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3 years ago

PLEASE HELP ME!!! I NEED HELP!!! WILL MARK BRAINLIEST!!!

Mathematics

1 answer:

GREYUIT [131]3 years ago

3 0

Answer:

1.) D

2.) F

3.) C

4.) H

Step-by-step explanation:

i am positive on 4, but not totally sure on 1, 2, and 3

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An open box is to be constructed from a square piece of sheet metal by removing a square of side 6 feet from each corner and tur

den301095 [7]

Answer:

24 feet

Step-by-step explanation:

We are given that an open box is to be constructed from a square piece of sheet metal by removing a square side 6 feet from each corner and turning up the edges.

We have to find the dimensions of the sheet metal

Let x feet be the side of square metal sheet

Length of box=x-12 feet (because 6 feet removed from each corner)

Width of box=x-12 feet

Height of box=6 feet

Volume of box=864 cubic feet

We know that volume of cuboid= $l\times b\times h$

Box is in cuboid shaped

Therefore, volume of box= $6(x-12)(x-12)$

$6(x^2-24x+144)=864$

$x^2-24x+144=\frac{864}{6}$

$x^2-24x+144=144$

$x^2-24x+144-144=0$

$x(x-24)=0$

Then , $x=0 , x-24=0$

$x=24$

x=0 is not possible because side of square metal sheet can not be zero

Therefore, x=24

All sides of square metal sheet are equal.

Hence, side of square metal sheet =24 feet

4 0

4 years ago

Rewrite (y x 6) x 5 using the associative property.

nasty-shy [4]

Answer:

y * ( 6*5)

Step-by-step explanation:

(y x 6) x 5

We can change the order of multiplication by changing where the parentheses are placed using the associative property

y * ( 6*5)

6 0

4 years ago

Read 2 more answers

What expression is equivalent to (7 x P) +5 ?

irinina [24]

Answer:

Your question is incomplete, please edit it.

4 0

3 years ago

Two friends, Alejandra and Mia, agreed to split the check at a restaurant. Alejandra ordered $12 worth of food and Mia ordered $

dedylja [7]

12+18=30 so together they have $30.00 in all.

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3 years ago

A and b please on #2

Neporo4naja [7]

Answer:

1. 9.12

2. 10.64

3. 12.16

b- No it does not because it does not include the 5 pennies that are already there.

Step-by-step explanation:

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3 years ago