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vladimir1956 [14]
3 years ago
15

Marcus spent 10 hours doing his homework last week. This week he spent 11 hours doing homework. He says that he spent 110% more

time doing homework this week. Is he correct? Show your work to justify your decision.
Plz help me! I think he is correct because 10% of 10 is 600 minutes= 1hr. so 10+1=11???? HELP! Giving medal and a fan.
Mathematics
2 answers:
WARRIOR [948]3 years ago
5 0
Sure he is correct: proof: NOTE TAT 10HRS CORRESPOND TO 100%

1st week he worked 10 hrs, the 10% of 10 is 1 hr. Hence if he worked 11 hrs this week that means 10HRS (100%) + 1HR (10%) =110%
Wewaii [24]3 years ago
4 0

No, he is not correct. I know this because he only spent 10% more time doing his homework this week.

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Please Help!!
LuckyWell [14K]

the discriminant is:

D = (-1)^2 - 4*(-2)*6 = 49

We have a positive discriminant, which means that we have two real solutions.

<h3>How to find the discriminant?</h3>

For the general quadratic equation, the discriminant is:

a*x^2 + b*x + c = 0

The discriminant is:

D = b^2 - 4ac

In this case, the quadratic equation is:

6*x^2 - x - 2 = 0

Then we have:

a = 6, b = -1, c = -2

Replacing that in the discriminant equation:

D = (-1)^2 - 4*(-2)*6 = 49

We have a positive discriminant, which means that we have two real solutions.

If you want to learn more about quadratic equations:

brainly.com/question/1214333

#SPJ1

5 0
2 years ago
Solve this inequality: j/4 – 8 &lt; 4.
fredd [130]
The answer to this is c
j<48
4 0
4 years ago
A baseball player got 61 hits one season. He got h of the hits in one game. What expression represents the number of hits he got
mina [271]

Answer:

(61-h)

Step-by-step explanation:

Total number of hits by baseball player in one season = 61

Number of hits in one game = h

To find:

The expression to represent the number of hits that the player got in the rest of the games = ?

Solution:

Number of hits that the player got in one game = h

Let the number of hits that the player got in rest of the games = x

As per the given question statement,

The sum of h and x will be equal to 61.

h+x=61\\\Rightarrow \bold{x =61-h}

Therefore, the player had (61-h) hits in the rest of the games.

7 0
3 years ago
3^(x-2) = 5^(x+1)
Molodets [167]

Answer:

x=log_{\frac{3}{5} }(45)

x-2=log_{3}(5)x+log_{3}(5)  \\x-log_{3}(5)x=log_{3}(5)+2\\(1-log_{3}(5))x=log_{3}(5)+2\\x=\frac{log_{3}(5)+2}{1-log_{3}(5)} \\x=\frac{log_{3}(5)+log_{3}(3^2)}{log_{3}(3)-log_{3}(5)} \\x=\frac{log_{3}(5x3^2)}{log_{3}(\frac{3}{5} )} \\x=\frac{log_{3}(5x9)}{log_{3}(\frac{3}{5} )} \\x=\frac{log_{3}(45)}{log_{3}(\frac{3}{5} )}\\x=log_{\frac{3}{5}}(45)

Hope this helps you :)

8 0
3 years ago
Luke added 429 + 699 +314 and got 950.Is this sum reasonable?
trasher [3.6K]
No, it's not reasonable
6 0
3 years ago
Read 2 more answers
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