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Paladinen [302]
3 years ago
12

PLEASE HELP WILL GIVE BRAILEST TO CORRECT ANSWER!!!!

Mathematics
1 answer:
larisa86 [58]3 years ago
3 0

Answer:

opps type miss

Step-by-step explanation:

miss type

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(5x² - 8x + 1) + (2x2 - 4x - 11)
Y_Kistochka [10]

Answer:

7x^2 −12x−10

Step-by-step explanation:

 ((5x2 -  8x) +  1) +  (2x2 - 4x - 11)

Factoring  7x2-12x-10

The first term is,  7x2  its coefficient is  7 .

The middle term is,  -12x  its coefficient is  -12 .

The last term, "the constant", is  -10

Step-1 : Multiply the coefficient of the first term by the constant   7 • -10 = -70

Step-2 : Find two factors of  -70  whose sum equals the coefficient of the middle term, which is   -12 .

     -70    +    1    =    -69

     -35    +    2    =    -33

     -14    +    5    =    -9

     -10    +    7    =    -3

     -7    +    10    =    3

     -5    +    14    =    9

     -2    +    35    =    33

     -1    +    70    =    69

Observation : No two such factors can be found !!

Conclusion : Trinomial can not be factored

3 0
3 years ago
The ratio of the radii of two distinct spheres is 3:4. what is the ratio of their respective surface areas?
Naya [18.7K]

Hey , here is the answer to ur question.....!
Given: Radii is in the ratio 3:4
To find : ratio of Surface area of the two distinct spheres
Solution: Surface area of a sphere =4* pi *r^2
=>(3/4)^2=9/16
Therefore , the ratio of the areas of teh two distinct spheres=9:16
Hope this helps u!!!!!!.........

7 0
3 years ago
Simplify the following expression by combining like terms. Select the most simplified expression: m + 2m + 3m + m +3m
Ksivusya [100]

Answer:

10m

Step-by-step explanation:

............................

3 0
3 years ago
What variable do we use for slope? A.x B.y C.m D.b
Nady [450]

Answer:

y we use y

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Write 5/8 as a percent <br><br>A) 62.5%<br>B) 58%<br>C) 85%<br>D) 12.5%
Leno4ka [110]
A) 62.5%

5 divided by 8 is 0.625, then multiply by 100 to get 62.5 :)
5 0
3 years ago
Read 2 more answers
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