Allen drove 90 miles in 2 and 1/4 hours at a constand speed, how many miles did he drive in one hour.

Answers

Answer 1

Answer: Use property of proportion:

miles time (hs)
90 2.25
x 1

x = 90 ÷ 2.25
x = 40 miles

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Which number sentence has a difference of 5?8 - (-3)
-3 - 8
-3 - (-8)
3 - (-8)

Answers

-3 - (-8)
-3 + 8
= 5

So C)

Your answer is -3 -(-8)

Hope this helps.

Una máquina llena 4 baldes de helado en 30 minutos, funcionando siempre a la misma velocidad Si ante un corte de luz, solo funcionó durante 45 minutos, ¿cuántos baldes habrá llenado?

Answers

Answer:

La máquina llenó:

6 baldes

Step-by-step explanation:

Por regla de tres:

4 baldes son a 30 minutos

M baldes son a 45 minutos

M = 45*4/30

M = 180/30

M = 6

Which of the following gives an example of a set that is closed under multiplication? Choose all that apply.. . . . A. The product of a perfect cube and a perfect cube. B. The product of 0 and 0. C. The product of a whole number and a whole number. D. The product of a perfect square and a perfect square. . I think its b and c? help anyone...

Answers

All the four choices that are given in the question can be considered as as examples of a set that is closed under multiplication. The correct options among all the options that are given in the question are options "A", "B", "C" and "D". I hope that the answer has come to your help.

Answer:

The correct answer is:

Option: A , Option: B , Option: C , Option: D

Step-by-step explanation:

For a set to be closed under multiplication means if two elements are taken from that set then their multiplication must also belong to the same set.

The product of a perfect cube and a perfect cube.

Let a be a perfect cube of "m"

and b be a perfect cube of "n"

i.e.

$a=m^3\n\nand\n\nb=n^3$

Hence,

$a\cdot b=m^3\cdot n^3\n\ni.e.\n\na\cdot b=(mn)^3$

i.e.

$a\cdot b\ \text{is a perfect cube of mn}$

Hence, this set if closed under multiplication.

The product of 0 and 0.

when we take the product of 0 and 0 then the resultant is also zero.

Hence, this set is also closed under multiplication.

The product of a whole number and a whole number.

When we multiply a whole number to a whole number then the product is again a whole number.

This set is also closed under multiplication.

The product of a perfect square and a perfect square.

Let us take two elements of the set as x and y

i.e.

$x=a^2$

and

$y=b^2$

Hence,

$x\cdot y=a^2\cdot b^2\n\ni.e.\n\nx\cdot y=(ab)^2$

i.e.

$x\cdot y\ \text{is\ also\ a perfect\ square}$

Hence, the set is closed under multiplication.

The graph of y = x 2 has been translated 7 units to the left. The equation of the resulting parabola is _____.

Answers

Answer:

$y = (x+7)^2$

Step-by-step explanation:

Horizontal translation:

if y =f(x) , then y = f(x+h) is horizontal translation.

The translation h moves the graph to the left when h is the positive value and to the right when h is negative.

As per the statement:

Given the graph:

$y=x^2$

It has been translated 7 units to the left

By definition:

h = 7 units > 0

then, the equation becomes;

$y = (x+7)^2$

Therefore, the equation of the resulting parabola is, $y = (x+7)^2$

Assuming you meant the equation y=x^2, the translated equation would be Y=(x+7)^2

Work Out 2/3 Divided By 1/4.
Give Your Answer In The Simplest Form.

Answers

multiple 2/3 with 4/1 and it's 8/3

Based on the table,what is the best
prediction of the
number of clicks on
the advertisement if
1,500 people visit the
website?
F. 7
G. 137
H. 83
J. 105

PLEASE HELP
ILL GIVE YOU BRAINIEST

Answers

The linear relation is y = 0.049x + 8.606 then the value of y is 83. Then the correct option is H.

What is the linear system?

A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.

The linear relation is given as

$\rm y - 63 = (63-60)/(1106-1045) (x - 1106)\n\ny = 0.049x+8.606$

For x = 1500, then the value of y will be

$\rm y = 0.049* 1500+8.606\n\ny = 82.37 \approx 83$

More about the linear system link is given below.

brainly.com/question/20379472

H. 83 would be the best prediction because when there was 510 visits there was 32 clicks so u multiply 32 times 3 and get 96 but since it’s 510 visits and not 500, 83 would be the most predictable :)

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