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maw [93]
3 years ago
12

Based on your results of this test, is there enough evidence to suggest that there is a difference in weight between infants of

US-born mothers compared to infants born to African-born mothers?
Mathematics
1 answer:
OleMash [197]3 years ago
6 0

Answer:

There is a great discrepancy between infant born by US mother and infant born by African mother. These are the likely difference

1.food

2.Medical care

3.Environmental factors

Step-by-step explanation:

Food: The composition of food a US born infant received from his mother is quite different from that of infant born by African woman because an average US woman would ensure he get good baby or infant meal that added to the weight of the baby while an infant born by African mother might find it difficult because of high rate of poverty that actually leads to reduction of the African infant weight.

2.Medical care:Looking at the rate the infant born US mother receive proper care ranging from pregnancy to point of delivery. It really tells on the weight of the infant by the US mother while average African mother hardly get proper care from the stage of pregnancy because of lack of medication that really affect the child weight at birth and after birth.

3.Environmental factor: The climatic condition of the environment in Us generally tells on the weight of the infant as the body acclimatize to the environmental temperature for the infant weight while the African born infant experiences hardship weather conditions that have a reduction in the infant born African woman.

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When a number is increased by 9 it is five times its opposite. Find the number.
Alla [95]

Let the unknown number be x.

Then the opposite of this unknown number will be -x.

It is given to us in the question that when this unknown number, x is increased by 9, or in other words when 9 is added to this unknown number, x, then this becomes 5 times it's opposite, which is -x.

Thus, from the given condition in the question, the equation we get is as:

x+9=-5x

We will solve this by isolating x as:

x+5x=-9

6x=-9

x=-\frac{3}{2} =-1.5

Thus the required number is -1.5

7 0
3 years ago
Can someone please be generous & help I’ve been struggling all night
Alchen [17]

Answer:

Slope-intercept

y = 3/4(x) - 7

Point slope

y -5= 3/4(x - 16)

Step-by-step explanation:

In slope-intercept

We have the general slope intercept as;

y = mx + b

where m is the slope and b is the y-intercept

in this case, m = 3/4 and b = -7

So we have;

y = 3/4(x) - 7

In point-slope

we have the general form as;

y-y1 = m(x-x1)

So what we have is as follows;

y -5= 3/4(x - 16)

Where we have (x1,y1) = (16,5)

3 0
3 years ago
16cm/min equals how many meters in one hour
Phantasy [73]
16cm x 60 would give you the centimeters per hour 
16 x 60 = 960cm
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(There are 60 minutes in an hour which is how i got that number)
6 0
4 years ago
Prove that root 7 is irrational by the method of contradiction
Alchen [17]

Let assume that \sqrt7 is a rational number. Therefore it can be expressed as a fraction \dfrac{a}{b} wherea,b\in\mathbb{Z} and \text{gcd}(a,b)=1.

\sqrt7=\dfrac{a}{b}\\\\7=\dfrac{a^2}{b^2}\\\\a^2=7b^2

This means that a^2 is divisible by 7, and therefore also a is divisible by 7.

So, a=7k where k\in\mathbb{Z}

(7k)^2=7b^2\\\\49k^2=7b^2\\\\7k^2=b^2

Analogically to a^2=7b^2 ------- b^2 is divisible by 7 and therefore so is b.

But if both numbers a and b are divisible by 7, then \text{gcd}(a,b)=7 which contradicts our earlier assumption that \text{gcd}(a,b)=1.

Therefore \sqrt7 is an irrational number.

8 0
4 years ago
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sleet_krkn [62]
C. 102 is the answer
8 0
3 years ago
Read 2 more answers
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