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Fofino [41]
3 years ago
7

What is the simplified form of this expression? (-3x2 + 4x) + (2x2 − x − 11)

Mathematics
1 answer:
satela [25.4K]3 years ago
4 0

Answer:

(-3x2+ 4x) +(2x2-x-11)=− x2+3x-11

step-by-step explanation:

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The large rectangle below represents one whole. What percent is represented by the shaded area?
pantera1 [17]

Answer: 44%

Step-by-step explanation:

11/25= 0.44= 44%

3 0
2 years ago
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√108<br><img src="https://tex.z-dn.net/?f=9%20%5Ctimes%20%5Cfrac%7B13%7D%7B20%7D%20" id="TexFormula1" title="9 \times \frac{13}{
ki77a [65]
I'm assuming your allowed to use a calculator for this? That's what I would do.
\sqrt{108}  = 10.39
To go about the fraction, take the whole number and times it by the denominator, then add in the numerator to create a new fraction(a whole one not mixed). Then simply divide the numerator by the denominator.
9 \times 20 = 180
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For the third one, just input it into a calculator,
2\pi + 3.4 = 9.68
4 0
3 years ago
How many times does 9 go in to 8
Wittaler [7]

Answer:

0.89

Step-by-step explanation:

6 0
3 years ago
Find the sum and express it in simplest form (-b-5x-3)+(2b-4x+7)
vovikov84 [41]
-b - 5x - 3 + 2b - 4x + 7....combine like terms
b - 9x + 4 <==
6 0
3 years ago
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The cost to visit a famous tourist attraction in Russia is 442.25 Rubles. What is the cost in USD if the exchange rate is 3 USD
Lubov Fominskaja [6]

Answer:

$14.5

Step-by-step explanation:

Given data

Cost for the visit=442.25 Rubles

exchange rate

3 USD= 91.5 Rubles

but 1 USD= 91.5/3

=  30.5

Therefore if 1 USD is 30.5 Rubles

         Then   xUSD is  442.25 Rubles

cross multiply

30.5x= 442.25

divide both sides by 30.5

x= 442.25/30.5

x=14.5USD

The cost of the attraction is $14.5

6 0
2 years ago
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