Answer:
11. Yes
12. No
Step-by-step explanation:
11. The x values only have 1 y value, so it makes it a function.
12. The x value 0 has 2 y values -4 and 4, therefore it is not a function, because in functions that x value can only have one y value,
Answer:it would be 5/25
Step-by-step explanation:you have to divide that's all im telling you
Number 7 you divide 6.48 by 4
4 over 5 is a fraction. So.......that would be this fraction ------> *4/5.*
4/5 is a not a *whole* number. it's 80% to a whole number. So if you convert it into a decimal form, you would get 0.8.
Hope this helps! ~~~~~Mathnerdz
Answer:
B.12 ounces
Step-by-step explanation:
step 1
Find out the ounces of orange juice concentrate used yesterday
Let
x ----> ounces of orange juice concentrate used yesterday
y ---> ounces of water used yesterday
we know
that
----> equation A
----> equation B
substitute equation B in equation A
solve for x
step 2
today she wants to make twice as much orange juice.
To find out how much orange juice concentrate she needs, multiply the ounces of orange juice concentrate used yesterday by 2
so