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Studentka2010 [4]
3 years ago
14

What is a-85=14 in math

Mathematics
2 answers:
Lynna [10]3 years ago
5 0

Answer:

a = 99

Step-by-step explanation:

a - 85 = 14

+85      +85

a - 85 + 85 = a

14 + 85 = 99

a = 99

ArbitrLikvidat [17]3 years ago
5 0

Answer:

a=99

Step-by-step explanation:

Lets make a the unknown.

If we subtract 14 to both sides

a-85-14=14-14

a-99=0

add 99 to both sides

a-99+99=0+99

a=99

A must equal 99

Check:

99-84=14

14=14

:)

Hope this helps!

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Two exterior angles of a triangle equal 100° and 150°. Find all the interior angles.
Papessa [141]

Answer:

The interior angles are  80°, 30° and 70°.

Step-by-step explanation:

The sum of interior angle of a triangle is 180°. Two exterior angle of the triangle is given as 100° and 150°.  The exterior angle of a triangle is equal to the sum of the opposite interior angle. The exterior angle is the angle between one side of a triangle .

Since angle on a straight line = 180°

Two interior angles can be calculated as follows

180 - 100 = 80°

180 - 150 = 30°

2 interior angles are known.

Note the sum of interior angle of a triangle is 180°

since 2 interior angle are known the third angle can be calculated as follows

180 - 80 - 30 = 70°

The interior angles are  80°, 30° and 70°.

3 0
4 years ago
Does anyone know this?
leonid [27]

Answer:

x and z is 16, y is 24

Step-by-step explanation:

divide the bigger measures by 2

5 0
3 years ago
Read 2 more answers
Question 14
sergey [27]

Answer:

15

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
If point A is located at (-9, 2) on a coordinate plane, and point B is located at (-9, 10), what is the distance between the two
JulsSmile [24]
ANSWER

8 units.

EXPLANATION

The first point, A is located at (-9,2) on the coordinate plane.

The second point, B is also located at (-9,10) on the coordinate plane.

You should be smart and observe that the x-coordinates of both points are the same. This means that, the two points lies on a vertical line.

Hence it will be faster to use the absolute value method rather than the distance formula.

According to this method, you only have to find the absolute value of the difference in the y-values.

|AB|=|10-2|

|AB|= |8| = 8units
6 0
4 years ago
A three-dimensional model of lucia’s apartment is shown. to cool the whole apartment, an air conditioner must provide 2.5 btus p
SashulF [63]

The number of btus which are needed to cool Lucia’s apartment shown in the three-dimensional model are 20,400 btus.

<h3>What is of volume of rectangular prism?</h3>

Volume of rectangular prism is the amount of quantity, which is obtained in it in the 3 dimensional space.

Volume of a rectangular prism is the product of its width, height and length.

V=w\times h\times l

Here, (w) is the width of the base (l) is the length and (h) is the height of the rectangular prism.

A three-dimensional model of Lucia’s apartment is shown. The image is attached below for the apartment. The three section are there in the apartment. The volume of this apartment is,

V=[(20\times12)+(20-9)\times16+(20\times20)]\times10\\V=8160\rm\; ft^3

To cool the whole apartment, an air conditioner must provide 2.5 btus per cubic foot. To cool, the 8160 cubic foot apartment the btus needed are,

n=8160\times2.5\\n=20400\rm\; btus

Hence, the number of btus which are needed to cool Lucia’s apartment shown in the three-dimensional model are 20,400 btus.



Learn more about the volume of a rectangular prism here;

brainly.com/question/4016105

5 0
3 years ago
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