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seropon [69]
3 years ago
11

1) -6 < 3х – 4x Can some one help me

Mathematics
2 answers:
taurus [48]3 years ago
7 0

combine like terms

-6<-1x

divide by negative 1 on both sides

flip the sign when dividing by a negative number

6>x is the answer.

kompoz [17]3 years ago
6 0

Answer:

\boxed { x < 6}

Step-by-step explanation:

Solve the following inequality:

-6 < 3x - 4x

-Combine like terms:

-6 < 3x - 4x

-6 < -x

-Switch sides:

-6 < -x

-x > -6

-When you are dividing an integer by a <u>negative</u> integer, then the inequality sign would change. So, to get the variable x positive, divide both sides by -1:

\frac{-x}{-1} > \frac{-6}{-x}

\boxed { x < 6}

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The total cost of an order of gift baskets includes the cost of each gift basket plus a one time delivery fee. The cost of each
Helen [10]

Answer:

x = cost of each gift basket = $14.5

y = one time delivery fee = $135

Step-by-step explanation:

Let

x = cost of each gift basket

y = one time delivery fee

40x + y = 715 (1)

400x + y = 5935 (2)

Subtract (1) from (2)

400x - 40x = 5935 - 715

360x = 5220

x = 5220/360

x = 14.5

Substitute x = 14.5 into (1)

40x + y = 715 (1)

40(14.5) + y = 715

580 + y = 715

y = 715 - 580

y = 135

x = cost of each gift basket = $14.5

y = one time delivery fee = $135

4 0
3 years ago
What is the sum of 7/13 and 11/26? Please help!!
Helga [31]

Answer:

The sum of 7/13 and 11/26 is 25/26.

Step-by-step explanation:

7/13 + 11/26

The common denominator is 26

7/13 *2/2 +11/26

14/26 + 11/26

25/26

8 0
3 years ago
Ratios! I need help, please! I'm really bad at Math
nekit [7.7K]

Answer:

first would be 8

second is 12

third is 16

last is 6

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Solve for x.3-sqrt(x)=0 What is the root? If there is none, choose none. x = 3 x = 9 none
Kryger [21]

Answer:

9

Step-by-step explanation:

3-sqrt(x)=0 should be rewritten as 3 = sqrt(x) or sqrt(x) = 3.

To obtain the value of x that satisfies this equation, square both sides:

x = 3^2, or x = 9.

4 0
4 years ago
What is the solution of the system? Use elimination. 7x + 5y = 19 −7x − 2y = −16
netineya [11]

Make the coefficient of y the same in both equations:

To do this, multiply equation one by 2, and equation two by 5 (this will make the coefficient 10 in both).

14x + 10y = 38
-35x - 10y = -80


Eliminate the y variable by adding the equations from each other

   (14x + 10y = 38)
+ (-35x - 10y = -80)
=  -21x +  0y  = -42

We now have -21x = -42. The y variable has been eliminated.


Solve for x

-21x = -42

Divide both sides by -21 to get x on its own.

x = 2


Substitute x into the equation to find y.

7*2+5y=19

14+5y=19

Subtract 14 from both sides.

5y=19-14

5y=5

Divide by 5 on both sides to get y on its own.

y=5/5

y=1


The answer is (2,1)


8 0
4 years ago
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