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Mamont248 [21]
3 years ago
5

Express this number in scientific notation. 0.15880.1588

Mathematics
1 answer:
umka2103 [35]3 years ago
5 0

Answer: 1.588×10−1 (The negative one is small on the top right of the 10)

Step-by-step explanation: Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

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Solve for u.<br> 9u+16=7(u+2)<br> Simplify your answer as much as possible.<br> U=
Anon25 [30]

Answer:

u=-1

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The beginning inventory at cost is $80,000.00 and at retail is $100,000.00. Purchases at cost are $160,000.00 and the retail val
DaniilM [7]

Cost of goods available for is equal

80000+160000=240000

Retail value is equal

100000+200000=300000


This means that the cost of goods sold is 80% (240000÷300000) and gross profit is 20%


Sales= 250000 and it's cost is equal 200000 (250000×0.8)


Ending inventory

=240000-200000=40000...answer


Hope it helps!



6 0
4 years ago
One integer is 5 more than another. Their product is 234. Find the integers?
marishachu [46]
X(x+5)=234
x^2 +5x=234
x^2+5x-234=0

Factor:
x^2+5x-234
(x-13)(x+18)

the integers are 13 and 18.
3 0
3 years ago
I need help solving this plz
Mamont248 [21]
We can rewrite cot(45^{\circ}+2\theta) as tan(90^{\circ}-(45^{\circ}+2\theta) \Rightarrow cot(45^{\circ}+2\theta) equals to tan(45^{\circ}-2\theta).

Now we need to take an arctan of both sides.

\theta = 45^{\circ}-2\theta+180n^{\circ}&#10;\\3\theta = 180n^{\circ}+45^{\circ}&#10;\\\theta = 60n^{\circ}+15^{\circ}&#10;\\\theta = 15^{\circ}

Your answer is 15^{\circ}.
8 0
4 years ago
WILL MARK BRAINLIEST What is the solution to the system of equations represented by the two equations? <img src="https://tex.z-d
11111nata11111 [884]

Answer:

x=3, y =2

(3,2)

Step-by-step explanation:

y =2/3 x

y = -2/3 x +4

set them equal to each other  y=y

2/3 x = -2/3 x + 4

add 2/3 x to each side

2/3 x+2/3x = -2/3x + 2/3 x + 4

4/3 x = 4

multiply by 3/4 on each side to clear the fraction

3/4 * 4/3 x = 3/4 * 4

x = 3


now we need to find y

y = 2/3 x

y = 2/3 * 3

y =2

7 0
3 years ago
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