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vova2212 [387]
3 years ago
10

Karl’s watering system rotates at a constant. One complete rotation takes 72 hours. Following the circular motion of the waterin

g system, how many degrees was watered after TWO DAYS?
Mathematics
1 answer:
pentagon [3]3 years ago
5 0

Answer:

After two days, 240 degrees was water.

Step-by-step explanation:

24 hours = 1 day

72 hr/24 hr = 3 days

Therefore, one full rotation takes 3 days.

1 rotation = 360 degrees

360 degrees/ 3 days = 120 degrees per day

120 degrees x 2 days = 240 degrees

240 degrees was watered after two days

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Technician A says that a cylinder leakage test fills the cylinder with compressed air and the gauge indicates the percentage of
alukav5142 [94]

Answer:

Technician A is correct.

Step-by-step explanation:

Technician A says that a cylinder leakage test fills the cylinder with compressed air, and the gauge indicates the percentage of leakage.

This is correct.

The cylinder leakage test is also called engine leak down test. Here rather than measuring the ability of engine to generate pressure, compressed air is filled in the cylinder via spark plug hole.

8 0
3 years ago
2 üssü - 12 ile 25 üssü 2 nin çarpımı nedir?​
KengaRu [80]

Answer:

2 üssü 12 demek 2'yi 12 defa yanyana yazmak demektir yani 2×2×2×2×2×2×2×2×2×2×2×2×=4096 eder.

şimdi diğerini yapalım aynı şekilde yapmış olursak 25×25 =625 eder

ŞİMDİ SONUCU BULALIM:4096×625=2,560,000

KOLAY GELSİN

7 0
3 years ago
A grocery store sells a 6-pack of bottle water for $3.79, a 9-pack for $4.50, and a 12-pack for $6.89. Which package costs the l
stiks02 [169]
Cost per bottle

6 pack is 3.79 so the cost per bottle is 3.79/6=$0.631666666666667 per bottle

9 pack is 4.50 so the cost per bottle is 4.50/9=$0.50 per bottle

12 pack is 6.89 so the cost per bottle is 6.89/12=$0.574166666667 per bottle

0.63>0.57>0.50

the one that costs the least per bottle is the 9 pack which costs $0.50 per bottle
5 0
3 years ago
Rlly needing some help asap thanks
olga nikolaevna [1]
Its a 50/50 chance because a coin only has 2 side
4 0
3 years ago
Read 2 more answers
Previously 5% of mothers smoked more than 21 cigarettes during their pregnancy. An obstetrician believes that the percentage of
mr Goodwill [35]

Answer:

p value = 0.03514

Step-by-step explanation:

Hypotheses would be

H_0: p = 0.05\\H_a: p

(left tailed test at 10% level of significance)

Here p stands for the sample proportion of mothers smoked more than 21 cigarettes during their pregnancy.

Sample size =130

persons who smoked = 2

Sample proportion = \frac{2}{130} \\=0.0154

Assuming H0 to be true

Std error= \sqrt{0.05*0.95/130} \\=0.01911

p difference = -0.0346

Test statistic z=-1.81

p value = 0.03514

Since p is less than 0.10, significance level, we reject H0

4 0
3 years ago
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