Mark is saving money to buy a new bike, he needs a 120 dollars, but has only saved 60 percent how much money has a saved.

Answers

Answer 1

Answer:

60% of 120 is 72. Therefore, Mark has only saved 72 dollars.

Answer 2

Answer: I think he has saved 72$
hope that helps!

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BEST GETS BRAINLEST.A construction engineer needs to make 25 square concrete slabs with sides of length x feet and a height x - 3 feet. If the engineer can use at most 350,000ft^3 of concrete, what should the dimensions of each slab be, to the nearest foot?

a. Write an expression for the volume of all the slabs

b. What should x equal, to the nearest foot?

Answers

Answer:

x ≈ 118 ft

Step-by-step explanation:

To get an expression for the volume of all slabs, we can use the formula of volume of cuboid 'V', which is equal to the product of its length 'x', breadth 'x' and height 'x-3' i.e.

$V = x.x.(x-3)$

For 25 slabs,

$V = 25x.x.(x-3)$

Since, V cannot be more than 350,000 $ft^(3)$ , therefore,

$350000 = 25x^(2) (x-3)$

which can be written as:

either:

$350000 = 25x^(2)$

$x = \sqrt{ (350000)/(25)$

x ≈ 118 ft

or:

$x - 3 = 350000$

$x = 350003$

which is not possible.

Hence x should be 118 ft

We know that the given side lengths are x and the height is x.

Therefore, the area of the base = $A = x * x$

$Formula =\ \textgreater \ volume = length*width*height$

$To \ find \ the \ volume \ of \ 1 \ slab, \ multiply \ by \ the \ height$ $x -3$

$= x*x*(x-3)$

$Volume \ of \ 25 \ slabs =$ $25*x^2*(x-3)=350000$

$350,000/25 = 14,000$

$x^3 - 3x^2 - 14000$

$= 25.14$

$Rounded => x=25$

Help I don’t know how to do this

Answers

The percent change is 175%

Step-by-step explanation:

Given

8 is increased to 22

The formula for percent change is given by:

$Percent\ change = (amount\ of\ change)/(original\ amount) * 100$

Amount of change = 22-8= 14

So,

Percent change will be calculated as:

$Percent\ change = (14)/(8) * 100\n= 1.75 * 100\n= 175\%$

The percent change is 175%

Keywords: Percent change, percentage

Learn more about percentage at:

#LearnwithBrainly

Round 992,449 to the nearest hundred thousand

Answers

1,000,000 because the number behind the 900,000 is 90,000 which makes that one greater

20 POINTS!!!!!!!!! 1. Which linear equation has a slope of 3 and a y-intercept of –2?
y = 3x + 2
y = 3x – 2
y = –2x + 3
y = –2x – 3
2.Adriana writes the equation y = 2x + 4 to represent a line on a graph. Henry writes an equation that has a y-intercept that is 1 unit lower on the graph but has the same slope as Adriana’s line. Which is Henry’s equation?
y = x + 4
y = 3x + 4
y = 2x + 3
y = 2x + 5

Answers

1) the answer is y=3x-2
Explanation: the slope is the number on the left side of x and the y-intercept is on the right side of x.

2) the answer is y=2x+3
Explanation: Henry's slope is the same as Adriana's (2/1). Henry's y-intercept is one lower than Adriana's, so you subtract (4-1=3) - Henry's y-intercept is 3.

17 units to the left of -6 on a number line.

Answers

17 units to the left of -6 on a number line is - 6 - 17 which equals to - 23.

What is a number line?

A number line is exactly what it sounds like a horizontal, straight line with numbers spaced evenly apart throughout its length. Since it's not a ruler, the distance between each number is irrelevant; instead, the numbers on the line specify how they should be used.

The given statement 17 units to the left of - 6 on a number line can be interpreted as,

We we'll start at - 6 on the number line, Now we know moving to the left horizontal direction in a number line results in subtraction.

Therefore, 17 units to the left of - 6 on a number line is,

= - 6 - 17.

= - 23 units from the origin which should be labeled at zero.

learn more about number line here :

brainly.com/question/13425491

#SPJ2

Answer:

-23

Step-by-step explanation:

-6-17=-23