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forsale [732]
3 years ago
8

I'll make you brainliest Easyquestion 6th grade multiply and add fractions pleaze answer it ASAP

Mathematics
2 answers:
kirill115 [55]3 years ago
6 0

area of triangle= bh/2

                         = 10.5x5.75/2

                         = 30 5/16

alexandr402 [8]3 years ago
6 0

Answer is 30 3/16

using calculator I got 30.1875 = 30 3/16

give me 1 min I will write out in detail

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The coefficient of determination of a set of data points is 0.93 and the slope of the regression line is -5.26. Determine the li
skad [1K]

Answer:

- 0.964

Step-by-step explanation:

Given that Coefficient of determination (R^2) = 0.93

Slope of regression line = - 5.26

The linear correlation Coefficient =?

The Coefficient of determination (R^2) is used to obtain the proportion of explained variance of the regression line. It is the square of the linear correlation Coefficient (R).

Hence. To obtain the linear correlation Coefficient (R) from the Coefficient of determination (R^2); we take the square root of R^2

Therefore,

R = √R^2

R = √0.93

R = 0.9643650

R = 0.964

However, since the value of the slope is negative, this depicts a negative relationship between the variables, hence R will also be negative ;

Therefore, R = - 0.964

6 0
2 years ago
Pls help...<br><br>solve for x in the following...pls explain <br><br>a)7x+5=3x-1<br>b)5x+12=3x+14​
yKpoI14uk [10]

Answer:

a) x = -1.5

b) x = 1

Step-by-step explanation:

For problem a, you can start by subtracting 3x from both sides to gather all the like terms together:

7x + 5 = 3x - 1

-3x         -3x

4x + 5 = -1

Next, to get the coefficients on one side, you subtract 5 from both sides:

4x + 5 =  -1

    -5      -5

4x = -6

Now, you divide by 4 on both sides to isolate x:

x = -6/4 = -1.5 --- > x = -1.5

For problem b, you start by subtracting 3x from both sides(kinda like problem a):

5x + 12 = 3x + 14

-3x          -3x

2x + 12 = 14

Next, you can subtract 12 from both sides, isolating the "x term".

2x + 12 = 14

       -12  -12

2x = 2

Lastly, you can divide by 2 to get x:

x = 1

7 0
3 years ago
Read 2 more answers
Can someone help me with this thank you
nexus9112 [7]

Answer:

324?

Step-by-step explanation:

5 0
3 years ago
You are making an audience selection. The first selection narrows your audience of 240,000 by 25% and the next selection narrows
vlada-n [284]

Answer:

the answer is c. 108,000

Step-by-step explanation:

240,000×25%=60,000

240,000-60,000=180,000

180,000×40%=72,000

180,000-72,000=108,000

your answer is 108,000

8 0
3 years ago
What is the first numbers of pi?
kirza4 [7]
3,141......
_____________________________
5 0
3 years ago
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