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Galina-37 [17]
3 years ago
13

Find each measure:

Mathematics
1 answer:
stich3 [128]3 years ago
7 0
Angle DGH is 137/2 = 68.5, and angle HJG is 89. So we can find angle EHG as follows:
180 - (68.5 + 89)
= 180 - 157.5
= 22.5
Arc EG is twice 22.5, which is 45 degrees
Arc DE is 360 - (137 + 61 + 45), because the number of degrees in a circle is 360. We simplify as follows:
Arc DE = 117 degrees.
---
Hope this helps!
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PLEASE HELP ME!
marshall27 [118]

---------------------

given:

 = cost of Brazilian coffee in mixture

 = cost of Venezuelan coffee in mixture

 = cost of mixture

---------------------

Now I can rite these equations:

(1) 

(2) 

Multiply both sides of (2) by  and

subtract from (1)

(1) 

(2) 

and, since

288 kg of Brazilian coffee and 96 kg of Venezuelan coffee are needed

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2 years ago
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Read 2 more answers
Find an equation for the nth term of a geometric sequence where the second and fifth terms are -8 and 512, respectively.
love history [14]
The correct answer is C) a_n=2\times(-4)^{n-1}.

Since it is a geometric sequence, we multiply by a constant, r, each time to find the next term.

g₂ = -8
g₅ = 512

g₂ * r * r * r = g₅
-8(r)(r)(r) = 512
-8r³ = 512

Divide both sides by -8:
-8r³/-8 = 512/-8
r³ = -64

Take the cubed root of both sides:
∛r³ = ∛-64
r = -4

Now we work backward from g₂ to find g₁:

-8/-4 = 2

We have that g₁ = 2 and r = -4.  This gives us

a_n=g_1 \times r^{n-1}
\\
\\a_n=2 \times (-4)^{n-1}
5 0
3 years ago
What is the amount of change of 200-125
kati45 [8]
The answer to that would be 0.125 because you do 25 divided by 200= which equals 0.125.
7 0
3 years ago
The length of a rectangle is 4 meters less than 2 times the width of the perimeter is 40 meters. Find the width.
jek_recluse [69]

Answer:

Step-by-step explanation:

"length is 4 meters less than 2 times the width"

L = 2W+4

"perimeter is 40 meters"

2L+2W = 40

L+W = 20

(2W+4) + W = 20

3W + 4 = 20

W = 16/3 meters

8 0
3 years ago
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