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xxMikexx [17]
3 years ago
6

Plz help I will give Brainllest to who gets it correct

Mathematics
2 answers:
katen-ka-za [31]3 years ago
7 0

Answer:

2.  7.5.                 3. 6.5       4. 5.        5.  37.5

Step-by-step explanation:

I Hope it helps!

Mademuasel [1]3 years ago
6 0

Answer: 2. 7.5%

3. 6.5%

4. 5%

5. 37.5%

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SinX/1-cosX+sinX/1+cosX
d1i1m1o1n [39]
It looks like you're missing some parentheses.
I think this is the equation you mean:
sin(x)/(1-cos(x)) + sin(x)/(1+cos(x))
your common denominator is (1-cos(x))*(1+cos(x)), which is the difference of squares simplification and is equal to (1-cos^2(x)) = sin^2(x)
Numerator: sin(x)*(1+cos(x)) + sin(x)*(1-cos(x))
= sin(x) +sin(x)cos(x) + sin(x) - sin(x)cos(x)
= 2sin(x)
Answer: 2sin(x)/sin^2(x) = 2/sin(x) = 2csc(x)
3 0
4 years ago
1. Justin jogs 3 miles every morning. He
hammer [34]

Answer:

7

Step-by-step explanation:

He jobs 7 miles every morning:

3 miles in the morning, and 4 miles in the evening.

Which equals 7.

8 0
3 years ago
An item is priced at $14.14. If the sales tax is 4%, what does the item cost including sales tax?
fenix001 [56]

Answer:

28.85

Step-by-step explanation:

..... ....

......

8 0
3 years ago
Help me with this please! Will mark brainliest!
Kazeer [188]

Answer:

1)2500

2) 1500

3)2.5%

Step-by-step explanation:

1) the standard formula for interest is i=prt where  i= interest, p= principal and t=time

In the first scenario, everything but the principal is given so lets substitute the info into the equation:

75=p*0.03*1

75= 0.03p

75/0.03=p

2500=p

Same thing for second scenario, just different numbers

120=0.04*2*p

120=0.08p

1500=p

This time everything but the rate is given:

250=10000*1*r

250=10000r

Divide both sides by 10000

0.025=r

2.5%=rate(convert into percentage)

Hope this helps!

6 0
3 years ago
Read 2 more answers
A bakery sells chocolate cupcakes and mocha cupcakes. One day it sold 138 chocolate and 162 mocha. What percent of the cupcakes
Ierofanga [76]

Answer:

88% of the cupcakes sold were chocolate :)

5 0
3 years ago
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