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avanturin [10]
3 years ago
6

The perimeter of a square is directly proportional to the length of one of its sides. The perimeter is 28 when the length of a s

ide is 7.
What is the constant of proportionality?
Mathematics
1 answer:
telo118 [61]3 years ago
4 0

Step-by-step explanation:

check the pic

answer is 4

You might be interested in
The quotient of a number x and the sum of 3 and 7. X is 20.
Sholpan [36]

x / (3+7)

x = 20

20 / (3+7) = 2

The answer is 2

4 0
3 years ago
Frankie is saving up to have spending money for her family vacation. If Frankie's current monthly net pay is $490.00 and her mon
grigory [225]
We’ll first find how much she has left as her savings
$490-$396.90= $93.70

Now we’ll go for cross multiplication
100% $490
? $93.70

? = 100 x 93.7/490
? = 19.1 %

So the answer is 19.1% which rounded to the nearest whole number is 19%. The answer is the first option.
Hope it helped you


8 0
2 years ago
on vacation sally stopped in Algebraville because of their famous pizza house pi-pizza. There they sold pizza by the slice. A sl
Eddi Din [679]

Answer:

600 Cheese and 900 Pepperoni

Step-by-step explanation:

Setup the equation with 2c(Cheese) + 2.5p(Pepperoni) = $3450(Total Made).

In addition to the equation c + p = 1500(Number of pizzas sold)

Using the second equation (c + p = 1500) solve for one of the variables.

Lets use :

  1. p = 1500 - c
  2. Plus this equation into the original equation, 2c + 2.5(1500 - c) = 3450
  3. Distribute 2.5, 2c + 3750 - 2.5c = 3450
  4. Combine like terms -0.5c + 3750 = 3450
  5. Solve for c: c = 600
  6. Plus 600 in for c into any equation ( lets use c + p = 1500)
  7. 600 + p = 1500
  8. P = 900
5 0
2 years ago
One fifth of the text messages Nancy sends are to her family. She sends an equal amount to her mom dad and sister. What fraction
Pie

Answer: 1/15

Step-by-step explanation:

5 0
2 years ago
Caiden and Josh are practicing at a batting cage. Josh has hit nine more than one-half the number of balls that Caiden has. If t
OverLord2011 [107]

Answer:

The Answer is: Josh hit 47 balls.

Step-by-step explanation:

Let j = Josh number of hits and c = Caiden number of hits:

j = c/2 + 9

Total:

j + c = 123.

Substitute:

(c/2 + 9) + c = 123

c/2 + c = 123 - 9

c/2 + c = 114

1/2c + 2/2c = 114

3/2c = 144

c = 144 (2/3) = 76, Number of hits for Caiden

Solve for j:

j = 76/2 + 9

j = 38 + 9 = 47, number of hits for Josh

Proof:

j + c = 123

47 + 76 = 123

123 = 123

Hope this helps! Have an Awesome Day!! :-)

6 0
3 years ago
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