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suter [353]
4 years ago
9

How do you know when to add or subtract?

Mathematics
1 answer:
Sonja [21]4 years ago
3 0

The lengths of XY and YZ add up to the length of XZ:

XY + YZ = XZ

We know that XZ = 10 + 1/5 = 51/5, and XY = 4 + 2/3 = 14/3, so

14/3 + YZ = 51/5

Subtract 14/3 from both sides to solve for YZ:

YZ = 51/5 - 14/3

Find a common denominator; the least common multiple of 5 and 3 is 15, so multiply the first fraction by 3/3 and the second one by 5/5 to get

YZ = 153/15 - 70/15

YZ = (153 - 70)/15

YZ = 83/15

We have 80 = 75 + 8, so that

YZ = 83/15 = (75 + 8)/15 = 75/15 + 8/15 = 5 + 8/15

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Answer:

C. (0,-10) and (0,10)

3 0
4 years ago
What is the answer for 5x-2x+8=2+6x+6?
Ede4ka [16]

5x - 2x + 8 = 2 + 6x + 6


Add like terms:

5x - 2x = 3x

2 + 6 = 8


3x + 8 = 6x + 8


To isolate the variable, subtract 6x from both sides of the equation:

3x - 6x = -3x


-3x + 8 = 8


Now subtract 8 from both sides:

8 - 8 = 0


-3x = 0


To finish, divide both sides by -3:

0 ÷ -3x = 0


The answer is x = 0


Hope this helps.

3 0
3 years ago
Read 2 more answers
Simplify 0.4(−4.5).<br> −1.8<br> −1.65<br> 1.65 <br> 1.8
leva [86]
The answer should be -1.8
8 0
4 years ago
the graph shows that lisa's earnings are proportional to the number of hours that she works.This relationship can be represented
Annette [7]

c. 25 because she gets $25 per hour

3 0
3 years ago
Jiminy's Cricket Farm issued a bond with 15 years to maturity and a semiannual coupon rate of 5 percent 3 years ago. The bond cu
Elan Coil [88]

Answer:

Pretax cost of debt is 5.94%

After tax cost of debt is 4.63%

Step-by-step explanation:

The pretax cost of the debt is the yield to maturity on the debt issuance,which can be computed using the rate formula in excel:

=rate(nper,pmt,-pv,fv)

nper  is the number of semi-annual interest payments payable by the bond from year 3 onward ,that is the number of years to maturity 12*2=24

pmt is the semi-annual interest payable by the bond issuer which is face value of the bond ,$1000*5%/2=$25

pv is the current  price of the bond which 92% of face value i.e 92%*$1000=$920

fv is the face value of the bond at $1000

=rate(24,25,-920,1000)

rate=2.97%

the rate calculated is a semi-annual rate,annual rate =2.97%*2

                                                                                        =5.94%

The pretax cost of debt is  5.94%

After tax cost of debt=pretax cost of debt*(1-t)

t is the tax rate of 22%

after tax cost  of debt =5.94%*(1-22%)

                                    =4.63%

8 0
4 years ago
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