3:2 is equivalent to

Mathematics

1 answer:

PIT_PIT [208]3 years ago

3 0

Answer:

9:6 27:18 and 81: 54

Step-by-step explanation:

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Aldos coffee shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Aldo $5.80 per pound, and type of

LuckyWell [14K]

Let A represent amount of Type A coffee pounds used.
Let B represent amount of Type B coffee pounds used

A + B = 156
B = 156 - A
A = 156 - B

5.80A + 4.65B = 826.60
580 (156 - B) + 4.65B - 826.60 = 0
904.8 - 5.80B + 4.65B - 826.60 = 0
904.8 - 1.15B - 826.60 = 0
78.2 - 1.15B = 0
78.2/1.15 = 1.15B/1.15
68 = B
B = 68 pounds of Type B coffee

There's many more steps you can take to check and etc but am too lazy to put down sorry.

5 0

3 years ago

Jen knows that (-1, 41) and (5, 41) lie on a parabola defined by the equation y=4x^2-16x+21. How can I find the coordinates of t

andreyandreev [35.5K]

The vertex is at (2, 5).

To find the vertex, we first find the axis of symmetry; this is given by

x = -b/2a

For our equation, b = -16 and a = 4:
x = -(-16)/2(4) = 16/8 = 2

We substitute this back into our equation:
y = 4(2)² - 16(2) + 21 = 4(4) - 32 + 21 = 5

Therefore the vertex is at (2, 5).

8 0

3 years ago

If someone is 54 inches tall how tall are they in meters

tigry1 [53]

Answer:

54 inches = 1.3716 meters

Step-by-step explanation:

8 0

3 years ago

What is the justification for step 2 in the solution process?

gulaghasi [49]

Answer: OPTION B.