Is math real? I feel like it doesn't exist.

Mathematics

1 answer:

Dafna11 [192]3 years ago

7 0

Answer:

it does also can you help me with my question it is on my page. it is due tomorrow and i need help

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Original price is 150 new price 189 what is the percent

viktelen [127]

Answer:

The percent is 26%

Step-by-step explanation:

189 divided by 150 is 1.26 but since the original price is $150 the percent is 100% and 189 is 126% so the percent difference is 26%.

4 0

3 years ago

SHOW WORK PLS.<br> y = x ^ 2 - x - 11<br> y = - x - 7<br> solve by substitution!

slava [35]

X^2-x-11=-x-7
X^2-11=-7
X^2=4
X=2 (4 was reduced to 2 after the equation was square rooted)
Pls give brainliest so close to ranking up

3 0

2 years ago

PLEASE PLEASE HELP

noname [10]

Answer:

$8.51x10^{-3}cm$

Step-by-step explanation:

In order to add or subtract numbers in scientific notation, the powers of ten must have the same exponent. In this caes the diameter of an average human body cell is a power of -4 and the diameter of a plant cell is a power of -3. In order to add them, we can move the decimal over for the body cell diameter:

$5.1x10^{-4}=0.51x10^{-3}$