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LekaFEV [45]
3 years ago
8

Can someone plz help me with this one problem plzzzzz I’m being timed!!!!

Mathematics
1 answer:
MaRussiya [10]3 years ago
8 0

Answer:

2:28

3:42

4:56

5:70

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Please help check if this is correct?
Likurg_2 [28]

Answer:

50 is correct

Step-by-step explanation:

did my math but I know you need it quick so sorry for brief answer

4 0
3 years ago
Find a degree 4 polynomial having zeros -8,-1,4 and 5 and the coefficient of x^4 equal 1.
Keith_Richards [23]

Answer:

  x^4 -53x^2 +108x +160

Step-by-step explanation:

If <em>a</em> is a zero, then (<em>x-a</em>) is a factor. For the given zeros, the factors are ...

  p(x) = (x +8)(x +1)(x -4)(x -5)

Multiplying these out gives the polynomial in standard form.

  = (x^2 +9x +8)(x^2 -9x +20)

We note that these factors have a sum and difference with the same pair of values, x^2 and 9x. We can use the special form for the product of these to simplify our working out.

  = (x^2 +9x)(x^2 -9x) +20(x^2 +9x) +8(x^2 -9x) +8(20)

  = x^4 -81x^2 +20x^2 +180x +8x^2 -72x +160

  p(x) = x^4 -53x^2 +108x +160

_____

The graph shows this polynomial has the required zeros.

4 0
3 years ago
jack wants to paint his walls. two walls are 12 ft by 8 ft and two walls are 10 ft by 8 ft. what is the area to be painted? if o
Ksivusya [100]

Answer:

352 ft (squared)  , he will need 12 paint cans

Step-by-step explanation:

Two 12 by 8ft walls = 192 ft in area, Two 10 by 8ft walls = 160 ft in Area, that equals 352 ft total, 352/30=11.73 repeated, round up to 12

4 0
2 years ago
Find the least common multiple of 10,15,25 please no links or photo​
sergey [27]

Answer:

150

Step-by-step explanation:

The LCM of 10,15,25 10 , 15 , 25 is 2⋅3⋅5⋅5=150 2 ⋅ 3 ⋅ 5 ⋅ 5 = 150 .

6 0
3 years ago
What is the greatest common factor of 38 and 59
Alenkasestr [34]
Factors of 38

1, 2, 19, 38
------------------
1×38
2×19

Factors of 59

1, 59
------------------

Common factors for 38 and 59

1 is the only common factor
------------------

GCF of 38 and 59

1 is the both the common and GCF of 38 and 59



4 0
3 years ago
Read 2 more answers
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