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kherson [118]
3 years ago
14

Need help with ixl please give right answer fill in the blanks please if 2 answer give same answer best explanations will get br

ainliest

Mathematics
1 answer:
miss Akunina [59]3 years ago
3 0

The equation of line that has slope 8 and passes though (2,7) is: y=8x-9

Step-by-step explanation:

Given

Slope of line = 8

passes through (2,7)

Equation of line in slope-intercept form is given by:

y = mx+b

Putting the value of slope

y = 8x+b

Too find the value of b, putting (2,7) in the equation

7 = 8(2) + b\\7 = 16+b\\b = 7-16\\b = -9

Putting b=-9 int he equation

y=8x-9

Hence,

The equation of line that has slope 8 and passes though (2,7) is: y=8x-9

Keywords: Equation of line, slope

Learn more about equation of line at:

  • brainly.com/question/9196410
  • brainly.com/question/9178881

#LearnwithBrainly

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Caden buys 3.9 pounds of grapes that cost $1.80 per pound. Which expression can be used to find the total cost of the grapes ?
Ilya [14]

Answer:

1.80 times 3.9

Step-by-step explanation:

to find the total cost of grapes, you need to multiply 1.80 and 3.9, which is $7.02.

4 0
4 years ago
64x​^2-81 what’s the answer ?
pychu [463]

Answer:

(8x-9)(8x+9)

Step-by-step explanation:

64x^2 - 81

Rewriting

(8x)^2 - 9^2

We recognize that this is the difference of squares

a^2 - b^2 = (a-b)(a+b)

(8x-9)(8x+9)

3 0
3 years ago
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The Beau Rivage Casino Hotel is the tallest building in the state of
ElenaW [278]

Answer:63ft

Step-by-step explanation:you have to do a series of steps but for this you just divide and do revers operation and your answer is 63ft

4 0
3 years ago
Calcula y comprueba las ecuaciones: porfavor alguienn la nesesito pliss a) 2X = 6 b) 10 + Z = 20 c) P + 9 = 11 d) 3X + 8 = + 29
Alexeev081 [22]

Answer:

<u>a) x = 3</u>

<u>b) z = 10</u>

<u>c) p = 2</u>

<u>d) x = 7</u>

<u>e) u = 1</u>

Step-by-step explanation:

a) 2x = 6

Despejamos x dividiendo por 2 a amabos lados de la eacuacion.

(2/2)x = 6/2

<u>x = 3</u>

Si remplazamos x en la ecuación original:

2(3)=6

6 = 6

Queda demostrado.

b) 10 + z = 20

Despejamos z restando 10 en amabos lados de la eacuacion.

10-10+z = 20-10

<u>z = 10</u>

Si remplazamos z en la ecuación original:

10 + 10=20

20 = 20

Queda demostrado.

c) p + 9 = 11

Despejamos p restando 9 en amabos lados de la eacuacion.

p + 9 - 9 = 11-9

<u>p = 2</u>

Si remplazamos p en la ecuación original:

2 + 9 = 11

11 = 11

Queda demostrado.

d) 3x + 8 = 29

Despejamos x restando 8 en amabos lados de la eacuacion y luego divideindo por 3 en ambos lados de la ecuación.

3x+8-8 = 29-8

3x = 21

(3/3)x = 21/3

<u>x = 7</u>

Si remplazamos x en la ecuación original:

3(7) + 8 = 29

21 + 8 = 29

29 = 29

Queda demostrado

e) 2u + 8 = 10

Despejamos u restando 8 en amabos lados de la eacuacion y luego divideindo por 2 en ambos lados de la ecuación.

2u+8-8 = 10-8

2x = 2

(2/2)x = 2/2

<u>x = 1</u>

Si remplazamos x en la ecuación original:

2(1) + 8 = 10

2 + 8 = 10

10 = 10

Queda demostrado

Espero te haya sido de ayuda!

5 0
3 years ago
The graph shows a driver’s distance versus time.
barxatty [35]
They are trying to spen on a long trip
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