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german
2 years ago
11

Please help me 7.2 × 2.1

Mathematics
2 answers:
lbvjy [14]2 years ago
6 0

Answer:

15.12

Step-by-step explanation:

Varvara68 [4.7K]2 years ago
5 0

Answer:

15.12

Step-by-step explanation:

That's the a water to ur question.

hope it helps.

Have a good day and stay safe!

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What is factored form of 4x3 + 3x2 + 8x + 6?
Ira Lisetskai [31]
The answer is (4x+3) (x^2+2)
3 0
3 years ago
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
2 years ago
The number of rainbow smelt in Lake Michigan had an average rate of change of −19.76 per year between 1990 and 2000. The bloater
mojhsa [17]
Let x =  number of years between 1990 and  2000.

Rainbow smelt:
Initial population = 227
Average yearly rate of change = -19.76
The linear function that models the population is
y₁ = 227 - 19.76x

Bloater fish
Initial population = 1052
Average yearly rate of change = -92.57
The linear function that models the population is
y₂ = 1052 - 92.57x

When the two populations are equal, then y₁ = y₂.
That is
227 - 19.76x = 1052 - 92.57x
(92.57 - 19.76)x = 1052 - 227
72.81x = 825
x = 11.33 years
   = 11 years, 0.33*12 months
   = 11 years, 4 months
Add x to 1990 to obtain the year April 2011.

Answer:
x = 11.33 years.
This occurs in April 2001.
5 0
3 years ago
Read 2 more answers
Question 3
choli [55]

Answer:

((19)(49)/98)

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Estaban is 6 years older than his brother Raoul. The sum of their ages is 38. How old are the brothers?
Over [174]

Answer:

raoul is 16 and estaban is 22

8 0
3 years ago
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