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3 years ago

I need help with this question

Mathematics

1 answer:

scoray [572]3 years ago

5 0

The answer is C hope that helps

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Match each subtraction problem on the left with the equivalent simplified expression on the right.

Ahat [919]

Answer:

A-3, B-4, C-1, D-2

Step-by-step explanation:

5x-(3x+1)
Expand, 5x-3x-1
Combine like terms, 2x-1

5x-(-3x-1)
Expand, 5x+3x+1
Combine like terms, 8x+1

-5x-(3x+1)
Expand, -5x-3x-1
Combine like terms, -8x-1

-5x-(-3x-1)
Expand, -5x+3x+1
Combine like terms, -2x+1

4 0

3 years ago

Consider two circular swimming pools. Pool A has a radius of 48 feet, and Pool B has a diameter of 29.46 meters. Complete the de

Ber [7]

Answer: pool B has a greater circumference.

Step-by-step explanation:

The formula for determining the circumference if a circle is expressed as

Circumference = 2πr

Where

r represents the radius of the circle.

π is a constant whose value is 3.14

Pool A has a radius of 48 feet.

1 foot ≈ 0.305 meters

48 feet = 48 × 0.305 = 14.64 meters

The circumference of pool A is

2 × 3.14 × 14.64 = 91.94 meters

Pool B has a diameter of 29.46 meters. Radius = diameter/2

Radius of pool B = 29.46/2 = 14.73 meters

The circumference of pool B is

2 × 3.14 × 14.73 = 92.5 meters

Therefore, pool B has a greater circumference.

7 0

3 years ago

Can you check my answers and help with number 3?

mamaluj [8]

Answer: Question 1 :B,D.

Question 2:option B,

Question 3:Degree=5.

Question 4:option D.

Question 5: option c.

Step-by-step explanation:

1) A polynomial can not have any exponent as a variable or a fraction.

Options B and D are polynomials.

2) The polynomial is having 3 terms and is of degree 3.so it is a cubic trinomial Option B.

3) Degree is the highest power of the variables in the terms .The term $6x^{3} y^{2}$ has the power=3+2=5

So degree =5.

4) $(5x-2+3x^{2} )+(4x+3)=3x^{2} +5x+4x-2+3=3x^{2}+9x+1.$

Option D

5) $(5x^{2} +2x-5)-(3x^{2}+3x+1)= 5x^{2}+2x-5-3 x^{2}-3x-1$

Simplifying like terms,

= $2x^{2}-x-6.$

Option c.

6 0

3 years ago

Can someone answer B for me please and thank you sm

morpeh [17]

Answer:

a = 1/8

b = 8

Step-by-step explanation:

a (1/2) ^3 = (1/2) *(1/2) * (1/2) = 1/8

b( 1/2 ) ^ -3 The negative exponent means 1 / (1/2)^3 = 1/ (1/8) = 8

4 0

2 years ago

Need help am being timed pls

goldenfox [79]

What are the answer options?

6 0

2 years ago