22 has how many 2/7s in it? please explain how you got your answer. thank you :]
2 answers:
Answer:
There are 77 s
Step-by-step explanation:
You can calculate this by a series of flips and operation changes.
Step 1 - Change 22 into a fraction
Step 2 - Flip the operation, in this case, it will be from division to multiplication:
Step 3 - Flip the second fraction
Step 4 - Multiply the two fractions together:
Step 5 - Divide the numerator by the denominator:
154 ÷ 2 = 77
So 22 has 77 s in it.
Hope this helps!
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Answer:
The length of each side of the 9 in
Step-by-step explanation:
The volume of the gift box is 972 in. The height of the gift box is 12 inches
and the area of the base is 81 in².
We want to determine the length of each side of the square base if the base shape is a square.
Recall that, the area of a square is
It was given that, the area of this base is 81 in²
Take positive square root:
Answer:
a = -0.32
b = 16
c = - 168
Step-by-step explanation:
In the figure attached, the quadratic function is shown. We can model it as follows:
y = a*(x - x1)*(x - x2)
where (x1, 0) and (x2, 0) are its roots
From the picture, roots are (15, 0) and (35, 0), replacing them into the equation:
y = a*(x - 15)*(x - 35)
and the vertex is at (25,32), replacing into the equation:
32 = a*(25 - 15)*(25 - 35)
32 = a*(-100)
a = 32/(-100)
a = -0.32
Applying distributive property:
y = -0.32*(x - 15)*(x - 35)
y = -0.32*(x² - 35x - 15x + 525)
y = -0.32x² + 16x - 168
which corresponds to the general form:
y = ax² + bx + c
