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3 years ago

Working out area in shapes

Mathematics

2 answers:

skad [1K]3 years ago

8 0

To find out the area of a rectangle or a square you have to multiply the length by the width of it. to find out the area of a triangle you have to divide the length by breath and half it.
to find out the area of a shape like a shape of the L letter, you have to separate the shape into squares,rectangles and triangles. like in the picture, i have separated the L shape into two rectangles you should find the area of each rectangle and add them together to get the whole area of the shape.

Ivan3 years ago

7 0

To find the areas of shapes you need to substitute for each value of the formula, every shape has its own formula, usually. You should substitute and solve step by step and you will get your answer, the area.

Hope I helped ya!!<span />

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Irene wants to buy some fish and a package of fish food for her aquarium. Each fish costs $15, and the fish food costs $10. If s

Vlad1618 [11]

Answer C. would represent her budget/situation, because the price of EACH fish plus the price of ONE pack of fish food must be LESS THAN 100 dolllars.

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3 years ago

Answer parts A and B in the imagine attached

mrs_skeptik [129]

A is one solution
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3 years ago

On a recent trip to the convenience store, you picked up 2 gallons of milk, 6 bottles of water, and 7 snack-size bags of chips.

pshichka [43]

Answer:

The water costs $1.90, the chips are $.95 and the milk is $3.80.

Step-by-step explanation:

Let m = milk

Let w = water

Let c = chips

2m+6w+7c =25.65 w = 2c m = w + 1.90

For the first equation, substitute w for 2C and m for w + 1.90 to get:

2(w+1.90) +6(2c) + 7c = 25.65

2w+3.8+12c+7c=25.65

2w+19c = 21.85

Now substitute 2c for w:

2(2c)+19c =21.85

4c + 19c = 21.85

23c = 21.85

c = .95 Now that we know the cost of the chips we can use that to find the water and the milk for the original equations that we wrote at the top.

w = 2c

w=2(.95) = 1.90

m = w + 1.90 = 1.90+1.90 = 3.80

5 0

2 years ago

SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST

valentina_108 [34]

For this question you need to look at what is the greates power of the exponents is oresent for each variable and what factor js the greatest for the leading coefficients.

For the leading coefficients, 5 would be the greatest because it is a number that can be multiplied by another to get both leading coefficients. Also. no other number higher than that would work.

For the x variable, x^3 would be the greatest power in common, so it is the one that will be removed.

Finally, for the y variable y^2 would be the greatest power in common, so it would be the one that is removed.

This gives you a final answer for your greatest common factor of:
$5 {x}^{3} {y}^{2}$
I hope this helps!

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4 years ago

Airplane ticket prices for a concert increased from $800.00 to $1000.00. What was the percent of the increase?

Nat2105 [25]

Answer:

25%

Step-by-step explanation:

Use formula

$\text{Percent increase}=\dfrac{\text{New price - Old price}}{\text{Old price}}\cdot 100\%$

Old price = $800

New value = $1,000

Hence, the percent increase is

$\dfrac{1,000-800}{800}\cdot 100\%=\dfrac{200}{800}\cdot 100\%=\dfrac{1}{4}\cdot 100\%=25\%$

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4 years ago