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Sergeu [11.5K]
3 years ago
10

Simplify the next two expressions

Mathematics
1 answer:
prisoha [69]3 years ago
4 0
1. 7x-40
2. 8x-30y-10
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A jar contains three red marbles and five green marbles. A marble is drawn at random and not replaced. A second marble is then d
zvonat [6]

Answer:  

P(red then green) = 5/8 * 3/7 = 15/56

Step-by-step explanation: Since this is a logical "and" case, we have to multiply the separate events' probabilities...thus  P(red then green) = 5/8 * 3/7 = 15/56

6 0
3 years ago
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Solve for x.<br> -30 = 5(x + 1) <br>x=​
Alecsey [184]

Answer: -7

Step-by-step explanation:

-30 = 5(x + 1)

-30 = 5x + 5.  ( After distrbuting the 5)

-5.            -5

-30 - 5. = 5x

-35 = 5x

x = -7

5 0
3 years ago
Niu has decorated x cards. He started with 24 stickers, and he used 4 stickers per card.
snow_lady [41]

we are given

total number of stickers =24

stickers per cards =4

We are given

number of cards =x

so, we can use formula

number of cards = ( total number of stickers)/(stickers per cards)

we can plug values

x=\frac{24}{4}

x=6

so, total number of cards  is 6...........Answer

8 0
3 years ago
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A taxi ride cost a flat fee of of $5.00 plus an additional $1.75 per mile. How many miles would a person
VARVARA [1.3K]

Answer:

6 miles

Step-by-step explanation:

15.50-5 is 10.50 and 10.50/1.75 is 6

hope this helped also could i get brainliest?

7 0
3 years ago
1. What operations would you use in order to solve 3x – 4 = 26. Please write the operations in the order you would use them.
alex41 [277]

1. add the 4 to both sides

2. divide both sides by 3

3 0
3 years ago
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