3 years ago

Round 506.57915 to the nearest hundredth.

Mathematics

1 answer:

Alika [10]3 years ago

5 0

Answer:

506.58

Step-by-step explanation:

Your welcome ;w;

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Plz help its 7th grade math

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3 years ago

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Use estimation to determine the product of 15.4 and 5.7

Lelechka [254]

Answer:

about 90

Step-by-step explanation:

15.4 rounds down to 15

5.7 rounds up to 6

15 × 6 = 90

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4 years ago

if you have been traveling 365 miles for 5 hours, what is the unit rate that you have been traveling at

kirill115 [55]

Answer: 73

Step-by-step explanation:

365/5 =75 so 5 miles of going 73 miles per hour

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4 years ago

Two bowls and one cup weigh 800 grams. One bowl and two cups weigh 700 grams. Find the weight of the bowl and the cup

antoniya [11.8K]

Answer:

\large \boxed{\textbf{Bowl = 300 g; cup = 200 g}}

Step-by-step explanation:

Let b = the mass of a bowl

and c = the mass of a cup

We have two conditions:

$\begin{array}{lrcl}(1) &2b + c & = & 800\\(2) & b + 2c & = & 700\\\end{array}$

Calculations:

$\begin{array}{lrcll}(3) & 4b + 2c &= & 1600&\text{ Multiplied (1) by 2}\\& 3b & = & 900&\text{Subtracted (2) from (3)}\\(4) & b & = & \mathbf{300}&\text{Divided each side by 3}\\ & 600 + c & = & 800&\text{Substituted (4) into (2}\\ & c & = & \mathbf{200}\\\end{array}\\\text{The mass of a bowl is $\large \boxed{\textbf{300 g}}$ and that of a cup is $\large \boxed{\textbf{200 g}}$}$

Check:

$\begin{array}{rlcrl}2(300) + 200& =800 & & 300 + 2(200) & = 700\\600 + 200 & = 800& & 300 + 400 & = 700\\800 & = 800& & 700 & = 700\\\end{array}$

OK.

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3 years ago

What is 70% of 0.6kg? <br><br> (i have to have an answer as a decimal and show my work)

patriot [66]

Answer:

70% of 0.6 kg is 0.42 kg. To find this you would multiply 0.70 by 0.6.

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3 years ago