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maxonik [38]
3 years ago
10

1.5.PS-21

Mathematics
1 answer:
dybincka [34]3 years ago
6 0

Answer:

Increase in the length of one side = 3.8 ft

Step-by-step explanation:

Yossi has garage whose area is 280 ft²

After rebuilt their is increment in area by 50%

New Area = 280 × 150% = 420 ft²

Also we know that Area of Square = (Length) × (Length)

⇒ Length of Newly built garage = √420 = 20.5 ft

and Length of Originally garage = √280 = 16.7 ft

⇒ Increase in the length of one side = 20.5 - 16.7 = 3.8 ft

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A submarine at a depth of -25 2/3feet descended 5 1/3. How many feet must the submarine rise to reach the surface?
zheka24 [161]

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7 0
3 years ago
b. If the tank is then filled to capacity, how many half-gallon bottles can be filled with the water in the tank
d1i1m1o1n [39]

Step-by-step explanation:

if the tank is filled with a cap on field to capacity how many half gallons of bottles are filled it will be about well first you have to think how much is half a gallon and it's a half of a gallon is 2 quarts how big is the tank that's what you want to know if you want to fill it up cuz I haven't gotten this 2 quarts tell me how big is the tank

5 0
3 years ago
For every 20 penguins at the North Pole there are 9 polar bears. If you encountered 27 polar bears, how many penguins would you
cluponka [151]

Answer:

60 penguins

Step-by-step explanation:

We need to find out how many times 9, the number of polar bears for every 20 penguins, was multiplied by, so that we can multiply 20 penguins by the same amount.

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5 0
2 years ago
Read 2 more answers
Michael can buy 4 sandwiches and 3 cups of coffee for $23.75. Amy can buy 2 sandwhiches and 5 cups of coffee for $19.75 how much
Kobotan [32]

Answer: The cost of one sandwich is $4.25 and the cost of one cup of coffee is $2.25.

Step-by-step explanation:

Let x be the cost of one sandwich and y be the cost of one cup of coffee.

By considering the given situation, we have the following equations :-

4x+3y=23.75.................(1)\\\\2x+5y=19.75................(2)

Multiply 2 on both sides of equation (2) , we get

4x+10y=39.5................(3)

Subtract equation (1) from equation (3), we get

7y=15.75\\\\\Rightarrow\ y=\dfrac{15.75}{7}=2.25

Put value of y in (1), we get

4x+3(2.25)=23.75\\\\\Rightarrow\ 4x+6.75=23.75\\\\\Rightarrow\ 4x =17\\\\\Rightarrow\ x=4.25

Hence, the cost of one sandwich is $4.25 and the cost of one cup of coffee is $2.25.

8 0
2 years ago
kristy asks lonnie to think of a number, add 3 to it, multiply the sum by 2 and then subtract 6 . let n stand for lonnies starti
geniusboy [140]

The expression that represents Lonnie's final number is 2(x + 3) - 6

<h3>Writing an expression</h3>

From the given information, we are to write the expression that represents Lonnie's final number

From the given information,

"<em>kristy asks lonnie to think of a number, add 3 to it</em>"

Let the number be x

Then,

The statement becomes

x + 3

<em>"multiply the sum by 2</em>" we get

2×(x +3)

= 2(x + 3)

"<em> subtract 6</em>",

The expression becomes

2(x + 3) - 6

This is the expression that represents Lonnie's final number

Hence, the expression that represents Lonnie's final number is 2(x + 3) - 6

Learn more on Writing an expression here: brainly.com/question/12166019

#SPJ1

7 0
1 year ago
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