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Ivanshal [37]
3 years ago
11

I will mark Brainliest What is the value of X one number is 78 https://static.k12.com/nextgen_media/assets/8124481-NG_IMB_SemB_S

T_Pt1_DP157_261_005_01.png
Mathematics
2 answers:
tatiyna3 years ago
5 0
You have two crossed lines. They form a total of 4 angles. The x and 78 are straight across from each other. When that happens, the two angles are labeled as vertically opposite angles. 

Vertically opposite angles are always equal

x = 78 <<<<<<<< answer
soldier1979 [14.2K]3 years ago
3 0
The right answer should be 78
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The sum of three numbers is 2. the first number minus the second plus the third is negative 2−2. the first minus the third is 22
iogann1982 [59]

x is the 1st number, y is the 2nd number, z is the 3d number.

x+y+z = 2

x - y + z= -2

x - z = y +22 -----> x-y-z=22


x+y+z = 2

<u>x - y + z= -2</u>

2x + 2z =0

x + z = 0

x = -z


x - y + z= -2 and x = -z

-z - y + z = -2, y =2


x-y-z=22 and x = -z, and y = 2 -----> x -2 +x = 22 --->2x = 24 ----> x = 12

x= -z -----> z = - 12


7 0
3 years ago
Find the value of x round to the nearest tenth
zzz [600]

Answer:

  4.1 cm

Step-by-step explanation:

The segment marked x bisects the chord, so the triangle shown has legs x and 7.8, and hypotenuse 8.8.

The Pythagorean theorem can be used to find x:

  8.8² = x² +7.8²

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7 0
3 years ago
Choose the correct answer.
guapka [62]
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5 0
2 years ago
What is made up of quantities and the operations performed on them?
Rainbow [258]
Your answer is a equation!
6 0
3 years ago
PLEASE HELPPPPPP!!!!! You are performing an experiment to determine how well plants grow under different light sources. Of the 3
PIT_PIT [208]

The probability that a plant in the experiment receives visible or ultraviolet light is 7/10.

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

The total number of plants in the experiment = 30 plants

Plants that receive visible light alone = 12 plants

Plants that receive ultraviolet light alone = 15 plants

Plants that receive both visible and ultraviolet light = 6 plants

<u>step 1</u> :

<em>Probability = No. of required events / Total number</em>

<u>step 2</u> :

P(visible) = 12 / 30

P(ultraviolet) = 15 / 30

P(both) = 6 / 30

<u>step 3</u> :

P(visible  or ultraviolet) = P(visible)  + P(ultraviolet) - P(both)

                                         = 12/30 + 15/30 - 6/30

                                         = 21/30

P(visible  or ultraviolet) = 7/10

8 0
3 years ago
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