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Yakvenalex [24]
2 years ago
12

two amounts of money are in the ratio 8:3.if the second amount is $4.05, what is the value of the first amount

Mathematics
1 answer:
bulgar [2K]2 years ago
5 0

Answer:

10.8$

Step-by-step explanation:

(8*4.03)/3 = 10.8

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It takes 2 tablespoons of peanut
kipiarov [429]

Answer:

16 tablespoons of peanut butter and 24 tablespoons of jelly which is 40 tablespoons all together

Step-by-step explanation:

2*8=16

3*8=24

16+24=40  

5 0
3 years ago
A certain drug is used to treat asthma. In a clinical trial of the drug, 21 of 250 treated subjects experienced headaches (based
lozanna [386]

Answer:

a) The test is left-tailed.

Step-by-step explanation:

a) Hypothesis testing is tagged two-tailled if the test checks for a claim in both directions (greater than and less than).

It is one tailed if it checks for a claim in only one direction (either greater than or less than). It is left-tailed of it is testing the claim in a less than direction and right-tailed if it is testing the claim in a greater than direction.

This question is to check results from a test of the claim that less than 8% of treated subjects experienced headaches. It is evidently left tailed.

Hope this Helps!!!

3 0
3 years ago
Solve the equation<br> 2/3x-6=9
Anestetic [448]

Answer: 2/3-6=9 is equal to = − 2(2x+6)

6 0
2 years ago
Read 2 more answers
A set of telephone poles is stacked in a pile, 8 layers high. The top layer consists of 20 telephone
Anarel [89]

<u><em>Answer:</em></u>

D. 272 poles

<u><em>Explanation:</em></u>

<u>We are given that:</u>

The top layer has 20 poles, the next down one has 24 poles and the third one has 28 poles

<u>We can note that</u> each layer has 4 poles more that the one above it

<u>Based on this, we can get the number of poles in each layer as follows:</u>

Top layer has 20 poles

Second one has 20 + 4 = 24 poles

Third one has 24 + 4 = 28 poles

Fourth one has 28 + 4 = 32 poles

Fifth one has 32 + 4 = 36 poles

Sixth one has 36 + 4 = 40 poles

Seventh one has 40 + 4 = 44 poles

Eighth one has 44 + 4 = 48 poles

Now, we can get the total number of poles by adding the poles in all layers

<u>This is done as follows:</u>

Total number of poles = 20 + 24 + 28 + 32 + 36 + 40 + 44 + 48

Total number of poles = 272 poles

Hope this helps :)

5 0
3 years ago
Which line segments are diameters of circle U? choose all answers that are correct.
fomenos
B and D is correct



PS QT



GOOD LUCK
3 0
3 years ago
Read 2 more answers
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