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icang [17]
2 years ago
6

What is the equation of 21 less than 11 times a number results in seven times a number decreased by 29 what is the number

Mathematics
1 answer:
zlopas [31]2 years ago
4 0

Answer:

x=-2

Step-by-step explanation:

11x-21=7x-29

11x-7x=-29+21

4x=-8

x=-2

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After two six-sided dice are rolled, what is the probability that the dice faces add up to either a 4 or 6?
Marizza181 [45]

Answer:

0.222

Step-by-step explanation:

out of 36 outcomes you have 8 possible outcomes for a '4' or '6':

1,5

5,1

3,3

2,4

4,2

2,2

1,3

3,1

8/36 = 2/9 = .2 repeating

6 0
2 years ago
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Lucia flips a coin three times. What is the probability she gets (Head, tail, Head) in that order?
Svetach [21]

Answer: \dfrac{1}{8}

Step-by-step explanation:

The total outcomes of tossing a coin = 2

The total number of possible outcomes of flipping coin three times =2 x 2 x 2 = 8

Favorable outcome= (Head, tail, Head) in order

i.e. Number of Favorable outcomes = 1

We know that , Probability = \dfrac{\text{Favorable outcomes}}{\text{Total outcomes}}

Therefore , The required probability =\dfrac{1}{8}

Hence , the probability she gets (Head, tail, Head) in that order=\dfrac{1}{8}

8 0
3 years ago
The length of a rectangle is 5 more than twice the width. the perimeter is 130 inches. what is te area
Brut [27]
The length of a rectangle:
L =  2 W  + 5
The perimeter:
P = 2 L + 2 W
130 = 2 · ( 2 W + 5 ) + 2 W
130 = 4 W + 10 + 2 W
130 - 10 = 6 W
120 = 6 W
W = 120 : 6
W = 20 in
L = 2 · 20 + 5
L = 40 + 5
L = 45 in.
Finally the area:
A = L · W
A = 20 · 45
A = 900 in²
3 0
3 years ago
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Re-arrange the formula to solve for h :<br> A=bh <br> 2
Ira Lisetskai [31]

Answer:

h = b - a

Step-by-step explanation:

6 0
2 years ago
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Simplify 5.3x-8.14+3.6x+9.8​
lisabon 2012 [21]

Answer:

8.9x+1.66

Step-by-step explanation:

Combine like terms:

5.3x+3.6x+9.8-8.14

Simplify.

8.9x+1.66

8 0
2 years ago
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