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3 years ago

Which conic section does the equation below describe? (y-1)^2=8(x+3)

Mathematics

1 answer:

AURORKA [14]3 years ago

3 0

Answer:

parabola

Step-by-step explanation:

This is the equation of a parabola, notice that only one of the variables (in this case the variable y) appears squared in the equation, and it satisfies the general form of a parabola with branches pointing horizontally.

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What is the sum of 6 + -6 =

Vikentia [17]

The sum of 6+-6 is 0.

4 0

2 years ago

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How to solve -66.17738=6.618(4.3x+1.1)-7.1(x-6.8) have not done algebra in 30 years and cannot help my son with this problem

fenix001 [56]

Let's solve your equation step-by-step.

−66.17738=6.618(4.3x+1.1)−7.1(x−6.8)

Step 1: Simplify both sides of the equation.

−66.17738=6.618(4.3x+1.1)−7.1(x−6.8)

−66.17738=(6.618)(4.3x)+(6.618)(1.1)+(−7.1)(x)+(−7.1)(−6.8)(Distribute)

−66.17738=28.4574x+7.2798+−7.1x+48.28

−66.17738=(28.4574x+−7.1x)+(7.2798+48.28)(Combine Like Terms)

−66.17738=21.3574x+55.5598

Step 2: Flip the equation.

21.3574x+55.5598=−66.17738

Step 3: Subtract 55.5598 from both sides.

21.3574x+55.5598−55.5598=−66.17738−55.5598

21.3574x=−121.73718

Step 4: Divide both sides by 21.3574.

21.3574x

21.3574

−121.73718

21.3574

x=−5.7

4 0

3 years ago

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Someone help me with this ASAP!!

omeli [17]

thats all right but part 3 of 3 is 7.5

6 0

2 years ago

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2/3 of a class is girls a) What is the ratio girls to boys in the class?

Mice21 [21]

Answer:

3:2

Step-by-step explanation:

2 boys for every 3 girls

4 0

3 years ago

The diagonal of a rectangular swimming pool measures 29 yards. If the length of the pool is 25 yards, which measurement is close

nirvana33 [79]

Answer:

Width of the pool = 15 yards

Step-by-step explanation:

Given that:

Length of diagonal of swimming pool = 29 yards

Length of the pool = 25 yards

Let,

w be the width.

This will form a right angled triangle where the diagonal will be hypotenuse.

Using Pythagorean theorem;

$(25)^2+(w)^2 = (29)^2\\625+w^2=841\\w^2= 841 - 625\\w^2 = 216$

Taking square root on both sides

$\sqrt{w^2}=\sqrt{216}\\w=14.70$

Rounding off to nearest whole number

w = 15 yards

Hence,

Width of the pool = 15 yards

3 0

2 years ago