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3 years ago

Which of the following is 1 2 over 4 in its simplest form?

Mathematics

2 answers:

iVinArrow [24]3 years ago

7 0

Answer:

i don' know

Step-by-step explanation:

Katen [24]3 years ago

6 0

Answer:

its 3

Step-by-step explanation:

3 is your answer I hope this help

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Use right triangle tools to find the unknown measures. Round lengths to the nearest tenth and angle measures to the nearest degr

timama [110]

Step-by-step explanation:

OP=11.2

m<Q= 42⁰

m<R=48⁰

The tools used are....

I have used the property of Pythagoras Theorm to get the length of side QP, I have also used the property of inverse function of sin to get the measure of angle Q and the property of sum of angles of triangle to get measure of angle of R

5 0

2 years ago

A local water company charges a flat fee of $5 per month, plus $0.0007 per gallons, and $0.0009 per gallon for every gallon for

cestrela7 [59]

Answer:

Total cost= $51

Step-by-step explanation:

Giving the following information:

Fixed cost= $5

From 0 to 40,000 gallons= $0.0007 per gallon

From 40,001 to infinity= $0.0009

We need to calculate the total cost for 60,000 gallons:

Total cost= 5 + 40,000*0.0007 + 20,000*0.0009

Total cost= $51

7 0

3 years ago

Substitute the known value of x into y=4x+20. Then solve for y entering the equation in simplest form

scoray [572]

Answer:

$y=24,$ when $x=1$ .

Step-by-step explanation:

Given: $y=4x+20$

To find: Value of $y$ , substituting the known value of $x$

We have,

$y=4x+20 ...(i)$

Putting $x=1$ in equation $(i)$ , we get

$y=4(1)+20$

$\implies y=4+20$

$\implies y=24$

Hence, the value of $y$ is $24$ , when the value of $x$ is $1$ .

8 0

3 years ago

Use a graphing calculator to find the value of the correlation coefficient r and determine if there is a strong correlation amon

Natali [406]

The value of the correlation is -0.0721 and it is a weak negative correlation

<h3>How to determine the correlation coefficient?</h3>

The points are given as:

(12, 28), (15, 50), (18, 14), (21, 28), (24, 36)

Enter the above points in a graphing calculator.

From the graphing calculator, we have the following summary:

X Values

Sum X = 90
Mean = 18
∑(X - Mx)^2 = SSx = 90

Y Values

Sum Y = 156
Mean = 31.2
∑(Y - My)^2 = SSy = 692.8

X and Y Combined

N = 5
∑(X - Mx)(Y - My) = -18

R Calculation

r = ∑((X - My)(Y - Mx)) / √((SSx)(SSy))

This gives

r = -18 / √((90)(692.8)) = -0.0721

So, the correlation coefficient is -0.0721

The above is a negative correlation because it is less than 0 and it is a weak correlation because it is closer to 0 than -1

Hence, the correlation is a weak negative correlation

Read more about correlation coefficient at:

brainly.com/question/27226153

#SPJ1

7 0

2 years ago

Analyze Lorena's work to determine which statements are correct. Check all that apply. In Step 1, she correctly distributed ‚Äì3

12345 [234]

Answer:

The answer is "The correct step are 1, 2 and 4 ".

Step-by-step explanation:

In the question some data is missing so, its correct question can be defined as follows:

In the given equation:

$\to \bold{5k -3(2k- \frac{2}{3}) -9 =0}$

Lorena's steps should be evaluated

In Stage 1: It is right because it allocates – 3 to parentheses appropriately, , that's why she has 5k-6k+2-9=0

In Stage 2: It is right because in this term 5k and 2k are merged, that's why she got -k-7=0

In Stage 3: It is not right because the propagation property of fair treatment was not used.

In Stage 4: It is right because it multiplies the variable on one of the two sides by -1. So, k=-7 to get.

6 1

3 years ago

Read 2 more answers