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kherson [118]
3 years ago
12

What is the y-intercept of the line described by the equation below? y = -5x + 7

Mathematics
2 answers:
Citrus2011 [14]3 years ago
8 0

Answer:

(0,7)

Step-by-step explanation:

Eddi Din [679]3 years ago
5 0
Positive 7 is the y-intercept of the equation
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Which number line model represents the expression -2/5 + 4/5
Akimi4 [234]

Hi

-2/5 + 4/5 = 2/5..................

5 0
3 years ago
(0.3d-1.5)/3 1/3=0.84:7/15
Anika [276]

Answer:

  d = 25

Step-by-step explanation:

Perhaps you want to solve for d:

  (0.3d -1.5)/(3 1/3) = 0.84/(7/15)

Change the division by a fraction to multiplication by its inverse.

  (0.3d -1.5)·(3/10) = (0.84)·(15/7)

  0.09d -0.45 = 1.8 . . . . . . . . . . . . simplify

  d - 5 = 20 . . . . . . . . . . . . . . . . . . divide by 0.09

 d = 25 . . . . . . . . . . . . . . . . . . . . . add 5

_____

Grouping symbols help show what is being divided by what. Especially where mixed numbers are involved, parentheses help show that the number 3 1/3 is not supposed to be interpreted as the product of 3 and 1/3.

4 0
3 years ago
(7x^2-2) - (2x^2 - 5x + 3)
ehidna [41]

(7x^2-2) - (2x^2 - 5x + 3)

Answer:

5(x^2+x-1)

4 0
2 years ago
Ive tried everything and still dont understand can you help?
vredina [299]

Answer:

<u><em>13.896 kg</em></u>

Step-by-step explanation:

Volume of Gold Bar = Area of [Trapezium x Length of Bar]

Length of Bar = 16 cm

Area of Trapezium = 2 × Area of Triangle + Area of Rectangle

Area of Triangle = 0.5 × 5 × 3 = 7.5 cm²

2 × Area of Triangle = 2 × 7.5 = 15 cm²

Area of Rectangle = 6 × 5 = 30 cm²

Area of  Trapezium = 15 + 30 = 45 cm²

Volume of Gold Bar = 45 × 16 = 720 cm³

Density of Gold = 19.3 g/cm³

Mass of Gold Bar = 720 × 19.3 = 13896 g = 13.896 kg

Mass of Gold Bar = 13.896 kg

Therefore the <u>mass</u> of the Gold Bar is: <em><u>13.896 kg</u></em> (kilograms).

7 0
2 years ago
Read 2 more answers
Create a graph plot these points and find the slope of the line that goes through them
Andrews [41]

Step-by-step explanation:

Am sorry I can answer this cuz I dont see the picture

8 0
3 years ago
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