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gizmo_the_mogwai [7]
2 years ago
8

Alanna is painting a border along the top of a wall. the border consists of kite-shaped figures as shown. 3 kites are connected

at 1 point. each kite measures 6 inches across and 12 inches long. the wall is 12 feet across. how many square inches of the wall will be covered with kites? 216 432 864 1,728
Mathematics
2 answers:
jeka942 years ago
7 0

Answer:

C

Step-by-step explanation:

Dmitrij [34]2 years ago
6 0

If each kite measures 6 inches across and 12 inches long. The square inches of the wall will be:  864 square inches.

<h3> Square inches of the wal</h3>

Diagonals= d1 and d2

First step

Area =(1/2)×(d1×d2)

Area=(1/2)×(6×12)

Area =36 in²

Second step

1 feet = 12 inches

12 feet =  12×12

12 feet = 144 in

Third step

Number of square inches=(144/6)×36

Number of square inches=24×36

Number of square inches= 864 square inches

Therefore the square inches of the wall will be: 864 square inches.

Learn more about  square inches here:brainly.com/question/9895399

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a carpenter cuts a wooden beam that is 4m long into 5 equal pieces. what is the length of each piece.
bekas [8.4K]

Answer:

4/5  meter

Step-by-step explanation:

4 meters

5 equal pieces

Then the length of each piece is:

4/5 meter

4 0
2 years ago
75 + 13 + ?? = 140 i dont know what it is.
mixer [17]

Answer:

52

Step-by-step explanation:

140 - 13 = 127

127 - 75 = 52

Check your work:

75 + 13 + 52

= 140

8 0
3 years ago
Read 2 more answers
If the sinø=7/12, what is cosø?
777dan777 [17]

Answer:

If the sinø=7/12, cosø is \frac{\sqrt{95} }{12}

Step-by-step explanation:

We are given sinФ = 7/12

We need to find cosФ

The basic trigonometric functions of right triangle are:

sin\theta=\frac{opposite}{hypotenuse}

cos\theta=\frac{adjacent}{hypotenuse}

We need values of adjacent and hypotenuse to find cosФ

Using Pythagoras theorem we can find the value of adjacent

(Hypotenuse)^2= (Opposite)^2+(Adjacent)^2

We have Hypotenuse= 12 and Opposite = 7 (because sin\theta=\frac{opposite}{hypotenuse} and we are given sin\theta=\frac{7}{12}

Inserting values and finding adjacent:

(Hypotenuse)^2= (Opposite)^2+(Adjacent)^2\\(12)^2=(7)^2+(Adjacent)^2\\144=49+(Adjacent)^2\\144-49=(Adjacent)^2\\95=(Adjacent)^2\\\sqrt{(Adjacent)^2} =\sqrt{95}\\Adjacent=\sqrt{95}

So, value of Adjacent is \sqrt{95}

Now finding cosФ

cos\theta=\frac{adjacent}{hypotenuse}

Adjacent = \sqrt{95}, hypotenuse = 12

cos\theta=\frac{\sqrt{95} }{12}

So, If the sinø=7/12, cosø is \frac{\sqrt{95} }{12}

7 0
3 years ago
Item 4<br> Solve the equation.<br><br> 23h−13h+11=8<br> h=
Naily [24]
Answer is 20 by plugging the 4 in the equation it equals 20
3 0
3 years ago
5x + 3 = 3x + 9 what is the value of x
erik [133]

Answer:

x = 3

Step-by-step explanation:

5x + 3 = 3x + 9

subtract 3 on both sides (cancels out 3) (inverse operation)

5x = 3x + 6

subtract 3x on both sides (cancels out 3x) (inverse operation)

2x = 6

divide both sides by 2 (isolates x) (simplifies)

x = 3

7 0
4 years ago
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