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timama [110]
2 years ago
14

61 divided by 5320 use compatible numbers to estimate the quotient

Mathematics
2 answers:
slavikrds [6]2 years ago
6 0
87.21311475409836 to shorten it , it will be 87
Digiron [165]2 years ago
3 0
It is 886.6666666667
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3.8:(4c+3)=2:2 2/19<br><br>Please help me! I really appreciate it!
Sati [7]

Please note that in such questions, the ":" stands for ratio which in turn stands for divide. Thus, the given expression which is:

3.8:(4c+3)=2:2\frac{2}{19} will become:

\frac{3.8}{4c+3}= \frac{2}{2\frac{2}{19}}.....(Equation 1)

Now, we know that 3.8 can be rewritten as \frac{38}{10}. Also, we know that the mixed fraction 2\frac{2}{19} can be re-written as:

2\frac{2}{19}=2+ \frac{2}{19}= \frac{38+2}{19}= \frac{40}{19}

Using the above two expressions in (Equation 1) we get:

\frac{\frac{38}{10}}{4c+3}= \frac{2}{\frac{40}{19}}

\frac{\frac{38}{10}} {4c+3}= \frac{2\times 19}{40}= \frac{38}{40}

Cross-multiplication gives:

38(4c+3)=\frac{40\times 38}{10}

4c+3=44c=1

c=\frac{1}{4}

Or c=0.25

Thus, we may write the value of c as either the decimal 0.25 or the fraction \frac{1}{4}.

8 0
2 years ago
Read 2 more answers
What is the area of the polygon below
tamaranim1 [39]
Here is the working:
17x5+5x11
=140
Therefore the answer is (D) 140 square units.
I hope this is helpful
6 0
3 years ago
Read 2 more answers
What are the solutions of x2 = 8 - 5x?
jonny [76]

Answer:

That can be re-written:

x^2 + 5x -8 = 0

We use the Quadratic Formula

a=1

b = 5

c = -8

x = [-b +- sq root (b^2 - 4ac) ] / 2a

x = [-5 +- sq root (25 - - 32)] / 2

x1 = [-5 + sq root (57)] / 2

x1 = 1.27491722

x2 = [-5 - sq root (57)] / 2

x2 = -6.2749172176

Step-by-step explanation:

5 0
3 years ago
If 56% of people own a dog and 5 people are chosen at random, what is the probability that at least one person owns a dog?
wariber [46]

Answer:

2.8

Step-by-step explanation:

we do 56% times 5= 2.8

so 2.8 is your answer

(this answer was given by my friend who claims this is true.)

4 0
2 years ago
Given an example of a line that is parallel to y = 3x - 4
olga_2 [115]

Answer:

? i had this but forgot it sorry

Step-by-step explanation:

6 0
3 years ago
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