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patriot [66]
3 years ago
9

.

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0

Answer:

14.8 kg

Step-by-step explanation:

Density = Mass / Volume

9.86 g/cm3  = Mass / 150 cm3

Mass = 9.86 x 150 = 1479 g

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3.<br> a)<br> Solve for x:<br> (x - 2)2 = 16
liq [111]

Answer:

x = 10

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 2 • (x - 2) -  16  = 0

Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

  2x - 20  =   2 • (x - 10)

Equation at the end of step  3  :

 2 • (x - 10)  = 0

Step  4  :

Equations which are never true :

4.1      Solve :    2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

4.2      Solve  :    x-10 = 0

Add  10  to both sides of the equation :

                     x = 10

One solution was found :

                  x = 10

Processing ends successfully

plz mark me as brainliest :)

4 0
4 years ago
Read 2 more answers
A $50 watch was marked up to $60. What is the markup rate? Is it an increase or decrease?
makvit [3.9K]

It's increasing cause it's going higher if it's decreasing it's going lower

3 0
3 years ago
Read 2 more answers
I really need help with #2 please
stepladder [879]

False

True

False

False

5 0
4 years ago
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The note A has a frequency of 1,760 hertz. The note D has a period of 1,175 hertz. Find theratio of A to D to two decimal places
valina [46]

Ratios

Note A has a frequency of

fa=1,760 Hz

Note D has a period of 1,175 hertz

(the previous data should be frequency, not period)

We are required to find the ratio of A to D. Let's call it r:

r=\frac{1,760^{\prime}}{1,175}

Dividing: r = 1.4978. Rounding to two decimal places:

r = 1.50

Now to express the answer in integer ratio form, we need to simplify the fraction.

First, we divide by 5 up and down:

r=\frac{352^{\prime}}{235}

There are no more common divisors for both numbers, thus the integer ratio form is r = 352/235

7 0
2 years ago
Please help i am confused on wha to do
Tanzania [10]

Answer:

If I am right you have to multiply 8 by 30 and than divide it by 12 the answer it will give you is x

8 0
3 years ago
Read 2 more answers
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