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insens350 [35]
3 years ago
12

What is y + 2/5 y equivalent to

Mathematics
1 answer:
Lerok [7]3 years ago
8 0
7/5y. you add the 2/5y to the 5/5y and get 7/5y
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The radius of the large sphere is double the radius of the small sphere.
kkurt [141]

Step-by-step explanation:

the answer is in the image above

4 0
3 years ago
The diagram shows a scale drawing of a playground the scale of the drawing is 1:500 work out the perimeter of the real playgroun
liraira [26]

Answer:

Check Explanation

Step-by-step explanation:

The complete question plus diagram is presented in the attached image to this solution.

From the attached image, the dimensions of the playground drawn will be a bit variable now as zooming and some editing might have tampered with the original intended dimensions to be measured.

But still, let us assume that on measuring the rectangular playground shown, we obtain approximately that the length is 4.5 cm and the breadth is 2 cm.

The scale to convert to real life is 1;500 indicating that

1 cm on the drawing = 500 cm lenght units of the real playground.

So,

4.5 cm on the drawing = 4.5 × 500 = 2250 cm of the playground

2 cm on the drawing = 2 × 500 = 1000 cm of the playground.

Hence, the real life dimensions of the playground is 2250 cm by 1000 cm.

In meters, that is 2.25 m by 1 m

The perimeter of a rectangular figure is given as

Perimeter = 2(Length + Breadth)

= 2(2.25 + 1)

= 6.5 m

Hope this Helps!!!

5 0
3 years ago
Please help will mark brainliest for the right answer
hodyreva [135]

Answer:

a).  x + y + 90° = 180°

b).  x = 67°

    y = 23°

Step-by-step explanation:

The sum of all angles in a triangle is 180°.

One of the angles in the figure is a right angle, or 90°.  Therefore the sum of the three angles in the figure is:

x + y + 90 = 180

We are also told that x + 2 = 3y.  

Rearranging that to isolate x gives us:  

x = 3y - 2

Thake the first equation and substitute the above expression of in place of x:

x + y + 90° = 180°

(3y-2) + y + 90° = 180°

4y + 88° = 180°

4 y = 92°

y = 23°

To find angle x, use y = 23°

x = 3y - 2

x = 3*(23°) - 2

x = 67°

The sum 90° + 67° + 23° = 180°

4 0
3 years ago
You want to match your school's long jump record of 17 feet 8 1/4 inches. Your best long jump so far is 15 feet 11 3/4 inches. H
Zanzabum

Answer:

1 foot and 8.5 inches

Step-by-step explanation:

record: 17ft 8.25 in

yours: 15ft  11.75in +.5 in = 16 ft .25 in

now that yours is 16 ft and .25 inches all you have to add is 1ft and 8 inches which adds up to be 1ft and 8.50 inch

5 0
3 years ago
You fly a helicopter for 20 minutes that goes at a speed of 240 km per hour. How far did you go?
Stells [14]

Answer:

4800 km

Step-by-step explanation:

240*20=4800

4 0
3 years ago
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