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kramer
3 years ago
11

I need help its confusing and i need it fast thank you

Mathematics
1 answer:
Savatey [412]3 years ago
4 0

Answer:

Hey dude!

The answer is

area of triangle AED= \frac{1}{2} AE x DE

How I got this answer:-

Area of a triangle is \frac{1}{2} base x altitude.

Here, the base of the triangle is DE

And its altitude is AE

Hence, the area would be:-

\frac{1}{2} AE x DE

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Math expert in polygon angle​
soldier1979 [14.2K]

Answer:

50°

Step-by-step explanation:

The internal angles on a quadrilateral sum to 360.

So x+10+2x+x+3x=360

7x+10=360

7x=350

x=50

3 0
3 years ago
Please really need help on this please
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0,1 0,7 I think I use to do these
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Ruth's gross biweekly pay is $1805. To maintain her current lifestyle, how much should she save up by the time she retires?
zvonat [6]

$469,300 is the answer for my K12 homie

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3 years ago
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Marcus borrowed 9000 from his bank to buy a car. The bank charged him a simple interest rate of 1.25%. By the time he paid back
snow_lady [41]

Answer:

2.5 years

Step-by-step explanation:

Given data

P=9000

r= 1.25%

A= 9281.25

The simple interest expression is given as

A=P(1+rt)

substitute

9281.25= 9000(1+0.0125*t)

9281.25=9000+112.5t

collect like terms

9281.25-9000=112.5t

281.25= 112.5t

t= 281.25/112.5

t= 2.5

Hence the time is 2.5 years

7 0
3 years ago
I need to work out x
frutty [35]

Answer:

9,765 cm

Step-by-step explanation:

We'll solve out the measurements for triangle ABC then it will be easy to figure out x

For triangle ABC, we have

Angle B = 90 degrees.

Angle A (CAB) = 38 degrees (the angle CAD is 19 and is said to be half of CAB, since the line AD is a bisector).

Angle C = 180 - 90 - 38 = 52 degrees.

To find the measurement of the BC line, which we label a, we know that

\frac{a}{sin(A)} = \frac{c}{sin(c)}

So, we can isolate the a to get:

a = \frac{c * sin(A)}{sin(c)} = \frac{25 * sin(38)}{sin(52)} = 19.53

Now we know the segment BC is 19.53 cm.

And we know that segments CD and DB are equal, since AD is a bisector, cutting the CAB angle in half.

So, CD is half of BC.... so 19.53 / 2 = 9.765 cm

7 0
3 years ago
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