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Andrews [41]
3 years ago
9

What is the measure for ECD

Mathematics
1 answer:
Nostrana [21]3 years ago
7 0

Answer:

118

Step-by-step explanation:

a triangle is 180 degrease and two sides that are equal to each other which means the angles across from them have the same thing.

so. 180-31-31=118

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What is an equation of the line that is perpendicular to y- 4 = 2(x-6) and
Ludmilka [50]

Answer:

D. Y+5=-(1/2)*(x+3)

Step-by-step explanation:

Perpendicular Lines are those with the following condition:

y=a*x+b (1)

y=c*x+d (2)

Where 'a' and 'c' are the respective slope

If These two lines are perpendicular, then

a=- 1/c

Equation (1) for our case is written as y=2x-8, meaning that a=2 and b = -8

Using those principles we have that the slope for our needed line ('c') has to be -(1/2).

Now we most use the given point to find the remaining term of the equation (d) so, evaluate (-3,-5) in eq (2) to have this:

-5=(-1/2)*(-3)+d

resulting that d=-5-(3/2)

Eq (2) is written now as the following: y= (-1/2)*x - (5+3/2)

Rearranging terms, we have the following:

y+5=(-1/2)*x-(3/2)

where you can obtain a more pretty expression:

y+5=(-1/2)*(x+3)

7 0
4 years ago
Estimate then find the product of 4x979
Ganezh [65]

Answer:

Around 4000[since 979 close to 1000]

Step-by-step explanation:

4x979

=>3916

3 0
4 years ago
Please help answer these and ill give you brainiest if its random ill report
kap26 [50]

Answer: origin, when in which numerator, denominator, or both are themselves fractions, 1.2, if the numerator and denominator have no factors in common,

2.6

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
You spend $24 on school supplies. You purchase pencils for $1 each and pens for $2 each. You purchase a total of 20 pens and pen
Phantasy [73]
You purchased 4 pens and 16 pencils.
7 0
3 years ago
Make a sketch of the region and its bounding curves. Find the area of the region. The region inside one leaf of r
Anastaziya [24]

The region inside one leaf of r the area of the region is pi.20.

r =cos5θ

cos5θ =0

5θ=pi/2 ,5θ=3pi/2

θ=pi/10,θ=3pi/10

area of one leaf = ∫[pi/10 to 3pi/10](1/2)r2dθ

= ∫[pi/10 to 3pi/10](1/2)(cos5θ)2dθ

= ∫[pi/10 to 3pi/10](1/4)(1+cos10θ)dθ

=[pi/10 to 3pi/10](1/4)(θ+ (1/10)sin10θ)

=(1/4)((3pi/10)+ (1/10)sin3pi) -(1/4)((pi/10)+ (1/10)sinpi)

=(1/4)(3pi/10)  -(1/4)(pi/10)

=(1/4)(2pi/10)  

=pi/20

area of one leaf =pi.20.

Region area (calculus) Region area. The non-negative function given by y = f(x) represents a smooth curve on the closed interval [a, b].The area through the curve of f(x), the x-axis, and the perpendicular lines x = a and x = b The bounding region shown in Figure 1 is given by.

Learn more about the area of the region here: brainly.com/question/19053586

#SPJ4

4 0
1 year ago
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