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iragen [17]
3 years ago
7

Can someone please help I don’t get this

Mathematics
1 answer:
VikaD [51]3 years ago
4 0

Answer:

mABC = 110

Step-by-step explanation:

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Nancy found that x = 1 is one solution to the quadratic equation (x + 2)2 = a. What is the value of a?
solniwko [45]

ANSWER

a=9

EXPLANATION

The given quadratic equation is

{(x + 2)}^{2}  = a

If x=1 is a solution, then it must satisfy this equation:

{(1 + 2)}^{2}  = a

{3}^{2}  = a

a = 9

Therefore the value of 'a' is 9

4 0
3 years ago
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Erin buys a bag of peanuts that weighs 3/4 of a pound.later that week the bag is 2/3 full how much does the back of peanuts weig
nasty-shy [4]

The answer is 1/2lbs, here's how.


3/4x2/3=6/12 reduced to 1/2lbs.

4 0
3 years ago
In a regular 52 deck of cards, what is the probability of picking a random spade, a 4 of any suit and then a random diamond with
meriva

sample \: space = 52 \: cards \\ spades = 13 \: cards \\ number \: 4s = 4 \: cards \\ diamonds = 13 \: cards \\ note \: that =  \\ there \: is \: replacement \\ order \: does \: matter

P( \gamma ) =  \frac{13}{52}  \times  \frac{4}{52}  \times  \frac{13}{52}  =  \frac{1}{208}

5 0
2 years ago
Snow is falling steadily in Syracuse, New York. After 2 hours, 4 inches of snow has fallen. Write an equation that gives the amo
-Dominant- [34]

Answer:

y=2x

it already gives you that in 2 hours four inches of snow has fallen. to find one hour you would basically just divide it in half

8 0
3 years ago
Write an explict equation of how a computer at 2500$ depricates at the rate of 14% per year​
ahrayia [7]

Answer:

V(t)  = 2500(0.86)^t  where t = the year.

Step-by-step explanation:

Each year the  value will be 100 - 14 = 86% ( - 0.86) of the previous year.

6 0
4 years ago
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