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AleksandrR [38]
3 years ago
12

How do you write 5.8 x 10 -4 in standard form

Mathematics
1 answer:
Misha Larkins [42]3 years ago
4 0
Move the decimal point 4 times to the left
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If f(x) = 3(x+ 5) +4/x, what is f(a+2)?
Eduardwww [97]

Answer:

B. 3(a + 7) + 3/(a + 2)

Step-by-step explanation:

Just substitute (a+2) in for every (x) in the equation:

f(a + 2) = 3 ((a + 2) + 5) + 4/(a+2)

           = 3 (a + 7) + 4/(a+2)

4 0
3 years ago
How do you use the law of cosines or law of sines if you are given a=13 m, b=8.5 m, and c=9 m?
Rus_ich [418]
The law of cosines is 
c= square root of a^2 + b^2 - 2ab cos c

the law of sines is
a = b(sin a /sin b)
3 0
3 years ago
A stack of 6 gift boxes is 12.36 inches high. What is<br> the height of 32 gift boxes?
Rom4ik [11]

Answer:

Step-by-step explanation:

Discussion

6 gift boxes are 12.36 inches high

32 gift box are x inches high

This is a proportion question. A proportion is made of 2 equal ratios. If you know 3 parts of the proportion, you can solve for the 4th,

6/32 = 12.36/x                Cross multiply

6x = 12.36 * 32               Combine the right.

6x = 395.52                    Divide by 6

6x/6 = 395.52/6

x = 65.92

Answer: 65.92

Note

Using a proportion saves you the trouble of finding 1 box and multiplying whatever number you get by 32

3 0
2 years ago
$1200 are invested for three years at 6% compound interest.
tensa zangetsu [6.8K]

Answer:

I think its A 1200

Step-by-step explanation:

5 0
3 years ago
A total of 267 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student t
Anestetic [448]

Answer:

the number of adult tickets sold is

x = 89

and , the number of student tickets sold is y = 178

Step-by-step explanation:

Let the number of adult tickets sold be x and number of student tickets sold be y !

<em><u>Given</u></em><em><u>,</u></em><em><u> </u></em><em><u>:</u></em><em><u>-</u></em><em><u> </u></em> Total 267 tickets were sold

i.e, x + y = 267

x = 267 - y .... ( i )

Also, The number of student tickets sold was two times the number of adult tickets sold.

i.e, y = 2x ...... ( ii )

putting value of x from ( i ) in ( ii )

y = 2 ( 267 - y )

y = 534 - 2y

3y = 534

y = 534/3

y = 178

also, x = 267 - y

x = 267 - 178

x = 89

So, the number of adult tickets sold is

x = 89

and , the number of student tickets sold is y = 178

8 0
3 years ago
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