3 years ago

X + y = 4 x - y = 6 consistent, inconsistent, equivalent

Mathematics

1 answer:

Ad libitum [116K]3 years ago

6 0

Inconsistent maybe???

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Use the number line to add the fraction. + + 1 1 7 3 -1 10 9 10 1 -1 10 4 5 3 5 Niat 1 2 + 1 5 N GIN 3 10 0 -1 3 10 1 10 + 1 2 +

user100 [1]

This is hard to understand , do u have a photo

8 0

2 years ago

PLEASE HELP I NEED HELP

bulgar [2K]

Yes because each x value differ by 2.5 and each y value also differs at aconstant rat of 1

3 0

3 years ago

Which of the following expressions is equivalent to the expression x - (-3) ?

ziro4ka [17]

D.
X+3
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6 0

2 years ago

Calculate X3 dx . A.×2 + c B. 3X2 + c c . x4 + c D . x4/4+c

olga nikolaevna [1]

$\LARGE \int x^3 dx = \frac{x^4}{4}+C$

So the answer is choice D. You can check this by differentiating the right hand side and you'll get x^3 back again.

This answer can be found by using the power rule for integrals. That rule is

$\LARGE \int x^n dx = \frac{x^{n+1}}{n+1} + C$

4 0

3 years ago

During a baseball game, a food stand sells popcorn for $2.50 and hotdogs for $3 each. If at the end of the game, the stand made

nasty-shy [4]

Let
x-------> bags of popcorn
y-------> bags of hotdogs

we know that
2.50x+3y=200-------> equation 1
x=2y--------> equation 2

substitute 2 in 1

2.50*[2y]+3y=200--------> 5y+3y=200------> 8y=200-----> y=200/8
y=25
x=2y-----> x=2*25-----> x=50

the answer is
50 bags of popcorn
25 bags of hotdogs

5 0

3 years ago