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Deffense [45]
3 years ago
11

Does anyone know this ? i'm stuck.. i'll give you brainliest and 15 points !! pls show work.

Mathematics
1 answer:
insens350 [35]3 years ago
5 0

Answer:

2y+3 is parallel or the same as QR and PS

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If a person drives 390 miles at an average of 40 miles per hour, then their distance d from the destination (in miles) is a func
lara [203]

Answer:

D(t) = 40 t

Graph attached.

Step-by-step explanation:

Assuming this complete problem:

"If a person drives 370 miles at 40 MPH then their distance d from the destination in miles is a function of the number of hours h driven

show equation graph and function"

We know from the definition of distance that D= vt

Where D represent the distance travelled on this case on mi, t the time in hours and v the velocity on this case in mi/h.

For this case if we want a function in terms of the time we can write this expression:

D(t) = 40 t

And since we know that the person travels 390 mi then we can find the total time spent on the travel like this:

t = \frac{D}{v}= \frac{390 mi}{40 \frac{mi}{hr}}=9.75 hours approximately.

And the graph would be the figure attached,

7 0
3 years ago
Read 2 more answers
The length of a rectangle is 1 cm less than the width. The area of the rectangle is 12 cm². determine the dimensions of the rect
jarptica [38.1K]

Answer:

L= 3 cm

W= 4 cm

Step-by-step explanation:

Factors of 12:

1 and 12

2 and 6

3 and 4

Which of those is one number apart?

3 and 4

So the sides must be 3 by 4 cm.

6 0
3 years ago
Solve the exponential equation<br> help, it's for homework
swat32

Answer: x = 3

Step-by-step explanation:

When the base is the same, the exponents are the same:

3-2x = -x

solve fore x

add 2x to both sides

3-2x = -x

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x = 3

6 0
2 years ago
15/3 = 5 4_7 + 5 2_3<br> b=?
OLEGan [10]

Answer:

válla si son brutos está bien fácil esa pregunta lo que pasa es que estoy haciendo mi trabajo

5 0
3 years ago
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Simplify these expressions
Xelga [282]
\frac{10a}{2} \\ \\ 5a \\ \\

The answer is: 5a

-----------

\frac{36b}{6b} \\ \\  \frac{36}{6} \\ \\ 6 \\ \\

The answer is: 6

------------

\frac{16c^2}{8c} \\ \\ 2c^{2-1} \\ \\ 2c^1 \\ \\ 2c \\ \\

The answer is: 2c

------------

\frac{18ab^2}{2b} \\ \\ 9ab^{2-1} \\ \\ 9ab^1 \\ \\ 9ab \\ \\

The answer is: 9ab

------------

\frac{40b^2c^2}{5bc} \\ \\ 8b^{2-1} c^{2-1} \\ \\ 8b^1c^1 \\ \\ 8bc^1 \\ \\ 8bc \\ \\

The answer is: 8bc

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\frac{63ab^2c^3}{7b^2c^2} \\ \\  \frac{63ac^3}{7c^2} \\ \\ 9ac^{3-2} \\ \\ 9ac^1 \\ \\ 9ac \\ \\

The answer is: 9ac
6 0
4 years ago
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