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My name is Ann [436]
3 years ago
13

A car can travel 400 miles on a full tank of petrol. A more efficient car can travel 32% further. How many miles can it travel o

n a tank?
Mathematics
1 answer:
Lorico [155]3 years ago
3 0

Answer:

Answer:160 miles


Explanation:

You can work out this type of question by using the 'unitary' method, which means finding out how much for ONE.


If you set out the steps with short sentences it will be clearer.


 

On 15 gallons, a car can travel 400 miles÷15↓

On 1 gallon, a car can travel 400÷15=262


miles


Once you know the distance travelled on 1 gallon of fuel, you can work out the distance travelled for any number of gallons.


 

On 6 gallons the car can travel

6

×

26

2

3

miles.

(6 times further than on 1 gallon)


6

×

80

3

=

160

miles

Step-by-step explanation:


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Answer:

-2.5

Step-by-step explanation:

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v1=55

vo=35

t=10

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6 0
3 years ago
Select the correct answer.
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Answer:

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Line up 192 months on the x-axis with the line of best fit then run it across to the y-axis and it should be around 163 seconds.

8 0
3 years ago
The plates at the local restaurant have a diameter of 6.3 inches. What is the circumference of the plates?
rusak2 [61]
since diameter is given, use the 2nd equation

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7 0
2 years ago
2 PUNTS
xz_007 [3.2K]

Answer:

x^2  +  y^2  = 4

Step-by-step explanation:

The center-radius form (formally called the standard form) of a circle is

(x-h)^2+(y-k)^2=r^2 where (h,k) is the center and r is the radius.

So if we replace (h,k) with (0,0) since the center is the origin and r with 2 since the radius is 2 we get:

(x-0)^2+(y-0)^2=2^2

Let's simplify:

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8 0
3 years ago
Seventy dash fiveSeventy-five percent of households say they would feel secure if they had​ $50,000 in savings. You randomly sel
Tresset [83]
A) 0.2076
B) 0.6786
C) 0.3214

Explanation:
A) P(X=5)=_8C_5(0.75)^5 \times(1-0.75)^{8-5}
\\
\\=_8C_5(0.75)^5 \times (0.25)^3=0.2076
B) We find the probability that X=6, 7, or 8:
P(X=6)=_8C_6(0.75)^6(0.25)^2=0.3115
\\
\\P(X=7)=_8C_7(0.75)^7(0.25)^1=0.267
\\
\\P(X=8)=_8C_8(0.75)^8(0.25)^0=0.1001
\\
\\0.3115+0.267+0.1001=0.6786
C) P(X≤5) = 1-P(X>5) = 1-0.6786 = 0.3214
5 0
3 years ago
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