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Minchanka [31]
2 years ago
10

The amount of money spent on a pizza for club activities varies directly with the number of pizzas bought. If $135 will pay for

fifteen pizzas, then how many pizzas can be bought with $252?
Mathematics
1 answer:
DENIUS [597]2 years ago
8 0

Answer:

28 pizzas can be bought

Step-by-step explanation:

you have to find the unit rate of the pizzas.

so 135 divided by 15 which is 9

and then you divide 252 by 9

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Simplify 10/16 to the lowest terms and find an equivalent fraction that has a denominator of 32.
Natalija [7]

Answer:

5/8,  20/32

Step-by-step explanation:

Divide 10/16 by 2 as that is the GCF (greatest common factor) = 5/8

To find an equivalent fraction with a denominator of 32 multiply 10/16 by 2 = 20/32

6 0
2 years ago
Read 2 more answers
A ship travels 62.5 km in 1st hour of sailing. Starting from 2nd hour, the distance travelled per hour is x% of that in the prec
Bas_tet [7]
Speed of the ship in the second hour =  (62.5 * x ) / 100  kph.

In third hour it is  [(62 * x) / 100 ] * x/100]

is 4th hour its is the above * x/100 again  so we can now form the equation

62.5x      x          x
------- *   ----  *  ----    =  32
100      100      100

62,5 x^3 = 32,000,000
x^3 =  512,000
x = 80 <-----  Answer  to (a)

(b)  Ship travels 62.5 in first hour then  this falls by a common ratio of 0.8 each hour so we have a geometric sequence 

Dist travelled in 6 hours  =  a1  1 - r^n
                                                --------  = 62.5* (1 - 0.8^6) / 1 -0.8 = 230.56

                                               1 - r

Answer is    230.56 km 




5 0
3 years ago
Formula for the area of parallelogram is _______.
taurus [48]

Step-by-step explanation:

Area = Base  \times Height

5 0
3 years ago
59 points on this! Pls answer
joja [24]

Answer:

(a) y = -4x + 4   (b) y = 2x + 3

<u>solving steps:</u>

note: m refers to slope and y₁ to y point and x₁ to x point

a)

coordinates: (2,-4)

slope: -4

equation:

  • y - y₁ = m(x - x₁)
  • y - -4 = -4(x-2)
  • y = -4x + 8 - 4
  • y = - 4x + 4

b)

coordinates: (1,5), (-1,1)

slope:  \sf \dfrac{y-y_1}{x-x_1}  

  • \sf \dfrac{1-5}{-1-1}  
  • 2

equation:

  • y - y₁ = m(x - x₁)
  • y - 5 = 2(x - 1)
  • y - 5 = 2x - 2
  • y = 2x - 2 + 5
  • y = 2x + 3
5 0
2 years ago
Read 2 more answers
Write an equation in slope intercept form for the line through the two points
Musya8 [376]
m= \frac{y2-y1}{x2-x1}  \\  \\ m= \frac{-2-2}{2-(-2)}  \\  \\ m= \frac{-4}{4}  \\  \\ m=-1


y=mx+b \\  \\ y=-1x+b


(2)=(-1)(-2)+b \\  \\ 2=2+b \\  \\ 0=b


y=-1x+0 \\  \\ y=-x
5 0
2 years ago
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