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WINSTONCH [101]
3 years ago
7

What is 30,000 expressed in scientific notation?

Mathematics
2 answers:
Troyanec [42]3 years ago
6 0
It’s b !!!!!!!!!!!!!!!!!!!!!!!!!
4vir4ik [10]3 years ago
3 0

Answer:

B

Step-by-step explanation:

Hope this helps : )

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Two airplanes, which start 3{,}3003,3003, comma, 300 miles apart, fly toward each other. The two planes fly at a constant speed,
castortr0y [4]

Answer:

distance=rate*time

2520=(r)(3)+(r+90)(3)    (they both travel for 3 hours)

2520=3r+3r+270

2520-270=6r

2250=6r

r=2250/6

r=375 mph

r+90=375+90=465 mph

Step-by-step explanation:

4 0
2 years ago
8^2 x (2+6) / 4<br>solve
Softa [21]

Answer:

8^2\times \frac{\left(2+6\right)}{4}

\frac{\left(2+6\right)}{4} = 8/4 = 2

8^2 \times 2 =

64 x 2 =

128.

3 0
2 years ago
What is the answer for this MATH PROBLEM???<br>please explain how you got the answer, thank you
erma4kov [3.2K]
The answer is e, 3 3/4

if you add 3/4+3/4+3/4+3/4+3/4 (five times for the five batches), or did 3/4 * 5, you would get 15/4, which simplifies to 3.75, or 3 3/4
7 0
2 years ago
Write a standard form of a quadratic equation that has roots - 5/2 and 3.
lora16 [44]

Answer:

2x^2 - x - 15 = 0.

Step-by-step explanation:

In factor form this is

(x + 5/2)(x - 3) = 0

x^2 + 5/2x - 3x  - 15/2 = 0

x^2 - 1/2x - 15/2 = 0

Multiply through by 2:

2x^2 - x - 15 = 0.

6 0
3 years ago
Adding&amp;subtracting equations x-10=12
Colt1911 [192]
Answer:22
x-10=12
x= 10+12
x=22
8 0
2 years ago
Read 2 more answers
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