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qwelly [4]
3 years ago
6

PLEASE, I NEED HELP NOW!!!!!!

Mathematics
2 answers:
Marizza181 [45]3 years ago
6 0

Answer:

1934.2

Step-by-step explanation:

3.14*14=43.98 squared=1934.2

Naddika [18.5K]3 years ago
6 0

Answer:

615.75

Step-by-step explanation:

<em>Use A = πr², letting r = 14, so that:   </em>

<em>A = π(14)²  </em>

<em>≈ 615.75 ft² </em>

<em />

Rounding to the nearest hundredth would make the answer 618

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Marcos works 8 hours a day. He makes $19 an hour. On Tuesday, he only worked 3/4 of a day. How much did Marcos earn on Tuesday?
xeze [42]
Your answer should be C.

Explanation: answer B is to little of an amount so that is not the answer and $19 multiplied by 8hrs is only $152 so there for the answer cannot be answer b, because that is way over the max amount that can be made in 8 hrs and 3/4 is really 6 hours out of 8 hours. And 6 multiplied by $19 is $114 so your answer would be C.
4 0
4 years ago
Taylor and Nora go to the movie theater and purchase refreshments for their friends. Taylor spends a total of $69.00 on 6 drinks
fgiga [73]

Answer:

The system if equation that can be used to derive this are

6x + 4y = 69 AND

12x + y = 96

The price of a drink is $7.5

Step-by-step explanation:

The question here says that Taylor and Nora went to the movie theater and purchase refreshments for their friends. Taylor spends a total of $69.00 on 6 drinks and 4 bags of popcorn Nora spends a total of $96.00 on 12 drinks and bag of popcorn.And we are now told to write a system of equations that can be used to find the price of one drink and the price of one bag of popcorn. Using these equations,we should determine and state the price of a drink, to the nearest cent .

Now, Let's assume that the price of a drink is "X" and that of a bag of popcorn to be Y

The first person made a purchase which led to the equation

6x + 4y = 69______ equation 1

And the second person also made a purchase that lead to the equation

12x + y = 96_____ equation 2

We make y the subject of the formula in equation 2 and apply it in 1

Y = 96 - 12x

Now apply the above in equation 1

6x + 4y = 69

6x + 4(96 - 12x)= 69

6x + 384 - 48x = 69

42x = 384 - 69

X = 315/42

X = 7.5

Substitute x= 7.5 in equation 2

12x + y = 96

12(7.5) + y = 96

90 + y = 96

Y = 6

Therefore, the price of a drink is $7.5

4 0
3 years ago
Read 2 more answers
A line has slope -3 and the y intercept is 7. what is the slope intercept form of the line?
larisa86 [58]

Answer:

y = -3x + 7

Step-by-step explanation:

y = mx + b

m = slope

b = y intercept

eq:

y =  - 3x + 7

3 0
3 years ago
1/2y+3.2y=20 need some help, not very good with functions :/ asap tho pls-
Svet_ta [14]

Answer:

hopefully this will help you on your journey!

7 0
3 years ago
HELP PLEASE!!! I need help with this question!
AlexFokin [52]

Answer:

\large\boxed{PS=10\sqrt5}

Step-by-step explanation:

ΔPQS, ΔRQP and ΔRPS are similar (AA). Therefore the sides are in proportion:

\dfrac{QR}{RP}=\dfrac{RP}{RS}

We have:

QR=5,\ RS=20

Substitute:

\dfrac{5}{RP}=\dfrc{RP}{20}                <em>cross multiply</em>

RP^2=(5)(20)\\\\RP^2=100\to RP=\sqrt{100}\\\\RP=10

Use the Pythagorean theorem:

PS^2=PR^2+RS^2

Substitute:

PS^2=10^2+20^2\\\\PS^2=100+400\\\\PS^2=500\to PS=\sqrt{500}\\\\PS=\sqrt{100\cdot5}\\\\PS=\sqrt{100}\cdot\sqrt5\\\\PS=10\sqrt5

6 0
3 years ago
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