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ryzh [129]
2 years ago
10

Four times the sum of a number and -3 is 4 more than twice the number. Write and solve an equation to find the number.

Mathematics
1 answer:
Sindrei [870]2 years ago
7 0
Let the unknown number be x.

4*(x + (-3)) = 4 + 2x

4x -12 = 4 + 2x

2x = 16

x = 8

Hence, the number is 8.
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Exit A five-sided solid has the numbers 1, 2, 3, 4, and 5. What is the probability of rolling two five-sided number solids and g
STALIN [3.7K]
To get a sum of 3, you must roll a 1 and a 2. To get a sum of 8, you must roll a 5 and 3, or two 4's.
There are two ways of rolling a 1 and a 2, two ways of rolling a 5 and a 3, and one way to roll two 4's.
There are 5^2=25 possible outcomes when rolling two such solids.

So the probability of getting a sum of 3 or 8 is \dfrac{2+2+1}{25}=\dfrac15
7 0
3 years ago
Hii, please help me w this :(( tysm
Ipatiy [6.2K]

Answer:

7. y

=

−

1

/2

x  +  4

8.  y= (0,4)

Step-by-step explanation:

7. the slope is -1/2 and the y intercept is 4

8. so basically, the y intercept is when y is zero, which makes this one (0,4)

HOPE THIS HELPS HAVE A GREAT DAY!!!  IM procrastinating chem doing this lolz

6 0
2 years ago
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Ivahew [28]

Answer:

d

Step-by-step explanation:

6 0
3 years ago
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BartSMP [9]

Answer:

30.4

Step-by-step explanation:

if you want the basic perimeter just add up all the sides

6 0
3 years ago
When the product of 6 and the square of a number is increased by 5 times the number, the result is 4.
il63 [147K]

Let x be the unknown number. Its square is x^2. The product of 6 and the square of the number is 6x^2. Increase this by 5 and you get 6x^2+5.

If this has to equal 4, you have 6x^2+5=4

4 0
2 years ago
Read 2 more answers
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