3 years ago

There is a triangle with the height of 2 and a base of (x 1) what is the area

Mathematics

1 answer:

Marysya12 [62]3 years ago

5 0

I hope this helps you

Area=height.base/2

Area =2. (x+1)/2

Area =x+1

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SOMEONE PLSS HELP NEED ASAP

miskamm [114]

Answer:

Step-by-step explanation:

if the sides are in proportion set the proportions

6.21/ 5.4 = x/2.6; cross multiply

5.4*x = 6.21 *2.6; divide by 5.4

x= 2.99

4 0

3 years ago

PLEASE HELP!!! I NEED THE ANSWER SOON :)

densk [106]

$y=2x \newline y= x^{2} -3$

Substitue 2x for y in the second equation:

$2x= x^{2} -3$

Rearrange to $a x^{2} +bx+c=0$ form:

$x^{2} -2x-3=0$

Factor:

$(x-3)(x+1)=0$

Zeros are $x=3$ and $x=-1$

To find y-coordinates of pts of intersection, plug these x-values into first equation to get $y=-2$ and $y=6$