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Sladkaya [172]
3 years ago
15

What is the solution to the system of equations? y = 1.5x – 4 y = –x

Mathematics
2 answers:
sasho [114]3 years ago
5 0
I attached a photo of the work. I hope it helps!

pshichka [43]3 years ago
3 0

Answer:

x= 1.6

y= - 1.6

Step-by-step explanation:

y = 1.5x - 4

y = -x

WE solve for x and y using substitution method

LEts plug in -x for y in the first equation

y = 1.5x - 4

-x = 1.5x - 4

Subtract 1.5x on both sides

-2.5x=- 4

Divide both sides by -2.5

x= 1.6

Now plug in 1.6 for x in y=-x

y= - 1.6

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mihalych1998 [28]
4 batches of cookies
5 0
2 years ago
Easy 20 points please tell me if I got it right and if not please tell me the right answer
mash [69]

Answer:

No, you are not correct.

It should look like this:

                              Prefer colorful decorations      Prefer neutral decorations

Pay attention                           20                                                  25

to fashion

Do not pay

attention to                              72                                                      33

fashion

Step-by-step explanation:

33 is 22% of 150. In the question it states that 70% of people do not pay attention to fashion. We need to find the other 48% here. In order to do that we multiply .48 by 150. That gets us 72. To check that answer you can add both 72 and 33 and then divide by 150, which gets 70%.

To get the amount of people that prefer neutral decorations and pay attention to fashion we need to add up 20 + 72 + 33 and that equals 125. Next, we take 150 and minus 125 of it to get 25.

<em>Hope this helps!!</em>

<em>- Kay :)</em>

3 0
3 years ago
What is the value of the underlined digit in the number 126,847?
lapo4ka [179]
One hundred thousand
4 0
3 years ago
Which of the following is an even function?
MaRussiya [10]
Even means g(-x)=g(x)
replace x with -x and see if it simplifies to original functin


g(-x)=(-x-1)²+1
g(-x)=((-1)(x+1))²+1
g(-x)=(x+1)²+1
nope

g(x)=2x²+1
g(-x)=2(-x)²+1
g(-x)=2x²+1
yep

we are done


answer is 2nd one
8 0
3 years ago
Read 2 more answers
The size of a bicycle is determined by the diameter of the wheel. You want a 22-in bicycle for your birthday. What is the area o
oksian1 [2.3K]

Answer:

The Area of the bicycle wheel=380.182 square inch

Step-by-step explanation:

The formula for calculating the area of a wheel is given by;

A=(πd²)/4

A=Area of the wheel to be calculated

Where π (pie)=3.142,

The wheel size is usually denoted by its diameter (d)

d=diameter of the wheel=22 inches

with the values of π and d given, we can plug them in the formula for calculating Area to determine the area of the bicycle wheel

Substituting the values for π and d in the formula;

A=(πd²)/4=(3.142×22²)/4=380.182 in²

The Area of the bicycle wheel=380.182 in²

6 0
3 years ago
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