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Anastasy [175]
3 years ago
12

Which expression is equivalent to 1/3(4x+9)+5x?

Mathematics
2 answers:
sleet_krkn [62]3 years ago
8 0

Answer:

B

Step-by-step explanation:

hope this helps working it out is to much work don't want to do it sorry if you need the work I will do jt

puteri [66]3 years ago
4 0
I think it d. I’m not sure I could be wrong
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Suppose that--in any given time period--a certain stock is equally likely to go up 1 unit or down 1 unit, and that the outcomes
Leviafan [203]

Answer:

x =45 and y = 23

Step-by-step explanation:

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3 years ago
The store allowed 85 people in 5 hours .. how many people were allowed to enter per hour?
ale4655 [162]

Answer:

17 people per hour

Step-by-step explanation:

85/5

3 0
3 years ago
Choose one of the factors of x^3 + 343.
Debora [2.8K]

First, note that 343=7^3. Then use the formula for the sum of perfect cubes:

a^3+b^3=(a+b)(a^2-ab+b^2).

Therefore,

x^3 + 343=x^3+7^3=(x+7)(x^2-7x+49).

The quadratic trinomial x^2-7x+49 couldn't be factored anymore, so the expression x^3 + 343 has two factors x+7 and x^2-7x+49.

Answer: correct choice is A.

3 0
3 years ago
What does 5/7c=13/14 equal
natita [175]
To find c, you must isolate it.
To do this, you must divide both sides by 5/7, since that is being multiplied by c and you must do the inverse to it to cancel it out in order to leave c by itself.

5/7c ÷ 5/7 = c

13/14 ÷ 5/7
To divide fractions, follow these steps:
Step 1- Turn the second fraction, 5/7 in this case, into its reciprocal. This means swapping the places of the numerator and denominator.
5/7 reciprocal = 7/5

Step 2- multiply the original first fraction and reciprocal second fraction.
13/14 • 7/5
13 • 7 = 91
14 • 5 = 70
13/14 ÷ 5/7 = 91/70

Step 3- Simplify if possible.
91/70
Since 70 can go into 90, you can turn this into a mixed number.
1 and 21/70
Now simplify 21/70.
Both can be divided by 7.
21 ÷ 7 = 3
70 ÷ 7 = 10
So simplified, 91/70 equals 1 and 3/10.
As a decimal, this is 1.3.

So the answer is c = 1.3, or 1 and 3/10.

Hope this helps :)
8 0
3 years ago
The junior class of Eastlake High School has 146 students, and 67 of them are girls. How many boys are there in the class?
Katena32 [7]

Hello!

In order to find how many boys there are in the class simply subtract 67 from 146:

146-67= 79

There are 79 boys in the class

I hope it helps!

6 0
3 years ago
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