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Delvig [45]
3 years ago
13

The figure below shows a large rectangle with a small rectangle cut out of it.

Mathematics
1 answer:
atroni [7]3 years ago
5 0

Answer:

56 cm²

Step-by-step explanation:

8*9=72

4*4=16

72-16=56

hope this helps!

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Pleaseee help meeeeeeee
Olegator [25]

Answer:

x = 6

∠B = 126

Step-by-step explanation:

∠A = ∠B

where

∠A = 8x + 78°

∠B = 2x + 114°

8x + 78°  = 2x + 114°    

8x - 2x = 114 - 78

6x = 36

x = 36/6

x = 6

plugin x into  ∠B = 2x + 114°

∠B = 2x + 114°

∠B = 2(6) + 114°

∠B = 126

8 0
3 years ago
Read 2 more answers
Using the equation y = 3x – 5, what would the output be for an input of -4?
tino4ka555 [31]

Answer:

your question is really not clear but if you were to put the -4 in the Y then the answer would be X=1/3, if you plug in -4 for X and find Y then Y = -17

Step-by-step explanation:

plug in -4 in Y

-4=3x-5 add 5 on both sides,

1 = 3x divide 3 on both sides

1/3= x

plug in -4 in X

y = 3(-4)-5 multiply 3 and -4 = -12

y = -12-5 subtract the -12 and -5 = -17

y = -17

3 0
4 years ago
please help me for this problem...yoko estimates that the product of 48 and 53 is 250.is that reasonable?why or why not?
Pavel [41]
No because
48 times 53=2544
his estimate is way off- it is off by (2544-250)= 2294
4 0
4 years ago
Read 2 more answers
Esther cut a square paper vertically to make two rectangle pieces. Each rectangle had a perimeter of 63 inches.
Studentka2010 [4]

Answer:

Side of the square paper = 21 inches

Step-by-step explanation:

Let the square paper is having measure of each side = a inches

Esther cut this square piece into two pieces.

Let the other side of one rectangle piece = x inches

Perimeter of this piece = 2(a + x) inches

Similarly dimensions of the other rectangular piece will be = a inches × (a - x) inches

Perimeter of this piece = 2[a + (a - x)]

Since both the rectangular pieces have the same perimeter = 63

So, 2(a + x) = 2[a + (a - x)] = 63

2(a + x) = 2(2x - x)

a + x = 2a - x

2a - a = 2x

a = 2x

x = \frac{a}{2}

Therefore, Perimeter = 2(a + x) = 2(a + \frac{a}{2}) = 63

2\times \frac{3a}{2} = 63

3a = 63

a = 21

Therefore, measure of the sides of the square is 21 inches.

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3 years ago
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