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Ann [662]
3 years ago
8

If ABC = DEC, B= 44º and E= 4x x= [?]

Mathematics
2 answers:
Effectus [21]3 years ago
6 0

Answer:

Step-by-step explanation:

Given that

∆ABC is similar to ∆DEC

This. Implies that

Angle A=D,

Angle B=E

Angle C=C, as expected

Given that B=44°

And E= 4x

Since, we know that B=E

Then,

4x=44

Divide both side by 4

x=44/4

x=11

The value of x is 11

kolezko [41]3 years ago
5 0

Value of x is 11

Step-by-step explanation:

  • Step 1: Find x when ΔABC ≅ ΔDEC.

When these two triangles are congruent, their corresponding angles and sides will be equal.

⇒ ∠B = ∠E

⇒ 44° = 4x

∴ x = 44/4 = 11

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3x² + 2x + 2 + 4x² + 5 Simplify​
Natalka [10]

Answer: 7x^2 + 2x + 7

Step-by-step explanation:

Combine likes terms that have alike variables and alike exponents.

(3x^2 + 4x^2) + (2x) + (2 + 5)

7x^2 + 2x + 7

6 0
3 years ago
Which of the following shows two congruent triangles
vaieri [72.5K]

Answer:

all of them

Step-by-step explanation:

all of them seem to have the same marks

but if u get the question wrong my next bet would be to go with only C because it has the marks on the sides if that makes sense

6 0
3 years ago
A medication states that the odds of having an allergic reaction are 2 in 200. What is that probability states as a percent?
AlladinOne [14]
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8 0
2 years ago
Two similar pyramids have base areas of 122 cm? and 16 cm? The surface area of the larger pyramid is 56 cm
Komok [63]

Answer:

42.7 cm sq.

Step-by-step explanation:

small/large = 16 / 122

16/122 = S / 56

S = 56 * (16/122) = 7.34...

however not in the choice

ah ha..

You meant :    12.2 sq. cm :  16 sq. cm  = small / large

so   12.2 / 16 = S / 56 cm

S = 42.7 sq. cm

8 0
3 years ago
A boy kicks a 0.445 kg soccer ball with a force of 75 Newtons. What is the acceleration of the soccer ball?
Daniel [21]

Step-by-step explanation:

given, f=0.445 Kg

m=?

a=75 N

f=m x a

75=0.445 x m

75/0.445=x

168 Kg =m

4 0
3 years ago
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