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sergeinik [125]
3 years ago
11

QUESTION 5 The temperature was -7°C in the morning. The temperature dropped 3°C by sunset. What was the temperature at sunset? +

10°C +4°C -4°C -10°C
Mathematics
1 answer:
Blizzard [7]3 years ago
7 0
-10°C or you can put positive if you want
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Will give brainly .Which statements are true regarding undefinable terms in geometry? Check all that apply.
babymother [125]

The true statements about terms in geometry that are undefinable are;

  • A point has no length or width
  • A point indicates a location on the coordinate plane
  • A line consists of an infinite set of points.
  • A plane consists of an infinite set of points.

<h3>How can the true statements be found?</h3>

Three undefinable terms in geometry are;

1) Point

2) Line

3) Plane

The above terms do not have a formal definition but they can be described based on their properties.

The other geometric terms are defined based on the above undefinable terms.

A point can be described as a location in space that is dimensionless and can be specified on the coordinate plane as an ordered pairs (x, y).

True statements about a point are therefore;

  • A point has no length or width
  • A point indicates a location on the coordinate plane

A line is infinitely long, that has no beginning or end. It has one dimension, with no thickness or height.

Given that a point is dimensionless, a line can be considered a set of points.

A true statement is therefore;

  • A line consists of an infinite set of points.

A plane is a two dimensional geometric figure that have infinite length and width.

An infinite set of lines that forms a two dimensional figure can be used to describe a plane.

The true statement with regards to a plane is therefore;

  • A plane consists of an infinite set of points.

Learn more about undefinable terms in geometry here:

brainly.com/question/1706041

#SPJ1

7 0
2 years ago
What is the reference angle for 192º?​
Aleonysh [2.5K]

Answer:

78º

Step-by-step explanation:

<u>Note</u> : -

In mathematics, the reference angle is defined as the acute angle and it is measuring less than 90 degrees. It is always the smallest angle, and it makes the terminal side of an angle with the

x - axis.

<u>S</u><u>t</u><u>e</u><u>p</u><u> </u><u>1</u> : -

Find where 192º lies in which quadrant.

192º lies in 3rd quadrant ( between

180º and 270º )

<u>S</u><u>t</u><u>e</u><u>p</u><u> </u><u>2</u> : -

Subtract : 270 - 192

270 - 192 = 78º

( Since, 192º is greater than 180º, is subtracted from 270º )

<u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u> : -

78º is the reference angle for 192º.

3 0
2 years ago
What is the slope of the line?
3241004551 [841]

Answer:

-4/5

Step-by-step explanation:

Two points that I see are not decimals are (-3,1) and (2,-3)

y1-y2/x1-x2= slope

-3-1/2-(-3)= -4/5

5 0
3 years ago
Solve <br>10a -7 = 21 - ба​
Pavlova-9 [17]

Answer:

A=1.75

Step-by-step explanation:

10a + 6a = 21 + 7 \\ 16a = 28 \\ divide \: both \: sides \: by \: 16 \\ a = 1.75 \: or 1 \ \frac{3}{4}

3 0
3 years ago
Read 2 more answers
When you ARE NOT given the vertex from a graph, how do you find the k value?
Simora [160]

Answer:

f( -  \frac{b}{2a} )

Step-by-step explanation:

When you not given the vertex form, the you are given the standard form:

f(x) = a {x}^{2}  + bx + c

The value of k, is the y-value of the vertex of the function.

To find the value of k, you plug in

x =  -  \frac{b}{2a}

In order works, you evaluate

f( -  \frac{b}{2a} )

This will give you the k-value

5 0
3 years ago
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