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3 years ago

¿Cuál (es) de las siguientes sumas es(son) iguales a 1? (todos los numeros despues de la coma tienen una linea abajo)

Mathematics

1 answer:

Elis [28]3 years ago

8 0

Answer:

Step-by-step explanation:

0.36 + 0.64 = 1

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**A rock dropped from a 100 foot tower.

mars1129 [50]

Answer:

2.83 s

Step-by-step explanation:

We are given that

$h(t)=-16t^2+10t+100$

When a rock reached the ground then h(t)=0

$-16t^2+10t+100=0$

$16t^2-10t-100=0$

Using quadratic formula

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

$t=\frac{10\pm\sqrt{(-10)^2-4\times 16\times (-100)}}{2(16)}$

$t=\frac{10\pm\sqrt{100+6400}}{32}$

$t=\frac{10+\sqrt{6500}}{32}=2.83$

$t=\frac{10-\sqrt{6500}}{32}=-2.2$

Time cannot be negative .Therefore, negative value of t can not be possible.

Hence, the rock takes 2.83 sec to reach the ground.

8 0

4 years ago

Quintin read a report claiming that 4% of police officers in the US have had a formal complaint filed

Alex73 [517]

Answer:

A, B, C

Step-by-step explanation:

Got it right on khan academy

4 0

3 years ago

Mile is obsessed with her new book she started. She read 185 pages in 2 days. If she keeps up this pace about how many pages wil

inna [77]

Answer:

462.5 pages

Step-by-step explanation:

You find out how many books she reads in 1 day then you can multiply it by 5 to get 5 days.

If she reads 185 in 2 days. Divide 185 by 2 to get 1 day.

185/2 = 92.5 pages

Now multiply 92.5 by 5 to get how many pages she read after 5 days.

92.5 x 5 = 462.5 pages

8 0

3 years ago

The sum of three consecutive odd numbers is 69. What is the biggest number?

ohaa [14]

Answer:

25 is the answer

Step-by-step explanation:

21 23 25

6 0

3 years ago

What is............What is 60% of 1200

butalik [34]

Answer: $720$

<u>Multiply</u>

60%×1200=720

Note: When finding the percent of a number always multiply the percent times the number.

5 0

3 years ago

Read 2 more answers