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Ne4ueva [31]
3 years ago
11

5xy+10x^2-y-2x ASAP PLEASS

Mathematics
1 answer:
spayn [35]3 years ago
7 0

Answer:

241

Step-by-step explanation:

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A 2001 study by two researchers investigated an anti-poverty initiative in Venezuela called POVERTA. POVERTA gave money to poor
ANEK [815]

Answer:

1. This is a "RANDOMIZED CONTROLLED EXPERIMENT".

A randomized controlled experiment is a type of research study, were the researcher randomly select samples in other not to be biased. This samples are separated into two groups, which are the experimental and the controlled group.

2. The research has a treatment group and a controlled group.

A treatment group are those group that received some special treatment from the researcher, it can also be called the experimental group. According to the research, the treatment group are those who are in the POVERTA scheme. That is the 320 communities.

A controlled group are those group that were not given any special treatment, but are , separated and studied. According to the research the controlled group are those 185 communities

3. This research provides evidence that being in a community receiving POVERTA benefits is associated with a lower rate of childhood illness. Because after two years, it was noticed the children in the community that receives POVERTA has low rate of illness, than the children in a community that doesn't receive the benefits of POVERTA.

4. This study does not provide evidence that being in a community receiving POVERTA benefits causes a lower rate of childhood illness. Because the research did not involve treatment of illnesses and they is no experimental evidence that shows that POVERTA benefits is interrelated with illness, as illness involves the internal functions of human body.

5. Such study will be called a "RANDOMIZED CONTROLLED EXPERIMENT". Because their randomly isolated themselves, and the POVERTA treatment was not given to them. The researcher was not based in selecting them not to participate.

3 0
3 years ago
How to do number 13 and 14
Murrr4er [49]

From the information: v is 64 while c is 5

Differentiate the new equation h=-16t^{2} + 64t + 5 to get \frac{dh}{dt}= -32t + 64.

no 13). At maximum height this derivative equals zero so: -32t + 64 = 0;  -32t = -64; t=2.Hence ans is 2 secs

no 14). put t as 2 sec in the equation: h=-16t^{2} + 64t + 5.  This gives

h=-16( 2^{2}) + 64(2) + 5; h=-64+128+5=69. Hence h is 69ft

7 0
3 years ago
What is the area of the figure shown below?
german
Área of rectangle= 18 x 14 = 252

Area or triangle=
30-18= 12
12 is the base of the triangle
14 is the height of the triangle
Area of a Triangle= 1/2bh
1/2(12)(14)=84
Área of Triangle= 84

252+84= 336

Answer= 336
4 0
2 years ago
Tarzan finds a large box full. of gadgets that has a volume of 27 cubic feet. what is one side of the box?​
wlad13 [49]

Answer: One side of the box is 3 feet.

Step-by-step explanation: To find the dimensions of the large box, simply solve for x. x = the length of each side. When dealing with volume there a 3 sides.

Solve for x;

x3 = 27

x multiplied by 3 = 27. Simply divide 27 by 3. 27/3 = 9. Then divide 9 by the amount of sides which is 3. 9/3 = 3.

So, one side of the box is 3 feet.

4 0
3 years ago
You decide to put $5,000 in a savings account to save for a $6,000 downpayment on a new car. If the account has an interest rate
Nuetrik [128]

Answer:

Approx 2.61 years.

Step-by-step explanation:

Given that you decide to put $5,000 in a savings account to save for a $6,000 down payment on a new car.

That means A=6000 and P=5000

If the account has an interest rate of 7% per year and is compounded monthly,

Then r=7%= 0.07 and n=12 (monthly)

Now we need to find about how long does it take until you have $6,000 without depositing any additional funds.

So let's plug these values into compound interest formula and fine time t

A=P\left(1+\frac{r}{n}\right)^{\left(nt\right)}

6000=5000\left(1+\frac{0.07}{12}\right)^{\left(12t\right)}

\frac{6000}{5000}=\left(1+0.00583333333333\right)^{\left(12t\right)}

1.2=\left(1.00583333333333\right)^{\left(12t\right)}

\ln\left(1.2\right)=12t\ ln[tex]\frac{\ln\left(1.2\right)}{12\ln\left(1.00583333333333\right)}=t

\left(1.00583333333333\right)[/tex]

2.61218303577=t

Hence answer is approx 2.61 years.

5 0
3 years ago
Read 2 more answers
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