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denis-greek [22]
3 years ago
12

50 points!!! Plz help

Mathematics
2 answers:
goldenfox [79]3 years ago
6 0
I think it’s 15km dodos
pantera1 [17]3 years ago
5 0

Answer:

<em>height (h) = 15</em>

Step-by-step explanation:

To figure this out, we use the formula <em>2 · </em>\frac{A}{a + b}, where "A" is the area, "a" is one base measure, and "b" is the other base measure.

After plugging in the numbers into the formula, we get <em>2 · </em>\frac{390}{23 + 29}, which equals 15.

You might be interested in
39.39 inches how many are in 3 meters
Karolina [17]
In 3 meters you have 118.11 inches. 
7 0
3 years ago
Read 2 more answers
The sum of two nonnegative numbers is 50. What is the maximum value of the product of these two numbers ?
Umnica [9.8K]

Answer:

625

Step-by-step explanation:

Let two number be x and (50-x).

The product of numbers be x(50-x).

P = 50x-x²

For maximizing the product,

\dfrac{dP}{dx}=0\\\\\dfrac{d}{dx}(50x-x^2)=0\\\\50-2x=0\\\\50=2x\\\\x=25

So, the maximum product, P = 50(25)-(25)²

P = 625

Hence, the maximum value of the product of these two numbers is 625.

7 0
3 years ago
You pay $14.82 for 1.5 pounds of ham. You buy 2.25 pounds of roast beef for $12.40 per pound. a. How much less does ham cost per
shutvik [7]

Answer:

A.) $2.52 less per pound. B.) $13.08 more

Step-by-step explanation:

A.) You pay $14.82 for 1.5 lbs of ham. You divide $14.82 by 1.5 lbs (14.82/1.5) to figure out how much you spend per pound of ham. You should get $9.88. Since you spend $12.40 per pound of roast beef, you subtract $9.88 from $12.40 ($12.40 - $9.88). You should get $2.52, which is your answer.

B.) Since you paid $14.82 for 1.5 lbs of ham, you already have this variable. Take the 2.25 lbs of roast beef and multiply it by $12.40 per pound (12.40*2.25). You then take that number ($27.90) and subtract it by $14.82 (27.90-14.82) and you should get your answer, $13.08.

5 0
3 years ago
Questions 1-4 I'm very confused on this
Nadusha1986 [10]

Answer:

  • All four are linear
  • Slopes: 2, 1/2, - 2/3, 3/4

Step-by-step explanation:

<h3>Top left</h3>

<u>Rate of change is same for each step:</u>

  • 10 per each 5

<u>Slope is:</u>

  • (25 - 15)/(5 - 0) = 10/5 = 2
<h3>Top right</h3>

<u>Rate of change is same for each step:</u>

  • 1 per each 2

<u>Slope is:</u>

  • (6 - 5)/(3 - 1) = 1/2
<h3>Bottom left</h3>

<u>Rate of change is same for each step:</u>

  • -2 per each 3

<u>Slope is:</u>

  • (30 - 32)/(5 - 2) = -2/3
<h3>Bottom right</h3>

<u>Rate of change is same for each step:</u>

  • 3 per each 4

<u>Slope is:</u>

  • (20 - 17)/(5 - 1) = 3/4
7 0
3 years ago
Selena walks from home to school each morning and back home each afternoon. Altogether, she walks 2/3 mike each day. How far doe
allsm [11]

Answer:

1/3 of a mile

Step-by-step explanation:

If she walks 2/3 of a mile everyday going to and from school. That makes it 1/3 of a mile in the morning and 1/3 of a mile in the afternoon. Which equals you total of 2/3

8 0
3 years ago
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