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Ilya [14]
3 years ago
15

4. Use SUBSTITUTION to solve the system. x= y + 5 2y + x = -4​

Mathematics
1 answer:
Marianna [84]3 years ago
6 0

Answer:

if I I just want free point so I am

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What is the value of x in the equation –x = 4 – 3x + 6?
Nataly [62]
Remember you can do anything to an equaiton as long as you do it to both sides


-x=4-3x
add 3x both sides
3x-x=4+3x-3x
2x=4+0
2x=4
divide 2
2x/2=4/2
2/2x=2
1x=2
x=2
7 0
3 years ago
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For the function f(x)=(x+6)^3, rind f^-1(x)
qaws [65]

Answer:

f^{-1}(x)=\sqrt[3]{x}-6

Step-by-step explanation:

f(x)=(x+6)^3

y=(x+6)^3

x=(y+6)^3

\sqrt[3]{x}=y+6

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5 0
3 years ago
Which is the total surface area of this cone?
disa [49]

Answer:

  A.  219.80 square centimeters

Step-by-step explanation:

The total surface area is given by ...

  A = πr(r+s)

where r is the radius and s is the slant height. Filling in the given numbers, you get ...

  A = 3.14·(5 cm)·(5 cm +9 cm) = 219.80 cm²

3 0
3 years ago
What are the coordinates of the point on the directed line segment from (−8,−6) to (-1, 8) that partitions the segment into a ra
aivan3 [116]

Answer:

(-3, 4)

Step-by-step explanation:

let the point P(x, y)

x = (5/7 × (-1+8)) + (-8)

= (5/7 × 7) -8 = 5-8 = -3

y = (5/7 × (8+6)) + (-6)

= (5/7 × 14) -6 = 10-6 = 4

so, P => (-3 , 4)

3 0
3 years ago
What is the volume of a rectangular prism with the dimensions: base 7 2 cm, height 3 2 cm, and length 9 2 cm? A) 189 2 cm3 B) 18
LUCKY_DIMON [66]

Answer:  (B) 189 4 cm3 is the correct answer

Step-by-step explanation:

7 0
3 years ago
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