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tangare [24]
3 years ago
13

Y and x have a proportional relationship, and y = 15 when x = 3. What is the value of x when y = 4?

Mathematics
1 answer:
Zigmanuir [339]3 years ago
7 0
I think it would be 20!!
Hope it helps!
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Use unit multipliers to convert 123 pounds per mile to ounces per centimeter. There are 5,280 feet in 1 mile. There are 16 ounce
gregori [183]
A unit multiplier is a conversion factor of value 1 that we can use to convert quantities.
We want to convert 123 pounds per mile to ounces per centimeter. 
First, we are going to express the quantity to convert as a fraction:
123 pounds per mile=123 \frac{pounds}{mile}

Next, we are going to find our multipliers:
- We know for our problem that there are 5,280 feet in 1 mile, so our first multiplier will be: \frac{1mile}{5280ft}
- We also know that there are 16 ounces in 1 pound, so our second multiplier will be: \frac{16ounces}{1pound}
- We know that there are 12 inches in 1 foot, so our third multiplier will be: \frac{1ft}{12in}
- We know that t<span>here are approximately 2.54 cm in 1 inch, so our fourth multiplier will be: </span>\frac{1in}{2.54cm}

Now we can put all our multipliers together:
123 \frac{pounds}{mile} * \frac{1mile}{5280ft}*\frac{16ounces}{1pound}* \frac{1ft}{12in}*\frac{1in}{2.54cm}=0.01 \frac{ounces}{cm}

We can conclude that the answer is 0.01
3 0
4 years ago
Each regular polygon has radil and apothem as shown. Find the measure of each numbered angle. ​
ruslelena [56]

Answer:

∠5 = 60°

 ∠6 = 30°

 ∠7 = 120°

Step-by-step explanation:

Since the polygon is regular, you know that the central angle (7) is 1/3 of the circle, or 120°. The angle 5 is half that measure, so is 60°, and the angle 6 is the complement of angle 5, so is 30°. (Angle 6 is also half the inscribed angle at each vertex, said inscribed angle being 120°/2 = 60°.)

 ∠5 = 60°

 ∠6 = 30°

 ∠7 = 120°

4 0
3 years ago
1/4(4y+16)-6=-1/5(10y-35)
Marizza181 [45]
Y=3
Simplify
Distribute
Combine like terms
Add 2y to both sides
Add 2 to both sides
Divide by 3 , both sides.
If u want me to write the numbers and all just reply
8 0
3 years ago
You need to mix 42 kilograms of mortar. Each kilogram of mortar mix requires 0.03 liters of water. How many liters of water do y
Yakvenalex [24]
42*.03 liters = <span>1.26 liters</span>
6 0
4 years ago
Read 2 more answers
If the nth term of a number sequence is n^2 + 2,<br>find the first 3 terms and the 10th term ​
Nady [450]

Answer:

The first three terms are 3,6,11

The 10th term is 102

Step-by-step explanation:

An ordered list of numbers is known as a sequence such that each number in the sequence is called a term.

The nth term is a_n=n^2+2.

To find the first 3 terms, put n=1,2,3

a_1=1^2+2=1+2=3\\a_2=2^2+2=4+2=6\\a_3=3^2+2=9+2=11

To find the 10th term, put n=10 in a_n=n^2+2

a_{10} =(10)^2+2=100+2=102

8 0
3 years ago
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