What is the relative error of a distance given as 550cm plus or minus 24.2cm?
Answers
The relative error is plus or minus 4.4 percent .
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Answers
Final answer:
Without a ratio, we cannot answer these questions. However, if we had a ratio such as 2 cups flour to 3 eggs, we could use cross-multiplication to find the amount of flour needed for 6 eggs (12 cups) and the amount of eggs needed for 15 cups of flour (45 eggs).
Explanation:
To answer these questions, we need a ratio between flour and eggs. However, without this ratio, it's impossible to answer questions a and b correctly. Usually in cooking, the amounts of ingredients used can vary depending on the recipe.
- Multiply the amount of flour (2 cups) by number of eggs (6 eggs) to find the total amount of flour needed. 2x6=12, so you would need 12 cups of flour.
- Multiply the amount of eggs (3 eggs) by amount of flour (15 cups) to find the total number of eggs needed. 3x15=45, so you would need 45 eggs.
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b. The equation 2/3(x + 400 + 350) = x can be used to model the situation.
c. Leena consumed 500 calories at dinner.
d. The equation 2/3(x) = x(400 + 300) can be used to model the situation.
e. Leena consumed 1,000 calories at dinner.
f. The equation 2/3x(400 + 300) = x can be used to model the situation.
Answers
Only Option 'A' and 'B' are correct.
a) Leena consumed 1,500 calories at dinner.
b) The equation 2/3(x + 400 + 350) = x can be used to model the situation.
What is an expression?
Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Since, we have given that
Number of calories she consumed at breakfast = 400
Number of calories she consumed at lunch = 350
Now, Let number of calories she consumed at dinner be x
According to question,
She consumes 2/3 of her daily calories at dinner,
So, it becomes,
1/3 x total = 400 + 350
total = 2250
so, Number of calories she consumed at dinner is given by
2/3 of total = x
2/3 x 2250 = x
x = 1500
And by option 'B' we get,
2/3 (x + 400 + 350) = x
2 (x + 750) = 3x
2x + 1500 = 3x
x = 1500
So, only Option 'A' and 'B' are correct.
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Answer:
the answers are A and B
Step-by-step explanation:
hope i helped
at 30 mph and Andrew travels due south at
40 mph. If nothing causes either to stop for
any reason how far apart are they after
1 hour?
Answers
I nee your help , can you ?
Answers
20h^2: 2 * 2 * 5 * h * h
GCF(5h^3, 20h^2) = 5h^2
4h: 2 * 2 * h
16: 2 * 2 * 2 * 2
GCF(4h, 16) = 4
The answer is C.
Answers
p + 6 ... the sum of p and six
2 - ... two minus
2 - (p + 6) ... two minus the sum of p and six
The correct result would be: a. two minus the sum of p and six.
B. –3a + b
C. –3a + 7b
D. 9a + b
E. 9a + 7b