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Step2247 [10]
3 years ago
8

Write 0.0000055 in scientific notation

Mathematics
1 answer:
Feliz [49]3 years ago
3 0

Answer:

(b) 5.5 × 10^-6

Step-by-step explanation:

hope if helps

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Radda [10]
The answer is : multiply 5
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3 years ago
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Judy pays $29 for 8 gallons of gas and 2 bottles of water. Carmen pays $45 for 12 gallons of gas and 4 bottles of water. How muc
Dmitry [639]
G=gas
w=bottle of water

8g + 2w = 29
12g + 4w = 45
I'm going to use elimination to cancel out the variable w by multiplying the first equation by -2.

-16g - 4w = -58
12g + 4w = 45
-4g = -13
/-4 /-4
g = 3.25

Now plug it into an equation, any equation.
8 (3.25) + 2w = 29
26 +2w=29
w=1.5
Now to check, plug it into both equations if you want.

12 (3.25) + 4 (1.5)=45
39 + 6=45

One bottle of water is $1.50, while one gallon of gas is $3.25.
5 0
3 years ago
Is the negative square root of 9 rational or irrational ​
Nana76 [90]

Answer:

Rational

Step-by-step explanation:

-9 is rational because 9 is a perfect square and all perfect squares are rational.

6 0
3 years ago
Iris has 120 songs on her play list. Each week she downloads 4 song. Write an expression to show the total number of songs on Ir
Leya [2.2K]

Answer:

120 divided by 4 is w

Step-by-step explanation:

8 0
3 years ago
The drama club is selling T-shirts and caps to raise money for a spring trip. The caps sell for $5.00 each, and the T-shirts sel
Zinaida [17]

The required inequality is 5x+10y\geq 500

<em><u>Solution:</u></em>

Given that,

Cost of 1 cap = $ 5

Cost of 1 t-shirt = $ 10

Let "x" be the number of caps sold

Let "y" be the number of t-shirts sold

The drama club needs to raise at least $500.00 for the trip

Based on this information, we can frame a inequality as:

number of caps sold x cost of 1 cap + number of shirts sold x cost of 1 shirt \geq 500

Which means,

x \times 5 + y \times 10\geq 500\\\\5x + 10y\geq 500

Here we used "greater than or equal to" symbol , because club needs to raise at least $ 500

They can raise 500 or more than $ 500 also

Thus the required inequality is 5x+10y\geq 500

8 0
3 years ago
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