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vichka [17]
3 years ago
10

Please Help I'll mark brainliest

Mathematics
2 answers:
maks197457 [2]3 years ago
8 0

Answer:

43

Step-by-step explanation:

not a perfect square

professor190 [17]3 years ago
7 0

Answer: 9

Step-by-step explanation: 9 doesn't belong, because if you add up the digits in all of the other numbers, they give you 7. 9 is the only number that doesn't give you 7. I say 16 is the number that doesn't belong because 9, 25, and 43 are all odd numbers and 16 is even.

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Two rectangles are the same one has a length of 11 cm and a width of 10 cm and the other has a width of 7 cm find the length of
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Answer:

D) 7.7 cm

Step-by-step explanation:

L/W=11cm/10cm=x/7cm

cross multiply to find x

10x=77

divide 10 by both sides

x=7.7

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4 years ago
Determine if the following relations are functions. If they are functions, also state the domain and range.
lapo4ka [179]

Answer:

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3 years ago
Use the quadratic formula to solve 3x2 + 5x + 2 = 0. A. 5+ √ 17/2 B. x = –2/3, –1 C. x = 2, –3 D. -5 + √ 19 / 6
Musya8 [376]
The quadratic formula is shown below:
 
 x = (-b±√(b^2-4ac))/2a

 You have the equation 3x^2+5x+2 = 0; so "a", "b" and "c" are:

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 b = 5
 c = 2

 When you substitute a=3, b=5 and c=2 in the Quadratic Formula, you get two roots:

 x = (-5±√1)/6

 x1 = (-5+1)/6 = -2/3
 x2 = (-5-1)/6 = -1

 The correct answer is "B":
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3 0
3 years ago
The coordinates on a map for City A are (55, 11) and those for City B are (116, 65). Note that coordinates represent miles. Find
sergij07 [2.7K]

Answer:

The distance between the cities is 81 miles

Step-by-step explanation:

* Lets explain how to find a distance between two points

- The distance between the two pints (x_{1},y_{1}) and

  (x_{2},y_{2}) is

  d=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}

* Lets solve the problem

∵ City A located at point (55 , 11)

∵ City B located at point (116 , 65)

- Let point (x_{1},y_{1}) = (55 , 11) and point

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∴ x_{1}=55 and x_{2}=116

∴ y_{1}=11 and y_{2}=65

- By using the rule above

∴ d=\sqrt{(116-55)^{2}+(65-11)^{2}}=\sqrt{(61)^{2}+(54)^{2}}=81.47

∴ The distance between the cities is 81 miles

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3 years ago
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