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Sauron [17]
3 years ago
11

Last year Frank had a total income of $58,800. He sold a house and made a profit of $27,940. He also had monthly income of $80 f

rom investments. Assuming Frank works 25 hours per week and 52 weeks per year as an hourly employee, how much more an hour would Frank had to have earned last year in order to have a total income of $59,970? a. $0.63 b. $0.72 c. $0.80 d. $0.90
Mathematics
2 answers:
choli [55]3 years ago
7 0

The correct answer is D.

xeze [42]3 years ago
3 0
I think the answer would have to be D. $0.90.

59,970-58,800=1,170
1,170/52=22.5/25=0.90
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Umnica [9.8K]

Answer:

<u>Answer</u><u>:</u><u> </u><u>4</u><u>x</u><u>²</u><u> </u><u>-</u><u> </u><u>9</u><u>x</u><u> </u><u>+</u><u> </u><u>2</u><u>0</u><u> </u>

Step-by-step explanation:

• General quadratic equation:

{ \rm{ {x}^{2}  - (sum \: of \: roots)x + (product \: of \: roots) }}

• sum of roots → 4 + 5 = 9

• product of roots → 4 × 5 = 20

• substitute:

{ \boxed{ \rm{4 {x}^{2}  - 9x + 20 }}}

3 0
3 years ago
Luke has $21 more than rachel and $48 more than daniel. altogether they have $168. how much does luke have?
Anettt [7]

this can be solve by 3 variable equation

let x be the money of luke

y money of rachel

z money of daniel

first equation

x = y + 21

second equation

x = z + 48

third equation

x + y + z = 168

solving simultaneously

x =79

y = 58

z = 31

<span> </span>

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3 years ago
PLEASE HELP NO SCAM <br><br> ¼ (x+12) = 2
pashok25 [27]
You put the answer as 2 already
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3 years ago
Read 2 more answers
A recently admitted class of graduate students at a large state university has a mean GRE verbal score of 650 with a standard de
hjlf

Answer:

The answer is below

Step-by-step explanation:

The z score is a score used to determine the number of standard deviations by which the raw score is above or below the mean, it is given by the equation:

z=\frac{x-\mu}{\sigma} \\\\\mu=mean, \sigma=standard\ deviation,x=raw\ score\\\\for\ a\ sample\ n:\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }

Given that μ = 650, σ = 50. To find the probability that 5 students who have a mean of 490, we use:

z=\frac{x-\mu}{\sigma/\sqrt{n} } =\frac{490-650}{50/\sqrt{5} } =-7.16

From the normal distribution table, P(x < 490) = P(Z < -7.16) = 0.0001 = 0.01%

Since only a small percentage of people score about 490, hence the local newspaper editor should write a scathing editorial about favoritism

4 0
3 years ago
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zhuklara [117]

Answer:

9

Step-by-step explanation:

12 divided by 4=3 3X3=9

7 0
3 years ago
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