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3 years ago

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Beth poured the same amount of juice into 10 glasses. She used 2 quarts of juice. How much juice is in each glass? Here are the

choices:
A: 2/10
B: 10/2
C: 2/10 of 2
D: 2/5

1 answer:

zloy xaker [14]3 years ago

7 0

Answer:

A: 2/10

Step-by-step explanation:

She's pouring the 2 quarts into 10 cups, therefore if you drew it out, the amount each cup would have 1/5(or 2/10) of the quart.

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Find the sum of the solutions of this equation 3x2+14x+8=0

Dimas [21]

Answer:

3x^2+14x+8=0

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3x(X+4) 2(X+4)=0

so, (3x+2) (X+4)=0

either 3x+2=0

X= -2/3

or X+4=0

X= -4

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Kamal wrote the augmented matrix below to represent a system of equations

ra1l [238]

Consider the operation is $R_2\to -3R_2$ .

Given:

The augmented matrix below represents a system of equations.

$\left[\left.\begin{matrix}1&0&1\\1&3&-1\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-9\\-2\end{matrix}\right]$

To find:

Matrix results from the operation $R_2\to -3R_2$ .

Step-by-step explanation:

We have,

$\left[\left.\begin{matrix}1&0&1\\1&3&-1\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-9\\-2\end{matrix}\right]$

After applying $R_2\to -3R_2$ , we get

$\left[\left.\begin{matrix}1&0&1\\-3(1)&-3(3)&-3(-1)\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-3(-9)\\-2\end{matrix}\right]$

$\left[\left.\begin{matrix}1&0&1\\-3&-9&3\\3&2&0\end{matrix}\right|\begin{matrix}-1\\27\\-2\end{matrix}\right]$

Therefore, the correct option is A.

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Can somebody actually help me?

Svetach [21]

The answer is letter B.

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If the exponential model f(x)=9(13)x is written with the base e, it will take the form A0ekx. What is A0 and what is k?

nadezda [96]

9 × 13<em>ˣ</em> = 9 × exp(ln(13<em>ˣ </em>))

… = 9 × exp(<em>x</em> ln(13))

… = <em>A</em>₀ × exp(<em>kx</em>)

so that

<em>A</em>₀ = 9

<em>k</em> = ln(13)

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3 years ago