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Montano1993 [528]
3 years ago
16

Misty correctly determined the equation of the linear function represented by the table of values below to be y = negative 2 x +

9 in slope-intercept form by using the ordered pairs (1, 7) and (2, 5). x y 1 7 2 5 3 3 4 1 What would she have gotten for the equation of the linear function if she had used the ordered pairs (2, 5) and (4, 1) instead? y = negative 4 x + 9 y = negative 4 x + 18 y = negative 2 x + 9 y = negative 2 x + 18 Mark this and return
Mathematics
2 answers:
Fiesta28 [93]3 years ago
7 0

Answer:

y = -2 x + 9

Step-by-step explanation:

you'll get the same equation because its linear.

bixtya [17]3 years ago
3 0

Answer:

y = -2 x + 9 or c

Step-by-step explanation:

You might be interested in
ASAP<br> please help me with this
Stolb23 [73]
17.) (-2,0) & (5,0)
19.)(-8,0) & (-7,0)
20.)(-5,0) &(1.5,0)
21.)(-2,0) &(8,0)
I put all of them into Desmos the x’s or solutions are when the u shaped graphs pass through the x-axis
Please mark me the Brainiest
6 0
3 years ago
A rectangular piece of paper has a width that is 3 inches less than its length. It is cut in half along a diagonal to create two
Oliga [24]

Let

x-------> the length of the rectangle

y------> the width of the rectangle

we know that

The area of the rectangle is equal to

A=x*y

The area of the two congruent right triangles  is equal to the area of the rectangle

A=2*44=88\ in^{2}

so

88=x*y -------> equation A

y=x-3 -----> equation B

Substitute equation B in equation A

x*[x-3]=88

x^{2} -3x-88=0 --------> equation that can be used  to solve for the length of the rectangle

Using a graph tool-------> solve the quadratic equation

see the attached figure

The solution is

x=11\ in -----> the length of the rectangle

Find the value of y

88=11*y

y=8\ in  ----> the width of the rectangle

Statements

<u>case A)</u> The area of the rectangle is 88 square inches

The statement is True

See the procedure

<u>Case B)</u> The equation  x*[x-3]=44 can be used to solve for the dimensions of the triangle

The statement is False

Because, the equation x*[x-3]=88 can be used to solve for the dimensions of the triangle

<u>case C)</u> The equation x^{2} -3x-88=0 can be used to solve for the length of the rectangle

The statement is True

see the procedure

<u>case D)</u>The triangle has a base of 11 inches and a height of 8 inches

The statement is True

Because, the base of the triangle is equal to the length of the rectangle and the height of the triangle is equal to the width of the rectangle

<u>case E)</u> The rectangle has a width of 4 inches

The statement is False

See the procedure

8 0
3 years ago
Read 2 more answers
A dump truck driver is delivering loads of sand for making sandbags to protect homes from flooding. Each load contains 12 m3 of
DaniilM [7]

Answer:

  57

Step-by-step explanation:

The volume of a cone is given by the formula ...

  V = (1/3)πr²h

For a pile with a radius of 8.5 m and a height of 9 m, the volume is ...

  V = (1/3)π(8.5 m)²(9 m) = 216.75π m³ ≈ 680.94 m³

Then the number of truckloads required to create that size pile will be ...

  (680.94 m³)/(12 m³/truck) = 56.745 trucks

Even a partial truck load entails another trip, so ...

  57 truck loads of sand are needed.

5 0
3 years ago
Mr. Jones sold two pipes at $1.20 each. Based on the cost, his profit was 20% and his loss on the other was 20%. On the sale of
madam [21]

Answer:

Selling price of the first pipe = $1.20

Profit = 20%

Let’s try to find the cost price of the first pipe

CP = Selling price - Profit

CP = 1.20 - 20% of CP

CP = 1.20 - 0.20CP

CP + 0.20CP = 1.20

1.20CP = 1.20

CP = 1.201.20

CP = $ 1

Selling price of the Second pipe = $1.20

Loss = 20%

Let’s try to find the cost price of the second pipe

CP = Selling price + Loss

CP = 1.20 + 20% of CP

CP = 1.20 + 0.20CP

CP - 0.20CP = 1.20

0.80CP = 1.20

CP = 1.200.80

CP = $1.50

Therefore, total cost price of the two pipes = $1.00 + $1.50 = $2.50

And total selling price of the two pipes = $1.20 + $1.20 = $2.40

Loss = $2.50 – $2.40 = $0.10

Therefore, Mr. Jones loss 10 cents.

i know that this is hard to understand so tell me if you need help

Have a great day :)

6 0
3 years ago
Read 2 more answers
Help I need the answer fast!
yawa3891 [41]

Answer:

2 14/25

Step-by-step explanation:

16/(2+1/2)^2 .        simplify 2+1/2 to 5/2

16/(5/2)^2

16/5^2/2^2

16/25/4

16*4/25

64/25

2 14/25

6 0
3 years ago
Read 2 more answers
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