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zaharov [31]
2 years ago
6

Find the area of trapezoid ABCD by decomposing it into a rectangle and triangle.

Mathematics
1 answer:
Naddika [18.5K]2 years ago
5 0
Answer: C) 104 cm^2

Area of right triangle: 1/2 x 6 x 8 =24

Area of rectangle: 8 x 10 = 80

Add both areas get = 104cm
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Can you help me with this
just olya [345]
Answer: $31.25

altogether she spends... 12.5×$4.50= $56.25

in total, she makes 5 beds ( 12.5÷2.5=5)

so she makes 5×$17.50= $87.50 from selling the beds.

however, $87.50-$56.25= $31.25
6 0
3 years ago
Read 2 more answers
2x-y²=1<br> 3x+y=4 <br> Heelp...
bogdanovich [222]
So first we solve for y in second equation
3x+y=4
y=4-3x
sub for y in first equiton
2x-(4-3x)^2=1
2x-(16-12x-12x+9x^2)=1
2x-(16-24x+9x^2)=1
2x-16+24x-9x^2=1
-9x^2+26x-16=1
times -1 both sides
9x^2-26x+16=-1
add 1 to both sides
9x^2-26x+17=0
factor
(x-1)(9x-17)=0
set each to zero
x-1=0
x=1

9x-17=0
9x=17
x=17/9

so sub back to find y
y=4-3x
y=4-3(1)
y=4-3
y=1
(1,1)

y=4-3x
y=4-3(17/9)
y=4-17/3
y=12/3-17/3
y=-5/3
(17/9,-5/3)


the 2 intersection points are
(1,1) and ( \frac{17}{9} , \frac{-5}{3} )
6 0
3 years ago
Calculate the distance between points (-8,-2) and (4,3)
Kamila [148]

To calculate the distance between two points, we can use a formula that is a variation Pythagorean Theorem. Look:


\mathsf{d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}}


"d" represents the distance and coordinates are expressed as follows: (x, y)


Let's go to the calculations.


\mathsf{d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}}\\\\ \mathsf{d=\sqrt{(4-(-8))^2+(3-(-2))^2}}\\\\ \mathsf{d=\sqrt{(4+8)^2+(3+2)^2}}\\\\ \mathsf{d=\sqrt{(12)^2+(5)^2}}\\\\ \mathsf{d=\sqrt{144+25}}\\\\ \mathsf{d=\sqrt{169}}\\\\ \underline{\mathsf{d=13}}


The answer is 13 uc.

5 0
3 years ago
Persons who use drugs relatively infrequently and define drug use as pleasurable are called
scoray [572]

i believe the answer would be - recreational drug user.

hope this helps you out!

7 0
3 years ago
Calculate trend values by method of least squares
Grace [21]

Answer:

It is a mathematical method and with it gives a fitted trend line for the set of data in such a manner that the following tow conditions are satisfied. The sum of the deviation of the actual values of Y and the computed values of Y is zero.

5 0
3 years ago
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