Ask question

Ask question

All categories

3 years ago

7

Three good friends are in the same algebra class. Their scores on a recent test are three consecutive integers whose sum is 252

? Pls asap

1 answer:

vichka [17]3 years ago

3 0

Answer:

83, 84, 85

Step-by-step explanation:

You might be interested in

An open-top box with a square base is to have a volume of 4 cubic feet. Find the dimensions of the box (in ft) that can be made

Lemur [1.5K]

Answer:

The dimension of box= $2ft\times 2ft\times 1ft$

Step-by-step explanation:

We are given that

Volume of box=4 cubic feet

Let x be the side of square base and h be the height of box

Volume of box= $lbh=x^2h$

$4=x^2h$

$h=\frac{4}{x^2}$

Now, surface area of box,A= $x^2+4xh$

$A=x^2+4x(\frac{4}{x^2})=x^2+\frac{16}{x}$

$\frac{dA}{dx}=2x-\frac{16}{x^2}$

$\frac{dA}{dx}=0$

$2x-\frac{16}{x^2}=0$

$2x=\frac{16}{x^2}$

$x^3=8$

$x=2$

$\frac{d^2A}{dx^2}=2+\frac{32}{x^3}$

Substitute x=2

$\frac{d^2A}{dx^2}=2+\frac{32}{2^3}=2+4=6>0$

Hence, the area of box is minimum at x=2

Therefore, side of square base,x=2 ft

Height of box,h= $\frac{4}{2^2}=1 ft$

Hence, the dimension of box= $2ft\times 2ft\times 1ft$

5 0

2 years ago

Graph y=1/4x-6 Use the line tool and select two points on the line

DochEvi [55]

Answer:

2 points would be 10 and -10

Step-by-step explanation:

7 0

3 years ago

Help please.........................

Juli2301 [7.4K]

Answer is

8 and 2

I hope this helps

6 0

2 years ago

What is the value of 4 x minus 7 when x = 4?191623

katen-ka-za [31]

Solution:

Given:

$4x-7$

when x = 4,

$\begin{gathered} Substitute\text{ }x=4\text{ into }4x-7 \\ 4x-7=4(4)-7 \\ =16-7 \\ =9 \end{gathered}$

The answer is 9.

7 0

1 year ago

A certain test is worth 125 points. How many point are needed to obtain a score of 85%

aksik [14]

Answer:

106

Step-by-step explanation:

85% of 125 is 106 so therefore you would need to answer 106 correct.

4 0

2 years ago