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Gre4nikov [31]
3 years ago
11

A graphing calculator displays 1.89•10

Mathematics
1 answer:
pickupchik [31]3 years ago
7 0
1.89*10=18.9 because the place value switches over one time to the right.
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The Hendersons went on a driving vacation. They decided to travel 1/3 of the distance on the first day. Owing to bad weather, th
Sloan [31]

Answer:

A)

\displaystyle \frac{1}{12}

B)

\displaystyle \frac{3}{5}

C)

\displaystyle \frac{17}{24}

Step-by-step explanation:

Part A)

The Hendersons were traveling 1/3 of the distance on the first day.

However, they had to stop, having only traveled 1/4 <em>of</em> the 1/3 distance.

So, we can multiply the two fractions together.

Therefore, the fraction of the total distance they traveled is given by:

\displaystyle \frac{1}{4}\times\frac{1}{3}=\frac{1}{12}

The Hendersons traveled 1/12 of the total distance.

Part B)

We are assuming the bottle of milk was full at the beginning.

So, at the beginning, there were 1/1 bottle of milk left.

Howie fed a piglet 1/5 of the bottle. So, there is now:

\displaystyle 1-\frac{1}{5}

Of the bottle left.

Making common denominators and subtracting yields:

\displaystyle =\frac{5}{5}-\frac{1}{5}=\frac{4}{5}

So, after feeding the piglet, 4/5 of the bottle of milk was still there.

3/4 <em>of</em> the remainder was fed to a calf.

So, the amount that was fed to the calf is 3/4 times 4/5. Therefore:

\displaystyle \frac{3}{4}\times\frac{4}{5}

Multiply:

\displaystyle =\frac{12}{20}=\frac{3}{5}

So, the calf drank 3/5 of the bottle of milk.

Part C)

Nathan used 2 (5/6) loaves of bread to make 4 sandwiches.

First, convert 2 (5/6) to an improper fraction. So:

\displaystyle 2\frac{5}{6}=\frac{12+5}{6}=\frac{17}{6}

Nathan made 4 sandwiches using this. So, we will divide this by 4. Note that this is the same as multiplying by 1/4. Therefore:

\displaystyle \frac{17}{6}\times\frac{1}{4}=\frac{17}{24}

So, Nathan used 17/24 loaves of bread per sandwich.

4 0
3 years ago
WHOEVER CAN ANSWER AT LEAST 2 GETS BRAINLIEST!!
timofeeve [1]

Answer:

Step-by-step explanation:

Could you type out #2?

8 0
3 years ago
What are the solutions to the following system?<br> -2 x² + y = -5<br> y=-3x²+5
Arturiano [62]

Answer:

x=\pm\sqrt{2}

Step-by-step explanation:

This system of equations is convenient, because the second equation already expresses y in terms of x. Now, you can substitute that in.

-2x^2-3x^2+5=-5

Multiplying both sides by -1 and bringing the 5 over:

2x^2+3x^2-10=0

Combining like terms and factoring out 5:

5(x^2-2)=0

Factoring:

5(x-\sqrt{2})(x+\sqrt{2})=0

Solutions: x=\pm\sqrt{2}

Hope this helps!

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What is e times 4 plus pi
irga5000 [103]

14.0147199674 is your answer. Hope this helps, if not, comment below please!

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The price  of an item has been reduced by 35% the original price was 19%

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