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yawa3891 [41]
3 years ago
11

The solution to the equation x + 11 = 18 is x = 7. True False

Mathematics
2 answers:
LenaWriter [7]3 years ago
7 0

Answer: True

Step-by-step explanation:

(7) + 11 = 18

18 = 18

Usimov [2.4K]3 years ago
5 0

Answer:

True

Step-by-step explanation:

X+11=18

subtract 11 from both sides

18-11=7

x=7

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Is a triangle with the sides of 10cm, 41 cm and 42cm right angled
allsm [11]
You can check using the Pythagorean Theorem: a^2+b^2=c^
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b=41
c=42 (because it is longest)

10^2+41^2=42^2
100+1681=1764
1781=1764

Since they are not equal, this is not a right triangle

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7 0
4 years ago
F(x) = 2x+6, g(x) = 3² findf(g (-3))​
Yanka [14]

Answer:

➩ f(g(-3)) = 24

Step-by-step explanation:

➨ Rearrange/Simplify the equations

F(x)=2x+6\\g(x)=9

➨ Find f(g(-3))

g(-3)=9 ➩ All x-values have same y-values ➩ Constant Function

Substitute g(-3) = 9 in the f(x)

f(g(-3)) = f(9)\\f(9)=2(9)+6\\f(9)=18+6\\f(9)=24\\f(g(-3)) = 24

Thus, the answer ➩ f(g(-3)) = 24

5 0
3 years ago
Read 2 more answers
If x = 3, what is the value of 2x + 7?<br> Ο<br> Ο 10<br> Ο<br> Ο<br> Ο
Sergeu [11.5K]

x = 3

2x + 7 =....

2 (3) + 7 = 6 + 7 = 13

this is my answer how about my answer ?

4 0
4 years ago
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Find the new value when 192 is decreased by 31%
lesya [120]

Answer:

132.48

On your calculator do 0.69x192, as that removes 0.31 of 192, or 31%.

7 0
3 years ago
Can someone plz help me i am confused :)
Vinil7 [7]

Answer:

980 cm

Step-by-step explanation:

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3 years ago
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