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mash [69]
3 years ago
7

The perimeter (distance around the shape) of a rectangle is 40 cm. The length is 14 cm.

Mathematics
1 answer:
swat323 years ago
8 0

Answer:

2(x +14) = 40 (use the distributive property)

2x + 28 = 40 (solve exactly like you did for Fran)

2x = 12

x = 6

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Change 22 metres per second to a speed in kilometres per hour.<br> Show your working clearly.
masha68 [24]

Answer:

79.2 km/hour

Step-by-step explanation:

1 m/sec= 3.6 km/hour 22m/sec= ? so just multiply 22 m/sec by 3.6 km/hour then the answer will be :- 79.2 km/hour

7 0
2 years ago
The population of bald eagles in Forest National Park is declining at a rate of 14% per year. The following expression represent
neonofarm [45]

We know that the population is declining at a rate of 14% per year.

The expression is:

N ( x ) = 206 * ( 0.86 ) ^ x

where x stays for years.

If we want to find the rate at which the population is declining per month we have to find:

\sqrt[12]{0.86} = 0.9875

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b. ( .99 ) ^ x/12


7 0
3 years ago
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Ray Of Light [21]

Answer:

69

Step-by-step explanation:

8 0
3 years ago
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Solve the following formula for x y = 7 m x − 8 b
katovenus [111]

Answer: It depends on which variable you're solving for.

Step-by-step explanation:

Solving for b: b=7/8mx + -1/8xy

Solving for m: m=xy+8b

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                                   7x

Solving for x: x=-8b

                           ___

                          -7m+y

Solving for y: y=7mx-8b

                           ______

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7 0
2 years ago
!!!!!!!!!!!!!!!!!I could use some help please uwu!!!!!!!!!!!
PtichkaEL [24]

Answer:

Step-by-step explanation:

Just substitute in 7 for the n.

30-4(7)

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2

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(please give brainliest?)

7 0
3 years ago
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