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Colt1911 [192]
3 years ago
5

Multiply and divide These

Mathematics
1 answer:
Elan Coil [88]3 years ago
3 0

Answer:

1. 1 2.-1 3.-1 4.1 5.18 6.5

Step-by-step explanation:

that 8s answer gegegge

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What percentage of a dollar is the value of 5 quarters and 1 dime
slega [8]

Answer:

135%

Step-by-step explanation:

The quarters percentage is 125% and the dime is 10% and that equals 135%

3 0
2 years ago
Please answer question if false will be removed
Fudgin [204]
1. x=6
2. x=4
3. x=3.5

please mark me brainliest i really need it to move up!! yeah
4 0
3 years ago
Please help me with this problem. I'm kind of stuck and don't know what to do.
Flauer [41]

Try this option:

1) if csc(u)=9, then 1/sin(u)=9 and sin(u)=1/9;

2) if sin(u)=1/9, then cos(u):

cos(u)=\sqrt{1-sin^2(u)}=\sqrt{1-\frac{1}{81}}=\frac{4\sqrt{5}}{9};

3) if \ sin(u)=\frac{1}{9} \ and \ cos(u)=\frac{4\sqrt{5}}{9}, then

sin(2u)=2sin(u)*cos(u)=\frac{8\sqrt{5}}{81};

cos(2u)=cos^2(u)-sin^2(u)=\frac{80}{81}-\frac{1}{81}=\frac{79}{81};

tan(2u)=\frac{sin(2u)}{cos(2u)}=\frac{\frac{8\sqrt{5}}{81}}{\frac{79}{81} }=\frac{8\sqrt{5}}{79}.

8 0
2 years ago
5n+9=2n solve equation
julsineya [31]

5n+9=2n

5n+9−2n=2n−2n

3n+9=0

3n+9−9=0−9

3n=−9

3n/3=−9/3

n=−3

4 0
3 years ago
what is the perimeter, in centimeters, of a right triangle that has leg lengths of 8centimeters and 11 centimeters? round to the
soldi70 [24.7K]

Answer:

90

Step-by-step explanation:

8 x 11 = 88

So now you have to add 2 to get to the nearest 10. ;)

3 0
3 years ago
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