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3 years ago

Riley earned $5 for

Mathematics

2 answers:

Svet_ta [14]3 years ago

5 0

Answer:

$10

Step-by-step explanation:

Her hourly rate is 10 because if she earned $5 for half and our or 30 minutes that means to get to 1 hour multiply by 3 so you get. $10 per hour

mario62 [17]3 years ago

5 0

Answer:

$10 per hour.

Step-by-step explanation:

$5 = 1/2 an hour | 30 minutes

So if you were to multiply $5 by 2 you'd get $10 which would make 1 whole hour.

$10 In different forms:

2/2

1.00

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You invested $29000in two accounts paying 3% and 8% annual interest, respectively. If the total interest earned for the year was

Furkat [3]

Answer:

Amount invested at 3%= $21,000

Amount invested at 8% = $8,000

Step-by-step explanation:

$29,000 was invested in two accounts

The two accounts have annual interest of 3% and 8%

The total interest that was earned for the year is $1,270

Let y represent the amount invested at 3%

y = 3%

The amount invested at 8% can be represented as

29,000-y

Therefore the value of y can be calculated as follows

3/100 × y + 8/100(29,000-y)= 1270

0.03y + 0.08(29,000-y)= 1270

0.03y + 2320 - 0.08y= 1270

0.03y - 0.08y= 1270-2320

-0.05y= -1050

y = 1050/0.05

y= 21,000

The amount invested at 3% is $21,000

The amount invested at 8%

= 29,000-21,000

= $8000

Hence the amount invested at 3% is $21,000 and the amount invested at 8% is $8000

4 0

3 years ago

11) Find the doubling time for an amount invested at a growth rate 7% per year compounded continuously.

SVETLANKA909090 [29]

Answer is
B
double time

4 0

3 years ago

Write and solve an equation that represents the following:<br> Twenty more than a number is eighteen

ArbitrLikvidat [17]

Salutations!

Let the number be $x$

The equation would be: $x+20=18$

Lets solve this!

We need to always keep the variables aside, and the numbers aside.

$x=20-18$

$x=2$

Hope I helped (:

Have a great day!

8 0

4 years ago

Read 2 more answers

Some one help me!,!!,!,!!!!!

ella [17]

Answer:

See below in bold.

Step-by-step explanation:

The angle below and to the right of 30 degrees = 90-30 = 60 degrees,.

< EAC + 5x + 6x = 180

But m < EAC = the angle found in first line so its 60 degrees.

S0 3x + 5x + 60 = 180

8x = 120

x = 15

So m < CAB = 75 degrees and m < BAH = 45 degrees.

Finally the m < on top left = 90 degrees.

6 0

3 years ago

Of a group of 30 cats, 24 eat tinned or dry food, 10 like dry food and 5 like both tinned and dry food. Find the probability tha

katen-ka-za [31]

Given: 30 cats, 24 for tinned or dry food, 10 for only dry food, 5 for both tinned and dry food.

Cats that like only tinned food: 24 - 10 = 14

Probability that a randomly selected cat likes only tinned food: $\frac{14}{30} = \frac{7}{15}$

4 0

3 years ago