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Bess [88]
3 years ago
10

If 3x – 10 = 17, what is the value of 6x + 20 ?

Mathematics
2 answers:
galina1969 [7]3 years ago
8 0
74 because 3x equal 17+10. so x equals 9 and plug it in to the equation got 74
IceJOKER [234]3 years ago
3 0
3x-10=17\ \ \ \ /+10\\\\3x-10+10=17+10\\\\3x=27\ \ \ \ /:3\\\\3x:3=27:3\\\\x=9\\\\\\\\6x+20=6\cdot9+20=54+20=74



3x-10=17\ \ \ /\cdot2\\\\2\cdot3x-2\cdot10=2\cdot17\\\\6x-20=34\ \ \ \ /+40\\\\6x-20+40=34+40\\\\6x+20=74
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This is asking “identity whether each of the following is a linear function” please ignore the quality tho. The question numbers
Svetlanka [38]

Answer:

4. Yes 5.No 6. No

Step-by-step explanation:

To be short,a linear equation has a coefficient of only 1 degree.

If the degree is over 1 it isn't a linear equation.

4 is the linear equation since it x value 7x has a degree of 1.

5 isn't becuase it's x value has a degree of 5

6 isn't becuase it degree is 4.

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2 years ago
What is the area of the figure below?<br><br><br> 40 mm2<br> 80 mm2<br> 88 mm2<br> 96 mm2
Anvisha [2.4K]
The answer for this question is 88mm2
6 0
2 years ago
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SashulF [63]

Answer:

Use inverse cos to solve for x.

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3 0
2 years ago
Solve in simplest form<br><br> 15 3/5 - 3 2/7
artcher [175]

Answer:

12 11/35

Step-by-step explanation:

Given Data

First term= 15 3/5

To simple fracrion= 78/5

Second term= 3 2/7

To simple fracrion= 23/7

Hence the operation goes thus

= 78/5- 23/7

LCM = 35

=546-115/35

=431/35

=12 11/35

6 0
3 years ago
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nika2105 [10]

Answer: 4

36.87 degrees

Step-by-step explanation:

The figure shown is a right angled triangle. It has three sides, one of which is the longest. The longest side is called the hypotenuse. Either of the shorter sides is called the opposite and the adjacent side(always the side carrying both the 90 degrees angle and the given angle).

Since the triangle is a right angled triangle,

We can apply Pythagoras theorem to get the opposite side.

Hypothenuse ^2 = opposite ^2 + adjacent ^2

5^2 = 4 ^2 + opposite ^2

opposite = √ 25 - 16

opposite = √9 = 3

Let the angle be # degrees,

Cos # = adjacent / hypothenuse

= 4/5 = 0.8

# = cos^-1 (0.8) = 36.87 degrees

7 0
3 years ago
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