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Lemur [1.5K]
3 years ago
7

£45 is shared in the ratio 2:7 . Work out the largest share

Mathematics
1 answer:
My name is Ann [436]3 years ago
5 0

Answer:

£35 is the largest share

Step-by-step explanation:

7/9×£45=£35

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Copy each statement. Insert +,-,x, or ÷ symbols to make this statement true. 14-2-7-3-9=10 please help
Svetlanka [38]
(14×2)÷7-3+9=10 because 14x2=28, 28÷7=4, 4-3=1+9= 10
5 0
3 years ago
The truck is going to be packed with washing machines. These measure 5 ft. by 5 ft. by 6 ft. How many washing machines can be pa
Leto [7]

Answer:

I will answer

Step-by-step explanation:

how much is the truck in area

7 0
3 years ago
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Random samples of female and male UVA undergraduates are asked to estimate the number of alcoholic drinks that each consumes on
KatRina [158]

Answer:

Confidence Interval =-3.4085 ,+0.7915

Step-by-step explanation:

The confidence interval can be determined by

(x1`- x2`) ± 1.955 √s1²/n1 + s2²/n2

The mean and the standard deviations can be calculated using the calculator.

The mean x1`= ∑x/ n=  2+ 2+ 2+ 5+ 5+ 5+ 1+2+ 3+ 5/10

                                   = 32/10= 3.2

Standard deviation = s1`= 1.536

The mean x2`= ∑x/ n=  5 +4 +5+ 7+ 4+ 7+ 5+ 4+ 4+ 8/10

                                   = 53/10= 5.3

Standard Deviation = s2= 1.4177=1.42

Putting the values

(x1`- x2`) ± 1.955 √s1²/n1 + s2²/n2

(3.2-5.3 ) ± 1.955 √1.54²/10 +1.42²/10

-2.1 ± 1.955 √ 2.37/10 +2.11/10

-2.1 ±  1.3085

-3.4085 ,+0.7915

5 0
3 years ago
A cell phone carrier charges a fixed monthly fee plus a constant rate for each minute used. Part 1. In January, the total cost f
rjkz [21]

Answer:

The constant charge for each minute used is $50

Step-by-step explanation:

In order to solve this problem we will need to set two variables up. In this case:

F = constant Fee

R = rate per minute used

So the cost for the month of January is calculated like this:

F+300R=68

and the cost for February is calculated like this:

F+275R=66.5

So no we have a system of equations we can solve simultaneously. This can be solved by using different methods, elimination, substitution, graphically or by using matrices. I will solve this by substitution.

So let's solve the first equation for R:

R=\frac{68-F}{300}

and let's substitute this first equation into the second equation:

F+275(\frac{68-F}{300})=66.5

and now we can solve this for F:

F+11(\frac{68-F}{12})=66.5

We can multiply both sides by 12 so we get:

12F+11(68-F)=798

12F+748-11F=798

F= $50

3 0
3 years ago
PLEASE HELP ME ANSWER THIS!!
mrs_skeptik [129]

Answer:

i think its X=108

Step-by-step explanation:

5 0
3 years ago
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