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storchak [24]
3 years ago
11

A quarter and a number cube are tossed at the same time.

Mathematics
1 answer:
Margaret [11]3 years ago
7 0

Answer:

.25    /     1/4

Step-by-step explanation:

1/2 times 3/6  equals 3/12, or 1/4

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Three numbers are in the ratio 6:3:1, and the sum of these numbers is 420. If the first number is reduced by 50%, and the second
Naily [24]
x:y:z\ \ \ \Leftrightarrow\ \ \ 6:3:1\\ \\ \frac{x}{z} =\frac{6}{1}\ \ \ \Rightarrow\ \ \ x=6z\ \ \ \ \ \ \ and\ \ \ \ \ \ \ \frac{y}{z} =\frac{3}{1}\ \ \ \Rightarrow\ \ \ y=3z\\ \\x+y+z=420\ \ \ \Rightarrow\ \ \ 6z+3z+z=420\ \ \ \ \Rightarrow\ \ \ \ 10z=420\ /:10\\ \\z=42\ \ \ \Rightarrow\ \ \ \ x=6\cdot42=252\ \ \ \ and\ \ \ \ y=3\cdot42=126\\ \\ \\a=x-50\%x=50\%x= \frac{1}{2} \cdot252=126=3\cdot42\\ \\b=y+42=126+42=168=4\cdot42\\ \\c=420-126-168=126=3\cdot42\\ \\a:b:c\ \ \ \Leftrightarrow\ \ \ 3:4:3
7 0
3 years ago
Can anyone help me with my math i'm really behind on it.
statuscvo [17]

Answer:

yes

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please help!
kotegsom [21]

Answer:

7

Step-by-step explanation:

f(x) means y, it is equal to the value of y, so f(x) = y

so, f(1) means to find the value of y when the value of x is 1, and that is 7, since 7 is the value of y indicated when the value of x is 1.

I hope this is helpful.

4 0
3 years ago
What is the slope of a line perpendicular to the line with equation 2x+3y=9
zheka24 [161]

Answer:

<h2>slope =  \frac{3}{2}  \\</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the slope of the perpendicular line we must first find the slope of the original line

The original line is

2x + 3y = 9

3y = - 2x + 9

y =  -  \frac{2}{3} x +  \frac{9}{  3}  \\  \\ y =  -  \frac{2}{3} x +  3

Since the lines are perpendicular to each other the slope of the perpendicular line is the negative inverse of the original line

So the slope of the perpendicular line is

slope =  \frac{3}{2}  \\

Hope this helps you

8 0
3 years ago
Solve the equation below for x.
Oksi-84 [34.3K]
Answer: X=290/13.....
6 0
4 years ago
Read 2 more answers
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