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3 years ago

Graph y= -3/2x -3 (Don’t mine my broken screen )

Mathematics

2 answers:

timama [110]3 years ago

5 0

Put a point on the y-intercept at -3. then just go down 3 and over 2

snow_tiger [21]3 years ago

5 0

Desmos, the free graphing calculator I use, formatted the function weirdly, but here is what I got.

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I need help with these three problems.... please help me????

viva [34]

12. Answer: 2130

Step-by-step explanation:

T = -0.01y + 10.6

9.2 = -0.01y + 10.6

-10.6 -10.6

-1.4 = -0.01y

÷-0.01 ÷-0.01

140 = y

"y" represents the number of years after 1990

1990 + 140

= 2130

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13. Answer: -0.0036° per foot

Step-by-step explanation:

Since the relationship is linear, then we can set up the values as x, y coordinates and use the slope formula to find the rate of degrees over feet.

(6562, 63) and (16405, 28)

rate = $\frac{28 - 63}{16405-6562}$

= $\frac{-35}{9843}$

= $\frac{-0.0036}{1}$

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14. Answer: $0.28 per kWh

Step-by-step explanation:

Same reason as #13

(200, 55) and (500, 140)

rate = $\frac{140-55}{500-200}$

= $\frac{85}{300}$

= $\frac{0.28}{1}$

5 0

3 years ago

13. How are squares and triangles the same? How are they different?

nignag [31]

Answer:

Squares and triangles are both polygons and right triangles and squares both have at least one right angle. They are different because squares have 4 sides and triangles have 3. Also, triangle have a total of 180 degrees while squares have a total of 360 degrees.

Hope this helped you! I would appreciate a Brainliest if this helped! Have a good day!

4 0

2 years ago

The product of 15 and the difference between 5 and - 7 A numerical expression

kupik [55]

Answer:

15×5-7

75-7

answer =68

5 0

3 years ago

Help please!!

Oksanka [162]

Answer:

A = 48 cm^2

Step-by-step explanation:

I hope this helps

3 0

3 years ago

32. The price of a box of tarts is $1 cheaper than that of a loaf of bread. If 3 times the price of a

Delvig [45]

Answer: $8.60

Step-by-step explanation:

Let the price of a bread = x

Let the price of a tarts = x - 1

If 3 times the price of a loaf of bread is $29.5 more than half of the price of a box of tarts. This can be represented as:

3 × x = 1/2 × (1 - x) + 29.5

3x = 0.5 - 0.5x + 29.5

3x + 0.5x = 29.5 + 0.5

3.5x = 30

x = 30/3.5

x = 8.6

5 0

3 years ago