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Anit [1.1K]
3 years ago
12

A car can travel 393.3 miles on 28.1 gallons of gas. How far can it travel on 16.7 gallons?

Mathematics
1 answer:
grigory [225]3 years ago
8 0
In the early months of some year one site added 0.4 million new accounts every day, At this rate , how many days would be needed to add 24 million new accounts?
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What is the value of x?
Artyom0805 [142]

Answer:

X. The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!

Step-by-step explanation:

6 0
3 years ago
Could anyone help me with this whole question? The bottom drop-down question options are, does or does not
Alina [70]

Answer:Values for the coefficient in the product k:

a=b=c=d=3*10^8, so the first four boxes should be filled with the number "3"

Drop down arrow: "does"

Step-by-step explanation:

We perform all the products of wavelength time frequency indicated for the column of the quantity "k":

a=1 * 10^{-10} * 3\, * 10^{18} = 3 * 10^{-10+18} = 3 * 10^{8}=

b=1 * 10^{-1}*3*10^9=3* 10^{-1+9}=3*10^8

c=600*10^{-6}*5*10^{11}=3000*10^{-6+11}=3000*10^5=3*10^3*10^5=\\=3*10^{3+5}=3*10^8

d=4*10^{-7}*7.5*10^{14}=30.0*10^{-7+14}=30*10^7=3*10*10^7=\\=3*10^{1+7}=3*10^8

Therefore, all products of these different wavelengths and their associated frequencies render the exact same answer : 3*10^8, which means that as one of these quantities increase, the other one will decrease in the same proportion to give the same numerical answer.

This means that the two quantities are associated via inverse proportionality. As seen in the equation below, if the quantities "x" and "y" are related by inverse proportionality (shown as one equals a constant "A" divided by the other variable), their product x*y will give that constant value "A" (which in our case is 3*10^8.

x=\frac{A}{y} \\x*y=A

4 0
3 years ago
What is 3/4 of a dollar forgot will mark Brainliest if right
mel-nik [20]

Answer:

0.75 U.S. dollars

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
I need to answer and explain
nignag [31]

Answer:

parallel

Step-by-step explanation:

Solve both equations for y to make it easier to compare them.

2x - 5y = 0 ↔ 5y = 2x, or y = (5/2)x.

y = (5/2)x - 3

Since the slopes are the same, the two lines are parallel.

8 0
3 years ago
NEED HELP ASAP PLS!!!!!
valkas [14]

Step-by-step explanation:

1. Octagon- 8 sides

2. Quadrilateral- 4 sides

3. Decagon- 10 sides

4.  Nonagon- 9 sides

5. Octagon- 8 sides

6. Nonagon- 9 sides

<u><em>Hope this helps</em></u>

6 0
3 years ago
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