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lapo4ka [179]
2 years ago
7

Enna has 10 3/4 yards of fabric. She uses 6 2/3 yards to make a banner.

Mathematics
2 answers:
Artemon [7]2 years ago
8 0

Answer:

4 1/12

Step-by-step explanation:

Amanda [17]2 years ago
5 0

Answer:

first of all we will subtract 10 from 6 which is 4 the whole number is 4

second we will subtract 2 from 3 which is 1 so the numerator is 1

third we will multiply 4 with 3 that is 12 so the denominator is 12

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The area of triangle ABC is 3√2 square inches. Find the measure of the acute angle, A, if b = 9 meters and c = 2 meters.
taurus [48]

Answer:

A\approx 28^{\circ}

Step-by-step explanation:

Please find the attachment.  

We have been given that area of triangle ABC is 3√2 square inches.

\text{Area}=\frac{1}{2}\text{Base}\times \text{height}

We know that area of triangle an be found using trigonometry as:

\text{Area}=\frac{1}{2}\times c\times h

\text{sin}(A)=\frac{h}{9}\\h=9\cdot \text{sin}(A)

3\sqrt{2}=\frac{1}{2}\times 2\times 9\cdot \text{sin}(A)

3\sqrt{2}=9\cdot \text{sin}(A)

9\cdot \text{sin}(A)=3\sqrt{2}

\text{sin}(A)=\frac{3\sqrt{2}}{9}

\text{sin}(A)=\frac{\sqrt{2}}{3}

Now, we will use inverse sine to find the value of angle A as:

A=\text{sin}^{-1}(\frac{\sqrt{2}}{3})

A=28.1255057^{\circ}

A\approx 28^{\circ}

Therefore, the measure of angle A is approximately 28 degrees.

3 0
2 years ago
A surfboard costs $240. The sales tax on a surfboard is $12. What is the percent in sales tax?
Pie
The tax rate is 5%

Hope this helps!
6 0
3 years ago
Read 2 more answers
What is the value of x in the triangle? A. 21 B. 10 C. 7 D. 7√3
enyata [817]
A

Working:
Tan(angle)=opposite/adjacent
Tan60 = x/7root3
x=7root3 x Tan60
Enter in calculator
x=21
4 0
2 years ago
Which of the following ratios are equivalent ratios to 12:14?
sweet [91]

Answer:

a and c

Step-by-step explanation:

a: when you divide 12:14 by 2 itll give you half of each number. that equals 6:7

c: when you multiply 12:14 by 2 itll give you twice the amount which is 24:28

3 0
3 years ago
Read 2 more answers
Find the area of the triangle below.
gulaghasi [49]

Answer:

Gọi AH là đường cao kẻ từ A đến BC

Xét tam giác AHC vuông tại H

Suy ra AH = HC. cotA= 9.cot35° = 12,9

Xét tam giác AHB vuông tại H

Suy ra BH = AH.tanA = 12,9.tan61°=23,37

Ta có BC= HC+ HB= 9+23,27 =32,27

Diện tích tam giác ABC = 1/2 × AH ×BC= 1/2 ×12,9×32,27=208,1415

8 0
2 years ago
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