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Anna71 [15]
3 years ago
6

URGENT HELP !!!!!! Answer correctly !!!!!!!!!!!! Will be marking brainliest !!!!!!!!!!!!!!

Mathematics
1 answer:
Phantasy [73]3 years ago
3 0
Ummm I’m am soo sorry I can’t help not that great at math, pretty sure that’s math any way soooooo sorry
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What is the sales tax on a suit priced at $180 if the sales tax rate is 6.9%?
Jet001 [13]

The sales tax would be $12.42

6 0
3 years ago
Consider a triangle ABC like the one below. Suppose that a = 31, b = 23, and c = 20. (The figure is not drawn to scale.) Solve t
krok68 [10]

The solution to the triangle is A = 92.0, B = 47.9 and C = 40.1

<h3>How to solve the triangle?</h3>

The figure is not given;

However, the question can still be solved without it

The given parameters are:

a = 31, b = 23, and c = 20

Calculate angle A using the following law of cosine

a² = b² + c² - 2bc * cos(A)

So, we have:

31² = 23² + 20² - 2 * 23 * 20 * cos(A)

Evaluate

961 = 929 - 920 * cos(A)

Subtract 929 from both sides

32 =- 920 * cos(A)

Divide both sides by -920

cos(A) = -0.0348

Take the arc cos of both sides

A = 92.0

Calculate angle B using the following law of sine

a/sin(A) = b/sin(B)

So, we have:

31/sin(92) = 23/sin(B)

This gives

31.0189 = 23/sin(B)

Rewrite as:

sin(B) =23/31.0189

Evaluate

sin(B) =0.7415

Take arc sin of both sides

B = 47.9

Calculate angle C using:

C = 180 - 92.0 - 47.9

Evaluate

C = 40.1

Hence, the solution to the triangle is A = 92.0, B = 47.9 and C = 40.1

Read more about triangles at:

brainly.com/question/2217700

#SPJ1

6 0
1 year ago
Help with my algebra homework
Maru [420]

Let's solve your equation step-by-step.

2x /5 + 3 = x/10 - 1

Step 1: Simplify both sides of the equation.

2x /5 + 3 =  x/10 - 1

2/5x + 3 = 1/10x - 1

Step 2: Subtract 1/10x from both sides.

2/5x + 3 - 1/10x = 1/10x - 1 - 1/10x

3/10x + 3 = -1

Step 3: Subtract 3 from both sides.

3 /10x + 3 - 3 = -1 - 3

3/10x = -4

Step 4: Multiply both sides by 10/3.

(10/3) * (3/10x) = (10/3) * (-4)

x = -40/3

3 0
3 years ago
4. The price for five pounds of candy is<br> $8, which is a rate of per pound.
lora16 [44]

Answer:

$1.60 per pound

The drawing will help

4 0
3 years ago
SHOW ME HOW TO WORK THIS PROBLEM MODEL 5 STUDENTS SHARING 4 BAGS OF POPCORN EQUALLY
timurjin [86]

APPRECIATE MY ART PLS I SPENT SO LONG ON IT

5 0
3 years ago
Read 2 more answers
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