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erastova [34]
3 years ago
11

A tennis court is 24 m long and 11 m wide. What is the perimeter of a tennis court? A. 78 m B. 70 m C.264 m D.35 m

Mathematics
2 answers:
scoundrel [369]3 years ago
6 0
The answer is B..........................................................
GarryVolchara [31]3 years ago
5 0
B-70 Perimeter is adding length and width
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Margie has 5 times as many nickels as quarters. She has a total of $2.00.
stich3 [128]

Answer:

<u>Part A: </u>

<u>n = 5q (1st equation)</u>

<u>0.05n + 0.25q = 2 (2nd equation)</u>

<u>Part B:</u>

<u>q = 4 ⇒ n = 5 * 4 = 20</u>

<u>Part C:</u>

<u>Margie has 20 nickels and 4 quarters, for a total of $ 2.00</u>

Step-by-step explanation:

Let's recall that a nickel has a value of $ 0.05 and a quarter a value of $ 0.25.

Let n represent the number of nickels and q represent the number of quarters.

Part A:

Write a system of equations to represent the situation.

n = 5q (1st equation)

n * 0.05 + q * 0.25 = 2

0.05n + 0.25q = 2 (2nd equation)

Part B:

Replacing n in the 2nd equation to solve for q:

0.05n + 0.25q = 2

0.05 * 5q + 0.25q = 2

0.25q + 0.25q = 2

0.5q = 2

q = 2/0.5

<u>q = 4 ⇒ n = 5 * 4 = 20</u>

<u>Part C:</u>

<u>Margie has 20 nickels and 4 quarters, for a total of $ 2.00</u>

3 0
3 years ago
Pediatricians prescribe 5mL of cough syrup for every 25lb of a child's weight. How many mililiters of cough syrup will the docto
Marianna [84]

Answer:

9 ml

Step-by-step explanation:

The Pediatrician prescribes 5 milliliters of cough syrup for every 25 lb of child weight.

Now, the weight of Jocelyn is 45 lb.

If the rate of prescribing the cough syrup in ml per weight of patients remains constant,

Then we can use the unitary method to get the amount of cough syrup prescribed by the Pediatrician for Jocelyn, and that will be

\frac{5*45}{25} =9 ml. (Answer)

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3 years ago
Q = 3x + 9x? idk this one lol
Serjik [45]

Answer:

<em>q</em> = 12<em>x</em>

Step-by-step explanation:

<em>q</em> = 3<em>x</em> + 9<em>x</em>

Combine like terms

<em>q</em> = 12<em>x</em>

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3 years ago
What is the equation of the line passing through points (1,1) and (3,-5)
seraphim [82]

Answer:

m=-3

Step-by-step explanation:

5 0
3 years ago
What is 65 x 264 + 81 - 94
zmey [24]

Answer: 17,147

Step-by-step explanation:

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2 years ago
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