Sarah used her calculator to work out the value of a number y .
1 answer:
Answer:
Step-by-step explanation:
The calculator approximated the value of y at 7.8.
We need to complete the error interval for y.
In other words, we calculate the upper and lower bound for y.
The level level of accuracy is to the nearest tenth.
To find the lower bound, we subtract half the degree of accuracy to get:
To find the upper bound, add half the level of accuracy to get:
Therefore the error interval is
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Answer:
7x+9y=45
Step-by-step explanation:
Standard equations always mean that you have to get x and y on one side so that they equal the coefficient.
Do this by adding the fraction that is combined with x to the other side where y is. The equation should now read
Standard form cannot have fractions, so now you must multiply by the denominator (9) on both sides of the equation in order to cancel it out. Don't forget to multiply EACH variable by 9. This leads you to the answer.
Answer:
There will be 2 numbers of individual bags of chocolates left with Missy.
Step-by-step explanation:
Missy bought 4 bags of chocolates and there are 8 pieces of chocolates in each bag.
Therefore, there was a total (4× 8) = 32 chocolates.
Now, her kids ate 6 of the chocolates.
So, there remains (32 - 6) = 26 chocolates left.
If Missy packed the remaining chocolates into individual bags with 13 chocolates in each bag, then there will be numbers of individual bags of chocolates left with Missy. (Answer)