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drek231 [11]
3 years ago
5

Car A travels 105 miles on 3 gallons of petrol.

Mathematics
1 answer:
Aloiza [94]3 years ago
7 0

Answer:

Car B

Step-by-step explanation:

Car A: 105 miles/3 gallons

= 35miles/gallon

1 gallon = 4.5 litres

So 9 litres = 2 gallons

Car B: 80 miles/2 gallons

= 40 miles/gallon

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Write an equation in slope-intercept form for the line with slope 4 and y-intercept -5.
ArbitrLikvidat [17]

Answer:

y = 4x -5

Step-by-step explanation:

y = mx+b

m = slope

b = y-intercept

so y= 4x -5

7 0
3 years ago
Simplify the expression.<br><br><br> 5(2) + 2(4 + 3)<br><br> 21<br> 24<br> 84<br> 140
Leona [35]

Answer:

24

Step-by-step explanation:

5(2) + 2(4 + 3)

5 x 2 + 2 x 7

10 + 14 = 24

Here you go! :D

7 0
3 years ago
Read 2 more answers
In a game of poker a hand of five cards is dealt to each player from a deck of 52 cards. find the probablility of a hand contain
aalyn [17]

Answer:

0.00597

Step-by-step explanation:

Given,

Total number of cards = 52,

In which flush cards = 20,

Also, the number of spade flush cards = 5,

Since,

\text{Probability}=\frac{\text{Favourable outcomes}}{\text{Total outcomes}}

Thus, the probability of a hand containing a spade flush, if each player has 5 cards

=\frac{\text{Ways of selecting a spade flush card}}{\text{Total ways of selecting five cards}}

=\frac{^{20}C_5}{^{52}C_5}

=\frac{\frac{20!}{5!15!}}{\frac{52!}{5!47!}}

=\frac{15504}{2598960}

= 0.00597  

7 0
3 years ago
Evaluate 3xy with an exponent of 2 y, if x=2 and y=5
Bogdan [553]

Answer:

145

Step-by-step explanation:

x = 2 , y= 5

Putting the values of x and y in the expression

=3(2) (5)^2-5

=3(2)(25)-5

=150 -5

=145

8 0
3 years ago
Please help if you can and if you know how to help me understand these Im all ears.
maw [93]

Aight let's answer this step by step

What you need to know is if two values are equal either one will be similar to the other it's only the format that's different if you calculate each of the fractions you'll see each pair is equal except for the last option

Where if calculated

8/3=2.67 but

5/4.8=1.04

Therefore values aren't equal to each other

6 0
3 years ago
Read 2 more answers
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