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katrin2010 [14]
3 years ago
7

Five friends had lunch together. Their lunch bill included these amounts: $8.79, $5.15, $11.73, $2.49, and $9.05. Estimate the t

otal bill using front-end estimation. (Round the leftmost place value.) What is the estimated total?
HELP PLS I WILL MARK BRAINLIEST
Mathematics
1 answer:
WARRIOR [948]3 years ago
7 0

Answer:

40

Step-by-step explanation:

all those numbers added equals 37.21

front end estimation is where you round to the first number on the left just ignore the decimal point in this case. so the answer would be 40

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Which is smaller , 13/20 or 60% ?
KIM [24]

Answer:

60% is smaller than 13/20

Step-by-step explanation:

13/20 = 65 or 65%

65% > 60%

3 0
3 years ago
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What should your units on your base area calculations be, and why? How is this different from the units on your volume calculati
horsena [70]

Answer:

For area, square unit is used as the area is calculated using two dimensions length and breadth.

For volume, cubic unit is used as the volume is calculated using three dimensions length, breadth and height.

Step-by-step explanation:

Area refers to the space occupied by a two dimensional flat object in a plane. For area, square unit is used as the area is calculated using two dimensions length and breadth.

Volume is defined as the space occupied by the three-dimensional object. For volume, cubic unit is used as the volume is calculated using three dimensions length, breadth and height.

7 0
3 years ago
Calculate the number of acres required to produce 1,000 gallons of oil in one year from microalgae and soybeans. Which one (micr
Inessa05 [86]

Answer:

microalgae required less space.

Step-by-step explanation:

Amount of oil to be produced = 1,000 gallons

Now,

We know

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and,

From soyabeans the oil extracted = 50 gallons per acre per year

therefore,

To produce 1,000 gallons number of acres required by microalgae

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similarly

To produce 1,000 gallons number of acres required by soyabeans

= [ Amount of oil to be produced ] ÷ [ oil extracted per acre from soyabeans]

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7 0
3 years ago
If Shane and Susan both push on a box with a force of 25N, but in opposite directions, what will happen to the box?
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A way to think of this is the equal forces in opposite directions cancel each other out, so the net force is 0.
3 0
3 years ago
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one evening 1500 concert tickets were sold for the Jazz Fest. Tickets cost $30 for covered pavillion seats and $10 for lawn seat
snow_lady [41]
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3 years ago
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