3 years ago

(5 x 10^4) (9.46 x 10^12) in scientific notation

Mathematics

1 answer:

Alina [70]3 years ago

3 0

Answer:

2.2704*10 hope it helps

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[x + 3y = -4] [2x + 6y = 5]

stealth61 [152]

Step-by-step explanation:

x+3y=-4(eqn1)

x=-4-3y

from (eqn 2)

2(-4-3y)+6y=5

-8-6y+6y=5

y=5+8=13.

y=13

from eqn 1

x+3(13)=-4

x+39=-4

x=-4-39

x=-43.

3 0

3 years ago

If yo travel56mph how far will you go in2hr15min how long does it take to cover 168 miles

Alex73 [517]

2 hr 15 min = 2 $\frac{1}{4}$ hours = 2.25 hours
"how far" means distance ... so distance = rate x time
distance = 56 x 2.25 = 126 miles

"how long" means time ... so using the same formula
168 = 56 x time
divide both sides of the equation by 56 to solve
3 hours = time

5 0

3 years ago

The difference of 21 and 16

pogonyaev

Answer:

Step-by-step explanation:

i think

6 0

3 years ago

a right triangle has legs measuring 4.5 meters and 1.5 meters the lengths of the legs of a second triangle are proportional to t

MrRa [10]

One approach that might be a great help would be if you would look
at the choices ... those things at the bottom of the question that you
didn't give us.

-- One leg is 3 times the length of the other leg.

-- Any right triangle that has one leg three times as long as the other
leg is similar to this triangle.

I'll bet that if you look through the choices, you'll find one there.

8 0

3 years ago

Read 2 more answers

Nate has an account that pays 2. 76% simple interest per year and wants to accumulate $3,090 in interest from it over the next 1

lana66690 [7]

We have given that,

interest rate = 2.76%

simple interest = 3,090

term = 15 years

<h3>What is the principle of simple interest?</h3>

$Simple Interest = Principal * interest rate * term$