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fenix001 [56]
3 years ago
9

4x-y-32 if x=-2 y=3 and z= -1

Mathematics
1 answer:
Radda [10]3 years ago
6 0
The answer is 6 jus do it
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The probability that Brock scores a penalty kick is LaTeX: \frac{3}{10}3 10 . If he shoots 50 penalty kicks, how many "goals" ca
Feliz [49]

Answer:

15 goals out of 50 penalty kicks was scored by brock

Step-by-step explanation:

If Brock shoots 50 penalty kicks and the probability that he scores a penalty kick is 3/10, the number of goal brock is expected to make can be expressed as:

Number of goals scored = probability value * total penalty kicks taken

Number of goals scored = \frac{3}{10}*50

Number of goals scored = 15 goals

5 0
3 years ago
How do you find total surface area of a rectangular prism?
yarga [219]

Answer:

SA = 2*L*W+2*H+2*W*H

Step-by-step explanation:

The length is the side going from left to right, the width is the side going from front to back, and the height is the side going from top to bottom.

5 0
2 years ago
The mass of a particular substance is known to grow exponentially at a rate of 1.5% per day. Its initial mass was 230 grams and,
Papessa [141]

Answer:

23 days

Step-by-step explanation:

Given that the mass of a particular substance is known to grow exponentially at a rate of 1.5% per day

Initial mass = 230 gm

After t days, mass = 325 gm

The equation is

P(t) = 325 = 230 (1+\frac{1.5}{100} )^t\\\frac{325}{230} =1.015^t\\log 1.413 = t log 1.015\\t = \frac{log 1.413}{log 1.015} =\frac{0.1502}{0.0065} \\=23.229

Approximately after 23 days the mass will become 325 gms.

7 0
4 years ago
Please help!! i don’t understand how to do this.
ser-zykov [4K]

Answer:

C= 5/9 * (F -32)

Move 5/9 to the left which makes it 9/5

9/5 * C = (F -32)

Move the -32 to the left

9/5 * C +32 = F  or to make it read left to right

Fahrenheit  = 9/5 * Celsius + 32

Step-by-step explanation:

3 0
3 years ago
What is the slope of the line?​
Anastasy [175]

Answer:

From the picture it looks like 1/3

Step-by-step explanation:

use the coordinates (2,-1) and (5,0) then plug them in to y2-y1/x2-x1 = 0-(-1)/5-2= 1/3

Hope this helps!

6 0
3 years ago
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