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Oduvanchick [21]
3 years ago
10

Eric has 3 cakes. He has to divide the cakes equally among his friends so that each one gets 13 of a cake. How many total pieces

of cake will he have?
Mathematics
1 answer:
lara [203]3 years ago
8 0
Eric has 4 of the total pieces of cake
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Which is the solution to 5^x=8^x-7
Levart [38]

Answer:

C) 30.9702

Step-by-step explanation:

Take log of both sides:

In5^x = In8^x - 7

Rewrite it using the laws of log:

xIn5 = (x - 7)In8

x / (x - 7)  =  ln 8 / ln 5

x / (x - 7) = 1.292

x = 1.292x - 9.044

1.292x - x = 9.044

x = 9.044 / 0.292

Thus, x = 30.9702

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2 years ago
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2 years ago
A varies inversely as the square of B. If A is 1 when B is 3, find A when B is 5
RideAnS [48]

Answer:

0.36

Step-by-step explanation:

A= K/B^2

K= A × B^2

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K= A × B^2

9= A × 5^2

9= A × 25

9= 25A

A= 9/25

A= 0.36

Hence A is 0.36

6 0
3 years ago
The area of a trapezoid is 39 square millimeters. the height of the trapezoid is 6 millimeters. One of the base lengths is 5 mil
Strike441 [17]

Answer:

The other length of the trapezoid is 8 mm

Step-by-step explanation:

5 0
3 years ago
Which equation does not have the same solution as the others?
kkurt [141]

X+12=20 is 8.

x-9=17 and 2x=16 both have the same solution.

The answer should be X+12=20.

5 0
3 years ago
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