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Gennadij [26K]
2 years ago
11

Can some one help it’s due tomorrow!!!!

Mathematics
1 answer:
NARA [144]2 years ago
7 0

Answer:

1. (d+d+d+d)+(5+5+5+5)

2. The perimeter is 4(d+5)

3. I notice that both expressions are equivalent.

4. The perimeter of the triangle can be written as 15x + 30 which is 5(3x+6).

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19. A cross section of a water trough is in the shape of trapezoid with bases measuring 4 m and 12 m. what is the length of the
ludmilkaskok [199]

Given:

The bases of trapezoid measuring 4 m and 12 m.

To find:

The median of the trapezoid.

Solution:

The median of the trapezoid is the average of its bases.

\text{Median}=\dfrac{\text{Upper base + Lower base}}{2}

The bases of trapezoid measuring 4 m and 12 m. So, the median of the trapezoid is:

\text{Median}=\dfrac{4+12}{2}

\text{Median}=\dfrac{16}{2}

\text{Median}=8

Therefore, the correct option is C.

5 0
3 years ago
I need a written response to solve all 4 steps
borishaifa [10]

Answer:

a. -2

b. s = 2 and y = -5

c. (2.5, -9)

d. -7x - 2

Step-by-step explanation:

a. In the image, I have used rise over run, which is -8/4 or -2.

b. slope formula is mx + b = y, where m is slope and b is the y-intercept. In the equation 2x - 5y = -10, 2 is the slope and -5 is the y-intercept.

c. Plug in all given numbers into an equation and the ones you do not have will be in the points you need it to be. Once you graph the equation you will receive (2.5, -9).

d. y = mx + b

   5 = (-7)(-1) + b

   5 = 7 + b

   -2 = b

y = -7x - 2  

6 0
2 years ago
Two cyclists start at the same point and travel in opposite directions. One cyclist travels 4 km per hour faster than the other.
yaroslaw [1]

Answer:

the rate of the first cyclist: 28km/h

the rate of the 2nd cyclist 28+4= 32km/h

Step-by-step explanation:

x= the rate of the first cyclist

x+4= the rate of the 2nd cyclist

after 4 hours: + the first cyclist travels 4x  (km)

                       + the 2nd cyclist travels 4(x+4)  (km)

because the two cyclists are 240 km apart after 4 hours

=> 4x + 4(x+4) = 240 => x= 28

i hope it's useful forr u =)))

5 0
2 years ago
The density curve below represents the number of hours that Mrs. Schultz's students spent studying for
Brut [27]

Answer:

the mean of the study times is greater than the median

Step-by-step explanation:

8 0
3 years ago
I need help with this please I am very tired and need someone to do this ONE question to help if you can that will be great!
irina [24]

Answer:

462 cu. in

Step-by-step explanation:

See attached formula

4 0
2 years ago
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