MATHEMATICS HIGH SCHOOL

Match the expression with its name.10x^2 – 5x + 10

fourth-degree binomial
cubic monomial
quadratic trinomial
not a polynomial

Answers

Answer 1
Answer: ax^2 + bx + c is a quadratic trinomial. Therefore, ur expression is a quadratic trinomial......it is a trinomial because it has 3 terms.....quadratic means the highest exponent is 2.

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How to solve problem kathy spent 3 fifths of her money on a necklace and 2 thirds of the remainder on a bracelet. If the bracelet costs $17.00, how much money did she have at first.

Answers

Answer:she had $63.75 at first.

Step-by-step explanation:

Let x represent the amount of money that she had at first.

kathy spent 3 fifths of her money on a necklace. This means that the amount of money that she spent on the necklace is

3/5 × x = 3x/5

The amount of money remaining would be

x - 3x/5 = 2x/5

She used 2 thirds of the remainder on a bracelet. This means that the amount of money that she spent on the bracelet is 2/3 × 2x/5 = 4x/15

If the bracelet costs $17.00, then

4x/15 = 17

4x = 15 × 17

4x = 255

x = 225/4

x = 63.75

Let f(x)=x+8 and g(x)=x^2 -6x-7. find f(g(2))

Answers

f(g(2))=2^2-6\cdot2-7+8=4-12+1=-7
f(x)=x+8\n\ng(x)=x^2-6x-7\n\nf(g(x))=(x^2-6x-7)+8=x^2-6x+1\n\nf(g(2))=2^2-6\cdot2+1=4-12+1=-7\n\nSolution:f(g(2))=-7

The area of the parallelogram is 56 square miles. Find its base and height.height= x-5
base= x+5

Answers

The height of the parallelogram is 4 miles and the base is 14 miles.

What is the area of a parallelogram?

The area of a parallelogram is the product of the base and the height of the figure.

The area of a parallelogram = Base x Height

We have been given that the height is x-5, the base is x+5, and the area of the figure is 56 square miles.

So,

The area of a parallelogram = Base x Height

56=(x-5)(x+5)

Now Multiply x-5 and x+5

56=x²-25

Then Add 25 to both sides

81=x²

Now Take the square root of both sides

x=9

Now We can substitute it into the height and base thus,

Height: 9-5

Base=9+5

Therefore, the height of the parallelogram is 4 miles and the base is 14 miles.

Learn more about the area;

brainly.com/question/1658516

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The area of a parallelogram is A=bh. We are given that the height is x-5, the base is x+5 and that the area of the figure is 56 square miles. So,

56=(x-5)(x+5)
Multiply x-5 and x+5
56=x²-25
Add 25 to both sides
81=x²
Take the square root of both sides
x=9

With the value of x, we can substitute it into the height and base so,

Height:9-5
Base=9+5

So, the height is 4miles and the base is 14 miles.
We can check the answer by using the formula of the area of a parallelogram. 
A=bh
56=4*14
56=56

The area of a trapezoid is 322m2 one base is 12m and the height 14m what is the measure of the other base

Answers

Answer:

b = 34m

Step-by-step explanation:

Answer:

Depends on which base you mean, the longer base would be b=41.67

The shorter base would be a=39.67

Hope this helps :)

If n-8=-3, what is 3n?

Answers

Answer:

34

Step-by-step explanation:

50% of what number is 46

Answers

50% = 0.5

0.5x = 46
x = 46/0.5 = 46*2 = 92

50%*92 = 46
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