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2 years ago

Plz help asap i need it by 10pm

Mathematics

1 answer:

lions [1.4K]2 years ago

6 0

-26 because negative subtract

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(solve the following problem using integers. show ALL your work.)

yulyashka [42]

Answer:

Step-by-step explanation:

30+20=50

50-48=2

2+20+=22

22-18=4

if she has 30 then gets 20 she has 50. Then she spends 48 dollars leaving her with only 2 dollars. She then makes another 20 dollars so she now has 22 dollars. She spends 18 dollars leaving her with 4 dollars.

8 0

2 years ago

There are two twins. One twin wants to explore the planet near Proxima Centauri and leaves on a spaceship traveling at 90% of th

miskamm [114]

Answer:

<em>4.7 years</em>

Step-by-step explanation:

Distance of planet from Earth = 1.3 parsec

We know that 1 parsec = 3.26 light years

And a light year is the distance traveled by light in time period of 1 year.

So, Distance of planet from Earth = 1.3 $\times$ 3.26 = 4.24 light years

Given that, the person travels at a speed equal to 90% of the light speed.

To travel to the planet from Earth, Light takes 4.24 years.

To travel the distance $D$ , at a speed $s$ light takes time of 4.24 years.

To travel the distance $D$ , at a speed $0.90s$ , the person takes time:

$\dfrac{4.24}{0.90} = \bold{4.7\ years}$

So, the twin on Earth ages by <em>4.7 years.</em>

7 0

2 years ago

How many months old is Paula?

oksano4ka [1.4K]

Answer:

we cant just tell that. we need numbers. and problems.

Step-by-step explanation:

8 1

2 years ago

Does anyone know this?

monitta

The answer should be 101.

8 0

2 years ago

Read 2 more answers

To use Long Division of Polynomials to verify that x = a/b is a zero on a polynomial function P(x), the divisor would be

Strike441 [17]

Answer:

D) bx - a

Step-by-step explanation:

If a/b is a zero, then (x -a/b) is a factor of the polynomial. That is, the value x=a/b will make a factor of the polynomial be zero.

The above factor can be written without fractions by multiplying it by b:

(bx -a) . . . . matches choice D

You can also choose the answer on the basis of which expression becomes zero when x=a/b.

4 0

2 years ago