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2 years ago

What is the sum of −2.8 and +3.6?

Mathematics

2 answers:

iren2701 [21]2 years ago

7 0

Answer:

0.8

Step-by-step explanation:

-2.8 + 3.6

Add −2.8 and 3.6 to get 0.8.

= 0.8

Hope it helps and have a great day! =D

~sunshine~

deff fn [24]2 years ago

6 0

Answer:

The sum is -10.08

Step-by-step explanation:

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Please help!!!! 2 questions 50 points!!!!

Zielflug [23.3K]

Answer:

See below ~

Step-by-step explanation:

Question 1

The missing angles

Both the unknown angles have the same value as the other two angles in the triangles are the same
∠(missing) = 180 - (72 x 2)
∠(missing) = 180 - 144
∠(missing) = 36°

⇒ The sides are equal

⇒ Angles are not 90°

⇒ It is a rhombus

Question 2

The diagonals of the shape bisect other (Statement 1)
NY = NW (given)
XN = NZ (given)
∠XNY = ∠WXZ (vertically opposite angles)
ΔXNY ≅ ΔWXZ (SAS)
They form two congruent triangles (Statement 2)
From these two statements, it is evident the figure is a parallelogram

7 0

2 years ago

Solve for x 2x^2-8x+5=0

ss7ja [257]

X=7 over 8 or 0.875 is the answer

8 0

3 years ago

PART 1:

Tju [1.3M]

See the attached figure

A(4,8) B(0,7) C(4,3)
the line of reflection is x=5

the reflection is (x,y)-------------------> (10-x,y)
therefore
A(4,8)-----------------> A1(10-4,8)------> A1(6,8)
B(0,7)-----------------> B1(10-0,7)------> B1(10,7)
C(4,3)-----------------> C1(10-4,3)------> C1(6,3)

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2 years ago

Determine the number and type of complex solutions and possible real solutions 4x3 – 12x + 9 = 0

kirill [66]

21 + -12x=0 I think that is the solutiuon

4 0

3 years ago

Please help ! It’s for a test and I don’t get it !

solmaris [256]

Answer: (-3,6)

First you minus 2 from x to get -1
Then you minus 1 from y to get 2

Then multiply both by three to get
(-3,6)

7 0

3 years ago