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julsineya [31]
3 years ago
6

Simplify the following expression, then evaluate when x=1: -8x + 5 - 2x - 4 + 5x

Mathematics
1 answer:
Zinaida [17]3 years ago
3 0
(-2x-2) is the correct answer
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How much heavier is the toffee packet which has mass 1 kg 845 g in comparison to 500 g of chocolates? *
Musya8 [376]

Answer:

toffee packet

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3 years ago
R= m/2 (c + K) for k
Wewaii [24]

Answer:

                  \bold{K=\frac{2r}m-c=\frac{2r-cm}m}

Step-by-step explanation:

\bold{r= \frac m2 (c + K)}\\^{\div\frac m2}\qquad^{\div\frac m2}\\ \bold{r\cdot\frac2m=c+K}\\{}\ ^{-c}\qquad^{-c}\\\bold{\frac{2r}m-c=K}

Or if you mean r= m/[2(c + K)]

\bold{\quad r\ =\ \frac m{ 2(c + K)}}\\^{\cdot(c+K)}\quad^{\cdot(c+K)}\\ \bold{r(c+K)=\frac m2}\\{}\qquad ^{\div r}\qquad^{\div r}\\\bold{c+K=\frac m2\cdot\frac1r}\\{}\quad^{-c}\qquad^{-c}\\\bold{K=\frac m{2r}-c}

5 0
3 years ago
The area of a square tile is 50 square centimeters. To the nearest tenth of a centimeter, how long is one side of this tile?
Radda [10]

Answer:

7.1 cm

Step-by-step explanation:

50 squared is closest to 7, which is the square root of 49.

7 0
3 years ago
At right is the tunnel entrance that runs through
JulsSmile [24]

Answer:

My buddy what's popping??

Step-by-step explanation:

Those coming from the Pest end had to walk round the Castle Hill on the Buda side to be able to proceed northwards. On 10 February 1853, four years after the completion of the Chain Bridge, the building of a tunnel leading through the hill was started to the plans of Adam Clark. On 6 March 1856, the tunnel was opened for foot traffic, and on 30 April 1857 also for motor traffic. Being 350 meters in length, it leads through under the Buda Castle to the other side of the hill. Its length is approximately identical to that of the Chain Bridge, prompting anecdotes according to which the tunnel has only been built so that in rainy weather, the Chain Bridge can be shoved in and be protected from wet conditions. The entry of the tunnel at its Chain Bridge end was also fittingly designed in classicist style.

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3 years ago
Which of the following is closest to the area of the shaded region below?
VladimirAG [237]
The answer is C Good sir
8 0
3 years ago
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