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Radda [10]
3 years ago
10

Pls help with question.

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
7 0

Answer:

5. 39.556

6.5.233

4 b  \frac{13}{2}

4a  \frac{51}{12}

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Which algebraic expression is equivalent to the expression below?
Anarel [89]

Answer:

A. 4x²+20x+25

Step-by-step explanation:

Because of PEMDAS, you calculate the value inside of the parenthesis first, so you expand [2x+1-(4x+6)]:

2x+1-4x-6 = -2x-5.

Then apply the exponent:

(-2x-5)² = (-2x-5)(-2x-5) = 4x²+10x+10x+25 = 4x²+20x+25

4 0
3 years ago
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The price of an item has dropped to 77$ today. Yersterday it was 140$. Find the percentage decrease.
Yuki888 [10]

Answer: It dropped 55%


Step-by-step explanation: well if you multiply 140x.55 it equals to 77


5 0
3 years ago
Ron is half as old as Sam, who is three times as old as Ted. The sum of their ages is 55. How old is Ron?
krok68 [10]
Ron is 15 years old.
7 0
3 years ago
At an opening of a new art gallery the owner hired a caterer to serve light snacks. The owner created a budget for 150 people to
Vsevolod [243]

Answer: $357 is more amount budgeted for food increase.

Explanation:

Since we have given that

Number of people according to the budget = 150

Cost of food per person= $4.25

Total cost of food is given by

150\times 4.25=\$637.5

If the number of guests attending the opening was 56% more than expected,

So, number of guests now is given by

150\times 0.56=84\\\\150+84=234

Total cost of food is given by

234\times 4.25=\$994.5

Difference between them is given by

994.5-637.5=\$357

Hence, $357 is more amount budgeted for food increase.

8 0
3 years ago
Three boxes of cereal weigh 379.4 grams,424.25 grams,and 379.37 grams. What is the difference between the lightest and the heavi
TiliK225 [7]

Answer:

44.88

Step-by-step explanation:

Heaviest box = 424.25

Lightest box = 379.37

424.25 - 379.37 = 44.88

Hope this helps!

8 0
3 years ago
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