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4 years ago

Please help I will give out brainliest

Mathematics

1 answer:

erma4kov [3.2K]4 years ago

3 0

Answer:

it easy

Step-by-step explanation:

Go on the x-axis until you reach 4, then do the same on y until you reach 1 then draw the lines until they reach each other. And the value of x is one

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Use substitution to solve the linear system of equations

xenn [34]

we are given

system of equations

$y=4x$

$3x+5y=-46$

we can plug first equation into second equation

we get

$3x+5(4x)=-46$

Simplify left side

$3x+20x=-46$

$23x=-46$

Divide both sides by 23

and we get

$x=-2$

now, we can find y-value

$y=4*-2$

$y=-8$

so, our solution is

$(x,y)=(-2,-8)$ .............Answer

4 0

3 years ago

Factor 2x^2 - 2x - 12

Pavlova-9 [17]

Factor the polynomial.

2(x−3) (x+2)

How to get the answer:

Factor 2x^2−2x−12

2x^2−2x−12

=2(x+2)(x−3)

Answer: 2(x+2)(x−3)

8 0

3 years ago

Please help me im doing a test

Reptile [31]

Answer:

D I think

Step-by-step explanation:

5 0

3 years ago

An airplane can cruise at 570 mph. How far can it fly in 4/3 hours?

cestrela7 [59]

Answer:

The plane can fly 760 miles in 4/3 hours.

Step-by-step explanation:

Given that:

An airplane can cruise at 570 miles per hour.

We have to find the distance travelled by train in 4/3 hours.

Distance = Speed * Time

Distance = $570*\frac{4}{3}$

Distance = $\frac{2280}{3}$

Distance = 760 miles

Hence,

The plane can fly 760 miles in 4/3 hours.

5 0

3 years ago

Help please !!!!!!! thanks, will give brainliest

ludmilkaskok [199]

The correct answer is D. I've had that question before

8 0

4 years ago