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Marina CMI [18]
3 years ago
7

I’m confused?! Can someone help?!

Mathematics
2 answers:
butalik [34]3 years ago
8 0

Answer: The scale factor of ABC to DEF is 5.

Step-by-step explanation:

Knowing that the side ratios are the same because the triangles are similar, you can use ratios to solve for x and y.

Side AB and Side DE are similar. The former has a length of 3 and the latter has a length of 15, which means that the triangle on the right is 5 times larger than the triangle on the left.

Using this information, you can solve for x by dividing 38.5 by 5.

X = 7.7.

You can then multiply 8 by 5 to solve for y, so y = 40.

X = 7.7, y = 40.

Scale factor is 5.

jonny [76]3 years ago
5 0

Answer:

Scale factor is 5

Step-by-step explanation:

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Given the distance between (x,1) and (-2,5) is 2 root 7, find the the value of x. Leave your answer in simplified exact form
Neporo4naja [7]

Answer:

Step-by-step explanation:

Distance = the square root of (x2-x1)2 + (y2-y1)2Added:Distance Formula: Given the two points (x1, y1) and (x2, y2), the distance between these points is given by the formula:square root of x2-x1 squared +y2-y1 squared

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3 years ago
Square root of negative 121
Harman [31]
√-121 = i√121 
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8 0
3 years ago
Mariana solved the equation below. Identify her ERROR and EXPLAIN what she did wrong. -3(2x-4)=-12 -6x-12=-12 -6x=0 x=0
nydimaria [60]

Answer:

Her error was multiplying -3 and -4 which gives +12 but she wrote -12 instead

Step-by-step explanation:

Mariana workings:

-3(2x - 4) = -12

-6x - 12 = -12

Her error was multiplying -3 and -4 which gives +12 but she wrote -12 instead

-6x = 0

x=0

Correct workings:

-3(2x - 4) = -12

-6x + 12 = - 12

-6x = -12 - 12

-6x = -24

x = -24/-6

x = 4

8 0
3 years ago
The expression p/x^2 - 5x +6 simplifies to x+4/x-2. Which expression doees p represent?
gladu [14]
We know that
(ad)/(bd)=d/d time a/b=a/b since d's cancel
also
if a/b=c/d in simplest form, then a=c and b=d

we have
p/(x^2-5x+6)=(x+4)/(x-2)
therefor

p/(x^2-5x+6)=d/d times (x+4)/(x-2)
p/(x^2-5x+6)=d(x+4)/d(x-2)

therefor
p=d(x+4) and
x^2-5x+6=d(x-2)

we can solve last one
factor
(x-6)(x+1)=d(x-2)
divide both sides by (x-2)
[(x-6)(x+1)]/(x-2)=d
sub


p=d(x+4)
p=([(x-6)(x+1)]/(x-2))(x+4)
p= \frac {(x-6)(x+1)(x+4)}{(x-2)}

7 0
3 years ago
Tims bean sprout grew 3 3/8 inches. Teegans bean sprout grew 2 3/4 inches. How many more inches did tims bean sprout grew than t
Westkost [7]
Tim’s bean sprout grew 5/8 inches more then Teegan. tell me if you need a step by step explanation!!
8 0
3 years ago
Read 2 more answers
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