Is 1.6 more than, less than, or equal to one and a half? Explain why

Answers

Answer 1

Answer: One half is just 1÷2 which is 0.5, add the 1 makes 1.5
1 + 1/2 = 1.5
1.6 has an extra 0.1, making it greater than
1.6 > 1.5

Answer 2

Answer: One and a half = 1.5, so 1.6 is more than 1.5.
It's very trivial question.

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A cone has a radius of 5 inches and a height of 18 inches. What is the exact volume of the cone?A. 150pi in3

B. 300pi ni3

C. 450pi in3

D. 540pi in3

Answers

$radius : \ r= 5 \ in \n height : \ h = 18 \ in \n \nVolume \ of \Cone : \n \n V= = \frac{1} { 3 } \pi \cdot r^2 \cdot h\n \nV=(1)/(\not3^1)\cdot \pi \cdot 5^2 \cdot \not18^6= 6\cdot 25 \cdot \pi= 150 \ \pi \ in^3 \n \nAnswer: \ A. \ \ 150 \ \pi \ in^3$

Sal is making bracelets for a fundraiser. He uses 6 inches of yarn per bracelets. How many bracelets can sal make with 5 feet feet of yarn?

Answers

Answer:

10 bracelets

Step-by-step explanation:

1ft=12in

5ft=12(5) in

5ft= 60 in

60in÷6in per bracelet

=10 bracelets

hope this helped! :D

What would it mean if the teacher had a MAD of 0

Answers

Answer:

MAD or also called as median absolute deviation is equal to zero. This means that there is no deviation and all the values are the same.

When a given number series is sorted in ascending order, the median is the middle number and that is zero.

MAD is a way to describe variation in a data set.

When a teacher gets MAD of zero, this means all the values are zero.

It would mean that the sum of numbers is equal 0, so the mean is going to be 0 also)

Please help me I beg you! :(

Answers

Question 6

x² - 16 = 0
x² = 16
√x² = √16
x = 4 or -4

Question 7

x² + 3x - 54 = 0
Factorizing

Find two numbers that add to make 3x and multiply to make 54
Write out the factor of -54 in pairs
1, -54
-1, 54
2, -27
-2, 27
3, -18
-3, 18
4, -16
-4, 16
6, -9
-6, 9
Then find the pair that, when added = +3 (in bold)
-6 + 9 = 3

x² + 9 - 6x - 54 = 0
x(x + 9)      -6(x + 9)

Use the (x + 9) and the coefficient of these brackets to make double brackets.
(x+9)(x-6) = 0

If the product of two terms =0, at least one must equal 0

x + 9 = 0
x = -9

x - 6 = 0
x = 6

x = -9 or 6

Question 8

2x² -11x - 6 = 0

First, multiply the coefficient of x² by the value of c (the number on its own)2 x -6 = 12

This time, find factors of -12 that equal -11
1, -12
-1, 12
2, -6
-2, 6
3, -4
-3, 4
The pair is in bold
1 + -12 = -11

2x² -12x + x - 6
Split down the middle and factorise in singe brackets
2x(x - 6)        1(x - 6)
Now use the brackets pre-made (x - 6) and put together what is in front of them (2x +1)
(2x + 1)(x - 6)

If the product of two or more terms = 0, at least 1 must equal 0
2x + 1 = 0
2x = -1
2x/2 = x       -1/2 = -0.5

x - 6 = 0
x = 6

x = -0.5 or 6

Question #6:
They expect you to remember that the difference
of two squares can be factored as

   (the sum of the squared numbers) times (their difference).

So   [ x² - 16 = 0 ] can be written as (x + 4) (x - 4) = 0 .

Now, a rule that you've used hundreds of times before
and you'll use thousands of times again:
If the equation says that the product of two things is zero,
then the equation is true if EITHER of them is zero.

So ...
(x+4) = 0 gives you one solution,
and (x-4)=0 gives you the other solution.
__________________________________

Question #7:

Factor the left side of the equation.

   (x + 9) (x - 6) = 0 .

Now, use a rule that you heard somewhere VERY recently:
If the equation says that the product of two things is zero,
then the equation is true if EITHER of them is zero.

So ...
(x + 9) = 0 gives you one solution, and
(x - 6) gives you the other one.
_______________________________________

Question #8:

Factor the left side of the equation:

   (2x + 1) (x - 6) = 0

Now use the golden rule that you've memorized by now:
If the equation says that the product of two things is zero,
then the equation is true if EITHER of them is zero.

So ...
(2x + 1) = 0 gives you one solution,
and (x - 6) = 0 gives you the other one.

Select the explicit formula for the sequence that correspond to this geometric series: 6 + 18 + 54 + 162 + 486 ak = 6 • 3k – 1
ak = 3 • 6k – 1
ak = 6 • 3k
ak = 3 • 6k

Answers

The explicit formula for the sequence that correspond to this geometric series: 6 + 18 + 54 + 162 + 486 is $a_(k)=6.(3)^k^-^1$

What is Sequence?

Sequence is an enumerated collection of objects in which repetitions are allowed and order matters.

The given geometric series is 6 + 18 + 54 + 162 + 486

a is the first term which is 6

Let us find the common ratio r which is 18/6 =3

The general form of geometric sequence is a $a_(k)=a.(r)^k^-^1$

Let us plug in the values of a and r in the above formula

$a_(k)=6.(3)^k^-^1$

Hence, the explicit formula for the sequence that correspond to this geometric series: 6 + 18 + 54 + 162 + 486 is $a_(k)=6.(3)^k^-^1$

To learn more on Sequence click:

brainly.com/question/21961097

#SPJ3

Answer: ak=6•3k-1

Step-by-step explanation:

@apologiabiologyWhat is the approximate volume of the cone? Use 3.14 for π.

A.
2120 cm3

B.
4239 cm3

C.
6359 cm3

D.
1272 cm3

Answers

V=(1/3)hpir^2
h=9
r=15
V=(1/3)9pi15^2
V=3pi225
V=675pi
aprox pi=3.14
V=2119.5 cm^3
A is answer

Hi There!

What is the approximate volume of the cone? Use 3.14 for π.

A.
2120 cm3

B.
4239 cm3

C.
6359 cm3

D.
1272 cm3

I just helped someone yesterday on this problem but, Answer is 2120 cm3

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