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Anni [7]
3 years ago
6

Roberto has run the first 16 miles of a race, which means he is 72% finished. How long is the race?

Mathematics
2 answers:
postnew [5]3 years ago
6 0

Answer:

approximately 22.2 miles

Step-by-step explanation:

16mi/72% =xmi/100%

72x=1600

x=22.2222222.....

Gekata [30.6K]3 years ago
5 0

Answer: 22.2 miles

Step-by-step explanation:

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Can I please get some help
Anika [276]

Answer:

a. 6.93 b. 5 c. 6.72 d. 3.46

Step-by-step explanation:

a.  √4^2- 4(4)(-2)

      Evaluate the power

    √16-4×4(-2)

      Multiply

    √16-16(-2) = √16-(-32) = √16+32 Since 2 negatives equal a positive.

      Add

    √48

      Find square root

     √48= 6.92820323028-- rounded-- 6.93

b.   √1^2-4(1)(-6)

      Evaluate the power

     √1-4(1)(-6)

       Multiply

      √1-(-24) = √1+24 Since 2 negatives equal a positive.

       Add

       √25

       Find the square root

       √25=5

c.     √1^2-4(1)(-11)

       Evaluate the power

       √1-4(1)(-11)

       Multiply

       √1-(-44) = √1+44 Since 2 negative equal a positive.

       Add

       √45

       Find the square root

       √45= 6.7082039325-- rounded-- 6.72

d.     √6^2-4(3)(2)

        Evaluate the power

        √36-4(3)(2)

        Multiply

        √36-24

        Subtract

        √12

        Find the square root

        √12= 3.46410161514-- rounded-- 3.46

3 0
3 years ago
How many pounds of salted nuts selling for $1.60 per pound should be mixed with 6 pounds of salted nuts selling for $2.80 per po
aev [14]
The answer would be 16.80
7 0
3 years ago
Read 2 more answers
M m m m basically what does x equal i guess i dont know for 3x+4
andrey2020 [161]

Answer:

<u>x = -4/3</u>

Step-by-step explanation:

3x + 4 = 0

3x = -4

<u>x = -4/3</u>

3 0
3 years ago
Read 2 more answers
What is the area of this figure?
Mazyrski [523]
I believe the area is 66
8 0
3 years ago
Read 2 more answers
Harding and Jack found that 8 percent of their number was 72. What was their number?
Aneli [31]
I do believe that the answer is 900. 
Steps:
I first set up a proportion, with 8/100 and 72/x (x being the number we are trying to find) 
As I was taught, you multiply 100 by 72, which equals 7,200.
Then, I divided 7,200 by 8, which gave me 900.
This is what the proportion process should have looked like:
8/100    72/x
7,200/8
x=900
I hope this helps!
4 0
3 years ago
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