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Makovka662 [10]
2 years ago
6

Solve this problem step by step. 2x^3+17x^2+30x

Mathematics
1 answer:
lesantik [10]2 years ago
3 0
The answer is x(2x +5) (x + 6)

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HELP PLEASE ANYONE !!!!!
True [87]
To find Matt's typing rate, divide (4/5 page) by (2/5 hour).

Note that since both denominators are 5, we can drop the denominators.  Then, Matt's rate is  4 pages divided by 2 hours, or 2 pages/hour.  That's his typing rate.
6 0
3 years ago
A=1/2 h (b1+b2) solve for b2
Serggg [28]
A = 1/2 *2 * h (b1+b2)
a*2 = h (b1+b2) /h
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6 0
2 years ago
In Triangle BCD, BC=BD, and angle B =13x-35, angle C = 5x-19, angle D=2x+14. Find the measure of each angle
aleksandr82 [10.1K]

Answer:

B = 108

C = 36

D = 36

Step-by-step explanation:

Given

B =13x - 35

C = 5x - 19

D=2x+14

BC = BD

Required

Determine the measure of each angle

The angles in a triangle sum up t 180. i.e.

B + C + D = 180

Since BC = BD, then C = D

B + C + D = 180 can then be rewritten as:

B + C + C = 180

B + 2C = 180

Substitute values for B and C

13x - 35 + 2(5x - 19) = 180

Open Bracket

13x - 35 + 10x - 38 = 180

Collect Like Terms

13x + 10x = 180 + 38 + 35

23x= 253

Divide both sides by 23

x = 11

To get the measure of each angle, substitute 11 for x in the expressions of B, C and D

B =13x - 35

B = 13 * 11 - 35

B = 108

C = 5x - 19

C = 5 * 11 - 19

C = 36

D=2x+14

D = 2 * 11 + 14

D = 36

5 0
2 years ago
Anna has made 30
ss7ja [257]

Answer:

2 friends: 15 chocolate chip and 12 sugar cookies

3 friends: 10 chocolate chip and 8 sugar cookies

4 friends: 7.5 chocolate chip and 6 sugar cookies

5 friends: 6 chocolate chip and 4.8 sugar cookies

6 friends: 5 chocolate chip and 4 sugar cookies

Step-by-step explanation:

8 0
3 years ago
There are 112 seats in the school auditorium. There are 7 seats in each row. There are 70 people seated, filling up full rows of
MatroZZZ [7]
112 Seats/ 7 Seats= 16 Total Rows
70Seats / 7Seats = 10 Full Rows
16-10=
6 Remaining Rows that tell us that there are a total of 42 empty seats. 
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2 years ago
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