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Zarrin [17]
3 years ago
8

Hermione buys 9/10 of a pound of plums. The plums cost $1.30 per pound. How much does Hermione spend on plums? $0.90 $1.17 $1.30

$11.70
Mathematics
2 answers:
ANEK [815]3 years ago
4 0

Answer:

$1.17

Step-by-step explanation:

To find the amount of money she spends on plums, take the cost of plums times the fractional number of pounds

1.30 *9/10

11.7/10

1.17

qwelly [4]3 years ago
3 0
<h3>Answer:</h3>

\large\boxed{\$1.17}

<h3>Step-by-step explanation:</h3>

In this question, we're trying to find how much Hermione spent on plums.

We know that:

  • Hermione bought 9/10 of a pound of plums
  • Plums cost $1.30 <em>per pound</em>

With the information above, we can solve the question.

Since we know that plums cost $1.30 per pound and Hermione bought 9/10 of a pound, we would multiply 1.30 by 0.90 in order to get the price Hermione bought the plums for. Hermione is pretty much paying 90% of the cost of a pound.

1.30*0.90=1.17

When you multiply, you should get 1.17

This means that Hermione spent $1.17 on 9/10 pound of plums.

<h3>I hope this helped you out.</h3><h3>Good luck on your academics.</h3><h3>Have a fantastic day!</h3>
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Strike441 [17]

Answer:

Option B

Step-by-step explanation:

<u>Step 1:  Determine the range and domain</u>

Range is asking for what y values are being used.  We can see that the vertex of the parabola is at y = 4 so we know that anything equal or above 4 would be included in the range.

Domain is asking for what x values are being used.  We can see that the parabola is pointing in both the negative and positive x direction which means that it will go to infinity on both sides.  This gives us the answer that the domain is all real numbers.

Looking at the given options, options C and D are automatically removed because the range is incorrect.  Next looking at the domain we see that option A is incorrect which leaves us with option B.

Answer: Option B

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2 years ago
PLZZZ HELP
Nadya [2.5K]

Answer:

The average rate of change of h(x) in the given interval is 7.

Step-by-step explanation:

When we want to find the average rate of change of a function f(x), in an interval a < x < b, we just need to calculate:

r = \frac{f(b) - f(a)}{b - a}

Here we have:

h(x) = 2*x^2 - 7*x

And we want to find the average rate of change between x = 2 and x = 5

This will be:

r = \frac{h(5) - h(2)}{5 - 2} = \frac{(2*5^2 - 7*5) - ( 2*2^2 - 7*2)}{3}  = \frac{15 - (-6)}{3}  = \frac{21}{3}  = 7

The average rate of change of h(x) in the given interval is 7.

4 0
3 years ago
4x+3y=12
77julia77 [94]

Answer:

B, C, F

Step-by-step explanation:

Given:

\left\{\begin{array}{l}4x+3y=12\\ \\2x+3y=-6\end{array}\right.

Subtract the second equation from the first equation:

(4x+3y)-(2x+3y)=12-(-6)\\ \\4x+3y-2x-3y=12+6\\ \\2x=18\\ \\x=9

Option B "The x coordinate of the solution is 9" is ture

Substitute it into the first equation:

4\cdot 9+3y=12\\ \\36+3y=12\\ \\3y=12-36\\ \\3y=-24\\ \\y=-8

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Point (9,-8) is in the IV quadrant, so option C is true.

8 0
3 years ago
The temperature, t, in degrees celsius, in a warehouse changes according to the function t(h) = 18 + 4sin(pi/12 (x = 8)).
egoroff_w [7]

The rate at which the temperature is changing at 9 a.m. is 19.03 degrees Celsius per hour

<h3>How to determine the rate at 9a.m?</h3>

The function is given as:

t(h) = 18 + 4\sin(\pi/12(x - 8))

9a.m is 9 hours since midnight.

This means that

x = 9

So, we have:

t(h) = 18 + 4\sin(\pi/12(9 - 8))

Evaluate

t(h) = 18 + 4\sin(0.262)

Evaluate the expression

t(h) = 19.03

Hence, the rate at which the temperature is changing at 9 a.m. is 19.03 degrees Celsius per hour

Read more about rates at:

brainly.com/question/25545513

#SPJ1

5 0
2 years ago
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It’s none of these.
It’s 5
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