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Sunny_sXe [5.5K]
3 years ago
5

I REALLY NEED HELP!! WILL MARK BRAINLIEST!

Mathematics
2 answers:
Marizza181 [45]3 years ago
6 0

Choice D, because you would have to divide 3 1/2 by 2 to find the answer

the rest are either subtraction or multiplication

Assoli18 [71]3 years ago
4 0

Answer:

Option D  is best modeled with a division expression

Step-by-step explanation:

A)  How much does it cost to buy 3 and 1/2 pounds of apples at $2 per pound?

Cost of 1 pound = $2

Cost of 3 and 1/2 pounds  = 2 \times 3.5

B) B. How many apples are needed for 2 pies if the recipe uses 3 and 1/2 apples per pie?

1 pie requires 3.5 apples

So, 2 pies requires apples = 3.5 \times 2

C)  How many more apples are needed if a recipe uses 3 and 1/2 apples and you only have 2 apples?

Recipe requires 3.5 apples

You have 2 apples

More apples required = 3.5 - 2

D) . How many apples are in each pie if a total of 3 and 1/2 apples were used to bake 2 pies?

Apples required in 2 pies = 3.5

Apples required in 1 pie = \frac{3.5}{2}

Hence Option D  is best modeled with a division expression

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Work out the percentage change when a price of £20 is increased to £22.
pav-90 [236]

Answer:

Step-by-step explanation:

20 increased to 22

20/22= 10%

10% of 20.00 is $2.00

2+20 = 22

8 0
3 years ago
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A certain bay with very high tides displays the following behavior. In one 12-h period the water starts at mean sea level, rises
Firdavs [7]

Answer:

the required equation is; y = 21 sin(πt/6)

Step-by-step explanation:

Given the data in the question;

Water rises above sea level = 21 ft

Water drops below sea level = 21 ft

so

maximum = 21 ft and also

minimum = 21 ft

Amplitude = ( maximum + minimum ) / 2

Amplitude = ( 21 + 21 ) / 2

Amplitude = ( 21 + 21 ) / 2 = 42/2 = 21 ft

Period = 12 hours

and we know that; period = 2π/b

so

12 = 2π/b

12b = 2π

b = 2π / 12

b = π/6

Standard equation for simple harmonic is; y = asin(bt)

we substitute

y = 21 sin(πt/6)

Hence the required equation is; y = 21 sin(πt/6)

7 0
3 years ago
Help me ASAP I’ll give brainliest!
lora16 [44]

Answer:

sorry i dunno

Step-by-step explanation:

4 0
3 years ago
What is the value of the function at x=−2?
Elza [17]

The value of the function is the Y value where the line crosses the given X value.

When X is at -2, the line is on Y = 3


The answer would be y =3

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3 years ago
Need help with math quarterly please
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Put a more clearer picture can’t see men
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