What is the area of the figure?

Answers

Answer 1

Answer: Divide it to two different shapes again
A triangle and a rectangle is what we get

Area of a rectangle:
Area = Length × Width
= 6 × 4
= 24 cm²

Area of a triangle:
Area = $(1)/(2)$ × base × height
= $(1)/(2)$ × 3 × 6
= 9 cm²

Total Area:
Area of rectangle + Area of triangle
24 + 9
33 cm²

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Use the Distributive property to rewrite each expression in it's equivalent form -7y(4-y)
please show your work !!
hello students from all over the world ! please , someone be kind enough to help me on this math problem ( if u are in 7th grade or higher u can handle it !) :)
grade of the question : 7th grade
subject : math, please help me thanks !! :)

Answers

The arrows indicate that you multiply each one, that way you don't forget in the long run, especially once you get to multistep algebraic equation.

So first you multiply the -7y by the 4 and you get -28y, if you remember a negative times a positive is a negative (I like to think of it as bad things that happen to good people is a bad thing ;) ) Now you take the -7y, because you have to multiply it by both numbers in the parenthesis, and multiply it to the -y, and since when you multiply two y's together it becomes squared it is 7y^2 (squared) and since both are negative, they cancel out and become a positive (bad things that happen to bad people is a good thing in a sense) So therefore your answer for the equivalence is 7y^2 + -28y

Hope that helped, my math teacher has a lot of tricks for remembering this stuff :)

Distributive property is just saying multiply something. So you get -7y times 4, that gives you -28y for the other part you are going to do the same. But in this time y is being multiplied by it self so that mean that it is going to be something with an exponent. The answer for the second part is 7y^2 it turned into a positive because a nagar ice times a negative turns into a positive.

What is the answer for 6

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380.17 is your answer
Formula for SA of a pyramid is: lw+l(√w/2)^2+h^2+w√l/2^2+h^2
We're given all pieces of information, b(l)=9 w=9 h=16
You should be able to plug those values into the equation yourself.

Ariel travels 400 miles in 8 hours. What is her rate of change or rate?A) 40 miles per hour
B) 50 miles per hour
C) 55 miles per hour
D) 60 miles per hour

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The rate of change is 50 just divide 400/8

Henry is making a recipe for biscuits. A recipe calls for 5/10 kilogram flour and 9/100 kilogram sugar.how much sugar and flour will he have?

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Sugar: 500g = 0,5 kg
Flour: 900g = 0,9 kg

5/10kg of flour= 500g
9/100 of sugar= 9g
509grams in total for the recipe

8 divde by 1/6 equals 48 because

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Proof:

$8/(1)/(6)=(8)/(1)/ (1)/(6)=(8)/(1)*(6)/(1)=(8*6)/(1)=(48)/(1)=48 \n$

Calculate the area of the following figure correct to 2 decimal places if can show or explain work

Answers

The way we approach a question like this, is by looking at what portion of the circle we actually have to calculate the area of. We know that a circle is a shape that goes 360 degrees around a point. Therefore we know that, for example, a semicircle, or half a circle, would cover half the amount of degrees. This is important, because as well as covering half the number of degrees, it also covers half the area. For the figure in your picture, we are told that the portion missing from the circle is 90 degrees (shown by the right angle symbol in the center).
this means that 90 degrees worth of the circle is missing, so if we do 360÷90, we find that the answer equals $(3)/(4)$ . This means that we are dealing with $(3)/(4)$ of a circle. So, we simply find the area of the circle normally, and then multiply by $(3)/(4)$ :
The formula for area of a circle is $\pi r^(2)$ , so in this case, it can be said to be $\pi (10^(2) )$ , which is equal to 314.15
Now we simply take that area and multiply it by the fraction we established earlier:
314.15 x $(3)/(4)$ = 235.61
Therefore the area of the figure is 235.61 $cm^(2)$
I hope this helped and please remember to try and not only understand the answer, but the maths that worked it out too :))

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