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TEA [102]
3 years ago
7

Prove that:tan80°=2tan 70°+ tan10°​

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
8 0
Tan80=5.67
2tan70+tan10=5.67

So tan80=2tan70+tan10
inn [45]3 years ago
4 0

Answer:

kunjal brother answer is correct hope it's help you have a good day ☺☺ keep smiling be happy stay safe ☺☺

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Fred bought 4 L of liquid laundry detergent
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That means he had 400 or 4000mm
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Translate the sentence into an equation. Two more than the product of a number and 4 is equal to 7.
podryga [215]

let x = the number

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4 0
3 years ago
Need help with this problem:
Nitella [24]

Answer:

<em>Henson: 3x + y = 163</em>

<em>Garcia: 2x + 3y = 174</em>

<em>adult ticket price: $45</em>

<em>child ticket price: $28</em>

Step-by-step explanation:

Henson Family:

3 adults + 1 child; total $163

3x + y = 163

Garcia Family:

2 adults + 3 children; total $174

2x + 3y = 174

Now we solve the system of equations.

Solve the first equation (Henson Family) for y.

y = 163 - 3x

Substitute 163 - 3x for y in the second equation (Garcia Family).

2x + 3<em>y</em> = 174

2x + 3(<em>163 - 3x</em>) = 174

2x + 489 - 9x = 174

-7x + 489 = 174

-7x = -315

x = 45

Now substitute 45 for x in the first original equation and solve for y.

3x + y = 163

3(45) + y = 163

135 + y = 163

y = 28

adult ticket price: $45

child ticket price: $28

8 0
3 years ago
Find the value of a $3,000 certificate in 2 years, if the interest rate is 10% compounded annually.
ser-zykov [4K]

Answer:

600$

Step-by-step explanation:

3000×2×.10=600

the 10 percent needs to be changed to .10

5 0
2 years ago
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