 62.5, 10

19: 1, 75, 300

Step-by-step explanation:

16: 9/18=0.5 so halve the numbers

17: 186/3=62 so multiply numbers by 62

18: 24.6/2= 12.3 so multiply by 12.3 and divide for the last one

19: 125/5=25 so for the first one divide by 25 and for the last two times by 25

8 0

3 years ago

What is the equation of the line with a slope of –3 and a y-intercept of 4?

arsen [322]

Answer:

y=-3x+4

y=mx+b

m is the slope

b is the yint

5 0

3 years ago

Read 2 more answers

at 1:30 in the afternoon an old freight train and a new dart express train pull out of the new garland station going in opposite

nydimaria [60]

Solution: The speed of old freight train is 0.5 miles per minute and the speed of new dart express train is 1.5 miles per minute.

Explanation:

Let the speed of old freight train is x miles per minute and the speed of new dart express train is y miles per minute.

It is given that the speed of the dart express train is three times faster than the freight train. So, it can be written as,

$3x=y$ ....(1)

The trains are moving towards the opposite directions, therefore the distance between them is increased at the speed of $(x+y)$ miles per minute.

$Distance=Speed\times Time$

The distance between both train in 15 minutes is represented by $15(x+y)$ .

According to the given information the distance between trains is 30 miles in 15 minutes.

$15(x+y)=30$

$x+y=2$

Use equation (1) and put $y=3x$

$x+3x=2$

$4x=2$

$x=0.5$

Put this value in equation (1), to find the value of y.

$y=3(0.5)$

$y=1.5$

Therefore, the The speed of old freight train is 0.5 miles per minute and the speed of new dart express train is 1.5 miles per minute.

4 0

3 years ago

Solve x^2 + 5x+6 = 0

prisoha [69]

Answer:

X=-2or,-3

Step-by-step explanation:

X^2+5x+6=0

or,x^2+(2+3)x+6=0

or,x^2+2x+3x+6=0

or,x(x+2)+3(x+2)=0

or,(x+3) (x+2)=0

Either,

x+3=0 x+2=0

or,x=-3 or,x=-2

Therefore,the value if x is -2 or -3 .

I HOPE IT WILL HELP YOU

7 0

3 years ago