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2 years ago

If I have 10 apples and I eat 5 how many do I have

Mathematics

2 answers:

givi [52]2 years ago

7 0

Answer:

10-5=5 the answer is 5

Galina-37 [17]2 years ago

7 0

Answer: 5 apples

Step-by-step explanation:

If you have 10 apples then you eat 5 you would have to do 10 - 5 and 10 - 5 equals 5

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340,250 rounded to the nearest thousand?

kondor19780726 [428]

Answer:

340,000

Step-by-step explanation:

6 0

2 years ago

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Flying to Kimpala with a tail wind a plane averaged 158km/hr. On the return trip the plane only average 112km/hr. While flying b

lora16 [44]

The speed of wind and speed of plane in still air are 23 and 135 km/h respectively.

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

Let the speed of wind and speed of plane in still air are w and p km/h respectively.

The effective speed on onward journey was

$p+w=158$ ................(1)

The effective speed on return journey was

$p-w=112$ ..............(2)

Adding equation (1) and equation (2) we get,

⇒ $(p+w)+(p-w) = 158+112$

⇒ $2p = 270$

⇒ $p = 135$

Putting value of $p = 135$ in $p+w=158$ we get:

⇒ $p+w=158$

⇒ $135+w=158$

⇒ $w=23$

Therefore ,The speed of wind and speed of plane in still air are 23 and 135 km/h respectively.

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2 years ago

What is the equation of the line in standard form of the graph below?

Mashcka [7]

Answer:

Step-by-step explanation:

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1 year ago

Problem 5. A skating rink in the shape shown has an area of

nexus9112 [7]

Answer:

$P=\dfrac{\pi r^2+2800}{r} $ ft$

Step-by-step explanation:

Let the length of the rectangular part =l

The width will be equal to the diameter of the semicircles.

Area of the Skating Rink= $2(\frac{\pi r^2}{2})+(lX2r)$

Therefore:

$\pi r^2+2lr=2800\\2lr=2800-\pi r^2\\$Divide both sides by 2r\\l=\dfrac{2800-\pi r^2}{2r}$

Perimeter of the Shape =Perimeter of two Semicircles + 2l

$=2\pi r+2\left(\dfrac{2800-\pi r^2}{2r}\right)\\=2\pi r+\dfrac{2800-\pi r^2}{r}\\=\dfrac{2\pi r^2+2800-\pi r^2}{r}\\=\dfrac{\pi r^2+2800}{r}$

The perimeter of the rink is given as:

$P=\dfrac{\pi r^2+2800}{r} $ ft$

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2 years ago

How can you decide which variable to solve for first when you are solving a linear system by substitution

Helen [10]

There are many factors, it is all a matter of preference, normally, you want to try to solve for the easiest one to get to
example

if y ou had

(x-3)^2+y=9
you would solve for y becuase it is less tricky

it is all a matter of preference

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2 years ago