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Mars2501 [29]
3 years ago
15

BRAINLIEST PLEASE ANSWER FAST Clea estimates that a glass contains 250.55 mL of water. The actual amount of water in the glass i

s 279.48 mL. To the nearest tenth of a percent, what is the percent error in Clea's estimate? Enter your answer in the box.
Mathematics
2 answers:
Anna11 [10]3 years ago
7 0
I think it's 10.4% tell me if I'm correct!
slavikrds [6]3 years ago
3 0
11.5% is the answer
279.48-250.55=28.93
28.93/250.55=0.1154
convert it to percentage
11.5%
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Anne wants to fill 12 hanging baskets with compost. Each hanging basket is a hemisphere of diameter 40 cm.
murzikaleks [220]

Answer:

no

Step-by-step explanation:

Steps to answering this question

  1. determine the volume of the 12 basket

volume of a hemisphere = (2/3)πr^3

n = 22/7

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

radius = 40/2 = 20 cm

volume of one hemisphere = (2/3) x (22/7) x (20^3) = 16,761.90 cm^3

volume of the 12 baskets = 16,761.90 cm^3 x 12 = 201,142.86 cm^

2. convert the litres of compost to cm and multiply by the total bags of compost

1 litre = 1000cm

1 bag of compost = 50 x 1000 = 50,000

4 bags of compost = 50,000 x 4 = 200,000 cm

3. compare which figure is higher. the figure gotten in step 1 or 2

201,142.86 cm^3 is greater than 200,000

there is no enough compost

473691.4

273691.4

3 0
3 years ago
Help pleaseee mathhhhhh
dimaraw [331]

Answer:

hehjzjxjxjdjjdhdhdhdhjdjdjhdhdhdhdjdjjdjsjs B is correct

5 0
3 years ago
What is900 times 8 please help me
ddd [48]
900 x 8= 7200 is your answer
6 0
4 years ago
Read 2 more answers
What is value of x<br> Enter your answer in the box.
borishaifa [10]

Answer:

x=10

Step-by-step explanation:

Lets use a ratio.

3:2 (12 to 8)

We need to scale the x+4 up 3/2 to be equal to 2x+1

(3/2) x+4 = 2x+1

1.5x+6=2x+1

-1.5x    -1.5x

6=0.5x+1

-1          -1

0.5x=5

x=10

4 0
3 years ago
In 1990, the population of Boston, Massachusetts was 574,283. In 2000, the population was 589,141. What is the percent of change
MrMuchimi

Answer:

Percent of change in population is 2.6%

Step-by-step explanation:

Given population of Boston is 574,283 measured in year 1990.

And population of Boston in year 2000 is 589,141.

We need to find percent of change in population.

So, percent change =\frac{New\ population-Old\ population}{Old\ population}\times100%

Here old population is 574,283 and new population is 589,141

Plugging these value in formula we get,

Percent change =\frac{589,141-574,283}{574,283}\times100\\\\=\frac{14858}{574,283}\times100=0.0258\times100\\\\=2.587

Rounding to nearest tenth 2.6%

8 0
4 years ago
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