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3 years ago

If ΔABC ≅ ΔDEF, then ∠B is congruent to:

Mathematics

2 answers:

Roman55 [17]3 years ago

6 0

Answer:

the a correct

Step-by-step explanation:

Umnica [9.8K]3 years ago

5 0

Answer:

∠B = ∠E

Step-by-step explanation:

If ΔABC ≅ ΔDEF, then:

∠A = ∠D

∠B = ∠E

∠C = ∠F

(pair of corresponding angles are congruent)

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GaryK [48]

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0.600860619 = x / 39

x = 0.600860619 × 39

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______________________________

Round to the nearest tenth :

x = 23.4

Round to the nearest hundredth :

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3 0

3 years ago

A concrete mix is designed to withstand 3000 pounds per square inch (psi) of pressure. The following data represent the strengt

ss7ja [257]

Answer:

Mean = 3640

Mode = 4100

Median = 3830.

Step-by-step explanation:

We are given the following data in the question:

Strength of casts (in psi):

3970,4100,3100,3200,2950,3830,4100,4050,3460

Formula:

$Mean = \displaystyle\frac{\text{Sum of all observation}}{\text{Total number of observations}}$

$\displaystyle\frac{3970+4100+3100+ 3200+ 2950+ 3830+4100+ 4050+ 3460}{9} = \displaystyle\frac{32760} {9} = 3640$

Mode is the entry with most frequency. Thus, for the given sample mode = 4100.

Median

Since n = 9 is odd,

Formula:

$Median = \displaystyle\frac{n+1}{2}th~term$

Data in ascending order:

2950,3100,3200,3460,3830,3970,4050,4100,4100

Median = 5th term = 3830.

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4 years ago

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katrin2010 [14]

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2 years ago

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