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Mazyrski [523]
2 years ago
11

HELP ME QUICKLY PLEASE IM GIVING BRAINLIEST!!!

Mathematics
1 answer:
xenn [34]2 years ago
8 0

Answer:

its the second one

Step-by-step explanation:

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Workers Inc. just bought 14 boxes of pens to put in their storage room for employees to use as needed. Each box contains 45 pens
Igoryamba
14x45=630
43×2=86
(14×45)-(43×2)= 630-86=544
there would be 544 pens left
3 0
3 years ago
Researchers investigated the possible beneficial effect on heart health of drinking black tea and whether adding milk to the tea
Elanso [62]

Answer:

(a)  It is an experiment.

(b) Group III has been tested to compare the effect of tea

Step-by-step explanation:

24 volunteers are randomly selected to one of the three groups.

Group I drinks two cups of hot black tea without milk

Group II drinks two cups of hot black tea with milk

Group III drinks two cups of hot water but no tea.

At the end of the month, the researchers measured the change in each of the participant's heart health.

The average change of health status of three Groups can be measured and let it be X1', X2' and X3'. We can set up the hypothesis of no difference of heart health i.e H0 : µ1 = µ2 = µ3 against the alternative hypothesis that they are not equal. As the sample size is less than 30, we can use t-statistic.

Under the above logic, (a) it is an experiment.

(b) Group III has been tested to compare the effect of tea or to have comparison between GroupI and Group III.

4 0
3 years ago
What is 10 months after July
Maksim231197 [3]
May is the 10th month after july
7 0
3 years ago
Read 2 more answers
 I need help the answers that are there are
stealth61 [152]

Answer:

5 is congruent by HL this is because  both have a right angle and a congruent side

6 you do not have enough information.

4 0
3 years ago
The recipe calls for I cup of water to be mixed with 6 cups of cake mix. How much water should be mixed with 21 cups of cake mix
enot [183]
1/x=6/21

What you need to do is set it up as a proportion.  1 cup to 6 cups cake mix, x cups to 21 cups cake mix.  

21/6 is 3.5

So 3.5 cups of water to 21 cups of cake mix (:

Hope this makes sense!
8 0
3 years ago
Read 2 more answers
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