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olganol [36]
3 years ago
10

Simplify the expression. 3 (15- 3)² - 4 ]

Mathematics
1 answer:
Jet001 [13]3 years ago
5 0

Answer:

428.

Step-by-step explanation:

Work is in picture

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900 is what percent of 1200
xeze [42]

Answer:

75%

Step-by-step explanation:

900 /1200=  .75=75%

8 0
3 years ago
Someone please help meeeee
zepelin [54]

Answer:

The number is -1

Step-by-step explanation:

The equation for the first part is (2n+7)2. This is because "twice a number" is 2n and "7 is added" will make it 2n+7. The "sum is multiplied by two" Is multiplying everything by two. This will make it (2n+7)

The second part is  -8n+2. Since a number is multiplied by negative eight it will be -8n. Then it is added by two.

Both equation equal each other the overall equation will be (2n+7)2=-8n+2

You will distribute. making it 4n+14=-8n+2

Add 8n to both sides making it 12n+14=2

subtract 14 from both sides making it 12n=-12

Divide both sides by 12 . making it number=-1

4 0
3 years ago
Which number,when substituted for x,makes the equation 4pie + 8 = 16 true​
Ivahew [28]

Answer:

it’s false

Step-by-step explanation:

4 0
2 years ago
Evaluate 1 3/7-(2/3+5/7)​
Artyom0805 [142]

Answer:

13/7 - (14/21 + 15/21)

Step-by-step explanation:

= 13/7 - ( 29/21)

= 39/21 - 29/21 = 10/21 = 0.47

7 0
3 years ago
Read 2 more answers
Jason’s mom gave him 1,000 for his birthday. He put the money in the bank and decides to withdraw 25 per week.
Goshia [24]

Well 1000 for his birthday then subtract 25 each week, w, should be 1000-25w if i am not mistaken.

6 0
3 years ago
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