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Kazeer [188]
3 years ago
8

What is 145.45 repeating subtracted by 1.45 repeating​

Mathematics
2 answers:
Brums [2.3K]3 years ago
8 0

Answer:

Step-by-step explanation:

.45 repeating

tankabanditka [31]3 years ago
3 0

Answer:

145.45 repeating subtracted by 1.45 repeating​ equals 144.

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20 pupils can plant 1000 eucalyptus trees in 4hours . Home many trees can 30 pupils plant in 6 hours
Dmitry [639]

Answer:

2250 trees

Step-by-step explanation:

Find how many eucalyptus trees are planted in an hour.

4 hours = 1000

1 hour = 1000 ÷ 4 = 250

20 pupils = 250

1 pupil = 250 ÷ 20 = 12.5 (in an hour)

30 pupils = 12.5 x 30 = 375 trees (in an hour)

6 hours = 375 x 6 = 2250 trees

3 0
3 years ago
Given that f(x) = x^3 + 2x^2 + 1, g(x) = −x^3 −x^2 −4x+ 4, h(x) = f(x) +g(x), and h(x) = 1, what is the value of x?
Studentka2010 [4]

Answer:

x = 2

Step-by-step explanation:

h(x) = f(x) + g(x) = x³ + 2x² + 1 - x³ - x² - 4x + 4 ← collect like terms, thus

h(x) = f(x) + g(x) = x² - 4x + 5

Given

h(x) = 1, then

x² - 4x + 5 = 1 ( subtract 1 from both sides )

x² - 4x + 4 = 0 ← in standard form

(x - 2)² = 0 ← in factored form ( perfect square ), thus

x - 2 = 0 ⇒ x = 2

7 0
3 years ago
Add brackets to make this statement correct.. 12 - 2 x 3 + 1 = 4
Talja [164]

Answer:

12 - (2 \times 3) + 1 = 4

3 0
3 years ago
Read 2 more answers
Use the box-and-whisker plot to find the first quartile.
Vikki [24]
6 is your answer.

With box and whisker plot, the first quartile is where the box starts. In this case it’s 6. The median of this set is 8, represented by the line inside the box. The third quartile is where the box ends, 11 in this case.

The whiskers show the lowest and highest numbers of the data set.

Hope this helped. LMK if you have questions.
7 0
3 years ago
When x = 4 and y = 3, find the value of:<br>a) 2x + 7y - 10<br>b) y(x - 2y)<br>c) (5y - 3x)/12​
mr Goodwill [35]

Answer:

a) 2*4+7*3-10 = 25

b) 3(4-2*3) = -6

c) (5*3-3*4)/12= 4

Step-by-step explanation:

just replace the variables with the numbers given .

7 0
3 years ago
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