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Agata [3.3K]
2 years ago
12

2 It takes Aisha 84 seconds to run one lap of an athletics track.

Mathematics
1 answer:
DochEvi [55]2 years ago
3 0

Answer:

672

Step-by-step explanation:

the factors of 84 are 3 2 2 7

the factors of 96 are 2 2 2 2 2 3

the factors of the lowest common multiple will be 2 2 2 2 2 3 7

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If a car is traveling east when it passes the camera, will its position be positive or negative 60 seconds after it passes the c
dexar [7]

Step-by-step explanation:

I can only answer part 2 of your question, "If we multiply two positive numbers, is the result positive or negative?". if you multiply 2 positive numbers your answer would be positive.

7 0
3 years ago
Jerome spent $20 on supplies to make 50 cookies for a bake sale. Write and solve an inequality to find the price that Jerome sho
Semenov [28]

Answer:

Each cookie will have to be sold for at least $0.90 if the profit is to be made is more than $25.

Step-by-step explanation:

The amount spent on supplies is $20.

The number of cookies baked is = 50.

If the profit to be made is more than $25.00 .

Then we can safely say that all the cookies have to be sold for

= $20.00 + $25.00

= $45.00

Therefor the required inequality can be written as

50 x ≥ $45.00            ⇒       x   ≥   \frac{45.00}{50}            ⇒      x   ≥  $0.90.

Therefore we can say that each cookie will have to be sold for at least $0.90 if the profit is to be made is more than $25.

7 0
3 years ago
The Discriminant of a quadratic equationis is -6 .What types of solutions does the equation have ?
Ludmilka [50]
I’m pretty sure the answer is C
8 0
3 years ago
Read 2 more answers
Which of these people ran for about 35 minutes?
solniwko [45]

9514 1404 393

Answer:

  D  Malin ran from 3:42 PM until 4:17

Step-by-step explanation:

You need only examine the least-significant digits to determine of the difference of times will end in 5.

The only time difference that is 35 minutes is ...

  3:42 pm to 4:17 pm . . . . . . choice D

7 0
2 years ago
Last week Andi had exams in Chemistry and in Spanish. On the chemistry exam, the mean was µ = 30 with σ = 5, and Andi had a scor
ValentinkaMS [17]

Answer:

Chemistry

Step-by-step explanation:

To solve the above question, we use the z score formula

Andy took two Exams, Chemistry and Spanish. So we find the z score for both exams.

a) Chemistry Exam

On the chemistry exam, the mean was µ = 30 with σ = 5, and Andi had a score of X = 45

z-score is given as: z = (x-μ)/σ

where x is the raw score,

μ is the population mean

σ is the population standard deviation

z = (x-μ)/σ

z = (45 - 30)/5

z = 15/5

z = 3

b) On the Spanish exam, the mean was µ = 60 with σ = 6 and Andi had a score of X = 65.

z-score is given as: z = (x-μ)/σ

where x is the raw score,

μ is the population mean

σ is the population standard deviation

z = (x-μ)/σ

z = (65 - 60)/6

z = 5/6

z = 0.8333333333

Comparing the z score of both Exams,

Andy had a z score of 3 in the Chemistry exam and 0.8333333333 in the Spanish exam.

Therefore, Andy should be expecting a better grade in the Chemistry exam because his z score in the Chemistry exam was higher than that of the Spanish exam.

7 0
3 years ago
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