Please help this is confusing

Mathematics

1 answer:

andrew11 [14]3 years ago

3 0

h(-8)=(-8)^2+3(8)/4()+27

Do the numerator first

-8*-8+3(-8)

64-24

Do the denominator

4(-8)+27

-32+27

Numerator / Denominator

40/-5=-8

Answer:-8

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Find the distance between points A and B.

VikaD [51]

Answer:

8 units

Step-by-step explanation:

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3 years ago

Read 2 more answers

Factor completely and then place the factor. in the proper location on the grid (4x-+3)(-2x-5)

Ivahew [28]

Yay, love these ones.

First of all, (4x-+3)(-2x-5) is the same as (4x-3)(-2x-5)
So the method for solving these can be remembered by FOIL.
F= Firsts O= Outsides I= Insides L= Lasts

In other words everything is multiplied by everything, for example:
4x * -2x and -3 * -5 is the firsts of the brackets multiplied and last of the brackets mulitplied

4x * -5 and 3 * -2x is the outsides of the brackets multiplied and the insides of the brackets multiplied

The SUM of FOIL is then added:
4x*-2x = -8x^2
-3*-5= 15
4x*-5=-20x
3*-2x=-6x
-8x^2 -20x -6x + 15 = 0
-8x^2 -26x + 15 = 0

So the factored of (4x-3)(-2x-5) = -8x^2 -26x + 15 = 0

So then you graph that equation on your given grid

8 0

3 years ago

Rachel is collecting donations for the local animal shelter. So far she has collected , which is of what she hopes to collect. H

Rudiy27

Answer:

The money Rachael plan to collect for the shelter is $345.

Step-by-step explanation:

There are some data missing in the question, so below is the complete question:

Rachel is collecting donations for the local animal shelter. So far she has collected $245, which is 70% of what she hopes to collect. How much money does Rachel plan to collect for the shelter?

Now, to find the money Rachael plan to collect for the shelter.

Let the total money Rachael plan to collect be $x.$