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lyudmila [28]
3 years ago
8

Can you help me please will give brainliest

Mathematics
1 answer:
iVinArrow [24]3 years ago
7 0

Answer:


Step-by-step explanation:

those are weird numbers but where are the answer options

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5 The Young family is replacing their central air-conditioning with a high- efficiency unit that costs $11798. The family is off
kari74 [83]

Answer:

12742.84$

Step-by-step explanation:

11798 (the price) + 11796 x 0.08 (8% interest)=12742.84

6 0
2 years ago
Determine whether the study depicts an observational study or an experiment. Thirty university students are divided into two gro
alex41 [277]

Answer:

The provided study is an experiment.

Step-by-step explanation:

Consider the provided information.

Observational study: In this study observer only observe the subjects, and measure variables of interest without allocating treatments to subjects.

For example: you want to examine the  side effect of smoke on lung.

Experiment study:The researchers are applying treatments to experimental units in the research, then the effect of the treatments on the experimental units is observed.

For example: Flipping a coin

Now consider the provided information:

Thirty university students are divided into two groups. One group receives free tutoring in mathematics comma the other doesn't. After one semester comma scores on final mathematical examinations are compared.

Here, the researcher applying treatment to experimental units.

Thus, the provided study is an experiment.

6 0
3 years ago
How can 225% also be expressed as a fraction or mixed number? Express in simplest form.
defon
<span>Welll since</span> <span>is</span> a percentage we <span>now is</span> over 100...
225/100
We can simplify this...9/4
That is our fraction... In mix number is...
2 25/100
We can simplify 25 and 100 dividing them by 25 <span>sooo</span>...
The Mix number is 
2 1/4


Percentage
225%

Fraction
225/100
<span>or</span> 
9/4

Mix Number
2 25/100
<span>or</span> 
2 1/4

It can also be seen as...
2.25 

Hope it help :3
5 0
3 years ago
Good Luck! :) Try your best.
ivanzaharov [21]

Answer:

( 2 , 6 )

Step-by-step explanation:

Your going over two and up six. Rise over run is a good thing to remember when doing these.

8 0
3 years ago
Observe the graph below. The scale factor used to dilate ABC was...
Lera25 [3.4K]

Answer:

3

Step-by-step explanation:

AB = 1 unit

A'B' = 3 units

The scale of dilation = A'B'/AB

Therefore:

scale of dilation = 3 units / 1 unit = 3

This means that ABC was dilated or enlarged in size by multiplying every of its segment by 3. In essence, A'B'C' is 3 times the size of ABC.

7 0
3 years ago
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