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VARVARA [1.3K]
3 years ago
9

One week the price of a share of stock started at $32.00. The price of the stock declined

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
3 0

Answer:

$28.50

Step-by-step explanation:

It declined $7.50 in 3 days then increased $4 in 2 days

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Someone help me with this I will make you brain
Anettt [7]

Step-by-step explanation:

when having an exponent of an exponent, the exponents are simply multiplied.

so, here we have 3/4 × 2/3 = (3×2)/(4×3) = 6/12 = 1/2

so, simplified, we have 5^(1/2).

now, a fraction as exponent indicates a root to be taken. which root is identified by the denominator of the fraction.

here this is 2 (of 1/2). so we need to take the square root.

therefore

\sqrt{5}

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4 0
3 years ago
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An aeroplane flies 1860 miles in 4 hours. What is its average speed?​
nexus9112 [7]

Answer:

The average speed is 465 mph

Step-by-step explanation:

1860/4 = 465

6 0
3 years ago
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If someone could work out the first half of the problem and explain that would be great!
andrew-mc [135]

Answer:

x = -5

y = -5

Step-by-step explanation:

If you multiply the top equation by negative 2, you can add it to the bottom equation and cancel out the x:

-2(-x + 5y = -20) --> 2x - 10y = 40

Add this to the bottom equation top to bottom:

2x - 10y = 40

-2x + 4y = -10

You get:

-6y = 30

Then solve for y:

y = -5

Plug this back in for either equation and solve for x:

-x + 5(-5) = -20

-x -25 = -20

-x = 5

x = -5

Your answers are:

x = -5

y = -5

7 0
2 years ago
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A classmate simplifies the expression in exercise 1. is the expression he wrote equivalent to the original expression? explain.
AlladinOne [14]
Excercise 1:

No, this is not simplified fully. The full answer would be <span>−7dk+14d−21k</span>−7, not <span>14d - 9 - 21k - 7dk + 2. So, it is not equivalent.
</span><span>
Excercise 4:
</span><span>7dk (2 - 3 - 1) - 7
</span>
Just multiply 7dk into (2) (-3) and (-1)
you'd get:
<span><span>−<span>14dk</span></span>+</span>−<span>7 after simplifying it fully.
</span>
p = parameter
w = width

w+2.75

p = 2w+2(w+2.75) = <span>4w</span>+<span>5.5 = 30

Answer to the last one:

w = 6.125</span>
4 0
3 years ago
Fin the sum -11 + (-6) =
lesantik [10]
It is - 16 because adding two negatives give you a negative
7 0
2 years ago
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