Answer:
43 questions in total
Step-by-step explanation:
the original equation with the unknown (total number of questions on the test) will look like this
we know this because to work out a percentage in the 1st place you need the total ÷ number (in this case it's ÷ how many questions out of the total she did answer)
now you rearrange.
you need to move the 24 to get the total on it's own here's how you do it
what you do to one side of equation you have to do to the other. the 24 and 24 on the left will cancel because 24÷24=1 and we don't write
got mum of Q's x 1= 80 x 24
now you convert % to decimal
replace
now you take the original and + the 19
therefore there are a total of 43 questions on the exam
Using a system of equations, it is found that one large jar holds 6 ounces and one small jar holds 4 ounces.
<h3>What is a system of equations?</h3>
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the variables are:
- Variable l: Weight that a large jar holds.
- Variable s: Weight that a small jar holds.
One large jar and five small jars can hold 26 ounces of jam, hence:
l + 5s = 26, which is the first equation in matrix form.
Then:
l = 26 - 5s.
One large jar minus one small jar can hold 2 ounces of jam, hence:
l - s = 2, which is the second equation in matrix form:
Then:
l = 2 + s = 26 - 5s
2 + s = 26 - 5s
6s = 24
s = 4.
l = 26 - 5s = 6.
More can be learned about a system of equations at brainly.com/question/24342899
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Answer:
AM=6
Step-by-step explanation:
Parallelogram has two equal parallel sides
This implies that PM parallel and equal to ON
Also, MN is parallel and equal to OP
Since the diagonals bisect each other it implies that AM=AO and NP=AP
From the question, AO=6
Therefore,AM=6
Answer:
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<span><span> x =(4-√-104)/6=(2-i√ 26 )/3= 0.6667-1.6997i</span><span> x =(4+√-104)/6=(2+i√ 26 )/3= 0.6667+1.6997i</span></span>
