3 years ago

I need help on this home work

Mathematics

1 answer:

ZanzabumX [31]3 years ago

8 0

B is the correct answer

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What is the solution to (3 x 102)x(5 x 105) written in scientic notation

fiasKO [112]

Answer:

1.5 + 10^8.

Step-by-step explanation:

(3 x 10^2) x (5 x 10^5)

= 3 x 5 * 10^2 x 10^5

= 15 x 10^(2 + 5)

= 15 x 10^7

= 1.5 + 10^8.

3 0

3 years ago

2x-y=8<br>x+2y=4<br><br>for the system of equation above, what is the value of x+y?

inysia [295]

2x+10y I thinks that’s the answer mb

3 0

3 years ago

Read 2 more answers

Which of the following lists is in order from smallest to largest?

Sergeu [11.5K]

Answer:

the first

Step-by-step explanation:

because it's common sense you can obviously see.

3 0

4 years ago

I NEED A QUICK ANSWER PLEASE HELP

dexar [7]

I think the answer is 325

5 0

4 years ago

Read 2 more answers

Anyone know the answer??

Serggg [28]

Answer:

the second option

Step-by-step explanation:

in ax²+bx+c = 0:

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

subtract both sides by 6 to get to this form, as the right side will be left with 0

6x² + 8x - 6 = 0

here, the coefficient for x² (a) is 6, the coefficient for x (b) is 8, and the remaining number added on (c) is -6

plugging our numbers into the formula, we get

$x = \frac{-8+-\sqrt{(-8)^2-4(6)(-6)} }{2(6)}\\= \frac{-8+-\sqrt{64-(-144)} }{12} \\= \frac{-8+-\sqrt{208} }{12} \\ = \frac{-8+\sqrt{208} }{12} or \frac{-8-\sqrt{208} }{12}\\= 0.53518375848 or -1.86851709182\\= approximately -1.87, 0.54$

8 0

2 years ago

I need help on this home work​

I need help on this home work