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olga2289 [7]
3 years ago
15

Helpppp PLZZZZZZZZZZZZ and thank you

Mathematics
1 answer:
charle [14.2K]3 years ago
6 0

Answer:

1. a- rate is 3

b. 25 sec

c. 150 meters

d. d= 3/t

2. Roxanna

a. Jose 35

Marie 49

Melanie 63

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WILL MARK BRAINLIEST
brilliants [131]

Answer:

i believe its The difference in the means is significant because a difference of 2 is not very likely.


Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
What set of reflections would carry rectangle ABCD onto itself?
Dvinal [7]

Answer:

  y=x, x-axis, y=x, y-axis

Explanation:

Reflecting the figure across three axes just moves it from one quadrant to another. It does not map the figure to itself.

Reflecting across the line y=x moves it from quadrant II to IV or vice-versa. If it is in quadrant I or III, it stays there. So the sequence of reflections x-axis (moves from I to IV), y=x (moves from IV to II), x-axis (moves from II to III), y=x (stays in III) will not map the figure to itself.

However, the last selection will map the figure to itself. The initial (and final) figure location, and the intermediate reflections are shown in the attached. The figure starts and ends as blue, is reflected across y=x to green, across x-axis to orange, across y=x to red, and finally across y-axis to blue again.

7 0
4 years ago
Gavyn and Alex win some money and share it in the ratio 3:2. Gavyn gets £27. How much did they win in total?
velikii [3]
27÷3=9
9 is the original number.
9×2=18

the answer is 18.
if you wanted to check your work, 27:18 simplifies down to 3:2.
7 0
4 years ago
Read 2 more answers
The perimeter of the scalene triangle is 60 cm. The length of the longest side is 4 times that of the shortest side. Which state
NNADVOKAT [17]

Answer:

We know that in a scalene triangle all sides (and angles) are different.

Let

z = length of longest side

y =  length of second side

x =  length of shortest side

The perimeter of the scalene triangle is 60 cm

x + y + z = 60 cm

The length of the longest side is 4 times that of the shortest side.

z = 4*x

We are left with the following equations

x + y + z = 60

z = 4*x

We will test every affirmation

Number one

The value of x can equal 40.

FALSE. The longest side cannot be greater than the perimeter.

Number two

The longest side can equal 30 cm

z = 30 cm

x = 30/4 cm = 7.5 cm

y = [60 -30 - 7.5] cm  = 22.5 cm

This statement is TRUE

Number three

The shortest side can equal 7 cm

x = 7 cm

z = 4*7 cm = 28 cm

y = [60 -28 - 7] cm  = 25 cm

This statement is TRUE

Number four

The value of x can equal 25

x = 25 cm

z = 4*25 cm = 100 cm

The longest side cannot be greater than the perimeter.

This statement is FALSE

Number five

The shortest side can equal 5

x = 5 cm

z = 4*5 cm = 20 cm

y = [60 -20 - 5] cm  = 35 cm

This statement is FALSE. The second side (y) cannot be greater than the longest side (z).

5 0
3 years ago
Corinne made a deposit of $6,000 into an account with a simple interest rate of 5%. How much interest will be in the account aft
oksian1 [2.3K]

Answer:

$8,864.73

Step-by-step explanation:

Base amount: $6,000.00

Interest Rate: 5% (yearly)

Effective Annual Rate: 5%

Calculation period: 8 years

8 0
4 years ago
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