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irga5000 [103]
3 years ago
7

I need help with that! Someone please help me

Mathematics
2 answers:
Elena L [17]3 years ago
6 0
What is the question. it only says 7/12, 21/24, what does that mean?
NikAS [45]3 years ago
3 0
Sorry you zoomed to much in.
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What’s the answer <br> I will give you brainlest
joja [24]

Answer:

As marked, the only true statement is the first one

Step-by-step explanation:

Jeff's mean score is 78  

Dalton's mean score is 77

Jeff's median score is 77

Dalton's median score is 77

7 0
3 years ago
The smallest of three consecutive integers is 24 less than the sum of the two larger integers. Find the three integers.
harkovskaia [24]

Answer:

21, 22, 23

Step-by-step explanation:

Construct equations representing each piece of information.

Three consecutive integers are three numbers in a row, for example, 1, 2 and 3.

Let's let

Integer 1 = X

Integer 2 = Y

Integer 3 = Z

X = (Y + Z) - 24

We also know that

Y = X + 1

and Z = X + 2

We can now sub this information into the first equation. We do this so that we can have only one variable in the equation.

X = (X+1) + (X+2) - 24

now solve for x,

X = 2X + 3 - 24

X = 2X - 21

-X = - 21

X = 21

So, the integers are 21, 22, 23

3 0
3 years ago
Two girls were competing in 100 meter dash. The first girl ran it in 14.47 seconds. The second girl ran it in 13.88 seconds. How
Butoxors [25]

Answer:

the second girl was. 59 seconds faster than the first girl.

Step-by-step explanation:

14.47-13.88= .59

8 0
3 years ago
Evaluate the expression<br><br> 5^2(72-45) / 5
Lera25 [3.4K]

Answer:

135

Step-by-step explanation:

Order of Operations: Parentheses first, then power, then division!

3 0
3 years ago
6^2+17+12 help me plz.
Dmitry_Shevchenko [17]
6^2 + 17 + 12

First, let's start with 6^{2} . Basically, the '2' above the 6 indicates that the number appears twice in multiplying. 6^{2} can be described as 6 × 6 as well. 36 should be your answer for 6 squared.
6^{2} = 6 \times 6 = 36

Second, our problem should look like: 36 + 17 + 12. One can simply do this on a calculator or count on their fingers. Once you add all of the numbers up, you should get 65.

Answer: \fbox {65}
4 0
3 years ago
Read 2 more answers
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