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2 years ago

What number do you need to add to -11 to get to0?

Mathematics

2 answers:

polet [3.4K]2 years ago

5 0

You need to add 11 to get -11 to 0

german2 years ago

4 0

Add 10 and you will get zero
-11 + 11 = 0

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You are told to you will have to wait 5 hours in a line with a group of other people. Determine it. 1.You know the number of min

gulaghasi [49]

Answer:

$for\ five\ hours = 300\ min$

Step-by-step explanation:

Given:

Waiting time = 5 hours.

We need to find the number of minutes for 5 hours.

Solution:

We know that 60 minutes for each hour, so one hour is equal to 60 minutes.

For one hour = $60\ minutes$

For five hours = $5\times 60$

$for\ five\ hours = 300\ min$

Therefore, you will have to wait 300 minutes in a line.

3 0

2 years ago

Is 15 ft, 36 ft, 39 ft a right triangle?

Nina [5.8K]

Use the pythagoream theorem to check. a^2+b^2=c^2

a=15 b=36 c= 39

225+1296=1521

The equation is true so it is a right triangle.

7 0

2 years ago

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From Midnight to 6 am the temperature rose 8 degrees C. At 6 am the temperature was -21 degrees C. What was the temperature at m

Alika [10]

Hello!

We know that from midnight to 6am the temperature went up 8° and at 6am it was -21°

To find what it was at midnight we have to work backwards

Since it went up we have to subtract 8 from -21

-21 - 8 = -29

The answer is -29°C

Hope this helps!

7 0

2 years ago

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Given the parabola below, find the endpoints of the latus rectum. (x-2)^2=-20(y+2)

Shtirlitz [24]

Answer:

The endpoints of the latus rectum are $(12, -7)$ and $(-8, -7)$ .

Step-by-step explanation:

A parabola with vertex at point $C(x, y) = (h,k)$ and whose axis of symmetry is parallel to the y-axis is defined by the following formula:

$(x-h)^{2} = 4\cdot p \cdot (y-k)$ (1)

Where:

$y$ - Independent variable.

$x$ - Dependent variable.

$p$ - Distance from vertex to the focus.

$h$ , $k$ - Coordinates of the vertex.

The coordinates of the focus are represented by:

$F(x,y) = (h, k+p)$ (2)

The <em>latus rectum</em> is a line segment parallel to the x-axis which contains the focus. If we know that $h = 2$ , $k = -2$ and $p = -5$ , then the latus rectum is between the following endpoints: