2 years ago

Someone please help me!!

1 answer:

3 0

For part 2, you would use 3 thousands, as that is the biggest amount possible so far. The, you would use 1 ten [instead of 16 ones] and then 6 ones bacuse that is the smallest amount.

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When 5 is subtracted from the square of a number, the result is 4 times the number. Find the negative solution.

wariber [46]

Answer:

-1

Step-by-step explanation:

You can write it as...

$x^{2} -5=4x$

Carry the 4x

$x^{2} -4x-5=0$

Then use the quadratic formula to solve, since you want to find the negative solution, you don't need to find the positive solution, so we will have

$(4-\sqrt{16+20}) /2=\frac{4-6}{2}=\frac{-2}{2} =-1$

Therefore our answer is -1

8 0

2 years ago

Please help picture included!!

Triss [41]

I think the answer is C

8 0

3 years ago

The equation y=4x+4 estimates the number of U.S. households, in millions, expected to install devices that receive and manage br

Pepsi [2]

Answer:

X ≥9 years after 2009.

Step-by-step explanation:

Y=4x+4

Y-4=4x

X=(Y-4)/4

Y=number of U.S. households, in millions.

Y≥40

Y-4≥36

(Y-4)/4≥9

So, X≥9.

7 0

2 years ago

Four friends bought 2 pizzas and 4 large soft drinks. They shared the cost equally. Each pizza cost

valina [46]

Answer:

$7.85

Step-by-step explanation:

2 pizzas at 11.99=23.98

4 soft drinks at 1.85=$7.40

23.98+7.40=31.38

31.38/4=7.845

Each friend pays $7.845, or $7.85 .........

7 0

2 years ago

7/12-9/8(2x-1)-5/6(3x+2)

butalik [34]

7/12-9/8(2x-1)-5/6(3x+2)=0
(7*2-9(2x-1)*3-5(3x+2)*4)/24=0
(14-9(2x-1)*3-5(3x+2)*4)/24=0
(14-27(2x-1)-20(3x+2)/24=0
(14-54x+27-60x-40)/24=0
(14+(-54x-60x)+27-40)/24=0
(14-114x+27-40)/24
(-144x+1)/24=0
-114x+1=0
-114x=-1
x=1/144

4 0

2 years ago