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Iteru [2.4K]
3 years ago
10

A pyramid has cross-sectional, taken parallel to its base that are?

Mathematics
1 answer:
enyata [817]3 years ago
6 0
They are similar. 






sorry for reporting you by accident
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A standard six-sided die is rolled 6 times. You are told that among the rolls, there was one 1, two 2's, and three 3's. How many
MArishka [77]

Answer:

34

Step-by-step explanation:

6 0
3 years ago
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What is an equation in point slope form of the line that passes through (7, 1) and (-3,9)
LuckyWell [14K]

Answer:

y= -4/5x+33/5

Step-by-step explanation:

for questions like these, the slope is always defined as the change in y over the change in x or use the equation m=y2-y1/x2-x1.

x1=7 and y1=1

x2=-3 and y2=9

now plug these numbers in to the equation. m= 9-1 / -3-7 Or m= 8/-10 simplified to m= -4/5

now that we have the slope you can plug it in to the equation y=mx+b and get y= -4/5 + b.

to find b, the y-intercept, you can use either of the two points and the answer will be the same. for this one, I'll use (7,1).

1= -4/5 x 7+b. b= 33/5

HOPE THIS HELPS!!

5 0
3 years ago
Factor out the greatest common factor
saveliy_v [14]

Answer:

B

5x(2x - 3)

Step-by-step explanation:

The common factor of the expression is 5x

4 0
3 years ago
What is <br> -8/15of21/12
Ugo [173]
32
——- (after reducing the fraction)
105
Explanation: find reciprocal of divisor:
21/12 : 12/21
Multiply dividend:
8/15 divide21/12=8/15x12/21=
8 x12
———= 96/315
15x21
6 0
1 year ago
A simple linear regression analysis was conducted to predict the Exam 3 score of students in STA 2023 based on their Exam 1 scor
Tju [1.3M]

Answer:

Option 3) The expected Exam 3 score for someone that made a 0 on Exam 1 is a 50.57.            

Step-by-step explanation:

We are given the following in the question:

\hat{y}(x) = 50.57+0.4845x

The above equation is a linear regression equation  to predict the Exam 3 score of students in STA 2023 based on their Exam 1 score.

\hat{y}: The dependent variable, Exam 3 score

x: The independent variable, Exam 1 score

Comparing to general linear equation,

y = mx + c

We get,

m = 0.4845, c = 50.57

where

c is the y - intercept and the score in exam 3 when exam score is 0.

\hat{y}(0) = 50.57+0.4845(0)\\\hat{y}(0) = 50.57

m is the slope and tells us about the rate of change.

When exam 1 grade is increased by 1, we can write,

\hat{y}(x) = 50.57+0.4845x\\\hat{y}(x+1) = 50.57+0.4845(x+1)\\\hat{y}(x+1)-\hat{y}(x) = 50.57+0.4845(x+1)-( 50.57+0.4845x)\\\hat{y}(x+1)-\hat{y}(x) = 0.4845(x+1-x)\\\hat{y}(x+1)-\hat{y}(x) = 0.4845

Thus, the y-intercept for the given equation can be interpreted as

Option 3) The expected Exam 3 score for someone that made a 0 on Exam 1 is a 50.57.

6 0
3 years ago
Read 2 more answers
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