3 years ago

Substitution system of equations How do I solve this?

Mathematics

1 answer:

Fantom [35]3 years ago

7 0

Answer:

x=-6

Y=4

Step-by-step explanation:

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Answer:

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2 years ago

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Chris used 43.96 feet of fencing to enclose a circular garden. What is the radius, in feet, of the garden?

UNO [17]

Answer:

r = 7 ft

Step-by-step explanation:

The circumference (C) of a circle is calculated as

C = 2πr ( r is the radius )

Here C = 43.96 , then

2πr = 43.96 ( divide both sides by 2 × 3.14 ← for π )

r = $\frac{43.96}{2(3.14)}$ = $\frac{43.96}{6.28}$ = 7 ft

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2 years ago

Write the standard form of the line that contains a slope -3/8 and passes through the point (5, -4).

Kipish [7]

Answer:

y+3/8x=-17/8

Step-by-step explanation:

y=mx+b

y=-3/8x+b

-4=-3/8(5)+b

-4=-15/8+b

-32/8+15/8=b

-17/8=b

y=-3/8x-17/8

change to standard form where x and y are on one side of the equation

y+3/8x=-17/8

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2 years ago

Grafique la recta que pasa por el punto (-2,4) y tiene pendiente m= -2/3

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2 years ago

Which number should each side of the equation 2/3x=10 be multiplied by to produce the equivalent equation of x = 15?

skelet666 [1.2K]

$\dfrac23x=10$
$\dfrac32\times\dfrac23x=\dfrac32\times10$
$x=\dfrac{30}2=15$

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3 years ago