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Serga [27]
3 years ago
13

4x + y = 10 can someone please help me

Mathematics
1 answer:
Crazy boy [7]3 years ago
7 0

Answer:

If they are asking about the y intercept then rearrange this as y=mx+c

so y=-4x+10

here 4 is the gradient and 10 is the y intercept

Step-by-step explanation:

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patriot [66]
I think You should break it down to the First and third One because of

7 0
4 years ago
Length of a rectangle is 5 cm longer than the width. Four squares are constructed outside the rectangle such that each of the sq
Arte-miy333 [17]

Answer:

The perimeter of rectangle is 18\ cm

Step-by-step explanation:

Let

x------> the length of rectangle

y----> the width of rectangle

we know that

The area of the constructed figure is equal to

A=xy+2x^{2} +2y^{2}\\A=120\ cm^{2}

so

120=xy+2x^{2} +2y^{2} -----> equation A

x=y+5 -----> equation B

substitute equation B in equation A

120=y(y+5)+2(y+5)^{2} +2y^{2}\\120=y^{2}+5y+2(y^{2}+10y+25)+2y^{2}\\120=y^{2}+5y+2y^{2}+20y+50+2y^{2}\\5y^{2}+25y+50-120=0\\5y^{2}+25y-70=0

using a graphing calculator to resolve the quadratic equation

the solution is

y=2\ cm

Find the value of x

x=2+5=7\ cm

Find the perimeter of rectangle

The perimeter of rectangle is equal to

P=2(x+y)\\P=2(7+2)=18\ cm

3 0
4 years ago
Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AD = 9
8090 [49]

Answer:

16

Step-by-step explanation:

Use a special rule: BD^2=AD*DC (the squared height in right triangle drawn to hypotenuse is equal to the product of the parts of hypotenuse on which height divides the hypotenuse) 12^2=9*DC

DC=16

6 0
3 years ago
Find the slop of the line passing through the given points (2,3),(-1,-6)
professor190 [17]
Slope is rise over run

I would suggest writing the coordinate that is farthest to the left first so it is easier to visualize (-1,-6),(2,3)
as you go to the right, it goes over three, and up 9
9/3 simplifies to 3
the slope is 3
5 0
3 years ago
In word form how do the spell40,583
hoa [83]

For this case we have the following numeric expression:

40,583

What we should do is write the same number in words.

To do this, we must take into account the correct location of each of the digits.

Then we can write the number correctly.

We have then:

40,583 = Forty thousand five hundred eighty-three

Answer:

The number written in words is:

40,583 = Forty thousand five hundred eighty-three

5 0
3 years ago
Read 2 more answers
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