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Anit [1.1K]
3 years ago
11

What numbers are a multiple of both 5 and 15

Mathematics
1 answer:
Aneli [31]3 years ago
4 0

Answer: is 3


Step-by-step explanation: this is because you need to divide the two numbers and 3 go into 5 and 15.


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An ostrich that is it so many inches tall is 12 in taller than three times the height of a kiwi. What is the height of a kiwi in
Grace [21]

Answer:

the height should be 4.

Step-by-step explanation:

because 12 divided by 3 is 4

8 0
3 years ago
Find the quotient of 4 2/3 ÷ 2 2/5
Sveta_85 [38]
<h3>Solution:</h3>

4  \frac{2}{3}  \div 2 \frac{2}{5}  \\  =  \frac{14}{3}  \div  \frac{12}{5}  \\  =  \frac{14}{3}  \times  \frac{5}{12}  \\  =  \frac{70}{36}  \\  =  \frac{35}{18}  \\  = 1 \frac{17}{18}

<h3>Answer:</h3>

1 \frac{17}{18}

6 0
3 years ago
Read 2 more answers
Help me find the GCF 93 AND 62
Ilia_Sergeevich [38]
The GCF of 93 and 62 is 31
8 0
3 years ago
A school requires 6 computers for every 10 students. How many computers, c, would be needed for 290 students? Write and solve a
Pepsi [2]

Answer:

174 because 290 divided by 10 is 29 so then 29 times 6 is 174.

Hope this helped if not sorry.

Step-by-step explanation:

8 0
3 years ago
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Find f(-1) (inverse) if y=4x+2/3x-1 and x is not equal with 1/3
Setler [38]
Before we find f^{-1}, let's think for a minute about what f does, and what it means to find the inverse of a function. A function f essentially takes a value <em />x from the <em>domain</em> and maps it to another value <em />y in that function's <em>range</em> according to a set of rules. Here, those rules are defined by the formula

y= \frac{4x+2}{3x-1} , x \neq \frac{1}{3}

All the inverse does is <em>swap the domain and range of the function</em>. Now, instead of trying to map x to y, we're trying to find a set of rules that'll map y back to x. To find those rules, all we have to do is solve the above equation for x.

First, we'll multiply both sides of the equation by 3x-1 to get it out of the denominator:

(3x-1)y=( \frac{4x+2}{3x-1})(3x-1)

Cancelling on the right side and distributing on the left, we get:

3xy-y=4x+2

Next, we collect all of our x terms on one side, and all of our non-x terms on the other:

(3xy-y)+y=(4x+2)+y\\(3xy)-4x=(4x+2+y)-4x\\3xy-4x=2+y

Let's rearrange the right side and factor out an x on the left:

x(3y-4)=y+2

And finally, we divide both sides by 3y-4 to obtain our answer:

[x(3y-4)]/(3y-4)=(y+2)/(3y-4)\\\\x= \frac{y+2}{3y-4}

This equation gives us the "rules" for mapping any given y in the range back to an x in the domain. If we swap the domain and the range, we can define our function 

f^{-1}(x)= \frac{x+2}{3x-4}
7 0
4 years ago
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