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trasher [3.6K]
3 years ago
7

Combine the like terms to create an equivalent expression -k-(-8k)

Mathematics
1 answer:
Blababa [14]3 years ago
5 0

Answer:

-k+8k=7k is the solution

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A company is designing a new logo involving 2 circles. What is the area of the shaded portion between the 2 circles? (Use π = 3)
Advocard [28]
Area of shaded portion = area of circle 1 - circle 2
Pi r*2 - pi R*2 =
Pi (r*2 -R *2 ) = 9*2 - 5*2 = (pi)81- 25= 56 x 3 = 168
8 0
3 years ago
If STUV is a square with SW = 2x + 13 and WU = 8x - 41, find VT.<br><br> 20 points
sergejj [24]

Answer: VT equals 62

Step-by-step explanation: In the square with sides STUV, the point W is a midpoint on the diagonal of the square such that the diagonal line SU is divided into two equal halves by the lines SW and WU. Also note that a square has two diagonals whose measurements are equal, that is, line SU equals line VT.

If the point W is the midpoint of SU, then we can conclude that SW equals WU. This means;

2x + 13 = 8x - 41

Collect like terms and you now have,

13 + 41 = 8x - 2x

54 = 6x

Divide both sides of the equation by 6

9 = x

Having calculated the value of x, remember that SW plus WU equals SU. And diagonal SU equals diagonal VT.

Therefore, VT is calculated as follows;

VT = SW + WU

VT = 2x + 13 + 8x - 41

VT = 2(9) + 13 + 8(9) - 41

VT = 18 + 13 + 72 - 41

VT = 62

8 0
3 years ago
Express 0.000000015 in scientific notation
babymother [125]
1.5 times 10 to the -8th power 
3 0
3 years ago
Read 2 more answers
Eric has $100,000 in savings account.The interest rate is 8 % per year and is not compounded.To the nearest Dollar,how much will
Roman55 [17]

Answer:

To calculate the simple interest, we say

S.I = (PxRxT)/100

Where P = the principal amount

R= rate in terms of %

And T= time.

Now P= $100 000

R= 8%

T= 3 years

S.I= (100,000 x8 x3)/100

=$2 400 000/100

= $24, 000

So the interest is 24000

Total amount he will be having = 100000 + 24 000

The total money he will be having in 3 years time = $124 000

Step-by-step explanation:

7 0
3 years ago
Find the slope of the line that passes through 7,12 and 10,10
vfiekz [6]

Answer:

2/3

Step-by-step explanation:

8 0
3 years ago
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