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Assoli18 [71]
3 years ago
12

Please help me I’m not good at math please and thanks

Mathematics
1 answer:
mr_godi [17]3 years ago
8 0

Answer:

=-27

Step-by-step explanation:

2(2)+3(3-4(5))+10(2)

4+9-60+20

13-60+20

-47+20

-27

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2 years ago
Triangle FGH is similar to JKM.
mario62 [17]

Answer: J = 14.4 cm

Step-by-step explanation:

<em>K is similar to G</em>

So we can find the scale that FHG was dilated by dividing the side length of G by the side length of K

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So the sides of the triangle KMJ were multiplied by a factor of 1.8

to find m :

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2 years ago
Area of triangular base from the following prism
8_murik_8 [283]

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
4. Stella says the equation x^2−8x+y^2+2y=5 has a center of (4,−1) and a radius of 5. Is she correct? Why or why not?
Ostrovityanka [42]
<h2>Stella is correct about center and wrong about radius      </h2>

Step-by-step explanation:

Equation of circle with (h,k) as center and radius r is given by,

          (x-h)²+(y-k)² = r²

Here equation is

          x²−8x+y²+2y=5

Changing in to (x-h)²+(y-k)² = r² form

           x²−8x + 16 - 16 +y²+2y+1 - 1=5  

           (x-4)² - 16 + (y+1)² -1 = 5

           (x-4)²  + (y+1)²  = 22

           (x-4)²  + (y+1)²  = 4.69²

           Center is (4,-1) and radius is 4.69

Stella is correct about center and wrong about radius            

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2 years ago
How long will it take a seal swimming at a speed of 8 miles per hour to travel 52miles
Soloha48 [4]
It will take the seal 6.5 hours to swim 52 miles.
3 0
3 years ago
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