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Nina [5.8K]
3 years ago
6

Explain and correct the error made by a student who simplified this expression.

Mathematics
2 answers:
guapka [62]3 years ago
6 0

Answer:

8no \:  \: x \: so \: cannot \: simplified \: x

-2x+7x+8

=5x+8

balu736 [363]3 years ago
5 0

Answer:

5x+8

Step-by-step explanation:

the simplified form is 5x+8

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A cylindrical basin is 2 feet tall and has a diameter of 5 feet, as shown. If the basin is completely filled with water, how muc
jarptica [38.1K]

Answer:

39.3 ft^3

Step-by-step explanation:

The cylindrical basin has a height of 2 ft and a diameter of 5 ft.

To find the amount of water that will completely fill up the basin, we simply need to find the volume of the basin.

The volume of a cylinder is given as:

V = \pi r^2h

where r = radius of the basin (half the diameter) = 2.5 ft

h = height of the basin

Hence, the volume is:

V = \pi * 2.5^2 * 2

V = 39.27 ft^3 ≅ 39.3 ft^3

The cylindrical basin can hold up to 39.3 ft^3 of water.

5 0
3 years ago
Read 2 more answers
Pls answer ASAP<br>Lesson: Probability<br>Ty in advance
hammer [34]

The probability can be calculated as given because there are a total of 52 cards.

<h3>What is probability?</h3>

It is defined as the ratio of the number of favourable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

Total number of card = 52

Number of king of heart = 1

P(getting a king of hearts) = 1/52

P(getting a spade) = 13/52 = 1/4

P (getting a 5 or a club) = (16/52) = 4/13

P(getting a 5 or a 7) = 4/52 + 4/52 = 8/52 = 2/13

P(getting a card which is not a spade) = 1 - 1/4 = 3/4

P(getting 11 of clubs) = 1/52

Thus, the probability can be calculated as given because there are a total of 52 cards.

Learn more about the probability here:

brainly.com/question/11234923

#SPJ1

8 0
2 years ago
Which expression iWhich expression is equivalent to x + 8 + 4x + 2x for all values of x?s equivalent to x + 8 + 4x + 2x for all
NikAS [45]

Answer:

A = l * w. We can substitute the expressions for length and width into the equation for area ... values in the formula for perimeter, we will get. P = 2l + 2w. P = 2(5)+2(3) P = 10+6 ... L = 18 cm. B = 7 cm. Perimeter of rectangle = 2(length + breadth) P = 2 (L + B) ... Total time taken = Total distance walked × time taken to walk 1m.

4 0
3 years ago
How old am I if 400 reduced by 2 times my age is 244?
lora16 [44]
If A is your age:
400 - 2A = 244
2A = 400 - 244
2A = 156
A = 78
5 0
4 years ago
investment historically have doubled every 9 years if you start with $2000 investment how much money would you have after 45 yea
Oksi-84 [34.3K]
First you would divide 45 by 9 to see how many times it will double which gives you 5. Then, you would multiply 2000 by 2^5 (or just 2000x2x2x2x2x2) to get $64000
5 0
4 years ago
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