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never [62]
3 years ago
8

32% of the students in the class forgot to charge their computer. If there are 25 total

Mathematics
1 answer:
Law Incorporation [45]3 years ago
4 0
8 students forgot to charger their computers
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Please help me if you can​
Mekhanik [1.2K]

Answer:

1)-9x^5 + 7x^2 + 3    2)  -2x2 • (x - 7)      3)  -23v^2 + 7v + 4    4) is just 7x

7 0
2 years ago
On Saturday, Cannor drives 62 1/4 miles each hour. If he travels 4 hours, how many miles does he travel altogether?
Kisachek [45]

Answer:

he travels 249 miles on saturday

Step-by-step explanation:

<u>  62.25        </u>    <u>  x</u>

     1          =       4

you must multiple the distance travled in one hour by the number of hours of driving. In this case 4. This is if he did not change speeds ;)

4 x 62.25 = 249 miles

Hope this helps :)  Please mark brainliest if you see fit :)

3 0
3 years ago
Kaylin buys a greeting card for $3.79. she then buys 4 postcards that all cost the same amount. the total cost is $5.11. how muc
Pie

Answer:

Step-by-step explanation:

Givens

Greeting Card = 3.79

Total Cost = 5.11

Post cards = x

Equation

Total Cost = Greeting Card + 4x

Solution

Substitute the gives into the equation

5.11 = 3.79 + 4x                       Subtract 3.79 from both sides

5.11 - 3.79 = 3.79 - 3.79 + 4x  Combine

1.32 = 4x                                  Divide by 4

1.32/4 = 4x/4

x = 33

Each post card costs 0.33 dollars

4 0
2 years ago
What is the least common multiple of 31, 28, and 14?
WINSTONCH [101]

<u>⇨ By prime factorization method:</u>

\begin{array}{r | l}{\sf{2 & {\sf14,28,31} \\\cline{2-2} {\sf2 & {\sf7,14,31 \\\cline{2-2} {\sf7 & {\sf7,7,31 \\\cline{2-2} {\sf31 & {\sf1,1,31 \\\cline{2-2} & {\sf1,1,1\end{array}

{\sf{LCM\: = \:2 \:x\: 2 \:x\: 7 \:x\: 31}}\\\\{\sf{LCM \:= \:868}}\\}\\{\sf{Therefore,}}\\\\{\sf{LCM\:(14,\: 28,\: 31)\: = \:868

{\boxed{\sf{LCM\:=\:868}}

5 0
2 years ago
LAST QUESTION OF BRAINLY POINT CHALLENGE:
olasank [31]
Answer:
216in2

step-by-step
cause i said so
8 0
3 years ago
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