MATH hw help!!!!!!!!!!!!!!!!!!!!!!!!!!!!

1 answer:

4 0

"Bucket method"
.. (4)*(14%) + (x)*(8%) = (4 +x)*(10%) . . . . . liters and % are in each "bucket"
.. 56 +8x = 40 +10x . . . . . multiply by 100, eliminate parentheses
.. 16 = 2x . . . . . . . . . . . . . . add -40-8x, then divide by 2
.. 8 = x

8 liters of 8% lemonade should be added to make the mixture 10% lemon juice.

You might be interested in

Whats the value of x

fiasKO [112]

Answer:

x=14

Step-by-step explanation:

you should set up your problem like this:

5x=3x+28

use order of operations aka PEMDAS to solve

you're answer is 14

8 0

2 years ago

A method currently used by doctors to screen patients for a certain type of cancer fails to detect cancer in 15% of the patients

Novosadov [1.4K]

Answer:

A technique presently used through docs to display screen ladies for breast most cancers fails to observe most cancers in 15% of the girls who without a doubt have the disease. A random pattern of eighty girls acknowledged to have breast most cancers are to be screened the use of a new technique that researchers suppose will be capable to realize most cancers greater accurately. At the 0.05 stage of significance, the researchers will be capable to conclude that the new approach is higher than the present day one if the fantastic.

Answer::: greater than 1.645

8 0

3 years ago

5x+5=1/2x-4 , what is x

melomori [17]

The answer is x = -2. The steps are in the image below.

Hope this helps!!!!!!!!

Please give me brainliest!!!!!!!!!!!