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Igoryamba
2 years ago
13

Q2). Let A={1,2,3,4} B={a,b,c} which of the following are relation from B to A?

Mathematics
1 answer:
butalik [34]2 years ago
7 0

Step-by-step explanation:

Given sets are :

A = {1,2,3,4} and B = {a,b,c}

(i)

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What is 2/3 -1/5 (fractions)
butalik [34]

Answer:

7/15

Step-by-step explanation:

8 0
3 years ago
Abraham is installing carpet in his bedroom. On the blueprints, Abraham's bedroom is 6 inches wide and 10 inches long. If the sc
erma4kov [3.2K]

Answer:

240 square feet

Step-by-step explanation:

Hello, I can help you with this

Step one

find the real scale

According to the data

scale is 1 in : 2 ft

also remember  1ft=12 inches

so

scale is 1in: 2(12 inches)

scale is 1 in :24 in

the purpose of use inches a unit in both sides is to eliminate the, the scale must be adimensional

so escales is

1:24  , this means, that a measure on the blueprint must be multiplied by 24 to know its real value

Step 2

with the escale find the real dimensions, you can use a rule of three

Abraham's bedroom is 6 inches wide

blueprint ⇔ bedroom

1 in ⇔ 24 in

6 in ⇔x

x=(6*24)/1

x=144 inches=12 ft

 Abraham's bedroom is  10 inches long

1 in ⇔ 24 in

10 in ⇔y

y=(10*24)/1

x=240 inches=20 ft

Step  3

find the area

the area is wide *long

area=x*y

area=12ft*20ft

area=240 square feet.

Have a good day

5 0
3 years ago
Each side of a square coffee shop is 9 meters longs. what is the coffee shop's perimeter ?
qaws [65]

Well lets remember that a square has four sides that are all equal.

So if we know one side, we know them all!

And perimeter is all of the sides added up.

Well.. 4 sides that are all 9 meters long? here's the math!

9 + 9 + 9 + 9 = 36

Your coffee shop is 36 meters long

Good Luck! :)

8 0
3 years ago
Please help me with this math question.
alex41 [277]

Answer:

275 m^3

Step-by-step explanation:

The volume of a triangular pyramid is V=(1/3)Ah, where A is the area of the triangular base and h is the height.

First, let's find A, the area of the base. The area of a triangle is bh/2, where b is the base and h is the height.

In this question, 5 is the base and 15 is the height, so A=5*15/2=75/2.

Now we know A is 75/2, so let's go back to the formula for the volume of a pyramid. We are given h is 22, so

V=(1/3)(75/2)*22=275

5 0
2 years ago
Simplify.<br><br> f-1g-1<br><br> a. f/g<br> b.g/f<br> c.1/fg<br> d.fg
fiasKO [112]
You can rewrite this equation as "f - g - 1". That's all that I see that you can do with this.
4 0
3 years ago
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