3 years ago

Complete the square and write the quadratic equation in vertex form please show steps

Mathematics

1 answer:

nasty-shy [4]3 years ago

5 0

Answer:

Square: $(x-10)^{2} -68$

Vertex: (10,-68)

Step-by-step explanation:

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How can you determine if two (or more) fractions are equivalent. Give an example.

Luba_88 [7]

If they have the same numerator and denominator for example 4/4 and 2/2 are equivalent because you could divide 4/4 to get 2/2 or multiply 2/2 to get 4/4

8 0

3 years ago

For a crane to lift the beam shown to the right, the beam and the two support cables must form an isosceles triangle with heigh

Fittoniya [83]

Answer:

The total length of the two cables is $2\sqrt{145}\ units$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABD

Applying the Pythagoras Theorem

$AB^{2}=BD^{2}+AD^{2}$

substitute the given values

$AB^{2}=9^{2}+8^{2}$

$AB^{2}=145$

$AB=\sqrt{145}\ units$

Remember that

AB=AC ----> because ABC is an isosceles triangle

The total length of the two cables is equal to

$AB+AC=2AB=2\sqrt{145}\ units$

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3 years ago

A horse has a speed of 10 miles per hour

viva [34]

Answer:

Im pretty sure the can run 55 mph

7 0

3 years ago

Lana has 3 bags with the same amount of marbles in them, totaling 12 marbles. Markus has 3 bags with the same amount of marbles

Julli [10]

Answer:

Markus has 6 marbles in each bag.

Step-by-step explanation:

Markus has 18 marbles and 3 bags

If you divide 18 marbles by 3 bags that would be 6 marbles in each bag.

5 0

3 years ago

I need help to find the rest

zmey [24]

And soon it'll avenue golden retriever to play with.

God, i feel so stupid writing that :(

8 0

3 years ago