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posledela
3 years ago
8

I WILL MARK BRAINLIEST!!!!!! A direct variation function includes the ordered pair (4, 5). If y varies directly with x, and y is

14 when x is 2, what is the value of x when y is 35?
Mathematics
1 answer:
nignag [31]3 years ago
6 0

Answer: x=5

Step-by-step explanation:

\frac{2}{14} =\frac{x}{35}

\frac{x}{35}=\frac{2}{14}

simplify

\frac{x}{35}=\frac{1}{7}

multiply 35 on both sides

\frac{35x}{35}=\frac{1\cdot \:35}{7}

\frac{1}{7}  \cdot 35=5

x=5

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Help find x out of these 4 questions i can’t find the answer anywheew
babunello [35]

Answer:

Option D. 11√6/2

Step-by-step explanation:

We'll begin by calculating the side opposite to angle 60°.

This is illustrated below:

Angle θ = 60°

Opposite =?

Hypothenus = 11

Using the sine ratio, we can obtain the side opposite to angle 60° as follow:

Sine θ = Opposite/Hypothenus

Sine 60 = Opposite /11

Cross multiply

Opposite = 11 × Sine 60

Sine 60 = √3/2

Opposite = 11 × √3/2

Opposite = 11√3/2

Finally, we shall determine the value of x as follow:

Angle θ = 45°

Opposite = 11√3/2

Hypothenus = x

Using the sine ratio, we can obtain the value of x as shown below:

Sine θ = Opposite/Hypothenus

Sine 45° = 11√3/2 /x

Cross multiply

x × Sine 45° = 11√3/2

Sine 45° = 1/√2

x × 1/√2 = 11√3/2

x/√2 = 11√3/2

Multiply through by √2

x = √2 × 11√3/2

x = 11√6/2

4 0
3 years ago
Number 18 pls help me
Harman [31]
Lila did it correctly. The answer is 324

Following PEMDAS, we first focus on the parenthesis. So we simplify 9-3 to get 6

So we go from 
18*4^2+(9-3)^2 
to 
18*4^2+6^2 

The next step is applying exponents. In this case, squaring the terms, so we go from
18*4^2+6^2 
to
18*16+36

Next is multiplying
18*16+36
turns into
288+36

Finally, add up 288 and 36 to get 288+36 = 324

That confirms that Lila is correct

----------------------

The error that Rob made is that he computed 18*4^2+9^2-3^2 but it is NOT correct. Saying (x-y)^2 = x^2-y^2 isn't a true equation for all x and y. Again you have to simplify what is in the parenthesis first, and then you can square it. Or you must use the FOIL rule to expand out (9-3)^2


7 0
3 years ago
Which set of angles are alternate interior angles
sweet-ann [11.9K]

Answer:

2&7

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Can somone help me pls
Nastasia [14]

Answer:

x = 9

Step-by-step explanation:

First equation = 4x - 8

Second equation = 7x - 35

Seperate the equation with an equal sign to make it an equality equation and solve for X so :

4x - 8 = 7x - 35 (Given)

-3x - 8 = -35 (Subtraction property of equality)

-3x = -27 (Addition property of equality)

x = 9 (Division property of equality)

Solution:

x = 9

4 0
3 years ago
Graph line with slope 1/3 passing through the point (-2,-2)
Oxana [17]

Answer:

ksue3

Step-by-step explanation:

u27wuueudieieueieidjdjjddjejejejjejdjdnejsjsjsjsjsjsjdjsjsjekekekekekskd

8 0
2 years ago
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