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dmitriy555 [2]
2 years ago
11

sorry for all the question but I have to be somewhere in about 10 minutes and this is due tomorrow and most of this I don't unde

rstand so plz help me answer the ones without work

Mathematics
1 answer:
balu736 [363]2 years ago
8 0
64 and 64 for the simplify the following
8.5 for evaluate the expression
$5.50 + $1.99n is for the movies question
x divided by 2 minus 18 is for the football fans

hope this helped some...
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Write the equation 8x - 5y = 20 in<br> slope intercept form.
Bogdan [553]

Answer:

The equation in slope-intercept form is y = 8/5x-4.

I hope this helps! Have a nice day!!

8 0
3 years ago
Simplify (2√5+3√7)^2
Anna35 [415]
The answer is: 83 + 12√35

(a + b)² = a² + 2ab + b²

In (2√5 + 3√7)², a = 2√5, b = 3√7

Just substitute a and b:
(a + b)² = a² + 2ab + b² = (2√5)² + 2 * 2√5 * 3√7 + (3√7)² = 
            = 2²√5² + 2 * 2 * 3 * √5 * √7 + 3²√7² =
            = 4 * 5 + 12 * √(5*7) + 9 * 7 =
            = 20 + 12 *√35 + 63 =
            = 83 + 12√35
3 0
3 years ago
Read 2 more answers
The vertices of ΔGHI are G (2, 4), H (4, 8), and I (8, 4). The vertices of ΔJKL are J (1, 1), K (2, 3), and L (4, 1). Which conc
Klio2033 [76]

Answer:

They are similar by the definition of similarity in terms of a dilation.

Step-by-step explanation:

The first step is finding the sides of each triangle.

In triangle GHI, we have that:

GH = sqrt((4-2)^2 + (8-4)^2) = 4.4721

HI = sqrt((8-4)^2 + (4-8)^2) = 5.6569

IG = sqrt((2-8)^2 + (4-4)^2) = 6

Now, for the triangle JKL, we have:

JK = sqrt((2-1)^2 + (3-1)^2) = 2.2361

KL = sqrt((4-2)^2 + (1-3)^2) = 2.8284

LJ = sqrt((1-4)^2 + (1-1)^2) = 3

The triangles are not congruent, because the sides are different

They are similar, because their sides have a proportion (sides of GHI are 2 times the sides of JKL). If they are similar, they have the same angles.

The ratio of their corresponding sides is 1:2, not 1:3

The ratio of their corresponding angles is 1:1, not 1:3

3 0
3 years ago
Jan walks 40 meters in 15 seconds what is her rate?
schepotkina [342]
The answer is 2.67 seconds per second when rounded but 2.66666...
6 0
3 years ago
QUESTION 1 Name the type of transformation depicted by the picture. reflection rotation translation none of the above
nydimaria [60]
I would be happy to help but it seems there are no pictures attached to answer from. 
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