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Aleksandr-060686 [28]
3 years ago
10

Graph the linear equation ×-4y=-4. show the graph

Mathematics
1 answer:
posledela3 years ago
7 0
One way of doing this would be to make use of the x- and y-intercepts.
Let x=0; then y =1, so (0,1) is a point on the line.  Let y=0; then x= -4.  (-4,0) is a point on the line.  Plot these 2 pts and draw a str. line thru them.

Another way would be to solve x<span>-4y=-4 for y and then to plot the result:

-4y = -x - 4; dividing both sides by -4 results in y = (1/4)x + 1.

Plot the y-intercept (0,1).  Next, starting with your pencil point on (0,1), move the pencil 4 spaces to the right and 1 space up.  That creates a slope of (1/4).  Put a black dot there.  Then draw a str. line thru (0,1) and (4,1).</span>
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Jose asks his friends to guess the higher of two grades he received on his math tests. He gives them two hints. The difference o
tatyana61 [14]

Answer : 96

x – y = 16 --------> equation 1

1/8 x + 1/2 y = 52

x is the higher grade and y is the lower grade

We solve the first equation for y

x - y = 16

-y = 16 -x ( divide each term by -1)

y = -16 + x

Now substitute y in second equation

1/8 x + 1/2 ( -16 + x ) = 52

1/8x - 8 + 1/2 x = 52

1/8x + 1/2x - 8 = 52

Take common denominator to combine fractions

1/8x + 4/8x -8 = 52

5/8x - 8 = 52

Add 8 on both sides

5/8x = 60

Multiply both sides by 8/5

x = 96

We know x is the higher grade

96 is the higher grade of Jose’s two tests.

8 0
3 years ago
A parking garage charges $3.00 plus $1.50 for each hour. You have
Andreyy89

Answer:

(12-3)/1.5= 6

Step-by-step explanation:

You subtract $3 from $12 for the first fee and then divide $9 by $1.50 to find how many hours you can stay.

5 0
3 years ago
Read 2 more answers
Marisol bought 2 7/8 pounds of bananas, a 3 1/2 pound bag of apples, and 2 bags of oranges that each weighed 2 3/4 pounds. How m
attashe74 [19]

Answer:

9 3/4

Step-by-step explanation:

Pounds of bananas=2 7/8

=23/8

Pounds of apple=3 1/2

=7/2

2 bags of oranges=2 3/4 each

11/4 each.

Total pounds of oranges=2(11/4)

=22/4

Total pounds of fruits Marisol bought from the market=pounds of bananas+pounds of apples+pounds of oranges

=28/8+7/2+22/8

Find the L.C.M and add them

The L.C.M=8

Total pounds of fruits =28+28+22/8

=78/8

=9 6/8

Equivalent to

9 3/4

3 0
3 years ago
However, since we have 3 sets of 4, what can we do with the two exponents to avoid expansion?
Anvisha [2.4K]

Answer:

To avoid expansion, you can just use the power of a power rule and multiply the two exponents from the start.

Step-by-step explanation:

(<em>x</em>^4)^3

= <em>x</em>^4×3

= <em>x</em>^12

4 0
3 years ago
What is −5 1/3 ÷ 2 3/4? <br> a. −12 5/6 <br> b. −7 5/12 <br> c. −1 31/33 <br> d. −1 11/12
julia-pushkina [17]
I hope this helps you



-( 3.5+1/3) ÷ 2.4+3/4



- 16/3 ÷ 11/4



-16/3 × 4/11


- 64 / 33


- 1 31 /33
7 0
3 years ago
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