2b−15>21? How do I do this and what is the answer???

Answers

Answer 1

Answer: 2b - 15 > 21

add 15 to both sides:

2b-15+15 > 21 + 15

2b > 36

Divide both sides by 2 :

2b/2 > 36/2

2b = 36

b = 36 / 2

b > 18

hope this helps!

Answer 2

Answer: 2b - 15 > 21

2b > 21 + 15

2b > 36

b > 18

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What is the value of the function y = 0.5x – 10 when x = 9?

Answers

To find the value of the given function first lets substitute the value of x in the equation;

y = 0.5x - 10
y = 0.5(9) -10
y = 4.5 - 10
y = -5.5
hope this helps :)

inpus 9 for x
y=0.5(9)-10
y=4.5-10
y=-5.5

What is 38/6 converted into a mixed number??

Answers

38/6 = 36/6+2/6 = 6 + 2/6 = 6 and 1/3

38 divided by 6 equals 6 2/6 and that equals 6 1/3

amy had homework for math, science, and history. She spent 1/3 of her time working on math and 1/4 of her time working on science. Question is Amy estimated that she spent 1/7of her time on both math and science homework. Without doing any calculations, determine whether or not Amy's estimate is accurate & explain why or why not.

Answers

she is incorrect. the denominator, 7, is neither a multiple or factor of the denominators 3 and 4.

It's Wrong Because 7 Isn't The GCF Between 3 & 4 Plus You Can't Add The Denominator If It's Not The Same Number

Somebody please assist me in answering this math question.

Answers

Firstly look at the options carefully and we will get to know that two answer options are incorrect because 2 of them are representing AT MOST SIGN which we don't need. So in that way Options B and D are eliminated.

So Now we are left with 2 options A and C. Lets figure it out.
We know that Carlos has 5 complete set with 4 individual figures and josh has 3 complete sets with 14 individual figures.
So lets write in the numerical language:-
let us assume that complete sets are X.
ATQ,
5x + 4 ≥ 3x + 14
subtracting 3x from both sides.
5x -3x + 4 ≥ 14
2x + 4 ≥ 14
subtracting 4 from both sides
2x ≥ 14 - 4
2x ≥ 10
dividing both sides by 2
x ≥ 5 Answer
So correct answer option is C

Mike /Mark
REASONING The graph shows two bowlers' averages during
a bowling season.
a. Describe each bowler's performance.
b. Who had a greater average most of the season?
Who had a greater average at the end of the season?

Answers

Answer:

NO ANSWER

Step-by-step explanation:

Answer:

where is the graph

Step-by-step explanation:

no answer

Anna earns $12 in 3 hours. How much does she make in 5 hours?and please explain,asap I have a test on this tomorrow!

Answers

20 dollars in 5 hours

if she earns $12 in 3 hours we need to find out how much she makes in 1 hour.

To do that we divide the total money by the hours 12/3 = $4 per hour

Then we multiply the number of hours times the per hour rate: 5 * $4 = $20

Anna will make $20 in 5 hours

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