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wlad13 [49]
3 years ago
7

PLEASE HURRY THIS IS DUE IN 20MIN

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0

This is not my answer I found it from another brainly

From the beginning we know we are dealing with two different rates. Distance is equal to (Speed X Time). We have two different speeds though. We will call the min speed = x and the max speed = y. With those two ideas in place we can make two equations for both Tony and Rae.

Tony:

2x+3.5y=355

Rae:

2x+3y=320

Now you can solve the equations by subtracting Rae's equation from Tony's

.5y=35 solve for y and you get 70

Now plug that y value back into either equation and you can solve for x. I'll use Rae's distance:

2x+3(70)=320

x=55

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A wall 15 m long, 30 cm wide and 4 m high is made of bricks, each measuring
schepotkina [342]
L = 15m = 1500cm
b= 30cm
h= 4m= 400cm



So, total volume of the wall= l×b×h
= 1500×30×400= 1,80,00,000 cm^3


Now, volume of one brick= 22×12.5×7.5= 2062.5 cm^3


Volume of wall containing only bricks= total volume of the wall - volume of wall containing mortar
= 1,80,00,000 - (1,80,00,000 × 1/12)
= 1,65,00,000 cm^3


So, no. of bricks = volume of wall containing bricks ÷ volume of one brick
= 1,65,00,000 ÷ 2062.5
= 8000 bricks.
4 0
3 years ago
Describe the sequence of transformations from quadrilateral ABCD to A'B'C'D A: -8,8 B: 8,-2 C: 4,-8 D: 4,-2 A': 2,-10 B': 8,-10
butalik [34]

Answers:

See below  

Step-by-step explanation:

First transformation

Reflection about the line y = 6.

This inter-converted Points A and C and Points B and D.

The coordinate transformations were (Fig. 1):

A: (-8, 8) ⟶ (-8, 4)

B: (-2, 8) ⟶ (-2, 4)

C: (-8, 4) ⟶ (-8, 8)

D: (-2, 4) ⟶ (-2, 8)

Second transformation

Translation 10 units to the right and 14 units down.

The coordinate transformations were (Fig. 2):

A: (-8, 4)  ⟶ (2, -10)

B: (-2, 4)  ⟶ (8, -10)

C: (-8, 8)  ⟶ (2,   -6)

D: (-2, 8) ⟶ (8,    -6)

The transformations were:

  1. Reflection about the line y = 6
  2. Translation 10 units to the right and 14 units down

3 0
3 years ago
What is the domain of f(x) = √√x?
finlep [7]

Answer: All real numbers

Step-by-step explanation:

You can take the cube root of positive and negative numbers, as well as zero.

3 0
2 years ago
Find the volume of the oblique cylinder. Round your answer  to the nearest tenth. 
Sliva [168]

Answer:

The Volume of an Oblique Cylinder:

An oblique cylinder, on the other side, is a cylinder whose base and top are not perpendicular to the sides. Interestingly, the volume of an oblique cylinder is the same as the volume of a right cylinder, and it is calculated as V=πr2h V = π r 2 h .

Step-by-step explanation:

4 0
4 years ago
Homer and Mike were replacing the boards on​ Mike's old deck. Mike can do the job alone in 1 hour less time than Homer. They wor
FinnZ [79.3K]

Answer:

7

Step-by-step explanation:

Since Mike took 6 hours and he takes 1 hour less than Homer to do complete something alone then you add 1 to 6 and get 7. Homer would’ve took 6 hours.

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