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alukav5142 [94]
4 years ago
5

A fair spinner has 9 equal sections: 3 red, 2 blue and 4 green. It is spun twice. What is the probability of not getting two con

secutive reds?
Mathematics
1 answer:
RUDIKE [14]4 years ago
8 0

Answer:

8/9

Step-by-step explanation:

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The gasoline gauge read 1/4 full. When 12 gallons were added to the tank the gauge read 3/4 full. How many more gallons to fill
DedPeter [7]
Initially, 1/4 of the tank was filled.

After adding 12 gallons, it was 3/4 full.

Increase in fuel filled portion =
\frac{3}{4}  -  \frac{1}{4}  =  \frac{3 - 1}{4}  =  \frac{2}{4}  \\

So 2/4 of the tank = 12 gallons

1/4 of tank = 12 ÷ 2 = 6 gallons

4/4 of tank = 6×4 = 24 gallons
____________________

Portion remaining to be filled =

1 -  \frac{3}{4}  =  \frac{4 - 3}{4}  =  \frac{1}{4}  \\

Fuel needed = 1/4 × 24 = 6 gallons

So you need 6 more gallons to fill the tank
8 0
3 years ago
1) Which expression is NOT equivalent to the given expression?42y - 8 -
olganol [36]
It has to be d because the rest equal to 24y-&
4 0
3 years ago
Make an equation and then solve it, show all your work.
Daniel [21]
The equation appears to be made already.

Using the Order of Operations, consider what operations are being done to the variable "c". They are
• divide c by 4
• add -5 to the quotient.

To find the value of "c", we "undo" these operations in reverse order. To undo the addition of a number, we add the opposite of the number. So, we will first
• add 5 to the equation
This gives
\dfrac{c}{4}-5+5=4+5\\\\\dfrac{c}{4}+0=9\\\\\dfrac{c}{4}=9

Now, the next operation that we need to undo is the division by 4. We can undo that by multiplying the equation by 4. So, we will next
• multiply the equation by 4
This gives
4\cdot \dfrac{c}{4}=4\cdot 9\\\\c\cdot \dfrac{4}{4}=36\\\\c \cdot 1=36\\\\c=36

The solution is c = 36.
6 0
3 years ago
If f(x)= 5x -7, what is f(3)?
Gemiola [76]

Answer:

8

Step-by-step explanation:

f(x) = 5(3) - 7

f(x) = 15 - 7

f(x) = 8

4 0
3 years ago
Read 2 more answers
Quadrilateral KMPT is dilated by a scale factor of 3/4 to create K'M'P'T'. The perimeter of quadrilateral KMPT is x units. What
777dan777 [17]

Answer:

B) \frac{3}{4} x units

Step-by-step explanation:

Let quadrilateral KMPT be a rectangle with dimensions 12 units by 8 units. Then its perimeter would be equal to:

Perimeter of a rectangle = 2 (l + b)

where: l is the length = 12 units and b is the breadth = 8 units. So that:

Perimeter of KMPT = 2 (12 + 8)

                               = 40 units

Dilating KMPT by a scale factor of \frac{3}{4} would create K'M'P'T' of dimensions; \frac{3}{4} × 12 units by \frac{3}{4} × 8 units. Thus, the dimensions of K'M'P'T' would be 9 units by 6 units.

Perimeter of K'M'P'T' = 2 (l + b)

                                  = 2(9 + 6)

                                  = 30 units

Comparing the perimeters of KMPT and K'M'P'T', the perimeter of K'M'P'T' would be  \frac{3}{4} × perimeter of KMPT.

Therefore, if the perimeter of KMPT is x units, then;

         perimeter of K'M'P'T' = \frac{3}{4} * x units

                                            = \frac{3}{4}x units

6 0
4 years ago
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