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Karolina [17]
3 years ago
13

Zarah pays the same amount for each text message she sends.

Mathematics
1 answer:
lys-0071 [83]3 years ago
8 0

Answer:

64 messages

Step-by-step explanation:

first we simplify the question if the cost of 52 messeges is 4.16 what about the no. of messages that cost 5.12

4.16=52

5.12=?

we multiply 5.12 by 52 and divieded 4.16

5.12*52/4.16=64

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State whether the quantity described is a parameter or a statistic and give the correct notation. Average household income for a
kogti [31]

Answer:

b) statistic.

Step-by-step explanation:

In applied statistical work we rarely have the opportunity to measure entire populations, instead we make inferences about the populations from samples drawn, ideally randomly from the population. We usually want to know averages from whole populations, but use the average from a sample as our best guess at the population average. The unknown population average is called a parameter. The known sample average is called a statistic.

As a matter of convention, most statistical texts use greek symbols for population parameters and the English or Arabic letters for sample statistics. For example, a sample mean is often denoted as x-bar . Population means are denoted with the lower-case greek letter mu μ .

4 0
4 years ago
Amelia and Elliott are collecting empty soda cans for recycling. Amelia has 13 less than 5 times the cans that Elliott has. Toge
bezimeni [28]
The answer is C

Start by making two equations with the given information

The first would just be their total cans:
E + A = 257

The second would be:
5E - A = 13

Then combine the equations to eliminate one variable.

6E = 270
E = 45

Now plug E back into one of the equations.

45 + A = 257
A = 212


8 0
4 years ago
Select all that apply.
marysya [2.9K]

Answer:

CD is the name of a ray in the drawing ⇒ 3rd answer

Step-by-step explanation:

A ray is a part of a line that has one endpoint and goes on infinitely in only one direction.

From the drawing:

∵ CA has C as a starting point

∵ A is a point on it

∵ Its direction from C to A

∴ CA is a ray

∵ CB has C as a starting point

∵ B is a point on it

∵ Its direction from C to B

∴ CB is a ray

∵ CD has C as a starting point

∵ D is a point on it

∵ Its direction from C to D

∴ CD is a ray

∵ CF has C as a starting point

∵ F is a point on it

∵ Its direction from C to F

∴ CF is a ray

From the answer:

CD is the name of a ray in the drawing

7 0
3 years ago
For an arithmetic sequence,first term is 2 and the common difference is 3 find the sum of the first 11
romanna [79]

Answer:

35

Step-by-step explanation:

by adding three to the next number each time, the answer is 35

6 0
3 years ago
for every pound a company spends on advertising it spends £0.64 on its websites. express the amount spent on advertising to the
melomori [17]
The ratio expression is £ 1.00 : £0.64 =  100:64
                                       = 25:16
7 0
3 years ago
Read 2 more answers
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