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3 years ago

What is the measure of angle ∠JKL?

Mathematics

2 answers:

Vesnalui [34]3 years ago

7 0

Answer:97

Step-by-step explanation:

83+97=180

the line has to equal 180° in total.

Simora [160]3 years ago

7 0

Answer:

97 degrees

Step-by-step explanation:

The angles of 83 degrees and <JKL are on a straight line. They are supplementary and add to 180 degrees

83+<JKL=180

Subtract 83 from both sides

<JKL=97

So, the second choice is correct

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Water is being drained at a constant rate from a tank.

saw5 [17]

Answer:

Step-by-step explanation:

1000 gallons - 940 = 60 then divide by the time which gets us 60/10=6

Now we can use this answer to help find out the amount remaining in the tank.

5 minutes = 5x6=30; 1000-30= 970 gallons

20 minutes= 20x6=120; 1000-120= 880 gallons

30 minutes=30x6=180; 1000-180= 820 gallons

27 minutes=27x6=162; 1000-162= 838 gallons

X minutes = 1000-6x

Rate of flow is 6 gallons per minute.

Hope this helps!

3 0

3 years ago

30.58317511 to 3 significant figures

slamgirl [31]

Answer:

30.583

Step-by-step explanation:

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3 years ago

Read 2 more answers

Deniz had a full gallon of milk. She poured out 4 cups of milk. There are 16 cups in 1 gallon. About what percent of the origina

Molodets [167]

Answer:

75% of the original volume is left.

Step-by-step explanation:

Deniz had a full gallon of milk, or 16 cups of milk, and then she poured out 4 cups of milk. That is:

$\\ A_{full-gallon} = \frac{16}{16}$ cups of milk, since $\\ \frac{16}{16} = 1$ or $\\ 1 * 100\% = 100\%$ of the original volume.
Deniz poured out 4 cups of milk from the 16 available (or $\\ \frac{4}{16}$ ).

Then,

The total left is:

$\\ Total_{left} = \frac{16}{16} - \frac{4}{16} = \frac{12}{16} = \frac{3}{4}$ , since we are dealing here with fractions with the same denominator.

In other words, $\\ \frac{3}{4} = 0.75$ is the amount of milk left in the container.

In terms of percentage, $\\ \frac{3}{4} = 0.75$ is equivalent to $\\ 0.75*100\% = 75\%$ of the original volume, because Deniz poured out $\\ \frac{4}{16} = \frac{1}{4} = 0.25$ or $\\ 0.25*100\% = 25\%$ from the original volume.