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zimovet [89]
3 years ago
8

-21:(-7)+4.(-7-12 = CUANTOS ES??

Mathematics
1 answer:
KiRa [710]3 years ago
7 0
The answer is 71
Is it simplify or evaluate
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Anthony travels from Newcastle to Manchester at an average speed of 65 miles per hour.
jasenka [17]

Answer:

See below

Step-by-step explanation:

Distance = rate * time

              = 65 m/hr * 2 1/4 hr = 146.25 miles

rate = distance / time

for Declan :   rate =  146.25 miles / (2 hrs + 35/60 min) = 56.61 mph

7 0
2 years ago
The Olympic-size pool at the recreational center is a right rectangular prism 50\, \text{m}50m50, start text, m, end text long a
frez [133]

Answer:

The depth of the water in the pool is 2.4 metres

Step-by-step explanation:

The Volume of Water in the Pool= 3000m³

Length of the Pool=50m

Width of the Pool=25m

Height=?

Volume of a Rectangular Prism= Length X Width X Height

3000= 50 X 25 X Height

3000= 1250H

H=3000/1250

Therefore, the Height of water in the pool = 2.4m

The water in the pool is 2.4 metres deep.

5 0
4 years ago
Plzzzzz help right answer gets a brainly!
Ganezh [65]

Answer:

25

Step-by-step explanation:

7 0
3 years ago
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A manufacturer of cell phone screens has found that 5 percent of all screens produced have defects. Let pd represent the populat
expeople1 [14]

Answer:

A

Step-by-step explanation:

B,.C and D are wrong because

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D. The question is not referring to a standard deviation

3 0
3 years ago
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what could the number -18 represent? using the same situation, what would its opposite represent? what would 0 represent?
kenny6666 [7]
-18= you owe 18 dollars
18= you earned 18 dollars
0= you owe nothing/you earned nothing
4 0
4 years ago
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