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notsponge [240]
3 years ago
14

What is 3x9x-5x=7#hh&

Mathematics
1 answer:
Paha777 [63]3 years ago
7 0

move the 3 to the 7 side. it will become negative.

9x-5x=7-3

4x=4

x=1

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The product of two numbers is 240. The first number is 8 less than the second number. Write an equation can be used to find x
DaniilM [7]

Answer:

The equation x = y-8

The equation  (y-8) y = 240

The first number x = 12 and second number y =20

Step-by-step explanation:

<u>Explanation</u>:-

<u>Step(l)</u>:-

Let 'x' be the first number and 'y' be the second number

Given the product of two numbers is 240

Given  data        x y = 240 …(l)

Given data the first number is 8 less than the second number.

                       x = y-8...(ll)

Substitute (ll) in equation (l) , we get

                           (y-8) y = 240

                           y^{2} -8y -240 =0

                            y^{2} -20y+12y -240 =0

                           y(y -20)+12(y -20) =0

                           (y +12)(y -20) =0

                          y = -12 and y = 20

              Y= -12 is not satisfied

              we can choose y = 20

<u>Step(ll):</u>-

Given data x =y-8

  substitute value y = 20 in x = y -8

                                             x = 20-8 = 12

<u>Final answer</u>:-

The first number x = 12 and second number y =20

4 0
3 years ago
What is the equation of the line that is parallel to the line x = –2 and passes through the point (–5, 4)
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Answer:

x=-5

Step-by-step explanation:

4 0
3 years ago
Use the change of base formula to evaluate the logarithms to the nearest thousandth.
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Step-by-step explanation:

I just know

6 0
3 years ago
a temperature of -6° is colder than a temperature of 5°f below zero . is this statement true or false ?
olga nikolaevna [1]
True because 0-5 is -5
7 0
3 years ago
1/3 of a number T is less than or equal to five
ZanzabumX [31]

Answer: x ≤ 15

Step-by-step explanation: All we need to do is divide both sides by 1/3, so1/3x / 1/3 and 5/ 1/3 = 15. So x  ≤ 15.

Hope this helps!

8 0
3 years ago
Read 2 more answers
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