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yaroslaw [1]
3 years ago
5

Help me please!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
RSB [31]3 years ago
3 0

Answer:

3x^4+13x^3−3x^2+18x+4

The correct answer is A

Hope This Helps!

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What math symbols are missing to make the equation right: 7 3 7 3 = 24 can not change order of numbers you may use parentheses,
Citrus2011 [14]
<h2>7  -   3   + (7     x     3)      =     24 </h2>

Step-by-step explanation:

Here, the given expression is:

7   3     7     3      =     24

Here, to get the desired expression:

7 - 3  = 4

4 + ( 7 x 3 )  = 4 + (21)   = 24 = Right Side.

So, the given expression can  be written as:

7  -   3   + (7     x     3)      =     24

3 0
3 years ago
Rectangle with side lengths of 1/2 ft. and 3/4 ft. What is the area and perimeter?
deff fn [24]
Perimeter: all the sides added together, so that would be 1/2+1/2+3/4+3/4, which is 2 and a half feet

Area: the two side lengths multiplied, so 1/2*3/4, which is 3/8 feet squared
4 0
3 years ago
Kyra observed that 85% of the students at a library liked reading mystery stories. If 30 students at the library did not like re
boyakko [2]
First  calculate that numeric value. It cannot be done immediately without calculations.

if 85% of studends liked mystery that means that 100% - 85% = 15% didnt like.

Those 15% are 30 that were given in text. Now we can calculate this using proportion:

15%        30 students
85%         x students

we use cross multiplication:
15*x = 30*85
x = 30*85/15
x = 170

Answer is 170
8 0
4 years ago
Which ratio forms a proportion with 16/20 ?
zvonat [6]
D. 4/5 since
16 \div 4 = 4
20 \div 4 = 5
same as 4/5
8 0
3 years ago
Read 2 more answers
for homework a student have to complete 15 problems total if she finished 6 problems in class what is the ratio of problem she's
kvv77 [185]
9:6 I think. Because if you subtract 6 from 15 you get 9 and that is how many she needs to finish and she has already finished 6
8 0
4 years ago
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