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777dan777 [17]
3 years ago
14

What does 6 2/5 + 3 1/4=

Mathematics
2 answers:
Contact [7]3 years ago
8 0
I’m pretty sure it 9 13/20
Yuliya22 [10]3 years ago
7 0

Answer:

193/20 or 9 13/20

Step-by-step explanation:


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Solve for f. <br> 6f + 9g = 3g + f
Mashcka [7]

Answer:

f=-6g/5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Andy estimated that he would need 75 feet of lumber for a tree house project. he later found that the actual amount of lumber ne
Kipish [7]
Step 1
<span>Calculate the error
</span>error=75-64-----> 11 ft

step 2
<span>Divide the error by the exact value
</span>11/64=0.1719

step 3
<span>Convert that to a percentage 
</span>0.1719*100=17.19%

the answer is
17.19%

8 0
4 years ago
Help me !! And show your work
valkas [14]
-24+12d=2d-6+22
-24+12d=2d+16
-24+12d+24=2d+16+24
12d=2d+40
12d-2d=2d+40-2d
10d=40
10d/10=40/10
D=4
6 0
3 years ago
About how many years will it take for $4000 to double at a simple interest rate of 9%
Aleksandr [31]

Answer:

about 11 years

Step-by-step explanation:

we know that

The simple interest formula is equal to

A=P(1+rt)

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

t=?\ years\\ P=\$4,000\\ A=\$8,000\\r=9\%=9/100=0.09

substitute in the formula above

8,000=4,000(1+0.09t)

solve for r

2=(1+0.09t)

0.09t=2-1

0.09t=1

t=11.1\ years

8 0
4 years ago
Someone please help with trig question ASAP!!!! You dont need to do both! Will mark brainliest if right
Zanzabum

Answer:

8 x = 60.10251159

9 x = 3.66062978

Step-by-step explanation:

Hey There!

So to answer these questions we need to use the Law of sines

Consider the following image

So to find x in number 8 we setup an equation

\frac{x}{sin90} =\frac{48}{sin53}

now we solve for x

step 1 multiply each side by sin 90

now we have

x = \frac{48sin90}{sin53}

if you plug the equation in a calculator you get that

x=60.10251159

<u>( make sure if it says to round to the nearest.... that you round before entering your answer)</u>

For number 9 the equation would be

\frac{9}{sin90} =\frac{x}{sin24}

now we solve for x

step 1 multiply each side by sin 24

now we have

x=\frac{9sin24}{sin90}

if you plug this into a calculator you get that

x = 3.66062978

<u>(once again if it says to round to the nearest... make sure you round before you put in your answer.)</u>

3 0
3 years ago
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