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3 years ago

Quadrilateral ABCD has coordinates A(3,-5), B(5,-2), C(10,-4), D(8,-7). Quadrilateral is a

Mathematics

2 answers:

densk [106]3 years ago

8 0

Answer:

Quadrilateral is another word for a shape with four sides.

Step-by-step explanation:

valkas [14]3 years ago

4 0

Answer:

Parallelogram

Step-by-step explanation:

AB=CD

AD=BC

BD not equal to AC (Diagonals are not equal)

AB not equal to BC (Adjacent sides are not equal)

Thus the quadrilateral is parallelogram

Brainliest please

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Assoli18 [71]

Answer:

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Step-by-step explanation:

8 1/2 - 2 2/3

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A club decides to sell T-shirts for $12 each as a fund-raiser. It costs $20, plus $6 per T-shirt to make the T-shirts. Write and

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3 years ago

What is the value of sin(−θ) ?

Ghella [55]

Answer:

Step-by-step explanation:

The cosine of a right triangle is the adjacent over the hypotenuse. If the cosine is -3/5 then it must be a right triangle with sides 3, 4, & 5 since this is a Pythagorean triple. This means the sin will be -4/5. We know its negative because the tangent is positive so this is the 3rd quadrant where both Sine and Cosine are negative.

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4 years ago

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kolbaska11 [484]

Answer:

<h2>A) 2 years at 3% interest = $10,617.57</h2>

Step-by-step explanation:

loan amount (P) = $10,000

interest is compound monthly :

A = P (1 + r/n)^n*t

find:

which of these loan terms will have the lowest total cost?

A) 2 years at 3% interest

B) 3 years at 3% interest

C) 4 years at 3% interest

D) 5 years at 3% interest

solution:

plugin the values into the formula to get the accumulated monthly interest.

A. using 2 years at 3% interest

A = $10,000 ( 1 + 0.03 ) ¹² ˣ ²

= $10,617.57

B. using 3 years at 3% interest

A = $10,000 ( 1 + 0.03 ) ¹² ˣ ³

= $10,940.51

C. using 4 years at 3% interest

A = $10,000 ( 1 + 0.03 ) ¹² ˣ ⁴

= $11.273.28

D. using 5 years at 3% interest

A = $10,000 ( 1 + 0.03 ) ¹² ˣ ⁵

= $11,616.17

therefore, based on the above terms, option A which is $10,617.57

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4 years ago

Read 2 more answers

A 10 inch cookie cake is divided into 8 slices. What is the area of 3 slices

brilliants [131]

Answer:

The area of 3 slices is $\frac{75}{8}\pi\ in^2$ or approximate $29.4\ in^2$

Step-by-step explanation:

Find out the area of the cookie cake

The area of the circle (cookie cake) is

$A=\pi r^{2}$

we have

$r=10/2=5\ in$ ----> the radius is half the diameter

substitute

$A=\pi (5)^{2}$

$A=25\pi\ in^{2}$

Remember that the area of the complete cookie cake subtends a central angle of 360 degrees

If the cake is divided into 8 slices

then

The central angle of each slice is equal to

360/8=45°

The central angle of 3 slices is equal to

3(45°)=135°

By proportion

Find out the area of 3 slices

Let

x ----> the area of 3 slices

$\frac{25\pi}{360}=\frac{x}{135}\\\\x=25\pi(135)/360\\\\x=\frac{3,375}{360}\pi\ in^2$

Simplify

$\frac{75}{8}\pi\ in^2$ ----> exact value of the area of 3 slices

Find out the approximate value of the area of 3 slices

assume

$\pi =3.14$

substitute

$\frac{75}{8}(3.14)=29.4\ in^2$

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4 years ago