Answer:
F=121.61 gr,
Step-by-step explanation:
we see that it is a problem of proportion, so then if the total mass of the sample is the sum of M plus fluorine
the sample weighs 1.38gr M + 0.71gr F = 2.09, where M y F represent :
M=1.38*100/2.09 = 66.02% and
F=0.71*100/2.09 = 33.97%, also
in 358 gr. * 0.3397F = 121.61 gr F
Answer:
320π cm^3
Step-by-step explanation:
V=1/3 π r² h
V=1/3 × π x 8² x 15
V=1/3 × π x 64 x 15
V=320π cm³
There are no parentheses or exponents, so the Order of Operations tells you to start by performing division and multiplication left to right.
7-3+4÷2×6
= 7-3+2×6
= 7-3+12
After you have done that, you perform addition and subtraction left to right.
= 4 +12
= 16
______
A Google or Bing search box will evaluate expressions such as this according to the order of operations.
Answer:
$7.55
Step-by-step explanation:
We can solve this by using a system of equations. The equations would be set up like this:

Let's isolate a variable in the first equation:

Now we can plug this in to the second equation:

Now that we have found c we can find p by plugging c in to an equation

We have found both variables now we can use the following equation to answer the question:

Therefore, the price in dollars of 4 cucumbers and 3 peppers is $7.55.
<em>I hope this helps!!</em>
<em>- Kay :)</em>
Answer:
154°
Step-by-step explanation:
m<LOM + m<MON = m<LON and since m<LON is a straight angle the measure of it would be 180°
9x - 91 + 6x + 76 = 180 add like terms
15x - 15 = 180
15x = 195
x = 13
m<MON is 6x + 76 replace x with 13 ➡ 6×13 + 76 = 154°