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Greeley [361]
3 years ago
5

Find the solution to the system of equations y=−7x+3y=−x−3​

Mathematics
1 answer:
babunello [35]3 years ago
3 0

Answer:

x=1, y=-4. (1, -4).

Step-by-step explanation:

y=-7x+3

y=-x-3

-------------

-7x+3=-x-3

-7x-(-x)+3=-3

-7x+x=-3-3

-6x=-6

6x=6

x=6/6

x=1

y=-1-3=-4

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Help please I’ve been looking online for help but couldn’t find any.
alexandr1967 [171]
5 is 33 because the question ends up being 14+3+16
4 0
3 years ago
3 = q/11 i need it real quick
makkiz [27]

Answer:

q=33

Step-by-step explanation:

So we have:

3=\frac{q}{11}

Multiply both sides by 11:

11(3)=(11)\frac{q}{11}

The right side cancels:

11(3)=q

Multiply the left:

33=q

Thus, the value of q is 33.

7 0
2 years ago
Read 2 more answers
What is 3/4 + 3.3 - 1 1/2?
guapka [62]

Answer:

2.55

Step-by-step explanation:1

Convert 1121\frac{1}{2}1​2​​1​​ to improper fraction. Use this rule: abc=ac+bca \frac{b}{c}=\frac{ac+b}{c}a​c​​b​​=​c​​ac+b​​.

34+3.3−1×2+12\frac{3}{4}+3.3-\frac{1\times 2+1}{2}​4​​3​​+3.3−​2​​1×2+1​​

2

Simplify 1×21\times 21×2 to 222.

34+3.3−2+12\frac{3}{4}+3.3-\frac{2+1}{2}​4​​3​​+3.3−​2​​2+1​​

3

Simplify 2+12+12+1 to 333.

34+3.3−32\frac{3}{4}+3.3-\frac{3}{2}​4​​3​​+3.3−​2​​3​​

4

Simplify.

5.12\frac{5.1}{2}​2​​5.1​​

5

Simplify.

2.552.552.55

6 0
2 years ago
Of the 1,000 students in a local college, 420 own brand X mobile phones and 580 own brand Y mobile phones. Of these students, 80
egoroff_w [7]
If we were to put this in terms of a venn diagram, we would have 360 owning only brand X, 500 owning only brand Y, and 80 in between, owning both. Therefore, 80 out of the 580 owners of brand Y may have X as well, which we put into fraction form 80/580, and reduce to 4/29.
5 0
3 years ago
Read 2 more answers
Given:
olga55 [171]

Answer:

Step-by-step explanation:

y = 1/3x + 6

y = 1/4x + 3

this is just a matter of substitution...subbing in one y for the other

y = 1/3x + 6.....so sub in 1/3x + 6 in for y, back into the second equation or u can work it the other way and sub in 1/4x + 3 in for y, back into the first equation....either way will work

1/3x + 6 = 1/4x + 3

1/3x - 1/4x = 3 - 6

4/12x - 3/12x = -3

1/12x = -3

x = -3 * 12

x = - 36

now sub that back into either of ur original equations to find y

y = 1/3x + 6

y = 1/3(-36) + 6

y = - 12 + 6

y = - 6

solution is : x = -36 and y = -6 or (-36,-6)

8 0
3 years ago
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