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Romashka-Z-Leto [24]
3 years ago
10

PLEASE HELP ME IM BEGGING U THIS IS URGENT, PLEASE ASAP, NO NEED TO EXPLAIN JUST ANSWER PPLZZZZZZ

Mathematics
2 answers:
statuscvo [17]3 years ago
7 0
25% of something is 5000000, so total is 4*5000000 = 20 million
BARSIC [14]3 years ago
4 0
X/4 = 5 million
x = 20 million
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Create an equivalent system of these equations and test your solution <br> x + y = 1<br> x 3y =9
ad-work [718]
An equvilent equation
remember you can do anything to an equation as long asyou do it to both sides


assuming yo have
x+y=1 and
x-3y=9
mulitply both by 2
2x+2y=2
2x-6y=18
those are equvilent



ok, solve initial

x+y=1
x-3y=9
multiply first equation by -1 and add to 2nd equation


-x-y=-1
<u>x-3y=9 +</u>
0x-4y=8

-4y=8
divide both sides by -4
y=-2

sub back
x+y=1
x-2=1
add 2
x=3


x=3
y=-2
(3,-2)

if we test it in other one

2x+2y=2
2(3)+2(-2)=2
6-4=2
2=2
yep

2x-6y=18
2(3)-6(-2)=18
6+12=18
18=18
yep


solution is (3,-2)
4 0
3 years ago
Read 2 more answers
Refer to the rectangle below. The length of the rectangle is x + 12. The width of the rectangle is x + 3.
Elis [28]

Answer:

x^2+15x+36

Step-by-step explanation:

The complete question is shown in the attachment.

The length of the rectangle is x + 12. The width of the rectangle is x + 3.

Recall that area of a rectangle is Length \times Width

In terms of x, the area is (x+12)(x+3)

Recall the distributive property of real numbers: (a+b)(c+d)=a(c+d)+b(c+d)

We apply this property to get:

(x+12)(x+3)=x(x+3)+12(x+3)

We expand again to get:

(x+12)(x+3)=x^2+3x+12x+36

We now simplify to obtain:

(x+12)(x+3)=x^2+15x+36

The area of the rectangle is x^2+15x+36

4 0
3 years ago
A bar graph is used to represent numerical data. True False
Luba_88 [7]

Answer:

true

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which is the graph of the linear inequality x – 2y &gt; –6?
Whitepunk [10]

Answer:

Graph the inequality by finding the boundary line, then shading the appropriate area.

y < 3 + x/2

Step-by-step explanation:

7 0
3 years ago
I need help please!
hoa [83]

the correct answer is c

8 0
3 years ago
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