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3 years ago

A partridge flies 3 miles in 15 mins. What is its speed in m.p.h.?

Mathematics

2 answers:

OLga [1]3 years ago

6 0

Answer:

the speed is 12mph

Step-by-step explanation:

hope this helps :)

astra-53 [7]3 years ago

3 0

Answer:

12 MPH

Step-by-step explanation:

Travelled in 15 min = 3 mile

Travelled in 1 min = 3/15 mile

Travelled in 1hr (60 min ) = 3/15 × 60 = 12 MPH

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An equivalent expression for 4(x+2)+5(y+3)

Anit [1.1K]

Answer:

4x+5y+23

Step-by-step explanation:

4(x+2)+5(y+3)

4x+8+5y+15

4x+5y+8+15

4x+5y+23

7 0

3 years ago

A + b + c = 4 a^2 + b^2 + c^2 = 10 a^3 + b^3 + c^3 = 22 a^4 + b^4 + c^4 = ?

77julia77 [94]

Answer:

the answer is 40, turn it into a number pattern and from there you can work out the answer to be 40

7 0

2 years ago

X²- 49=0 what is the answer is for my exam? Thanks to the one who helps me has 10 points

Nikitich [7]

Step-by-step explanation:

x² - 49 = 0

or, x² - (7²) = 0

or, ( x + 7 ) ( x - 7 ) = 0

hope this answer will help you.

8 0

3 years ago

Read 2 more answers

The Cooper family, consisting of 6 children and 2 adults, goes to the movies and pays a total of $86. The Griffen birthday party

Oksanka [162]

Answer: The cost of child's ticket = $10

The cost of adult ticket = $ 13

Step-by-step explanation:

Let x be the cost of a child ticket and y be the cost of an adult ticket.

Then According to the question, we have

$6x+2y=86..........................(1)\\\\10x+3y=139.......................(2)$

Multiply equation (1) by 3 and equation (2) by 2, then we have

$18x+6y=258.......................(1)\\\\20x+6y=278...........................(2)$

Subtract equation (1) from equation (2), we have

$2x=20\\\\\Rightarrow\ x=10$

Substitute the value of x in equation (1), we get

$60+2y=86\\\\\Rightarrow\ 2y=26\\\\\Rightarrow\ y=13$

Hence, the cost of child's ticket = $10

The cost of adult ticket = $ 13

4 0

3 years ago

Find the value of n. 19n-57=76

kramer

19n-57=76

You must get "n" by itself

19n-57+57=76+57 (add 57 to each side)

19n=133

Divide 133 by 19

133÷19=7

n=7

7 0

4 years ago