Answer:
B=-1
Step-by-step explanation:
Standard form is Ax+By=C.
In this case, Ax is x, By is 1/5y, and C is +2.
To isolate the 2 (the C), subtract x from both sides of the equation:
x+2=1/5y
-x -x
2=-x+1/5y.
Now, the value of B, the x value, is -1.
Answer: Option D.
Step-by-step explanation:
this is a quadratic equation of the form:
y = ax^2 + bx + c
First, things you must see.
The graph opens up, so we must have thata a is greater than zero, so we can discard the first option.
Second, we can see that the vertex is located in x ≈ 70
The vertex of a quadratic equation is: x = -b/2a
so we have:
70 = -b/2a
let's try our options and see if we can discard other:
B:
-b/2a = 69.9/2 = 34.95
we can discard this option.
C:
-b/2a = 78/2 = 39 we can discard this option.
D:
-b/2a = 69.9/2*0.5 = 69.9
This is the only one that fits, so this is the correct option.
Answer:
20 cupcakes
Step-by-step explanation:
You multiply 5 times 4 because their are 4/4 in each egg so for 5 eggs their would be 20 cupcakes because 5 times 4 equals 20.
Answer:
If each of three people are given three-tenth of an apple shared, what fraction of the apple was received by the three people?
9/10
Explanation:
The given multiplication is 3 x 3/10
The word problem that can result to the mathematical expression 3 x 3/10 is:
<em>If each of three people are given three-tenth of an apple shared, what fraction of the apple was received by the three people?</em>
Since each of the people get 3/10 of the apple
The three people received a total share of 3 x 3/10 = 9/10r
