Hey guys I need help in this math question! It submits in like 20 minutes!

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Answer 1

Answer:

Answer: 6b+7=331

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A TV that normally cost $800 is on sale for 33% off. There is a 6% sales tax on the purchase. What is the final cost of the TV?

Answers

Answer:

$568.16

Step-by-step explanation:

Answer: The answer to your problem is $568.16

Solve the triangle.

B = 72°, b = 12, c = 8

Answers

Answer:

Part 1) $C=39.3\°$

Part 2) $A=68.7\°$

Part 3) $a=11.8\ units$

Step-by-step explanation:

we know that

Applying the law of sines

$(a)/(sin(A))=(b)/(sin(B)) =(c)/(sin(C))$

In this problem we have

$B=72\°$

$b=12\ units$

$c=8\ units$

Step 1

Find the measure angle C

$(b)/(sin(B)) =(c)/(sin(C))$

substitute the values and solve for C

$(12)/(sin(72\°)) =(8)/(sin(C))\n \nsin(C)=sin(72\°)*(8/12)\n \nsin(C)= 0.6340\n \nC=39.3\°$

Step 2

Find the measure of angle A

we know that

The sum of the internal angles of the triangle must be equal to $180$ degrees

$m<A+m<B+m<C=180\°$

we have

$m<B=72\°$

$m<C=39.3\°$

$m<A+72\°+39.3\°=180\°$

$m<A=180\°-72\°-39.3\°=68.7\°$

Step 3

Find the measure of side a

Applying the law of cosines

$a^(2)=b^(2)+c^(2)-2(b)(c)cos(A)$

substitute

$a^(2)=12^(2)+8^(2)-2(12)(8)cos(68.7\°)$

$a^(2)=208-(192)cos(68.7\°)$

$a^(2)=138.26$

$a=11.8\ units$

The answer is 12^2=x^2+8^2-16x(cos(72°)
x^2-4.9443x=80
(x-2.4721)^2=86.1115
x-2.4721=±9.2796
x=11.7517

B=72°, b=12, c=8, a=11.8
C=arcsin(8/12*sin(72°))=39.3°
A=68.7°

Help me Mark brainliest

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answers:

1: D 2: C

please mark me brainliest

Someone help........

Answers

Answer:

B) 33

Step-by-step explanation:

Jan starts out using 3 toothpicks to create Figure 1. She adds 4 toothpicks to create Figure 2 and adds another 4 toothpicks to create Figure 3. The equation for this question can be written as such:

3 + 2x = ? toothpicks

We will replace x with 15 because Figure 16 - Figure 1 is 15.

3 + (2 x 15) = ? toothpicks

2 multiplied by 15 is 30

3 + 30 = ? toothpicks

3 plus 30 is 33

The answer is B) 33

I hope that this helps :)

2x+3y=3 and 3x-2y=11 what is the solution to the system

Answers

2x + 3y = 3
3x - 2y = 11

( 2x + 3y = 3 ) *3
6x + 9y = 9

( 3x - 2y = 11 ) * 2
6x - 4y = 22

subtract those two equations
13y = -13
y = -1
x = 3

We already have 60\%60%60, percent of the items on our list, her father says. Anastasia sees 121212 items in the cart. How many grocery items are on the list?

Answers

If there were already 121212 items on the cart that only comprises of the 60 % of the list of the father, then there would be 202,020 items on his items in total. This is solve by dividing 121212 by 60% which will give us 202,020

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