2 years ago

Three desks and a bookcase together weigh 157Ib the bookcase weighs 34Ib how much does each desk weigh

1 answer:

5 0

Desk weight = d
Bookcase weight = b
b = 34
3d + b = 157
3d + 34 = 157
D = 41

You might be interested in

g100num [7]

36 as each ratio is 12

3 0

2 years ago

omeli [17]

The answer is 6

Explaination:

7 0

3 years ago

valentina_108 [34]

(8,-5/2) or (8,-2.5)

(7,2) (9,-7)

9+7 -7+2

2 2

16 -5

2 2

(8, -5/2) or (8,-2.5)

7 0

2 years ago

Lubov Fominskaja [6]

I’m pretty sure the answer is 12 he can buy 12 raffle tickets hope it helps

5 0

2 years ago

olga2289 [7]

Answer:

f(x) = $3x^{3} - 6x^{2} - 15x + 30$

Step-by-step explanation:

If $\sqrt{5}$ is a root, then so is - $\sqrt{5}$

f(x) = 3(x + $\sqrt{5}$ )(x - $\sqrt{5}$ )(x - 2)

= $3(x^{2} - 5)(x - 2)$

= 3( $x^{3} - 2x^{2} - 5x + 10$ )

= $3x^{3} - 6x^{2} - 15x + 30$

4 0

2 years ago