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Vilka [71]
3 years ago
11

What is 1 and 5/6 + 4 and 3/6 ​

Mathematics
1 answer:
Simora [160]3 years ago
3 0
The answer is 6 1/3 because 1+4= 5 and 3/6 + 5/6 is 8/6 which simplify a to 1 and 1/3 and 5+ 1 1/3= 6 1/3
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Solve x2 – 10x + 25 = 35 for x.
Galina-37 [17]

x^2-10x+25=35\\\\x^2-2\cdot5\cdot x + 5^2=35\ \ \ |\text{use:}\ (a-b)^2=a^2-2ab+b^2\\\\(x-5)^2=35\to x-5=\pm\sqrt{35}\ \ \ |+5\\\\\boxed{x=5-\sqrt{35}\ \vee\ x=5+\sqrt{35}}


\text{other method}\\\\x^2-10x+25=35\\\\x^2-5x-5x+25=35\\\\x(x-5)-5(x-5)=35\\\\(x-5)(x-5)=35\\\\(x-5)^2=35\\.....

3 0
3 years ago
What is the value of x when 2x+3=3x-4
slavikrds [6]
2x+3=3x-4
try to isolate the x term
you must do the same thing to both sides or else it won't be equal anymore

2x+3=3x-4
add 4 to both sides
2x+3+4=3x+4-4
2x+7=3x+0
subtract 2x from both sides
2x-2x+7=3x-2x
0+7=x
7=x

the answer is x=7
6 0
3 years ago
Read 2 more answers
Researches notice a grey whale cruising at a depth of 233 feet below sea level. It rises 73 feet and then comes up another 40 fe
musickatia [10]

Answer:

The whale is at a depth 120 feet below the sea level.

Step-by-step explanation:

A grey whale is cruising at a depth of 233 feet below sea level. The depth below the sea level has the negative position, thus the initial position of the whale is -233.

It rises 73 feet, the position of the whale becomes 73 feet higher. This means we should add 73.

Then it comes up another 40 feet, so we need to add 40.

Mathematically,

-233+73+40=-160+40=-120

The whale is at a depth 120 feet below the sea level.

3 0
3 years ago
An article is bought and sold with a profit of 25% of selling price.find the profit percent​
Viefleur [7K]

Answer:33 1/3%

Step-by-step explanation:

7 0
2 years ago
a cylinder has a radius of 15 ft and a height of 25 ft. what is the exact surface area of the cylinder
kap26 [50]

Answer:

1200 ft²

Step-by-step explanation:

We assume that we want the total surface area, which includes the curving sides and the flat ends.

1.  Curving sides:  We are actually finding the area of a flat piece of material whose length is C = 2πr and whose width is the height of the cylinder, h.  Then this side area is A = 2πrh.  Here, that area is

A = 2π(15 ft)(25 ft) = 750π ft²

2.  Ends:  The end area is A = πr², and there are two ends.

The total area of the ends is A = 2πr², which here is A = 2π(15 ft)², or

A = 450π ft².

Thus, the total exact surface area of this cylinder is

A = 450π ft² + 750π ft² = 1200 ft²

8 0
3 years ago
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