2 years ago

7.

Mathematics

1 answer:

Liono4ka [1.6K]2 years ago

8 0

Answer:

550

Step-by-step explanation:

Divide the $100 by 12 = 8.33

Multiply 8.33 * 66 = 550

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9,471 divied by 8 and place value chart

serious [3.7K]

9,471 divided by 8 is 1183.875. The image I've provided pretty much shows you the place values. The rest is self-explanatory.

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4 years ago

The figure below shows a right triangle:

vovikov84 [41]

r/q= sin y
I got sin y,
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A jar contains some bacteria. Every day the number of bacteria

svp [43]

Answer:

Day 2

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Every 20 days, one jar is full.

To find when it was 1/8 full, we multiply the 20 days by 1/8.

20 x 1/8 = 2

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2 years ago

Write the ordered pair that represents YZ. Then find the magnitude of YZ. y(-4,12), Z(1,19).

ki77a [65]

The magnitude of YZ is 8.6

<u>Explanation:</u>

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Y( -4, 12)

Z ( 1, 19)

Magnitude of YZ = ?

We know:

$YZ = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

On substituting the value we get:

$YZ = \sqrt{(1+4)^2 + (19 - 12)^2} \\\\YZ = \sqrt{(5)^2 + (7)^2} \\\\YZ = \sqrt{25+49} \\\\YZ = \sqrt{74} \\\\YZ = 8.6$

Thus, the magnitude of YZ is 8.6

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3 years ago

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Eva has $10 for lunch. Her meal cost $8.60. She wants to leave a 20% tip. Does she have enough money? Explain your reasoning.

snow_tiger [21]

No she doesn't have enough money. All you do is multiply 8.60 by .2 which come out to 1.72 and 8.60 plus 1.73 which equals 10.33 so she needs 33 more cents tone able to tip 20%.

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3 years ago