3 years ago

According to a survey, 70 middle school students, or 28%, walk to school. How many students attend the middle school?

Mathematics

1 answer:

krek1111 [17]3 years ago

8 0

Answer:

70/.28 or 70/28 division= /

Step-by-step explanation:

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The fuel consumption rate of 10 vehicles is sampled. The rates, measured in miles per gallon, are 32, 24, 14, 34, 26, 27, 31, 16

blondinia [14]

The best estimate of the population mean is the sample mean

first calculate the sum of all samples:
32+24+14+34+26+27+31+16+18+26=248
then divide by the amount of samples to get the samples mean: 248/10=24.8 miles per gallon

8 0

3 years ago

What is the value of a+ by when a= 7, b= and c= 1/2 ?

Marat540 [252]

Answer:

a = 7

b =?

c = 1/2

a + by = 0

7 + b × 1/2 = 0

7 + 1/2 b = 0

1/2 b = - 7

b = -7 × 2

b = - 14

a + by

= 7 + - 14 × 1/2

= 7 -14/2

= 7 - 7

= <u>0</u>

Step-by-step explanation:

Id.k if you forgot to write the value of b or not, since the value of b is not given, this will be ur answer.

3 0

3 years ago

What is the volume of the figure below? 9 feet 4 feet 5 feet 0 30ft 0 608 90 ft

djyliett [7]

Answer:

120 ft³

Step-by-step explanation:

volume= $\frac{2}{3}$ (l×w×h)

= $\frac{2}{3}$ (9×4×5)

= 120 ft³

4 0

2 years ago

Is 2 1/5 × 1 1/4 greater, equal, or less than 1 1/4

Zielflug [23.3K]

Answer:

2 1/5 x 1 1/4 is greater than 1 1/4

3 0

2 years ago

A manager that owns 3 local area Car Maintenance Garages was researching certifications of mechanics that worked for her company

kvasek [131]

Answer:

B. 1/2

Step-by-step explanation:

In the picture attached, the Venn diagram is shown

amount of ASE certified brakes mechanics: 4+2+2+1 = 9

amount of mechanics: 4+2+2+1+3+3+3 = 18

The probability that a randomly selected mechanic is ASE certified to work on brakes: 9/18 = 1/2

7 0

3 years ago