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beks73 [17]
3 years ago
11

All of the factory workers in a steel mill either purchased their breakfast in the company cafeteria or brought their breakfast

from home on Wednesday. • 26% of the factory workers purchased their breakfast. • 148 brought their breakfast from home. How many factory workers are employed at the steel mill? *
Mathematics
1 answer:
VladimirAG [237]3 years ago
7 0

Answer:

Step-by-step explanation:

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I need help with this question!!
Mashcka [7]

Answer:

QR = 5.

Step-by-step explanation:

Because the parallelograms are similar then the corresponding sides are in the same ratio.

So AB / PQ = BC / QR

9/3 = 15 / QR

15 / QR = 3

QR = 15/3

= 5.  (answer)

7 0
3 years ago
At the beginning of year 1, Josie invests $400 at an annual compound interest
zvonat [6]

Answer:

The explicit formula that can be used is A=\$400(1.05)^{2}

The account's balance at the beginning of year 3 is A=\$441  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=2\ years\\ P=\$400\\ r=0.05\\n=1  

substitute in the formula above  

A=\$400(1+\frac{0.05}{1})^{1*2}  

A=\$400(1.05)^{2}

A=\$441  

3 0
3 years ago
Find the product of 4.4 • 15 • 1.
sammy [17]

Answer:

66

Step-by-step explanation:

4.4 x 15 = 66 and 66 x 1 = 66

3 0
3 years ago
What’s the average speed in km/h of a boat that moves 15 km across a lake in 45 min?
mr Goodwill [35]

Answer:

20 km/hr

Step-by-step explanation:

Hey

Distance= 15km

Time= 45min

Since the unit for time is hours, we will convert 45 minutes to hours

45/60 = 0.75 hours

Speed= d/t

= 15/0.75

= 1500/75

= 20 km/h

Hope this helps

6 0
3 years ago
See the picture below
just olya [345]

Answer:

236.22 cubic centimeters

Step-by-step explanation:

We need to find volume of 3 tennis balls and subtract it from volume of the cylinder to get our answer.

Volume of sphere (tennis ball) = \frac{4}{3}\pi r^3

<u>Note:</u> Radius is half of diameter, which is r = 6.7/2 = 3.35

Volume of 3 tennis balls = 3*\frac{4}{3}\pi r^3\\=3*\frac{4}{3}\pi (3.35)^3\\=472.44

Volume of Cylinder = \pi r^2 h

<u>Note:</u> radius is 3.35 and height is diameter of 3 tennis balls stacked on top of each other, so height is 6.7 * 3 = 20.1

Hence,

Volume of Cylinder = \pi r^2 h\\=\pi (3.35)^2 (20.1)\\=708.66

amount of space not taken up = 708.66 - 472.44 = 236.22 cubic centimeters

3 0
3 years ago
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