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3 years ago

Robert wants to buy a digital piano at a yard

Mathematics

2 answers:

dexar [7]3 years ago

8 0

Answer:

Step-by-step explanation:

There isn't enough space the room is too small

goldfiish [28.3K]3 years ago

3 0

70 because it isnzozjis

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ILL GIVE BRAINIEST TO WHO EVER IS CORRECT!! PLEASE HELP ASAP!!

Ira Lisetskai [31]

The equation of the line is

−x

x−x

−y

y−y

Here (−3,4)≡(x

),(4,5)≡(x

)

∴

4+3

x+3

5−4

y−4

⇒

x+3

y−4

⇒x+3=7(y−4)

⇒x+3=7y−28

⇒x−7y+3+28=0

⇒x−7y+31=0

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6 0

3 years ago

Read 2 more answers

Write the equation of the line that passes through the points (−8,4) and (−3,7). Put your answer in fully reduced point-slope fo

andreyandreev [35.5K]

Answer:

$y = \frac{3}{5} x + 8 \frac{4}{5}$

Step-by-step explanation:

<u>Point slope form</u>

y=mx +c, where m is the gradient and c is the y-intercept.

To find the gradient, use the formula below:

$gradient = \frac{y1 - y2}{x1 - x2}$

$m = \frac{7 - 4}{ - 3 - ( - 8)} \\ m = \frac{3}{ - 3 + 8} \\ m = \frac{3}{5}$

Substitute the value of m into the equation

$y = \frac{3}{5} x + c$

To find c, substitute a coordinate into the equation.

When x= -3, y=7,

$7 = \frac{3}{5}( - 3) + c \\ 7 = - \frac{9}{5} + c \\ c = 7 + \frac{9}{5} \\ c = 8 \frac{4}{5}$

Thus, the equation of the line is $y = \frac{3}{5} x + 8 \frac{4}{5)$

4 0

3 years ago

(a) It takes 40 pounds of seed to completely plant a 6-acre field. How many pounds of seed are needed per acre? poundsperacre

lakkis [162]

Answer: 6 2/3 or 6.67 pounds per acre (depending on how you write it)

Step-by-step explanation:

40 pounds/ 6 acres

= 6 2/3 or 6.67 pounds per acre

6 0

3 years ago

Two thirds of a number, decreased by thirty six, is at most twenty two. Find the number.

Naily [24]

2/3x - 36 ≤ 22
+36 +36
----------------------
2/3x ≤ 58
2x ≤ 174
x ≤ 87

Hope this helps!

4 0

3 years ago

Divide 4,671 divided by8

Xelga [282]

Answer:

its: 583.875

Step-by-step explanation:

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8 0

2 years ago