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satela [25.4K]
3 years ago
5

Help pls with 10 and 11

Mathematics
1 answer:
Alex3 years ago
6 0
10
A) 24 ribbons

B)1/28yards

11.u have 1/2 how?

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Adam went to the store to buy some
svlad2 [7]

Answer:

Adam payed $4.25 for 5 lbs of walnuts.  The equation for this is 5.75p-4.50

Step-by-step explanation:

The reason this is the eqaution is because 5.75 is the price per pound. "p" represents how many pounds and -4.50 is the coupon.

7 0
3 years ago
What substitution should be used to rewrite 6(x + 5)2 + 5(x + 5) – 4 = 0 as a quadratic equation? u = (x + 5) u = (x – 5) u = (x
Pachacha [2.7K]
6(x+5)² + 5(x+5)-4 = 0

(x+5)(x+5) = x(x+5)+5(x+5) = x² + 5x + 5x + 25 = x² + 10x + 25

6(x²+10x+25) + 5(x+5) - 4 = 0
6x² + 60x + 150 + 5x + 25 - 4 = 0
6x² + 60x + 5x + 150 + 25 - 4 = 0
6x² + 65x + 171 = 0

<span>u = (x + 5)</span>
5 0
3 years ago
Can someone answer this question if you know the answer.
timama [110]

Answer:

It's C

Step-by-step explanation:

8 0
3 years ago
One kilogram of cheese costs £9.68
Alex Ar [27]

6.292

1kg=9.69

1000g=9.68

650= 9.68/1000x650=0.00968x650

=£6.292

8 0
3 years ago
A construction company was contracted to build a cylindrical storage tank with a diameter of 48 feet and height of 25 feet. Just
Mrrafil [7]
V=hpir^2
d/2=r

so, at first, diameter is 48ft
48/2=24ft is radius
height is 25ft

so volume=25pi24^2 or 14400pi cubic feet

max of 9ft

if we want 9ft height
find r
hmm

14400pi=9pir^2
divide both sides by 9pi
1600=r^2
sqrt both sides
40=r
2r=d
2(40)=80=d

the new diameter is 80ft
8 0
3 years ago
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