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CaHeK987 [17]
3 years ago
15

Hhhhhhhhheeeeeeeeeelllllllllllllllppppppppppp

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
6 0

Answer: D

Step-by-step explanation:A. 40-40=0

B. 30-30=0

C.-20+20=0

D.20+20=40

Mashcka [7]3 years ago
4 0

Answer:

c

Step-by-step explanation:

CAN I GET BRAINLESEST

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Help me please. I dont understand this question.
ziro4ka [17]

Answer:

y = 100°

Step-by-step explanation:

I can't see the full question, but I'm guessing you need to find the measure of angle y.

The total angle sum of a polygon can be calculated with the formula

T = 180°(n - 2)   where T is the total angle measure, and n i the number of sides.

For our shape, there are 4 sides, so n = 4.  Plug that in and simplify...

T = 180°(4 - 2)

  T = 180°(2)

      T = 360°

We are given 3 of the angles, so angle y is

y = 360 - 107 - 104 - 49

    y = 100°

5 0
3 years ago
HELP±! FAST<br><br>What is the scale factor?
cupoosta [38]

Answer:

\frac{5}{3}

Step-by-step explanation:

Given that the triangles are similar then the ratios of corresponding sides are equal.

To determine the scale factor calculate the ratio of corresponding sides, that is

\frac{NO}{GH} = \frac{15}{9} = \frac{5}{3}

4 0
3 years ago
Pls help i will give brainliest
zlopas [31]
It is B because yiu solve
3 0
3 years ago
An object is translated by (x - 2; y- 6). If one point in the pre-image has the coordinates (-3, 7), what would be the
solong [7]

Answer:

(-5,1) would be the coordinates of its image

7 0
3 years ago
Pls pls pls pls help!
Inga [223]

Answer:

1)

1/2 - C

1/4 - B

1/8 -D

? - A

1/2*1/4*1/8 = 1/16 of the class got an A

2) 40 lb = 840 oz

840 x* 2 1/4 = 1890 oz

Archie's dog eats 1890 oz of dog food in 2 1/4 years.

5 0
3 years ago
Read 2 more answers
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