C I think................
We can figure out how many times a heart beats in one minute (so we can figure out how many minutes it will take for 140 times) by dividing 700 by 10. This gives us 70. Now we know that a heart beats 70 times each minute. Now we know it would take 2 minutes for a heart to beat 140 times because 70×2=140.
Two minutes is the answer.
Answer:
C and D
Step-by-step explanation:
You multiply the first two numbers and add the exponents of the second two while keeping the base number. I'm 99.9% sure. I hope this helps!
The impact of Plessy v. Ferguson, a Supreme Court decision made in 1896. The Court ruled on the concept of 'separate but equal' and set back civil rights in the United States for years to come. Plessy v. Ferguson<span> enabled 'separate but equal,' aka </span>segregation<span>, to become a law in the United States. After this, </span>Jim Crow laws<span>, which were a system of laws meant to discriminate against African Americans, spread across the U.S. For years, any type of public facility could be legally separated into 'whites only' and 'blacks only.' </span>
Answer:
A: No
B: Yes
C: Yes
D: No
Step-by-step explanation:
A: Navy is obviously the bigger ratio so A is wrong
B: If you multiply both values by 18 you get the 3:1 ratio
C: If you Multiply both values by 5, you get the 3:1 ratio
D: Like A, Navy is always going to be bigger so D is wrong