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noname [10]
3 years ago
6

4)

Mathematics
1 answer:
Elena L [17]3 years ago
3 0

Answer:

1 out of 5, 20%

Step-by-step explanation:

since the spinner has 5 sections and your looking for how many times it would land on it the fraction or probability of landing the spinner on blue would be 1/5. So you would have the probability of 1 out 5.

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Tom and Becky can paint Jim's fence together in 12 hours. If all people paint at the same rate, how many hours would it take to
Delvig [45]

Answer: 8 hours

Step-by-step explanation:

Let x be the time taken by each person to paint the fence.

Given: Tom and Becky can paint Jim's fence together in 12 hours.

Since all people paint at the same rate, then we have the following equation ;-

\dfrac{1}{x}+\dfrac{1}{x}=\dfrac{1}{12}\\\\\Rightarrow\ \dfrac{2}{x}=\dfrac{1}{12}\\\\\Rightarrow\ x=24

Thus, the time taken by each person to paint the fence alone = 24 hours

Now, the time taken by all three paint together:-

\dfrac{1}{t}=\dfrac{1}{24}+\dfrac{1}{24}+\dfrac{1}{24}\\\\\Rightarrow\ \dfrac{1}{t}=\dfrac{3}{24}\\\\\Rightarrow\ t=\dfrac{24}{3}=8\text{ hours}

Hence, it would take 8 hours if all three paint together.

3 0
3 years ago
3(y + 10) using the distributive property
Solnce55 [7]

Answer:

3y+30

Step-by-step explanation:

6 0
3 years ago
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You sell and offer seven vegetable toppings in 4 meat toppings. The base of a price for pizza is $11. You charge $1.50 for each
Evgesh-ka [11]
The answer is a (19.25)
8 0
3 years ago
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What is the answer to 4/5w = 8
Leni [432]

Answer:

w = 10

Step-by-step explanation:

\frac{4}{5}w=8~(Given)\\\\\frac{5}{4}(\frac{4}{5}w)=\frac{5}{4}(8)~(Multiply~5/4~on~both~sides)\\\\w=10~(Simplify)

4 0
2 years ago
Read 2 more answers
Find the 30th term of the following sequence. 1, 7, 13, 19,.. 174. 175. 180. 181.
shepuryov [24]
The first term a = 1, 

Common difference, d: 7 - 1 = 6.

a(n) =  a + (n -1)d,        

For 30th term.      =  1 + (30 -1)*6
 
                             =  1 + 29*6 = 1 + 174 = 175
8 0
3 years ago
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