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3 years ago

Write 10x7 – 9x2 + 15x3 + 9 in standard form. Question 5 options:

Mathematics

2 answers:

hjlf3 years ago

8 0

I think the answer is B

Gelneren [198K]3 years ago

6 0

Answer:

Option B.

Step-by-step explanation:

The given polynomial is

$10x^7-9x^2+15x^3+9$

In standard form of a polynomial, the terms are arranged according to its degree from left to right. It means term with highest degree should be on the left side.

Degree of $10x^7,-9x^2,15x^3\text{ and }9$ are 7, 2, 3 and 0.

Arrange the terms according to its degree.

$10x^7+15x^3-9x^2+9$

Hence, the correct option is B.

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Tính (x+1)^3-x(x-2)^2-1

Amanda [17]

Answer:

$7x^2-x$

Step-by-step explanation:

6 0

3 years ago

Mrs. Thornton is teaching a 5th grade class. She is standing 15 meters in front of Hillary. Avisha is sitting 8 meters to Hillar

kykrilka [37]

15+8=23, i think is the answer

5 0

3 years ago

Rob is a high school student taking both algebra and geometry. Last night he had 27 homework problems combined from the two clas

Grace [21]

A system of the equation to be Dependent Consistent System the system must have multiple solutions. The correct option is C.

<h3>What is a System of equation?</h3>

Inconsistent System

A system of equations to have no real solution, the lines of the equations must be parallel to each other.

Consistent System

1. Dependent Consistent System

A system of the equation to be Dependent Consistent System the system must have multiple solutions for which the lines of the equation must be coinciding.

2. Independent Consistent System

A system of the equation to be Independent Consistent System the system must have one unique solution for which the lines of the equation must intersect at a particular.

For the system of equations to have infinite number of solutions, the lines of the equations must coincide, therefore, the line must overlap on each other.

For the lines to overlap the equations must be in a ratio. Therefore, the ratio of the left sides of the equations must be equal to the right side,

$\dfrac{35x+14y}{5x+2y} = \dfrac{119}{k}\\\\\\\dfrac{7(5x+2y)}{5x+2y} = \dfrac{119}{k}\\\\\\\dfrac71 = \dfrac{119}{k}\\\\k = 17$

Hence, the value of k must be 17, therefore, the correct option is C.

Learn more about System of equation:

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5 0

2 years ago

What is the area of the figure to the nearest hundredth renter the answer in the box 2yd 4yd

Norma-Jean [14]

Answer:

9.57 yd squared

Step-by-step explanation:

we can divide this figure into two shapes: a rectangle and a semi-circle

since we know the length and width of the rectangle, all we ahve to do is multiply them together to find the area: <u>8 yd squared</u>

for the semi-circle, we know the area is $\frac{\\\pi r^2}{2\\}$

raduis is half the diameter so 1 yd

$\frac{3.14(1)^2}{2}$

$\frac{3.14}{2}$ <u />

<u>1.57 yd squared</u>

lastly, add the area of the two figures together 8+1.57

3 0

3 years ago

A sphere and a cylinder have the same radius and height. The volume of the cylinder is 21 meters cubed. A sphere with height h a

Elodia [21]

We have been given that a sphere and a cylinder have the same radius and height. The volume of the cylinder is 21 meters cubed. We are asked to find the volume of the sphere.

We know that height of sphere is equal to its radius. This means that $r=h$ .