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defon
3 years ago
12

This table shows information from a survey about the type of coffee people prefer and whether they like it hot or cold.

Mathematics
1 answer:
vodka [1.7K]3 years ago
4 0
I guess that it shows how many people liked warm coffee to cold coffee hope i helped...?
 
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A ladder leans against a building that angle of elevation of the latter is 70° the top of the ladder is 25 feet from the ground.
VashaNatasha [74]

Answer:

a. 20.5

Step-by-step explanation:

because this will form a right triangle we can use tan (opposite over adjacent) so an equation we could set up would be tan(70)=25/x

therefore we can just solve the equation which would give us 20.45. so if we round it the answer would be a

3 0
3 years ago
Read 2 more answers
There are three kids. The sum of individual squares of their body weights (2 + 2 + 2) is 100. The sum of the product of their we
Mashcka [7]

Answer:

20

Step-by-step explanation:

Givens

Let child one = x

Let child two = y

Let child three = z

Equations

x^2 + y^2 + z^2 = 100

xy + xz + yz = 150

Solution

There's a trick here. The square of their weights added together is equal (with some modification) to the given conditions. Start by squaring (x+y+z).

(x + y + z)^2 = x^2 + y^2 + z^2 + 2xy + 2xz + 2yz

Take out 2 as a common factor from the last three terms.

(x + y + z)^2 = (x^2 + y^2 + z^2+ 2(xy + xz + yz) )

Substitute the given conditions into the equation. (x^2 + y^2 + z^2) = 100 and 2*(xy + xz + yz) = 2 * 150

(x + y + z)^2 = 100 + 2*150

(x + y + z)^2 = 100 + 300

(x + y + z)^2 = 400

Take the square root of both sides.

sqrt(x+y+z)^2 = sqrt(400)

x + y + z = 20

Note

This answer tells you nothing about the values of x y and z. On the other hand it does not ask for the values of x y and z.

4 0
3 years ago
Use Order Of Operations to solve 12/3x[15-6]+3
jarptica [38.1K]
12/3x(11) that is the simplest form you can get it to
                 
6 0
3 years ago
Read 2 more answers
Determine the number of solutions of this equation.
notka56 [123]
C.) infinitely many solutions.

Given the equation, x - 2(x -6) = -x + 12:

x - 2(x -6) = -x + 12

Distribute -2 into the terms inside the parenthesis:

x - 2(x -6) = -x + 12

x - 2x + 12 = -x + 12

Combine like terms:

-x + 12 = - x + 12

Subtract 12 from both sides:

-x + 12 - 12 = - x + 12 - 12

- x = - x

Add x to both sides:

- x + x = - x + x

0 = 0 (true statement).

This means that any value of x will satisfy the equation, thereby making it infinitely many solutions.

3 0
3 years ago
Read 2 more answers
Identify the coordinates of the point (3,-2), translated 5 units left and 6
kap26 [50]

Answer:

(- 2, 4 )

Step-by-step explanation:

A translation of 5 units left means subtract 5 from the original x- coordinate.

A translation of 6 units up means add 6 to the original y- coordinate.

Thus

(3, - 2 ) → (3- 5, - 2 + 6 ) → (- 2, 4 )

3 0
4 years ago
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