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Veseljchak [2.6K]
3 years ago
10

Plz help! 2 questions!! A machine is wrapping 18 boxes in 5 minutes. If the machine continues at the same rate, how many boxes w

ill it rap in 25 minutes ? A.38 B.90 C.23 D.72
Chris is making lemonade. The directions say to mix 5 cups of water with 2 scoops of powdered lemonade mix. How many cups of water should he use with 2.5 scoops of fruit mix? A.6 B.6.25 C.6.5 D. 6.75
Mathematics
2 answers:
kow [346]3 years ago
6 0
Question 1:
25 * (18/5) = 90
B

Question 2:
2.5 * (5/2) = 6.25
B
Maurinko [17]3 years ago
6 0
In 5 minutes = 18 boxes
In 1 minute = 18/5 boxes
In 25 minutes = 18/5 x 25 = 90

So correct option is B . 90

2 scoops = 5 cups of water
1 scoop = 5/2 cups of water
2.5 scoop = 5/2 x 2.5 = 6.25

So correct option is B. 6.25

Hope This Helps You!
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Select the correct answer.
Sati [7]

The given quadratic equation gives the parameters of the shape of the

graph of the equation.

  • The graph that is most likely associated with the model is; <u>graph B</u>

Reasons:

The given function is <u>n(t) = -2.82·t² + 25.74·t + 60.87</u>

by analyzing the above function, we have;

At t = 0

n(0) = -2.82 × 0² + 25.74 × 0 + 60.87 = 60.87

  • The x-coordinate of the maximum point is given by \displaystyle x = -\frac{b}{2 \cdot a}

Which gives;

\displaystyle t = -\frac{25.74}{2 \times (-2.82)} \approx 4.564

The maximum value of the function is therefore;

n(4.564) = -2.82 × 4.564² + 25.74 × 4.564 + 60.87 ≈ 119.61

The characteristics of the equation are;

Initial value of equation = 60.87

t-coordinate of the maximum point, t ≈ 4.564

Maximum value of the of the function = 119.61

By comparing with the given graphs, we have;

  • \begin{tabular}{c|c|c|}&Graph A&Graph B\\Initial value&100&75\\t-value at max point&7&4\\Maximum value&200&125\end{array}\right]

Therefore, the graph that will most likely be associated with the model is; <u>graph </u><u><em>B</em></u>.

Learn more about graphs of quadratic equations here:

brainly.com/question/10989920

4 0
3 years ago
It would take Jack $4$ hours to mow the lawn if he works alone. Fortunately, after he mows for $2$ hours, Jill joins him. They f
iragen [17]

Answer:

12 hours

Step-by-step explanation:

In 1 hour jack mows 1/4 of the lawn

Together they mow half a lawn in 1.5 hours

Which is a whole lawn in 3 hours

in one hour together they mow 1/3 of the lawn

It takes Jill x hours to mow the lawn

in one hour Jill mows 1/x of the lawn

Working together in one hour

jack + jill = together

1/4 + 1/x = 1/3

1/x = 1/3 - 1/4

1/x = 4/12 - 3/12

1/x = 1/12

Cross multiply

12 = x

It takes Jill 12 hours to mow the lawn

7 0
3 years ago
Based on her recipe, Elena knows that 5 servings of granola have 1,750 calories.
klemol [59]

Answer:

1,750 ÷5= 350

Step-by-step explanation:

there are 350 calories in each serving 1,750 is the total

4 0
3 years ago
Read 2 more answers
I forgot to do slopes
Minchanka [31]
To find the slope of the line, use the rise over run formula:

\frac{y_{2} - y_{1}}{x_{2} - x_{1}}

Take any two points from the line and plug them into the formula.

(0,0) and (10, 5)

\frac{5 - 0}{10 - 0} = \frac{5}{10} = 0.5

The slope of the line is 0.5.

Using the form y = mx, the following equation will be your answer:

y = 0.5x
7 0
3 years ago
Help me please I don’t know
kondaur [170]

Answer:

5s+4=P

Step-by-step explanation:


6 0
3 years ago
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