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madreJ [45]
3 years ago
12

Jonathan has a collection of 400 marbles. Blue marbles make up 17% percent of his collection.

Mathematics
1 answer:
raketka [301]3 years ago
5 0
So percent means parts out of 100 so 17%=17/100
400 marbles
17% of 400=blue
<span>'of' can be translated to multiply </span>
17%=17/100
17/100 ties 400=6800/100=68
<span>he has 68 blue marbles.</span>
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The equation f(x)=x−5 translated 4 units to the left is g(x)=
elixir [45]

The equation of the function g(x) is g(x) = x - 1

<h3>How to determine the equation of the function g(x)?</h3>

The given parameters are:

f(x) = x - 5

The above function f(x) is translated left by 4 units

So, we have

g(x) = f(x + 4)

This gives

f(x + 4) = x + 4- 5

Evaluate the sum

f(x + 4) = x - 1

So, we have:

g(x) = x - 1

Hence, the equation of the function g(x) is g(x) = x - 1

Read more about function transformation at:

brainly.com/question/10904859

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3 0
2 years ago
Paul went on a bike ride of 30 miles. He realized that if he had gone 8 mph faster, he would have arrived 12 hours sooner. How f
lara [203]

Answer: He actually rode 2 miles per hour on his trip

Step-by-step explanation: Maybe unconventional, but express the time it took, then figure the speed.

Time  = distance /speed  t will represent time, s is the speed:  t = 30/s Use the rime it would have taken at the higher speed to create an equation:

t-12 = 30/s+8   replace the y with the 30/s

30/s -12 = 30/s+8

(s)(30/s -12 ) = (s)(30/s+8 )  Cross multiply to cancel denominators  

(s-8)(30 -12s) = (s-8)(30s/s+8 ) ==> 30s +240 -12s² -96s =30s   Simplify:  

(-1)(-12s² -96s +240 ) =0 ==>  12s² +96s -240  divide all by 12

s² + 8s -20 = 0   Factor and solve for s

(s +10)(s -2) =0    s-2=0   S= 2  

Proof:

30/2 = 15 hours for original trip at 2mph,  

increase speed by 8mph   2 + 8 = 10mph

30 miles at 10mph takes 3 hours; that is 12 hours less than his actual trip.

(Brainilest, please :-)

4 0
3 years ago
Pls help I’ll brainlest ASAP
Dmitry_Shevchenko [17]
Substract by 12 from 42, and keep going down until you hit -54, which is 8 hours!
4 0
3 years ago
What is 2 plus 2 add 14 subtract 6
olasank [31]

What is 2 plus 2 add 14 subtract 6

2+2+14-6=

12

3 0
3 years ago
Read 2 more answers
One glue stick has 1/5 left and the other 3/10 left, which is bigger
dedylja [7]
The glue stick with 3/10
6 0
3 years ago
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