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2 years ago

11

WILL AWARD BRAINLEST Please show work.

2 answers:

Morgarella [4.7K]2 years ago

7 0

Answer:

Step-by-step explanation:

Hope this helps u!!

alexandr402 [8]2 years ago

6 0

Answer:

$h = \frac{s - 2\pi {r}^{2} }{2\pi \: r}$

Step-by-step explanation:

$s = 2\pi \: r \: h + 2\pi {r}^{2} \\ s - 2\pi {r}^{2} = 2\pi \: r \: h \\ \frac{s - 2\pi {r}^{2} }{2\pi \: r} = \frac{2\pi \: rh}{2\pi \: r } \\ h \: = \frac{s - 2\pi {r}^{2} }{2\pi \: r}$

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83. 6 in a complex number

grin007 [14]

Answer:

83.6 is a real number

Step-by-step explanation:

Since 83.6 83.6 is a real number, it is the real part (a) of the complex number a+bi a + b i . A real number does not contain any imaginary parts, so the value of b b is 0 0 . The answer is 83.6+0i 83.6 + 0 i

5 0

3 years ago

Erica earned a total of $15,450 last year from her two jobs. the amount she earned from her job at the store was $1250 more than

dimaraw [331]

If Erica earned a total of $15450 last year from both the jobs then he earns $2840 from college if she earned 1250 more than four times the amount from college from store.

Given Total amount earned=$15450,Amount earned from store is 1250 more than 4 times earned from college.

Amount from store forms an equation.

let the amount earned from college is x.

According to question:

Amount earned from store=4x+1250

Amount earned from college=x

Total amount earned=4x+1250+x

5x+1250=15450

5x=15450-1250

5x=14200

x=14200/5

x=2840

Put the value of x in 4x+1250 to get amount earned from store=4(2840)+1250=$12610.

Hence the amount earned by Erica from college is $2840.

Learn more about equation at brainly.com/question/2972832

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6 0

1 year ago

Tickets to a concert cost $2 for children, $3 for teenagers and $5 for adults. When 570 people attended the concert, the total t

-Dominant- [34]

Let

x--------> the number of children

y------> the number of teenagers

z------> the number of adults

we know that

$2x+3y+5z=1,950$ ------> equation A

$x+y+z=570$ -----> equation B

$y=\frac{3}{4}x$

$x=\frac{4}{3}y$ -------> equation C

Substitute equation C in equation A and equation B

$2[\frac{4}{3}y]+3y+5z=1,950$

$\frac{17}{3}y+5z=1,950$ --------> equation D

$[\frac{4}{3}y]+y+z=570$

$\frac{7}{3}y+z=570$ --------> equation E

Multiply equation E by $-5$

$-\frac{35}{3}y-5z=-2,850$ --------> equation F

Adds equation D and equation F

$\frac{17}{3}y+5z=1,950\\\\-\frac{35}{3}y-5z=-2,850\\\\---------\\\\-\frac{18}{3}y=-900\\\\y=3*900/18\\\\y=150\ teenagers$

therefore

<u>the answer is the option</u>

$150\ teenagers$

4 0

2 years ago

Read 2 more answers

Work out the area of this quarter circle take pie to be 3.142 radius in image attached thanks (:

iVinArrow [24]

Answer:

<h2>38.4895 cm^2</h2>

Solution,

Radius(R)= 7 cm

Area of quarter circle:

$\frac{\pi \: {r}^{2} }{4}$

$= \frac{3.142 \times 49}{4}$

$= 38.4895 \: {cm}^{2}$

Hope this helps...

Good luck on your assignment..

3 0

3 years ago

Read 2 more answers

You took out a loan for $15,000 for 3 years with an interest rate of 3.5%. Including interest, how much will you pay total?

Alexandra [31]

Answer:

16,575

Step-by-step explanation:

3.5% of 15,000 is 525$

525 x 3 = 1575$

15,000 + 1575 = 16,575

5 0

3 years ago