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3 years ago

What is 1 half of 5 pounds

Mathematics

2 answers:

Liula [17]3 years ago

7 0

1 half of 5 pounds is 2.5 pounds.

WINSTONCH [101]3 years ago

5 0

The answer to ya question is 2.5 pounds

Hope I was able to help, ~Kashout kam

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How to find f(2) from just a graph?

RideAnS [48]

Answer:

Use this graph of f to find f (2). Solution : By comparing the given question f (2) with f (x), we come to know that the value of x is 2, that is input.

Step-by-step explanation:

4 0

3 years ago

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find the equation of a line that is parallel to the straight line 2x-y=-3 and crosses the x-axis at x=-5

Alecsey [184]

Answer:

y=2x+10

Step-by-step explanation:

In line equations its helpful to write your line in the form y = ax + b. This helps because a is always the gadient of the line and b is always the y intercept.

In this case it is y=2x+3

All parallel lines have the same gradient. The gradient of this line = 2.

If the line crosses the x axis at x=-5, then when x =-5 y = 0.

If you put all this in the form y =ax + b you get 0 = 2(-5) +b

So all you need to do to find b is rearrange. b = 10.

Therefore your line has gradient 2 and y intercept 10.

y = 2x + 10

7 0

3 years ago

CAN SOMEONE PLEASE HELP ME!! MUCH APPRECIATED

salantis [7]

Answer:

9x² -15x +1

Step-by-step explanation:

The area can be figured as the difference of the enclosing rectangle area ((3x-2)×(4x-1)) and the area of the white space at the lower left (horizontal dimension x+1).

The vertical dimension of the white space at lower left is The difference of the given vertical dimensions:

(4x -1) -(x -2) = 3x +1

So, the area of the figure is ...

(3x -2)(4x -1) -(x +1)(3x +1)

= (12x² -3x -8x +2) -(3x² +x +3x +1) . . . . "FOIL" each product

= 12x² -3x -8x +2 -3x² -x -3x -1 . . . . . eliminate parentheses

= x²(12 -3) +x(-3-8-1-3) +(2-1)

= 9x² -15x +1

_____

<em>Comment on products of binomials</em>

The product of any polynomial with any other can be found using the distributive property repeatedly. When both polynomials are <em>binomials</em>, a mnemonic can help you make sure all product terms are included.

(a +b)(c +d) = a(c +d) + b(c +d) . . . . use the distributive property to eliminate the first set of parentheses

= ac +ad +bc +bd . . . . . . . . . . . . . . use the distributive property to eliminate remaining parentheses

You will notice that the final product is the sum of the terms ...

ac . . . product of First terms of the binomials

ad . . . product of Outer terms of the expression

bc . . . product of Inner terms of the expression

bd . . . product of Last terms of the binomials

The letters of these descriptive words form the mnemonic FOIL, which is sometimes used as a verb (as above: FOIL each product).

8 0

3 years ago

Find the volume of each ball. use the formula. where v is the volume and r is the radius. record the volume in table A of your s

pochemuha

Answer:

The volume of tennis ball = 38.808 $cm^{3}$ .

Volume of golf ball = 33.523 $cm^{3}$ .

Step-by-step explanation:

Given: The radius of the tennis ball is 2.1cm and the radius of thr golf ball is 2.0cm. the formula is V=4πr(to the 3rd power) /3 .

To find: Volume of tennis ball and golf ball .

Formula used: Volume = $\frac{4 π r^{3} }{3}$ .

pi(π) = $\frac{22}{7}$ .

Explanation : We are given that

Radius of the tennis ball = 2.1 cm

radius of the golf ball =2.0 cm.

We need to find the volume of each ball

So , plugging the given values of radius in above formula

Volume of the tennis = $\frac{4*22(2.1)^{3} }{3*7}$

On simplification we get, volume of tennis ball = 38.808 $cm^{3}$

Volume of the golf ball= $\frac{4*22(2.0)^{3} }{3*7}$

On simplification we get, volume of golf ball = 33.523 $cm^{3}$

Therefore , The volume of tennis ball = 38.808 $cm^{3}$ .

Volume of golf ball = 33.523 $cm^{3}$ .

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3 years ago

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Which of the following nubers is irrational?

vichka [17]

The square root of 3 would be irrational. 0 and 10 are whole numbers so we can mark them out right off the bat. When you turn 3/7 into a decimal, it terminates making it rational as well.

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3 years ago