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3 years ago

Round to the nearest hundredth 7.381

Mathematics

2 answers:

Soloha48 [4]3 years ago

6 0

Answer:

7.39

Step-by-step explanation:

emmainna [20.7K]3 years ago

5 0

7.39 is the answer .

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Which of the following sets of measures for sides doesnt form a trangie!

anyanavicka [17]

Answer:

7, 9, 17

Step-by-step explanation:

The sum of the two smallest numbers has to form a number larger that the largest number, and 7 + 9 = 16 which is less than 17.

4 0

3 years ago

X^2 - y^2 = 100

luda_lava [24]

Answer:

Step-by-step explanation:

Let's start by rewriting the second equation in terms of "x":

$x+y=5$

Subtract y from both sides:

$x=5-y$

Now, substitute "5-y" for "x" in the first equation:

$(5-y)^2-y^2=100$

Note that:

$(a-b)^2=a^2-2ab+b^2$

$25-10y+y^2-y^2=100$

Cancel out like terms:

$25-10y=100$

Subtract 25 from both sides:

$-10y=75$

Divide both sides by -10

$y=\frac{75}{-10}=\frac{15}{-2}=-\frac{15}{2}$

Now, substitute this value back into either of the equations to solve for x.

$x+y=5\\x-\frac{15}{2}=5\\$

Add 15/2 to both sides:

$x=5+\frac{15}{2}\\x=\frac{10}{2}+\frac{15}{2}\\x=\frac{25}{2}$

Now, find the difference:

$x-y=\frac{25}{2}-(-\frac{15}{2})=\frac{25}{2}+\frac{15}{2}=\frac{40}{2}=20$

8 0

3 years ago

A bag has 5 yellow marbles, 3 red marbles and 2 blue marbles. Quinn randomly picks a marble from the bag and returns it before a

almond37 [142]

Answer:

20%

Step-by-step explanation:

or 20 because since there is 5 and 3 you ad them and you get 5, 5+5 =10 and its like 100 but its not so, 2 of 10 is like saying 20% of 100

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3 years ago

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Pay the bill using the fewest possible bills/coins

marysya [2.9K]

Answers:

Open the pdf below and youll find what you need. also do the largest bills you can.

Download pdf

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3 years ago

1. How many planes are shown in the figure?

g100num [7]

Answer:8 planes are shown in the figure

Step-by-step explanation:

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3 years ago

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