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Drupady [299]
3 years ago
9

Seth is trying to decrease the amount of time he spend watching television this week he spent 41/2 hrs watching television which

is2/3 of the time he watched television last week how much time did he watch television last week
Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
7 0

Answer:

Seth watched TV for 6 3/4 hours last week.

Step-by-step explanation:

Let x be the number of hours he watched TV last week.

(2/3)x = 4 1/2 hrs.  Solve for x by mult. both sides by (3/2):

(3/2)(2/3)x = (3/2)(9/2)

Then:     x = 27/4 hours, or 6 3/4 hours.

Seth watched TV for 6 3/4 hours last week.

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Is (0,3) a solution to the equation y=x+3?
Anna007 [38]
1. To find out if (0,3) is a solution to y = x +3 you replace x and y with (0,3)

y = x + 3
3 = 0 + 3
3 = 3        Correct

The answer is YES


2. To find out if (1,-4) is a solution to y = -2x you replace x and y with (1,-4)

y = -2x
-4 = -2(1)
-4 = -2        Incorrect

The answer is NO

5 0
4 years ago
Solution to the inequality 16x−33x<37x+27.
astra-53 [7]

<em><u>The solution to the inequality is:</u></em>

x>\frac{-1}{2}

<em><u>Solution:</u></em>

Given inequality is:

16x-33x

We have to find the solution to given inequality

\mathrm{Add\:similar\:elements:}\:16x-33x=-17x

-17x

\mathrm{Subtract\:}37x\mathrm{\:from\:both\:sides}

-17x-37x

Simplify the above inequality

-54x

\mathrm{Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)}

Remember that, change the inequality sign if you divide or multiply both sides by a negative number

If you divide or multiply both sides by a positive number,the inequality sign will not change

\left(-54x\right)\left(-1\right)>27\left(-1\right)\\\\54x>-27

\mathrm{Divide\:both\:sides\:by\:}54

\frac{54x}{54}>\frac{-27}{54}\\\\x>-\frac{1}{2}

Thus the solution to inequality is found

3 0
4 years ago
Help, please!Help, please!Help, please!Help, please!Help, please!Help, please!Help, please!Help, please!Help, please!Help, pleas
Salsk061 [2.6K]

Answer:

14x^2 - 21

Step-by-step explanation:

The area is

7 * (2x^2 -3)

Distribute

7*2x^2 -7*3

14x^2 - 21

3 0
3 years ago
Read 2 more answers
1/6 of a farm is planted maize,1/4 is planted beans and the remaining part is planted potatoes.What fraction of field is planted
solmaris [256]

Answer:

7/12

Step-by-step explanation:

fraction of field is planted potatoes = 1 - sum of fraction of farm planted with maize and beans

sum of fraction of farm planted with maize and beans  =

\frac{1}{6} + \frac{1}{4}

\frac{2 + 3}{12} = 5/12

1 - 5/12 = 7/12

6 0
3 years ago
What is the value of f(x)=4x-7 for x=-3
Mrac [35]

Answer:

F(x)= -19

Step-by-step explanation:

Just plug in ‘-3’ for every ‘x’ in the equation.

4(-3)-7

-12-7

F(x)= -19

8 0
4 years ago
Read 2 more answers
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