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Elza [17]
3 years ago
7

Need answers to 30 and 31

Mathematics
1 answer:
Mice21 [21]3 years ago
5 0

Answer:

C ; A

Step-by-step explanation:

<u>Question 30:</u>

Perimeter is the sum of all sides.

Perimeter for a recatngle can be found with the formula:

2(L+W)

Length is 7

Width is 4

Plug our values in.

2(7+4)

2(11)

22

Answer C

<u>Question 31:</u>

Circumference of a circle can be found with the formula:

πd.

Diameter of the given circle is 6.

Plug it in

6π

Round π to 3.14

6(3.14)

18.84

Answer A

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Can the sides of a triangle have sides of 5, 8, and 16 ???
Nata [24]

Answer:

No.

Step-by-step explanation:

The triangle inequality theorem states that the sum of two sides of a triangle must be greater than the third side.

5 + 8 = 13.

13, which is the sum of two sides, is not larger than 16, the third side.

Therefore, a triangle cannot have these side lengths.

4 0
3 years ago
Help me with this pls
monitta
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3 years ago
Read 2 more answers
Help me do this plzzzzzzz
yulyashka [42]

Answer:

see below

Step-by-step explanation:

4a)  x / 12 = 5

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4c) S = 12h

  If you substitute the h with the number of hours worked multiply with the  constant of proportionality 12 you'll get the amount charge S.

5) Equation for a slope is (y₂ - y₁) / (x₂ - x₁):

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         = 2/5

3 0
3 years ago
A . y+2 = x<br> B. y+1 = x <br> C. y-1 = x<br> D. y-2 = x<br><br> what answer?
ValentinkaMS [17]

Answer:  y = x - 2, or y+2=x

Step-by-step explanation:  The slope of the line is 1 (y increases by 1 for every x increase of 1). So we start with y = 1x + b.  b is the y intercept, which is -2.  Thus, we have y = 1x- 2.

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3 years ago
what rule should be used to transform a table of a data to represent the reflection of f( x) over the line y = x
Alekssandra [29.7K]

Answer:

according to the question

y=x

p(x,y) reflection p'(y,x)

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