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zalisa [80]
3 years ago
11

PLZ HELP I NEED BY 2:00 PM ATY LEAST!!! WILL GIVE BRAINLYIST Find the value of in each case:

Mathematics
2 answers:
Pie3 years ago
7 0

Answer:

23°

Step-by-step explanation:

Step 1:

< GEC + < ECG + < CGE = Δ ECG    Sum of a Δ

Step 2:

< IGF = < GCE    Corresponding ∠ 's

Step 3:

14° + 180° - 4x + 78° = 180°   Substitution

Step 4:

272° - 4x = 180°     Add / Algebra

Step 5:

- 4x = - 92   Subtract 272° on both sides

Step 6:

- 92 ÷ - 4   Divide

Answer:

x = 23°

Hope This Helps :)

dimulka [17.4K]3 years ago
6 0

Answer:

x = 23

Step-by-step explanation:

<IGF and <ICE are congruent because they are corresponding angles of parallel lines cut by a transversal.

m<ICE = m<IGF = 14

<BEC is an exterior angle.

Theorem:

The measure of an exterior angle of a triangle is equal to the sum of the measures of the remote interior angles.

m<BEC = m<EGC + m<ICE

4x = 78 + 14

4x = 92

x = 23

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5 0
3 years ago
Computer keyboard failures are due to faulty electrical connects (8%) or mechanical defects (92%). Mechanical defects are relate
sdas [7]

Solution :

Faulty electrical connects = P(A) = 0.80

Mechanical defects = P(B) = 0.92

Mechanical defects are related to loose keys = P(C/B) = 0.27

Improper assembly = P(D/B) = 0.73

Defective wires  = P(E/A) = 0.35

Improper connections = P(F/A) = 0.13

Poorly welded wires = P(G/A) = 0.52

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Poorly welded wires = 0.52 x 0.80 = 0.4160

So, the probability that a failure is due to improperly connected or poorly welded wires = 0.1040 + 0.4160

                       = 0.5200

8 0
3 years ago
Silas just bought a used car for $5000. It loses value at a rate of 30% per year. The value of the car in n years is modeled by
Fantom [35]

Answer:

$1200.50

plug 5 for n

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8 0
3 years ago
a store sells small notebooks for $7 and large notebooks for $14. if a student buys 6 note books for $63, how many notebooks eac
bija089 [108]
The answer is 3 of each.  3X7=21; 14X3=42, and 42+21= 63.
4 0
3 years ago
Read 2 more answers
Lim (sin(pi/x)) as x tends to 0 from both sides​
strojnjashka [21]

Hello from MrBillDoesMath!

Answer:

Limit does not exist.

Discussion:

The function 1/x has a vertical asymptote as x approaches 0 so

sin (pi/x) has no limit as x approaches 0. In fact, it oscillates wildly between -1 and 1 as x approaches 0. See attached graph of function

Thank you,

MrB

8 0
3 years ago
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