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Inga [223]
3 years ago
14

What is 4X +9 equals 5X -2

Mathematics
2 answers:
Vlad [161]3 years ago
6 0

Answer:

X=11

Step by step:

4x+9=5x-2

+2 to both sides

-4x from both sides

X=11

lesantik [10]3 years ago
6 0

Answer:

Are you asking what x equals? If so, the answer is x = 11.

Step-by-step explanation:

Solve for x.

4x + 9 = 5x -2

Subtract 9 from both sides.

4x + 9 - 9 = 5x - 2 - 9

Simplify.

4x = 5x - 11

Subtract 5x from both sides.

4x - 5x = 5x - 11 - 5x

Simplify again.

-x = -11

Divide both sides by -1 to rid the x of the negative sign.

\frac{-x}{-1} = \frac{-11}{-1}

Simplify once more.

x = 11

Hope this helps! :)

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What is the radian measure for an angle that measures 720 degrees?
Scrat [10]

Answer:

720 degrees =  \frac{\pi}{4}\ radians or 0.785 radians.

Step-by-step explanation:

Given:

The angle in degrees in given as 720°

We need to convert this to radians.

Now, we know that, the relation between degrees and radians is given as:

180 degree = π radians

Therefore, using unitary method, the value of 1 degree can be calculated.

∴ 1 degree = \frac{\pi}{180}\ radians

Now, the value of 720 degrees can be calculated by multiplying the unit value and 720. So,

720\ degrees=\frac{\pi}{180}\times 720\ radians\\\\ 720\ degrees =\frac{720\pi}{180}\\\\720\ degrees =\frac{\pi}{4}\ radians=0.785\ radians

Hence, the measure of 720 degrees in radians is \frac{\pi}{4}\ radians or 0.25π radians or 0.785 radians.

6 0
3 years ago
Read 2 more answers
Find the surface area
mote1985 [20]

Answer:

Step-by-step explanation:

l = 7 in

w = 11 in

h = 5 in

Surface area = 2*(lw +wh +hl)

        = 2*(7*11 + 11*5 + 5*7)

       = 2* (77+ 55 + 35)

     = 2 * 167

     = 334 square inches

3 0
3 years ago
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You spent 1/5 of your birthday money on 2 video games. If each video game cost the same amount, what fraction of your birthday m
Elza [17]

Answer:

  • 1/10

Step-by-step explanation:

Let total money be m

Then, the money spent on 2 video games is 1/5m

<u>Each game costs:</u>

  • 1/5m ÷ 2 =
  • 1/10m

So each video game costs 1/10 of birthday money

4 0
2 years ago
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Answer if u love cats &amp; dogs
eimsori [14]

Answer:

<em>(7, 5.25)</em> lies on the graph.

Step-by-step explanation:

We are given the following values

x = 4,   6,  8, 12 and corresponding y values are:

y = 3, 4.5, 6, 9

Let us consider two points (4, 6) and (6, 4.5) and try to find out the equation of line.

Equation of a line passing through two points (x_1,y_1) and (x_2,y_2) is given as:

y=mx+c

where m is the slope.

(x,y) are the coordinates from where the line passes.

c is the y intercept.

Here,

x_{1} = 4\\x_{2} = 6\\y_{1} = 3\\y_{2} = 4.5

Formula for slope is:

m = \dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

m = \dfrac{4.5-3}{6-4}\\\Rightarrow m = \dfrac{1.5}{2}\\\Rightarrow m = \dfrac{3}{4}

Now, the equation of line becomes:

y=\dfrac{3}{4}x+c

Putting the point (4,3) in the above equation to find <em>c</em>:

3=\dfrac{3}{4}\times 4+c\\\Rightarrow 3=3+c\\\Rightarrow c =0

So, final equation of given function is:

y=\dfrac{3}{4}x

OR

4y=3x

As per the given options, the point <em>(7, 5.25) </em>satisfies the equation.

So correct answer is (7, 5.25).

6 0
3 years ago
Darren wins a coupon for 4$ off the lunch special for each of 5 days. He pays $75 for his 5 lunch specials. Write and solve an e
Hunter-Best [27]
P - (4x5) = 75
p = $95
hope this helped :)
4 0
3 years ago
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