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Vlad1618 [11]
2 years ago
8

Determine the number of pounds of nuts selling for $6 per pound and raisins selling for $3 per pound

Mathematics
1 answer:
Oksana_A [137]2 years ago
6 0
The answer is 134....
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Christine went shopping and bought each of her six nephews a gift, either a video costing $14.95 for a CD costing $16.88. She sp
andrezito [222]

Let v = number of video's she bought

Let c = number of CD's she bought

v+c=16

1495v+1688c=9355

Multiply both sides of (1) by 1495

and subtract (1) from (2)

-1495v-1495c=-8970

193c=386

c=2h

6 0
3 years ago
Read 2 more answers
Quadratic form to vertex form with a vertex of (-4,-1) and a y-intercept of 7
Arlecino [84]
The quadratic function in vertex form is:

y = a(x - h)^2 + k

Where:

vertex = (h, k)
Axis of symmetry: x = h

The value of “a” determines whether the graph opens up or down, and makes the parent function wider or narrower.

The value of “h” determines how far left or right the parent function is translated.

The value of “k” determines how far up or down the parent function is translated.

Now that we have these definitions, we can substitute the given values into the vertex form to solve for “a”:

Use vertex = (-4, -1) and y-intercept, (0, 7):

7 = a(0+ 4)^2 - 1
7 = a(4)^2 - 1
7 = a(16) - 1

Add 1 to both sides:

7 + 1 = a(16) - 1 + 1
8 = 16a

Divide both sides by 16 to solve for “a”:

8/16 = 16a/16
1/2 = a

Since a = 1/2 (which is positive, implying that the parabola opens upward), and the vertex occurs at point (-4, -1) as the minimum point:

The quadratic equation in vertex form is:

y = 1/2(x + 4)^2 - 1


Please mark my answers as the Brainliest, if you find my explanations/solution helpful :)

5 0
2 years ago
5. Find a counterexample to show that the following con-
Bess [88]

Answer:  see below

<u>Step-by-step explanation:</u>

Any value x such that |x| < 1 will make the conjecture false

<em>In simpler words, let x be a fraction between 0 and 1.</em>

One example: Let x = \dfrac{1}{2}

Then x⁴ = \bigg(\dfrac{1}{2}\bigg)^4

             = \dfrac{1}{16}

\dfrac{1}{16} < \dfrac{1}{2}

so the conjecture is false.

7 0
3 years ago
Carlos drove 276 miles from his house to Los Angeles at an average speed of 62 miles per hour. His trip back home took 6.5 hours
aalyn [17]
The equation for speed is s=d/t, s=276/6.5. Then, you divide 276 in 6.5: s is approximately 42 miles/hour. So, he drove 12 miles/hour faster getting there than coming back home.
 
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3 years ago
(4u-4bn)(u+2bn) find the product
luda_lava [24]
(4u-4bn)(u+2bn) 

4u^2+8ubn-4bnu-8b^2n^2 

4u^2+(8bnu-4bnu)-8b^2n^2 

4u^2+4bnu-8b^2n^2
4 0
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