3 years ago

Someone pls help me I'm stuck on this question!!!!????

Mathematics

1 answer:

Pepsi [2]3 years ago

6 0

The answer is $414.00

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What is the solution of the inequality-0.4x - 1.2 > 0.8

strojnjashka [21]

Answer:

x<-5

Step-by-step explanation:

-0.4x>0.8+1.2

-0.4x>2

x<-5

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3 years ago

How many ways can a committee chairman choose 4 people for a subcommittee if there are 12 members on the whole committee?

Marina86 [1]

A group of k elements can be chosen from a group of n elements in $\frac{n!}{k!(n-k)!}$ ways.

$(^{12} _4)=\frac{12!}{4!(12-4)!}=\frac{12!}{4! \times 8!}=\frac{8! \times 9 \times 10 \times 11 \times 12}{2 \times 3 \times 4 \times 8!}=\frac{9 \times 10 \times 11 \times 12}{2 \times 3 \times 4}= \\ \\
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The answer is B. 495.

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3 years ago

A long distance runner starts at the beginning of a trail and runs at a rate of 4 miles per hour. One hour later, a cyclist star

Scrat [10]

T = 1/4 hour will be the answer

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3 years ago

How do you find the middle term of a perfect square trinomial?

Lyrx [107]

Answer:

Take the square root of the constant (number w/o the variable) and then multiply that by 2.

Step-by-step explanation:

A perfect square trinomial is something like this: $x^{2} +6x+9.$ If I have 6x, and I want to find the last term I would take half a six and then square it to get 9.

SO.... To get the middle term of a perfect square trinomial, you would need to do the reverse.. So...

1) Take the square root of the constant...

2) Multiply that by 2

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3 years ago

Help on this pleasee

Zina [86]

Answer: 40 degrees

Step-by-step explanation:

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