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2 years ago

13

A triangle with a base of 10 units and height of 8 units. Find the area of the triangle. The area of the triangle is square unit

s.

2 answers:

Alik [6]2 years ago

8 0

Answer: 40 units

Step-by-step explanation: just did got it right.

Semmy [17]2 years ago

6 0

The area is 40 units

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Find the perimeter of WXYZ. Round to the nearest tenth if necessary.

yanalaym [24]

Answer:

C. 15.6

Step-by-step explanation:

Perimeter of WXYZ = WX + XY + YZ + ZW

Use the distance formula, $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$ to calculate the length of each segment.

✔️Distance between W(-1, 1) and X(1, 2):

Let,

$W(-1, 1) = (x_1, y_1)$

$X(1, 2) = (x_2, y_2)$

Plug in the values

$WX = \sqrt{(1 - (-1))^2 + (2 - 1)^2}$

$WX = \sqrt{(2)^2 + (1)^2}$

$WX = \sqrt{4 + 1}$

$WX = \sqrt{5}$

$WX = 2.24$

✔️Distance between X(1, 2) and Y(2, -4)

Let,

$X(1, 2) = (x_1, y_1)$

$Y(2, -4) = (x_2, y_2)$

Plug in the values

$XY = \sqrt{(2 - 1)^2 + (-4 - 2)^2}$

$XY = \sqrt{(1)^2 + (-6)^2}$

$XY = \sqrt{1 + 36}$

$XY = \sqrt{37}$

$XY = 6.08$

✔️Distance between Y(2, -4) and Z(-2, -1)

Let,

$Y(2, -4) = (x_1, y_1)$

$Z(-2, -1) = (x_2, y_2)$

Plug in the values

$YZ = \sqrt{(-2 - 2)^2 + (-1 -(-4))^2}$

$YZ = \sqrt{(-4)^2 + (3)^2}$

$YZ = \sqrt{16 + 9}$

$YZ = \sqrt{25}$

$YZ = 5$

✔️Distance between Z(-2, -1) and W(-1, 1)

Let,

$Z(-2, -1) = (x_1, y_1)$

$W(-1, 1) = (x_2, y_2)$

Plug in the values

$ZW = \sqrt{(-1 -(-2))^2 + (1 - (-1))^2}$

$ZW = \sqrt{(1)^2 + (2)^2}$

$ZW = \sqrt{1 + 4}$

$ZW = \sqrt{5}$

$ZW = 2.24$

✅Perimeter = 2.24 + 6.08 + 5 + 2.24 = 15.56

≈ 15.6

5 0

2 years ago

Which is a true statement?

lesantik [10]

Answer:

C-true

Step-by-step explanation:

A-false

B-false

C-true

D-false

used substitution

7 0

2 years ago

A baseball diamond is a square with sides of 90 feet.

GarryVolchara [31]

180 feet, cause you have already covered half the square

7 0

2 years ago

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Which is the simplified form of (9 c Superscript negative 9 Baseline) Superscript negative 3? 9 c Superscript 27 StartFraction 1

velikii [3]

Answer:

The correct option is B

B) (1/729)c²⁷

Step-by-step explanation:

Lets write it all in an understandable form.

The given expression is:

( 9c ⁻⁹ ) ⁻³

The given options are:

A) 9c²⁷

B) (1/729)c²⁷

C) 729c²⁷

D) 9/c²⁷

Lets find the solution. The given expression is:

( 9c ⁻⁹ ) ⁻³

Multiply the outer power -3 with each term inside the bracket. It can be rewritten as.

(9⁻³) ( c ⁽⁻⁹⁾⁽⁻³⁾)

A negative power can be converted into positive by taking it down in the denominator.

The multiplication (-9)(-3) results in 27.

The equation can be written as:

( 1/9³) ( c²⁷)

Where 9³ = 729

( 1/729)( c²⁷)

which is equal to option B

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2 years ago

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What is the Associative Property of Multiplication?

natta225 [31]

Answer:

(C is your answer) -Raymond :3

Step-by-step explanation:

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2 years ago

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