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vampirchik [111]
3 years ago
6

Help plzz! True or False? -15 is a solution for -8x = 125

Mathematics
2 answers:
mr Goodwill [35]3 years ago
5 0

Answer:False

Step-by-step explanation:negative 15 x negative 8 = 120

dmitriy555 [2]3 years ago
4 0

Answer:

false, it doesn't equal 125

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Help !! Is the work shown in the simplification below correct? Explain.
melomori [17]
Try this solution:
1. rules:
cosec(t)= \frac{1}{sin(t)} ; \ sec(t)= \frac{1}{cos(t)} .
2. according to the rule described above:
\frac{cosec(t)}{sec(t)}= \frac{1}{sin(t)}: \frac{1}{cos(t)}= \frac{1}{sin(t)}* \frac{cos(t)}{1} = \frac{cos(t)}{sin(t)}=cotang(t).
6 0
3 years ago
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For this problem, involving a weighted die, assume that the outcomes 1 through 4 are equally likely, that the outcomes 5 through
storchak [24]

Answer:

a.\frac{3}{14}

b.\frac{1}{14}

Step-by-step explanation:

We are given that a die is rolled

Let x bet the cases in favor of 5.

Number of cases in favor of 6=x

Then according to question

Number of cases in favor of  1=3x

Number of cases in favor of 2=3x

Number of cases in favor of 3=3x

Number of cases in favor of 4=3x

Sum of total cases=x+x+3x+3x+3x+3x=14x

Probability of getting 5 =\frac{x}{14x}=\frac{1}{14}

Probability of getting 1=\frac{3x}{14x}=\frac{3}{14}

1.We have to find probability should be assigned to rolling a 4.

The probability of getting =\frac{3}{14}

2.We have to find the probability of rolling 6.

The probability of getting 6=\frac{1}{14}

3 0
3 years ago
2. Define any variables and tell the slope and y-intercept of the situation. Then, write an equation to represent
Otrada [13]

Answer:

x=number of hours

c(x)= 25x+75

y-intercept= (0, 75)

Equation= y=25x+75

Slope= 25

Step-by-step explanation:

75 would be the y intercept(constant) because that's the initial charge for a call.

25 would be the coefficient for x because the hour you spend on the call varies.

The slope is how steep the line is, in this case it is 25.

x is the number of hours because that is the time that varies.

3 0
3 years ago
What is the area of the rectangle below. If reduced by a scale factor of 1/8 . The rectangle is 24cm and 48 cm
Maksim231197 [3]
I think the answer is eight because the answer should be eight probably ate it is the best answer I think it is best
6 0
3 years ago
Year 9 Maths - linear equations please help
jek_recluse [69]

Answer:

x=1 & y=6 or (1,6)

Step-by-step explanation:

3x-x+5=7   Substitute the 2nd equation in for y  

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Hope this helped!  

3 0
3 years ago
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