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Sedbober [7]
3 years ago
10

Subtract the following polynomials, then place the answer in the proper location on the grid.

Mathematics
1 answer:
melamori03 [73]3 years ago
8 0
When we add or subtract polynomials, the addition or subtraction is applied to the coefficients of the terms of equal powers.

For the given polynomials, we are required to do subtraction as follows:
(-4.1 x^2 + 0.9 x - 9.8) - (1.7 x^2 - 2.4 x - 1.6)
= -4.1 x^2 + 0.9 x - 9.8 - 1.7 x^2 + 2.4 x + 1.6
= (-4.1-1.7) x^2 + (0.9+2.4) x + (-9.8+1.6)
= -5.8 x^2 + 3.3 x - 8.2

The final expression (solution) is:
-5.8 x^2 + 3.3 x - 8.2

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Use the following equation to find a line that is parallel: 10x + 3y - 4x = -24
Sati [7]

y=1/2x is your answer.

4 0
2 years ago
The graph below shows a proportional relationship between y and x .
Gennadij [26K]

Answer:

49/1

Step-by-step explanation:

The point is on (1,49)

6 0
3 years ago
b) In one year, Clara and Dave borrowed books from a library in the ratio 3:7. Dave borrowed 35 books. Work out the number of bo
tatiyna

3:7 =

3/7

3/7 = x/35

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answer : clara borrowed 15 books

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2 years ago
Read 2 more answers
Find the solutions for a triangle with a = 16, c =12, and B = 63º.
maks197457 [2]

Answer:

b. A = 71.6°; C = 45.40°; b =15.0

Step-by-step explanation:

The missing values can be found with the help of the Law of Cosine and properties of triangles:

Side b (Law of Cosine)

b = \sqrt{a^{2}+c^{2}-2\cdot a \cdot c \cdot \cos B}

b = \sqrt{16^{2}+12^{2}-2\cdot (16)\cdot (12) \cdot \cos 63^{\circ}}

b \approx 15.022

Angle A (Law of Cosine)

\cos A = -\frac{a^{2} - b^{2}-c^{2}}{2\cdot b \cdot c}

\cos A = - \frac{16^{2}-15.022^{2}-12^{2}}{2\cdot (15.022)\cdot (12)}

\cos A = 0.315

A= \cos^{-1} 0.315

A \approx 71.639^{\circ}

Angle C (Sum of internal angles in triangles)

C = 180^{\circ} - 63^{\circ} - 71.639^{\circ}

C = 45.361^{\circ}

Hence, the right answer is B.

6 0
3 years ago
9 times what number minus 7 equals negative seven
kirill115 [55]
9x-7=-7
9x=o
x=0
so the answer....is 0
8 0
3 years ago
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