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3 years ago

I need help I’m not good at math lol

Mathematics

1 answer:

Shkiper50 [21]3 years ago

7 0

Same and don’t worrie all you need to know is that if you are getting stuck on a problem yell at your teacher and throw stuff at people

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A number cube has the numbers

kogti [31]

Answer:

that is based on luck u could get 5 everytime or none, depends on what roll

7 0

3 years ago

Is (5,6.5) a solution to y= -1/2x + 9?

Jlenok [28]

6.5 = - 1/2(5) + 9

6.5 = - 2.5 + 9 which is the same as 6.5 = 9 - 2.5

6.5 = 6.5

So yes, this ordered pair IS a solution.

3 0

3 years ago

Jack is in charge of road construction crew. The crew must complete 6/7 of a mile of the road by the end of the day. By noon the

Crazy boy [7]

3/7? I’m not positive on this, it’s very straightforward but i mean 6/7 - 3/7 = 3/7 so i’m going with that

5 0

3 years ago

What equation represents a parabola with a focus of (0,4) and a directrix of y=2

scZoUnD [109]

We know that

Any point (x,y) on the parabola is equidistant from the focus and the directrix

Therefore,

focus (0,4) and directrix of y=2

√[(x−0)²+(y−4)²]=y−(2)

√[x²+(y-4)²]=y-2

x²+(y-4)²=(y-2)²

x²+y²-8y+16=y²-4y+4

x²=4y-12-----> 4y=x²+12----->y= (x²/4)+3

the answer is

y= (x²/4)+3

7 0

3 years ago

A cactus casts a shadow 33 feet long. At the same time of day, Liam who is 6 feet tall, casts a shadow 9 feet long, as shown.

castortr0y [4]

Answer:

here's the solution :-

1.) =》the base of the larger triangle is the length of shadow formed by cactus .

so, length of cactus is : 33 feet.

2.) now, jn the smaller triangle formed by liam and it's shadow : -

=》

since both triangle form 90° the bases of both the larger and smaller triangles are parallel , so the base angles of larger triangle = corresponding base angles of the smaller triangle

hence, the both triangles are similar

( by A.A postulate )

now since the both triangles are similar, the the sides will be proportional ,

=》

$\frac{9}{33} = \frac{6}{x}$

=》

$x = \frac{6}{9} \times 33$

=》

$x = 2 \times 11$

=》

$x = 22$

so, length of the cactus = x = 22 feet

6 0

3 years ago