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Crank
2 years ago
8

Write an expression that represents the sum of a number x and 11​

Mathematics
1 answer:
Helen [10]2 years ago
3 0

Answer:

x+11

Step-by-step explanation:

here is the equation

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A 15-foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 14 feet
Finger [1]

Answer:

Step-by-step explanation:

Well certainly friction alone will not hold it there.

c² = a² + b²

15² = 14² + b²

15² - 14² = b²

b² = 29

b = √29 = 5.385164... = 5.39 ft

6 0
2 years ago
Given y= 2x squared - 10x find all the real values of x for which y = -3
Thepotemich [5.8K]
y=2 x^{2} -10x \\ -3=2 x^{2} -10x \\ 2 x^{2} -10x+3=0 \\ x=\frac{-b \pm \sqrt{ b^{2} -4ac} }{2a}, \ where \ a=2, \ b=-10, \ c=3
Therefore,
x=\frac{-(-10) \pm \sqrt{ (-10)^{2} -(4 \times 2 \times 3)} }{2 
\times 2} \\ =\frac{10 \pm \sqrt{ 100 -24} }{4} \\ =\frac{10 \pm \sqrt{ 
76} }{4} \\= \frac{10 + \sqrt{ 76} }{4}  \ or \ \frac{10 - \sqrt{ 76} 
}{4}  \\ =4.679 \ or \ 0.3206


8 0
3 years ago
PLEASE HELP. What are some facts about the number 99 that would make you like it as your favorite number? Thank you in advance.
GalinKa [24]
1: That if you divide it by 3 you can get 33.
2. It's one away from 100. 
3. Some factors are 1, 3, 9, and 11.
5 0
2 years ago
What ratio is equivalent to 9 6
elena-s [515]
3:2

the greatest common factor amongst 9 and 6 is 3
6 0
2 years ago
)) Matt's bill for breakfast at a restaurant was $91. He left an 18% tip. What was the total
gladu [14]

Answer:

$107.38

Step-by-step explanation:

$91 (the price) multiplied by the percentage 18% (91 x 18 = 1630) (1638/100=16.38 [the tip})

$91 (th original price) + 15.38 (the tip) = $108.38 (final price)

4 0
3 years ago
Read 2 more answers
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