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laiz [17]
3 years ago
12

(2x^3+4x^2-5x+7)(-5x^2+x-2)=

Mathematics
1 answer:
NeTakaya3 years ago
5 0
=−10x5−18x4+25x3−48x2+17x−14 is the right anwer...
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The sum of three consecutive natural numbers is 1146, find the numbers.
-BARSIC- [3]

\text{Let the 3 consecutive numbers be}~ x,~x+1~ \text{and} ~x+2.\\\\\text{According to the condition,}\\\\x+x+1+x+2 = 1146\\\\\implies 3x +3 = 1146\\\\\implies 3(x+1) = 1146\\\\\implies x+1 = \dfrac{1146}3 = 382\\\\\implies x= 382-1 = 381\\\\\text{Now, the numbers are}~ 381,~382~\text{and}~383

4 0
2 years ago
17 POINTS!!!! List the elements in the set described. {x|x is a natural number between 9 and 17} (Use a comma to separate answer
stepladder [879]

Answer:

10, 11, 12, 13, 14, 15, 16

Step-by-step explanation:

The natural numbers are 1, 2, 3, 4, ...

The natural numbers between 9 and 17 are 10, 11, 12, 13, 14, 15, 16.

Answer: 10, 11, 12, 13, 14, 15, 16

8 0
3 years ago
The two triangles are similar. Which statements are true? Select each correct statement. ∠A≅∠D BDBA=DEAC BDBA=DEBC ∠B≅∠E Triangl
horsena [70]

Answer:

SR/BC=RT/CA    And  /R=/C  S B And D

Step-by-step explanation:

Just Look at them then compare its pretty simple you just have to think about it.

5 0
3 years ago
Triangle ABC is an isosceles triangle. Angles B and C are base angles, with measurements of (11x −10)° and (7x + 10)°, respectiv
Ulleksa [173]

Answer:

m∠A = 90°

Step-by-step explanation:

In isosceles triangle base angles are congruent. That means we can equate measurments of angle B and angle C and solve for x!

m∠B = m∠C

11x - 10 = 7x + 10

4x - 10 = 10

4x = 20

x = 5

Now let's insert x back in the expressions for angles.

m∠B = (11x − 10)° = (11(5) − 10)° = 45°

m∠C = (7x + 10)° = (7(5) + 10)° = 45°

<u>Sum of all angles in the triangle is 180°.</u> Let's make an equation.

m∠A + m∠B + m∠C = 180°

m∠A + 45°+ 45° = 180°

m∠A  = 90°

7 0
2 years ago
-8 = x divided by 4 + 3
Diano4ka-milaya [45]

Answer:

x = -44

Step-by-step explanation:

-8 = x/4 + 3

-8 - 3 = x/4 + 3 - 3

-11 = x/4

-11 x 4 = (x/4) x 4

-44 = x

7 0
3 years ago
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