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LenaWriter [7]
2 years ago
6

2b+y is this an equation?

Mathematics
1 answer:
lutik1710 [3]2 years ago
3 0

Answer:

No because equations have equal signs

Step-by-step explanation:

This is an expression

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Help idk how to do this ASAP please
Sergio039 [100]

Answer:

The area of ∆DEF = 4.5in²

Step-by-step explanation:

From the above diagram,

∆BAC ~∆DEF

It is important to note that if two triangles are similar, the ratio of their areas is equal or equivalent to the ratio of the areas of their sides

This means for the above question, that

We have the bigger triangle = ∆BAC has a side of 4 in and Area = 8 in²

The small triangle has a side of 3in

Finding the scale factor k = ratio of the sides of both Triangles

k = 4/3

k² = (4/3)²

k² = 16/9

Hence,

Area of ∆BAC/ Area of ∆DEF = 16/9

8in²/Area of ∆DEF = 16/9

We cross Multiply

8 in² × 9 = Area of ∆DEF × 16

Divide both sides by 16

Area of ∆DEF = 72/16

= 4.5in²

Therefore, the Area of ∆DEF rounded to the nearest tenth = 4.5in²

8 0
2 years ago
Please help with 1-6
Debora [2.8K]

Answer:

1.) 3

2.) 5

3.) 4

4.) 10

5.) 9

6.) 7


5 0
3 years ago
Read 2 more answers
HELP ME PLEASE FOR BRAINLIEST!!!!
Brilliant_brown [7]
I think it is 10.

hope this helps!!! :D
3 0
3 years ago
Which expression is equal to 3/4
Vitek1552 [10]
3 x 1/4= 3/4
3/3 x 4/4=1
1/4 x 3/4=3/16
4 x 1/3=4/3
The answer is A 3 x 1/4
6 0
3 years ago
If a triangle has three angles that add up to 180 degrees angle a is 20 angle b 50 how much is angle c?
Scorpion4ik [409]
50+20=70
180-70=110°
angle c= 110°
4 0
3 years ago
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