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Nata [24]
3 years ago
12

which formula should be used to find the area of the composite shape? A = 4(1/2Xbh) lw B. A=4bh+lw C. a=4bh+lw d. 2bh+bh The com

posite shape is a four pointed star.

Mathematics
1 answer:
Maslowich3 years ago
5 0

Answer:

D. 2bh+bh

Step-by-step explanation:

You can divide that shape into five separate pieces, 4 triangles and 1 square.

The formula for the area of a triangle is A=1/2bh.

Multiply this by 4 becuase there are 4 triangles and you get A=2bh.

Then you add on the area of the square and you have A=2bh+bh

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Please select the best answer from the choices provided
FromTheMoon [43]

Answer:

\sqrt{122}

Step-by-step explanation:

Given that,

Vector n = 4i-j

Vector m = 3i+3j

We need to find the value of m+2n.

Put all the values,

m+2n = (3i+3j)+2(4i-j)

= (3i+3j)+8i-2j

=11i+j

Magnitude of vector,

|m+2n|=\sqrt{11^2+1^2} \\\\=\sqrt{121+1}\\\\=\sqrt{122}

So the correct option is (c).

6 0
3 years ago
1. What are the slope and y-intercept of<br> the equation y = 2x – 8?
kumpel [21]

Answer:

2x is your slope and -8 is your y intercept

Step-by-step explanation:

6 0
3 years ago
Ed needed to extend the string on his kite. The current string was seven and three fourths feet. He cut a piece of string that m
soldi70 [24.7K]

The new length of the string will be 16  1/4 feet. Then the correct option is B.

<h3>What is the length?</h3>

It is the measure of distance between the two points and is known as length. The length is measured in meters generally.

Ed needed to extend the string on his kite. The current string was seven and three-fourths feet that is (7  3/4).

The mixed fraction number is coverted into a decimal number.

7  3/4 = 7.75 feet

He cut a piece of string that measured 8.5 feet and added it to the existing string.

Then the new length of the string will be

L = 7.75 + 8.5

L = 16.25

L = 16  1/4 feet

The new length of the string will be 16  1/4 feet. Then the correct option is B.

More about the distance link is given below.

brainly.com/question/26711747

#SPJ1

4 0
2 years ago
WILL GIVE A BRAINLIEST!!
sergij07 [2.7K]
If the vertex is at the maximum point they dy/dx=0 at that point...

dA/dx=-2x+4

dB/dx=-2x+8

dC/dx=2x-4

dD/dx=2x-8

So both B and D have a zero velocity at x=4, but only B is equal to 3 when x=4

B. is the correct quadratic with the vertex at (4,3)
4 0
4 years ago
Read 2 more answers
Find the fifth term in the sequence<br>that is defined as follows:<br>an = 2n​
Rainbow [258]

Answer:

a_{5}=10

Step-by-step explanation:

If you want to find the 5th term of a sequence or any term you have to substitute n for the desired term in your case the result is the following

a_{n}=2n\\a_{5}=2(5)\\a_{5}=10

7 0
3 years ago
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