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In-s [12.5K]
2 years ago
8

Round 12.5478 to the nearest hundredth's

Mathematics
2 answers:
sveta [45]2 years ago
7 0

12.55 because

8 makes the 7 a and that 8 makes the 4 a 5

sp2606 [1]2 years ago
4 0

Answer:

I'm pretty sure it's 12.55

Step-by-step explanation:

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Pls help I’ll brainlest ASAP <br><br><br> Make this sentence better the building is old and ugly
Elden [556K]

Answer:

the building is aged and unique.

6 0
2 years ago
2. A random sample of 30 households was selected as part of a study on electricity usage, and the number of kilowatt-hours (kWh)
Brrunno [24]

Answer:

Step-by-step explanation:

Given that n =30, x bar = 375 and sigma = 81

Normal distribution is assumed and population std dev is known

Hence z critical values can be used.

For 95% Z critical=1.96

Margin of error = 1.96(\frac{81}{\sqrt{30} } )=29

Confidence interval = 375±29

=(346,404)

B) 99% confidence

Margin of error = 2.59*Std error =38

Confidence interval = 375±38

=(337, 413)

C) For 90%

Margin of error = 20

Std error = 20/1.645 = 12.158

Sample size

n=(\frac{81}{12.158} )^2\\=44.38

Atleast 44 people should be sample size.

8 0
3 years ago
PLEASE HELP!!!!
Burka [1]
I think it is negative five
7 0
3 years ago
Angle BCD is a circumscribed angle of circle A. Angle BAC measures 53°.
Pachacha [2.7K]

Answer:

please refer the the photo bellow

answer is C. 74 degree

Step-by-step explanation:

8 0
3 years ago
Si un rombo tiene un lado con medida de 16 pulgadas. Cual es su perimetro . If a rhombus has a side measured 16 inches. What is
kap26 [50]

Answer:

64 inches or 64 pulgadas

Step-by-step explanation:

The formula for the perimeter of a rhombus is given as:

P = 4a

Where a = side length of the rhombus

From the above question, side length of the rhombus = 16 inches

Hence, Perimeter of the rhombus = 4 × 16 inches

= 64 inches

La fórmula para el perímetro de un rombo se da como:

P = 4a

Donde a = longitud del lado del rombo

De la pregunta anterior, la longitud del lado del rombo = 16 pulgadas

Por lo tanto, perímetro del rombo = 4 × 16 pulgadas

= 64 pulgadas

6 0
2 years ago
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