All categories

2 years ago

HELP POINTS A LOt! BRAINLIEST!

Mathematics

2 answers:

juin [17]2 years ago

7 0

If you were to add the two numbers you would get 2 1/2 so the answer would be 2 1/2 hours altogether.

Natasha2012 [34]2 years ago

3 0

Answer:

Hi! spread this message around, its good omen!

Step-by-step explanation:

You might be interested in

X^2 + 9x + 5 x − 2 for x = 5.

Citrus2011 [14]

Answer: 93

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Why is the answer A? Plz explain.

emmasim [6.3K]

Answer:

Step-by-step explanation:

the answer cannot be 5. Why? Because the minimum will occur when 12 and 5 point in opposite directions like both are on the x axis pointing to 0 from the east and pointing to zero coming from the west.

12 - 5 = 7

You cannot get a result less than that.

4 0

2 years ago

The sum of two numbers is 44. One number is 3 times as large as the other. What are the numbers?

jok3333 [9.3K]

Your numbers are 11 and 32

We know that:
a + b = 44
and
a = 3b

If we substitute “3b” in for a in the first equation, we get a numerical value for b

3b + b = 44
4b = 44
b = 11

Then we substitute the numerical value of b to solve for a:
a = 3b
a = 3(11) = 33

8 0

2 years ago

F(x)=x²-3 tell whether the function is quadratic or not?

Misha Larkins [42]

Answer:

state whether this function is quadratic? why or why not?

f(x) = - 3(x - 2)(x + 3)(x + 5)

7 0

2 years ago

A set of twins, Andrea and Courtney, are initially 10 years old. While Courtney remains on Earth, Andrea rides on a spaceship th

SVETLANKA909090 [29]

The initial age of 10 years and the spaceship speed of 0.60•c, gives the Andrea's age at the end of the trip as 18 years.

<h3>How can Andrea's new age be calculated?</h3>

The time dilation using the Lorentz transformation formula is presented as follows;

$t' = \frac{t}{ \sqrt{1 - \frac{ {v}^{2} }{ {c}^{2} } } }$

From the question, we have;

The spaceship's speed, <em>v</em> = 0.6•c

∆t = Rest frame, Courtney's time, change = 10 years

Therefore;

$\delta t' =\delta t \times \sqrt{1 - \frac{ {(0.6 \cdot c)}^{2} }{ {c}^{2} } } = 8$

The time that elapses as measured by Andrea = 8 years

Andrea's age, <em>A</em>, at the end of the trip is therefore;

A = 10 years + 8 years = 18 years

Learn more about the Lorentz transformation formula here:

brainly.com/question/15544452

#SPJ1

3 0

1 year ago