3 years ago

Please help me answer this using systems of equations with elimination.

1 answer:

3 0

-5x+13y=-7
5x+4y=24
add the equation to eliminate x:
13y+4y=-7+24
17y=17
solve for y:
17/17y=17/17
y=1
then plug in y into any equation to solve for x:
-5x+13y=-7, y=1
-5x+(13*1)=-7
-5x+13-13=-7-13
-5x=-20
-5/-5x=-20/-5
x=4
the answers are x=4, y=1

You might be interested in

Which of the following has the steepest graph ?

defon

Answer:

D also if you input these equations into Desmos it can graph it for you :)

Step-by-step explanation:

5 0

2 years ago

40% of the 35 male guests wear glasses

AVprozaik [17]

14 males wear glasses

40*35= 1400
1400/100= 14

7 0

3 years ago

In a survey of 3400 people asked about their ice cream preference, 1600 enjoyed chocolate, 1250 enjoyedvanilla, 1700 enjoyed min

velikii [3]

Answer:

Step-by-step explanation:

To understand the situations we must do a Venn diagram:

The total of people asked is 3400. Then,

a) For People who enjoyed vanilla but not chocolate or mint, seeing the diagram of Venn, we can deduce the equations:

$undefined$

b) For people who did not enjoy chocolate, vanilla or mint:

$undefined$

4 0

1 year ago

Six hundred pictures are taken at a photo shoot. Twelve percent of the pictures are black and white. Which equation can be used

Rainbow [258]

Answer:

the answer is the first and why did you delete my answer

Step-by-step explanation:

7 0

2 years ago

811+901+88+5 the sum is

bogdanovich [222]

that all equal 1805 .......

8 0

2 years ago

Read 2 more answers