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Masja [62]
3 years ago
14

What is the value of the expression (3/7)(-2/5 •9/11)

Mathematics
1 answer:
Alex787 [66]3 years ago
7 0

The answer is 54/385, or 0.14025974025974.

Hope this helps!

You might be interested in
Evaluate 15r -1 when r=5
alukav5142 [94]

Answer:

74

Step-by-step explanation:

You just have to substitute r with 5.

Now, the equation looks like this:

15(5)-1

Next, solve 15*5 first according to PEMDAS

And 15*5 equals 75

\frac{\left[\begin{array}{ccc}1&5\\5\\\end{array}\right] }{75}

Lastly, do 75-1 which equals 74

\frac{\left[\begin{array}{ccc}7&5\\-1\\\end{array}\right] }{74}

Therefore, 74 is your answer.

3 0
2 years ago
What is the exact value of x?
Nadya [2.5K]
Exact value of x will be 8 x sin(60)

Exact value of sin 60 = √3/2

So √3/2 x 8= 8 √3/2

Can be simplified to 4 √3
8 0
2 years ago
Todd bought a game for $36 with a coupon for 25% off. How much would it have cost without the coupon?
kotykmax [81]

Answer:

Step-by-step explanation:

x*0.75=36

x=36/0.75=48 $

6 0
3 years ago
Read 2 more answers
13 14<br> x<br> 7 11<br> What is 13/7 times 14/11 equal
Ostrovityanka [42]

Answer:

(2 × 7 × 13) / (7 × 11) =

((2 × 7 × 13) ÷ 7) / ((7 × 11) ÷ 7) =

(2 × 7 ÷ 7 × 13)/(7 ÷ 7 × 11) =

(2 × 1 × 13)/(1 × 11) =

(2 × 13)/11 =

26/11;

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Thank you very much for your help!
Kobotan [32]
For a.
x^2+y^2=25

For b.
(x-4)^2+(y-3)^2=25

For c.
(x-5)^2+(y-4)^2=9


Hope that helps
5 0
3 years ago
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