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2 years ago

How long does it take the 07:10 train from Norwich to arrive at Colchester 8:12

Mathematics

1 answer:

EleoNora [17]2 years ago

3 0

It would take the train 1 hour and 2 minutes to get to Colchester. Hope this helps.

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Trevor and marissa together have 26 t-shirts to sell. If marissa has 6 fewer tshirts that trevor, find hiw many tshirts trevor h

Eva8 [605]

Answer:

Number of t-shirts Trevor have are 16

If Trevor have 16 t-shirts, than Marissa will have 10 t-shirts.

Step-by-step explanation:

Let, the number of t-shirts Trevor has = x and number of t-shirts Marissa has = y.

Since, they both have total of 26 t-shirts. We get,

$x+y=26$

Moreover, Marissa has 6 t-shirts less than that of Trevor.

So, we have,

$y=x-6$

On solving the system of equations, we get,

$x+y=26$ implies $x+x-6=26$ implies $2x=26+6$ i.e. 2x= 32 i.e. x= 16.

So, $y=x-6$ implies $y=16-6$ i.e y= 10.

Hence, the number of t-shirts Trevor and Marissa have are 16 and 10 respectively.

That is, If Trevor have 16 t-shirts, than Marissa will have 10 t-shirts.

8 0

3 years ago

What is the area of the shaded region between the two z-scores indicated in the standard normal curve shown below. z=-1.23 z=0.8

Reika [66]

Answer:

Correct option A: 0.6874

Step-by-step explanation:

Hello!

To calculate the area within the interval [-1.23; 0.83], you have to subtract to the probability accumulated till the lower value to the probability accumulated to the higher value, symbolically:

P(Z≤0.83)-P(Z≤-1.23)

You have to use the Z table to look for the corresponding values of probability. The negative value is in the left entry and the positive value is in the right entry. The first column shows the integer and first decimal value, the second decimal value is in the first row, you cross both values and find the value of probability.

P(Z≤0.83)-P(Z≤-1.23)= 0.7967 - 0.1093= 0.6874

I hope it helps!

6 0

3 years ago

PLEASE HELP ME IM RUNNING LOW ON TIME

arlik [135]

Answer:

$1)x = 8 \\ x + y + 2 = 8 + y + 2 = 10 + y \\ 2)x = 9 \\ x + y + 2 = 9 + y + 8 = 17 + y \\ 3)y = 3 \\ x + y + 2 = x + 3 + 2 = x + 5 \\ 4) y = 0 \\ x + y + 2 = x + 0 + 2 = x + 2 \\ 5)x = 6 \: y = 2 \\ x + y + 2 = 6 + 2 + 2 + = 10 \\ thank \: you$

5 0

3 years ago

When coverting centimeters to inches,do you multiply or divide by 2.54?Explain. If someone Explains and gets it correct tell me

sukhopar [10]

Answer:

Divide by 2.54

Step-by-step explanation:

Because a centimeter is smaller than an inch, you have to divide by 2.54 when converting from cm to inches.

7 0

2 years ago

1. Which number is irrational? 3/17 Power of 25 0.6 Power of 33

Oksana_A [137]

This is what irrational means:
A number that cannot be expressed as a ratio between two integers and is not an imaginary number. If written in decimal notation, an irrational number would have an infinite number of digits to the right of the decimal point, without repetition.

so i think its the 3rd one but im not fully sure. I'm NOT that good at math

Hope this Helps!! :-)

6 0

3 years ago

Read 2 more answers