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PSYCHO15rus [73]
2 years ago
5

True or false A rhombus is an isosceles trapezoid

Mathematics
2 answers:
Elina [12.6K]2 years ago
7 0

Answer:

false

Step-by-step explanation:

Butoxors [25]2 years ago
3 0

Answer:

  • False

Step-by-step explanation:

A rhombus is an isosceles trapezoid.

  • False. Isosceles trapezoid has only one pair of congruent sides. Rhombus has 4 congruent sides.
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At RSM summer camp 100 students had enough food for a 30-days stay. After 2 days 40 new students joined the camp. After that 2 w
omeli [17]

Answer:

"no additional days of food need to be ordered."

Step-by-step explanation:

Suppose initial quantity of food is x units

Assuming each student eats 1 unit of food per day,

x = 30 * 100 = 3000 units of food

In 2 days, food eaten:

100 * 1 * 2 = 200 units

So food left after 2 days is  3000 - 200 = 2800 units

Now, there are 140 students. They stay 2 weeks (14 days) - 2 = 12 more days

So food eaten in 12 days:

140 * 1 * 12 = 1680 units

<u>THus, after total 14 days gone, the amount of food left is:</u>

2800 - 1680 = 1120 units

Half students left, so there are 70 students left for the last 16 days. How much food would they need?

70 * 1 * 16 = 1120 units

And there are exactly 1120 units left. So, no additional days of food need to be ordered.

6 0
3 years ago
3/4k + 3/8k = 1/2<br> solve for k please
vlabodo [156]

Answer:

K = 4/9

Step-by-step explanation:

4 0
3 years ago
The temperature of a liquid in an experiment starts at 0 degrees. The temperature of the liquid changes at a rate of -0.2 per mi
Ilia_Sergeevich [38]

Initial temperature of the liquid = 0 degrees.

Rate of changes of liquid temperature = -0.2 per minute.

Rate of change also represents slope of a linear function.

We know, slope-intercept form of a linear equation

y=mx+b, where m is the slope (rate of change) and b is y-intercept(initial temprature).

With respect to given problem, y represents temperature of a liquid after x number of minutes.

According to given problem, slope(rate of change) = -0.2 per minute and y-intercept(initial temprature)=0.

Plugging values of m and b in the above slope-intercept form of a linear equation.We get,

y=-0.2x+0

or y=-0.2x.

Final temprature is given -14.6 degrees and we need to find time when temprature reach -14.6 degrees.

As y represents temperature of a liquid , we need to plug y=-14.6 in above equation.

We get,

-14.6=-0.2x.

Dividing both sides by -0.2.

-14.6/-0.2=-0.2x/-0.2

x=73.

We got 73 minutes.

73 minutes can be convert in hours.

We have 60 minutes in an hour.

Therefore, 73 = 60+13.

So, 1 hour and 13 minutes will it for the liquid to reach -14.6 degrees.

In minutes answer is 73 minutes.

3 0
3 years ago
Please I need help PLEASE​
frutty [35]

Answer:

15/2.5  18/h

Step-by-step explanation:

5 0
3 years ago
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svlad2 [7]

Hi ;-)

8x=y \ \ /:8\\\\\boxed{x=\frac{y}{8}}

6 0
3 years ago
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