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3 years ago

5

"jill charges an hourly rate for babysitting one or two children. kara charges a lower hourly

1 answer:

irga5000 [103]3 years ago

5 0

Answer: Kara charges $14 an hour for babysitting two children

Step-by-step explanation: I did the answer follow me on

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A 1414-ft ladder leans against a wall at a point 55 feet above the ground. how far is the bottom of the ladder from the wall?

viva [34]

Assume ladder length is 14 ft and that the top end of the ladder is 5 feet above the ground.

Find the distance the bottom of the ladder is from the base of the wall.

Picture a right triangle with hypotenuse 14 feet and that the side opposite the angle is h. Then sin theta = h / 14, or theta = arcsin 5/14. theta is

0.365 radian. Then the dist. of the bot. of the lad. from the base of the wall is

14cos theta = 14cos 0.365 rad = 13.08 feet. This does not seem reasonable; the ladder would fall if it were already that close to the ground.

Ensure that y ou have copied this problem accurately from the original.

7 0

3 years ago

Question 26 pleaseee

LuckyWell [14K]

Answer:

The inequality is $55+10x\leq 105$

The greatest length of time Jeremy can rent the jet ski is 5 and Jeremy can rent maximum of 135 minutes.

Step-by-step explanation:

Given: Cost of first hour rent of jet ski is $55

Cost of each additional 15 minutes of jet ski is $10

Jeremy can spend no more than $105

Assuming the number of additional 15-minutes increment be "x"

Jeremy´s total spending would be first hour rental fees and additional charges for each 15-minutes of jet ski.

Lets put up an expression for total spending of Jeremy.

$\$55+ \$ 10\times x$

We also know that Jeremy can not spend more than $105

∴ Putting up the total spending of Jeremy in an inequality.

$\$ 55+\$10x\leq \$ 105$

Now solving the inequality to find the greatest number of time Jeremy can rent the jet ski,

⇒ $\$ 55+\$10x\leq \$105$

Subtracting both side by 55

⇒ $\$ 10x\leq \$50$

Dividing both side by 10

⇒ $x\leq \frac{50}{10}$

∴ $x\leq 5$

Therefore, Jeremy can rent for $60\ minutes + 5\times 15\\= 60\ minutes + 75= 135\ minutes$

Jeremy can rent maximum of 135 minutes.

5 0

3 years ago

Which of the following options have the same value as 65% of 20

Natasha2012 [34]

Answer:

Opt A and D

Step-by-step explanation:

65% is 100 based number, this means that 65% is the same as 65/100, or 0,65.

65% of 20 is obtained performing the following operation:

0,65 * 20

or

65*20/100

Any of them

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3 years ago

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Consider 10 married couples. how many ways can 7 married couples be selected from this group

Novay_Z [31]

10c7
=10!/(7!*(10-7)!)
=120

3 0

3 years ago

Find the slope of a line that goes between points (2, 4) and (5, 7).

yawa3891 [41]

Answer:

Step-by-step explanation:

$\frac{7-4}{5-2}=\frac{3}{3}= 1$

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3 years ago

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