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3 years ago

9.391 divided by 2.8 to the nearest whole number by using compatible number

1 answer:

6 0

The nearest whole number for 9.391 divided by 2.8 is 9 and 3, because 9.391/2.8=3.3539 and 9/3=3 which is closer to the initial answer so the nearest number whole number will be 9/3.

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12a^3 + 8a^2 - 1a + 10^2

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3 years ago

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The table below gives input and output values for the function h(x) = a^x.

masha68 [24]

Answer:

It's the first one.

hope it helps :)

Step-by-step explanation:

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3 years ago

Ilya builds a slide that is 2.9 meters long. It is 1.5 meters above the ground. He wants to determine the distance from the bott

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4 years ago

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Katherine is working two summer jobs, making $16 per hour lifeguarding and making $6 per hour walking dogs. In a given week, she

kipiarov [429]

Answer:

Katherine need to work minimum 10 hours lifeguarding to meet her requirements

Step-by-step explanation:

Given:

Rate for Lifeguarding = $$16\ per\ hour$

Rate for walking dogs = $$6 \ per\ hour$

She had worked 2 hours walking dog

Money for walking dogs = Rate for walking dogs $\times$ hours worked= $\$6\times2=\$12$

she can work a maximum of 15 total hours and must earn at least $160.

Let hours required for lifeguarding be x

Money for life guarding = Rate for walking dogs $\times$ hours worked for lifrguarding= $\$16 \timesx=16x$

Total Money she must earn = Money for lifeguarding + Money for walking dogs

$16x+12=160\\16x=160-12\\16x=148\\x=\frac{148}{16}=9.25 \ hours$

Rounding to nearest hour

Katherine need to work minimum 10 hours lifeguarding to meet her requirements

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3 years ago

Find the height of the pole if the shadow of a boy 6 ft. tall is 3 ft. and the shadow of the pole is 2 1/3 yards.

3241004551 [841]

First of all, we need to convert 2 1/3 yards into feet.
2 1/3 = 7/3 yard. Since a yard has 3 feet, we multiply this by 3 and we get that 2 1/3 yards equal 7 feet.
Now we move on to proportions.
If the shadow of a boy 6 feet tall produces the shadow of 3 feet, we need to see which height can produce a shadow of 7 feet.

6: 3 = x : 7
3x = 42
x = 14

The height of the pole is 14 feet.

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4 years ago