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PtichkaEL [24]
4 years ago
14

X(x+3)-x I keep getting x+3 but that’s not an option

Mathematics
2 answers:
Gennadij [26K]4 years ago
8 0
This is answer:
x(x+3)-x
or
1x(1x+3)-1x
1x+3x+-1x
=3x
First you multiply and then u would add the like terms.
aleksklad [387]4 years ago
6 0

Hey there!

Answer = x^{2}+2x

Explanation:

Let's simplify step-by-step.

x(x + 3) -x

Distribute:

= (x)(x) + (x)(3) + -x

= x^{2}+3x+-x

Combine Like Terms:

= x^{2}+3x+-x

= (x^{2})+(3x+-x)

= x^{2}+2x

So therefore, that is how you found your answer: x^{2}+2x

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Which real-world transformations can be represented by dilations? Select two options. 1. turning a camera to take a photograph 2
Fittoniya [83]

Answer:

3 and 4

Step-by-step explanation:

A dilation is a transformation that produces an image that is the same shape as the original, but is a different size so here reducing a photograph to half its dimensions and enlarging a photograph to double the dimensions is dilation.

=> For dilation, we use a certain scale factor

=> In the 3rd option, scale factor is 1/2

=> In the 4th option, scale factor is 2.

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4 years ago
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777dan777 [17]

Answer:

Step-by-step explanation:

y=4x+2

x+2y=22

x+2(4x+2)=22

x+8x+4=22

9x+4=22

9x=18

x=2

y=4(2)+2

y=8+2

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(x,y) -> (2,10)

8 0
3 years ago
Read 2 more answers
Find the perimeter of a rectangle whose width is 30cm and diagonal 50cm.<br><br>​
marshall27 [118]

Answer:

P=140cm

Step-by-step explanation:

P=2(l+w)

d=w2+l2

Solving forP

P=2w+2d2﹣w2=2·30+2·502﹣302=140cm

Hope This Kind of Helps

7 0
3 years ago
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I Need The Answer Plz!!! Geometry Is Hard!!
prohojiy [21]

Answer:

12√5

Step-by-step explanation:

According to the attached sketch, there are 2 triangles which we need to focus on, triangle A (in yellow) and triangle B (In red).

If you look at triangle A, we notice that X is the hypotenuse of triangle A. This means that X must be the largest length in triangle A, hence we can say that x must be greater than 24 (or 24 < x)

Now look at triangle B, in this case, they hypotenuse is 30 and x is the length of one of the sides. This means that x must be shorter than the hypotenuse (i.e x < 30)

from the 2 paragraphs above, we can see now that we can assemble an inequality in x

24 < x < 30

If we look at the choices, we can immediately ignore 33 because x must be less than 30,

working out the choices, we find that the only choice which falls into the range 24<x<30 is the 2nd choice 12√5  (= 26.83)  (which is the answer)

The last 2 choices give values smaller than 24 and are hence cannot be the answer

8 0
3 years ago
Name the value of each 2 in 222,222
zhannawk [14.2K]

The first 2 represents 200,000

The second 2 represents 20,000

The third 2 represents 2,000

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