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tester [92]
4 years ago
5

KeKito and Haley completed in a swim race. Kelly's time, when rounded to the nearest tenth, was 13.1 minutes. Haley's time, when

founded to the nearest tenth, was 13.2 min Kelly's defeated Haley by 0.01 min. Write a decimal tu hundredths to show wash swimmer's time. Justify the answer
Mathematics
1 answer:
steposvetlana [31]4 years ago
3 0
Both eill still be the samw
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Choose the best selection for the
katrin2010 [14]

Answer:

B. Square

Step-by-step explanation:

Finding the side lengths :

<u>Side 1</u>

⇒ d₁ = √(-4 - 0)² + (8 - 8)²

⇒ d₁ = √16

⇒ d₁ = 4

=============================================================

<u>Side 2</u>

⇒ d₂ = √(-4 + 4)² + (8 - 4)²

⇒ d₂ = √16

⇒ d₂ = 4

===========================================================

<u>Side 3</u>

⇒ d₃ = √(-4 - 0)² + (4 - 4)²

⇒ d₃ = √16

⇒ d₃ = 4

============================================================

<u>Side 4</u>

⇒ d₄ = √(0 - 0)² + (8 - 4)²

⇒ d₄ = √16

⇒ d₄ = 4

As all sides of the figure are equal, and it creates 4 right angles, it is a square.

4 0
2 years ago
In a population distribution, a score of x= 28 corresponds to z= -1 and a score of X =34 corresponds to z= -0.50. Find the mean
katovenus [111]
Z = (X - mean)/sd
-1 = (28 - mean)/sd
mean - sd = 28 . . . (1)
-0.5 = (34 - mean)/sd
mean - 0.5sd = 34 . . . (2)

(1) - (2) => -0.5sd = -6
sd = -6/-0.5 = 12
From (1), mean = sd + 28 = 12 + 28 = 40

mean = 40
standard deviation = 12
7 0
3 years ago
8(2w-6)+4(-1-5w)=0 Solve and show work.
Gelneren [198K]

8(2w-6)+4(-1-5w)=0

16w-48-4-20w=0

-4w-52=0

4w=-52

w=(-52)/4

w=-13

7 0
4 years ago
Choose the best option.<br>1.(101), in base 10 is equal to:<br>a)10<br>b)1<br>c)2<br>d)5​
Tamiku [17]

Answer:5

Step-by-step explanation:(1×2^2)+(0×2^1)+(1×2^0)=

1×4+0×2+1×1=

4+1=

5

7 0
3 years ago
Which rule define the function graphed below?<br> PLEASE HELP
nasty-shy [4]
It is the first answer. 2x+3, -1/3x+3
8 0
3 years ago
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