3 years ago

How do you make 'a' the subject of the formula: ab - cd = ac

Mathematics

1 answer:

ad-work [718]3 years ago

8 0

Make a the subject of the formula: ab-cd=ac hope this helps
Good luck.

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Frank bought 791 acres of land for a housing development. If 41 acres of his purchase is reserved for a park, how many five-acre

GalinKa [24]

To solve the question, first we will subtract 41 from 791, and we will get 750. Next, we can divide by 5 to figure out how many lots are for purchase, and we get 150! There are 150 five-acre lots available!

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4 years ago

Solve for x. use the completing the square method. x^2+8x=5

jok3333 [9.3K]

$x^2+8x=5$

$x^2+8x + ( \frac{8}{2} )^2 =5 + (\frac{8}{2} )^2$

$x^2+8x + (4)^2 =5 + (4)^2$

$(x+ 4)^2 =21$

$x+ 4 = \pm \sqrt{21}$

$x = \sqrt{21} - 4 \ or \ x= -\sqrt{21} - 4$

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3 years ago

Chris went to the store to purchase 4.5 gallons of milk. When he got to the store, he noticed that the milk was no longer sold i

erastovalidia [21]

About 20 liters( I rounded based on the rules for multiplying significant figures)

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3 years ago

Read 2 more answers

Please help me with number 19

eimsori [14]

The new equation will be (x-1)² + (y-18)²=36

2) x²+y²+6x+12y=4
(x²+6x+?)-(?) + (y²+12y +??) -(??)=4

(x²+6x+9)-(9) + (y²+12y +36) -(36)=4
(x+3)² - 9 + (y+6)² - 36 = 4

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6 0

3 years ago

I need help figuring out the answer …

Romashka-Z-Leto [24]

Answer:

0.027

Step-by-step explanation

If s = 0.3, and s is being cubed, that's the same as 0.3 cubed

Cubed just means to the third power.

So that mean o.3 cubed is the same as (0.3)(0.3)(0.3)

Therefore, the answer is 0.027

3 0

2 years ago