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Troyanec [42]
3 years ago
13

A bag contains 24 coins. Some of these are 10 cent coins and all of the others are 5 cent coins.

Mathematics
1 answer:
zysi [14]3 years ago
6 0

Step-by-step explanation:

i don't know rnerjarhdycsayhd

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Of the following approximate conversions of Fahrenheit into Celsius, which is most accurate?
asambeis [7]

Answer:

its B

Step-by-step explanation:

7 0
3 years ago
Two circles have the same radius. Is the combined area of the two circles the same as the area of a circle with twice the radius
Dimas [21]
Ok so area=pir^2

2 circles with same area=2pir^2

circle with 2 times radius=pi(2r)^2=pi4r^2=4pir^2

is 2 circles with same area equal to circle with 2 times radius?
is 2pir^2=4pir^2?
is 2=4?
no


therfor the answer is no

it is because the radius is squaered so the doubled gets doubled makng it quadrupuled when the first one only gets doubled
8 0
3 years ago
In how many ways can a quality-control engineer select a sample of3 transistors for testing frm a batch of 100 transistors?
Advocard [28]

Answer:

161700 ways.

Step-by-step explanation:

The order in which the transistors are chosen is not important. This means that we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

3 transistors from a set of 100. So

C_{100,3} = \frac{100!}{3!(100-3)!} = 161700

So 161700 ways.

6 0
3 years ago
5 points
zubka84 [21]

Answer:

d. $28.70

Step-by-step explanation:

first you divide 126 by 9 and you get 14 then you times 14 by 2.05 and you come out with a total 28.70

3 0
3 years ago
What is the length in cm of s i need help
Romashka [77]

Answer:

12.8

Step-by-step explanation:

A squared plus B squared equals C squared

6 0
2 years ago
Read 2 more answers
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