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Talja [164]
2 years ago
11

Which of the following equations is quadratic?

Mathematics
1 answer:
sladkih [1.3K]2 years ago
6 0
It’s b pls brainiest me have a Good day
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Martha is making lemonade. She needs lemon juice, sugar and water. She needs 1 cup of lemon juice and 3 cups of water. Which cup
mixer [17]

Answer:

0.61 ( A )

Step-by-step explanation:

The standard proportion of Sugar, lemon juice and water needed to make a Lemonade is Usually 1 cup each

But If you Intend to make Your lemonade less sweet you can increase the water or reduce the amount of sugar to ≈ 1 ( i.e. less than 1 but approximately = 1 )

Hence The appropriate amount of sugar needed will be = 0.61

6 0
3 years ago
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The function f(x) = −x2 + 28x − 192 models the hourly profit, in dollars, a shop makes for selling sodas, where x is the number
Rudik [331]

9514 1404 393

Answer:

  C- (14, 4); The vertex represents the maximum profit.

Step-by-step explanation:

The leading coefficient of the quadratic function is negative, so the graph opens downward, and the vertex represents a maximum.

The maximum value is at ...

  x = -b/(2a) = -28/(2(-1)) = 14

  f(14) = -14^2 +28(14) -192 = 4

The vertex is (14, 4). It represents the maximum profit.

4 0
2 years ago
Given that WXYZ is a rhombus, find the value of x. A. 15 B. 20 C. 30 D. 45
Yanka [14]

In this problem, we are given the equations of the two sides of a rhombus.

Equation 1 is 4 x – 10

Equation 2 is 2 x + 20

Since the given shape is a rhombus, therefore the two sides have equal sides. Hence, we can simply equate equation 1 and equation 2:

4 x – 10 = 2 x + 20

2 x = 30

x = 15


Therefore the answer is:

A. 15

3 0
3 years ago
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How to calculate variance of negative binomial distribution?
victus00 [196]
Var(y)=k(1-p)/p^2
where y is the random variable
k is the successes obtain from y
0<p<1
3 0
3 years ago
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Find the perimeter of a rectangle measuring 513 mm by 712mm
SSSSS [86.1K]
I think you have to add 513mm and 712mm to get the perimeter of your rectangle hope this helped
5 0
3 years ago
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