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Ilya [14]
3 years ago
5

Help me with the home work

Mathematics
2 answers:
Xelga [282]3 years ago
7 0
A. 3x•11 you multiply 3 with x and get 3x and times 11
B. 3x because there are three x's so that equals 3x
Phantasy [73]3 years ago
7 0
A. 33x. 3x * 11=33x
B. 3x. It's like 3*3, you could solve it as 3+3+3, so x+x+x is the same as 3x
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The sum of two numbers is 66. two times the smaller number is 15 more then th larger number what are the numbers
Delicious77 [7]

Let x = big number

Let y = small number

x + y = 66...Equation A

2y = x + 15...Equation B

We have two equations in two unknowns.

x + x + 15 = 66

2x = 66 - 15

2x = 54

x = 54/2

x = 27

Plug x = 27 into EITHER equation above to find y.

I will use Equation A.

x + y = 66

27 + y = 66

y = 66 - 27

y = 39

The two numbers are 27 and 39.

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3 years ago
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Find the surface area of the pyramid. The side lengths of the base are equal.
alexdok [17]

Answer:

362.02

Step-by-step explanation:

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2. Use the figure to decide the type of angle pair that describes <5 and <6
yanalaym [24]

Step-by-step explanation:

option A corresponding angles

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7 0
3 years ago
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What is 16 divided by 14.72
Bogdan [553]
16/14.72=1.08695652174
6 0
3 years ago
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Find the coordinates of P ' if D o, 2.4 (x,y) is applied to the triangle below
guajiro [1.7K]

Answer:

The coordinates of P' are (4.8,-4.8).

Step-by-step explanation:

The rule of dilation D_{o,2.4}(x,y) represent the dilation with scale factor 2.4 and center at origin.

If the scale factor of the dilation is k and the center is (0,0), then

(x,y)\rightarrow (kx,ky)

Since the scale factor is 2.4, therefore

(x,y)\rightarrow (2.4x,2.4y)

From the given figure it is noticed that the coordinates of P are (2,-2). The coordinates of P' are

P(2,-2)\rightarrow P'(2.4(2),2.4(-2))

P(2,-2)\rightarrow P'(4.8,-4.8)

Therefore the coordinates of P' are (4.8,-4.8).

3 0
4 years ago
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