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Goryan [66]
3 years ago
15

I don’t get this question 12

Mathematics
1 answer:
tankabanditka [31]3 years ago
6 0

Answer:

209.5 grams are protein

Step-by-step explanation:

Protein is 25 % or .25

We have 838 grams of peanut butter

25% of it is protein.  Multiply the grams by the percent that is protein to determine how many grams are protein

grams protein = total grams times percent protein

                         =838*.25

                         = 209.5 g

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Y=-1/3x^2-4x-5 in vertex form
grigory [225]

Answer:

Y=-\frac{1}{3}(x+6)^2+7   [Vertex form]

Step-by-step explanation:

Given function:

Y=-\frac{1}{3}x^2-4x-5

We need to find the vertex form which is.,

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

where (h,k) represents the co-ordinates of vertex.

We apply completing square method to do so.

We have  

Y=-\frac{1}{3}x^2-4x-5

First of all we make sure that the leading co-efficient is =1.

In order to make the leading co-efficient is =1, we multiply each term with -3.

-3\times Y=-3\times\frac{1}{3}x^2-(-3)\times4x-(-3)\times 5

-3Y=x^2+12x+15

Isolating x^2 and x terms on one side.

Subtracting both sides by 15.

-3Y-15=x^2+12x-15-15

-3Y-15=x^2+12x

In order to make the right side a perfect square trinomial, we will take half of the co-efficient of x term, square it and add it both sides side.  

square of half of the co-efficient of x term = (\frac{1}{2}\times 12)^2=(6)^2=36

Adding 36 to both sides.

-3Y-15+36=x^2+12x+36

-3Y+21=x^2+12x+36

Since x^2+12x+36 is a perfect square of (x+6), so, we can write as:

-3Y+21=(x+6)^2

Subtracting 21 to both sides:

-3Y+21-21=(x+6)^2-21

-3Y=(x+6)^2-21

Dividing both sides by -3.

\frac{-3Y}{-3}=\frac{(x+6)^2}{-3}-\frac{21}{-3}

Y=-\frac{1}{3}(x+6)^2+7   [Vertex form]

8 0
3 years ago
А
mojhsa [17]

Answer:

  84°

Step-by-step explanation:

Adjacent angles in a parallelogram are supplementary:

  ∠A = 180° -96°

  ∠A = 84°

5 0
3 years ago
Which two ordered pairs represent point a and point b on the graph ?
Mandarinka [93]

Answer:

2, 3 and 7,8

Step-by-step explanation:

8 0
2 years ago
What is (3/5) squared?
Marat540 [252]
3/5 squared in 9/25, 3*3/5*5 :)
5 0
3 years ago
Read 2 more answers
You roll a 6-sided die. What is P(odd)? Write your answer as a fraction or whole number.
Troyanec [42]

Answer:

the chances of you gettin a odd number is 3/6 since you have 1 3 and 5

Step-by-step explanation:

7 0
2 years ago
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