How are the greater than, less than, and equal to symbols useful?

Answers

Answer 1

Answer: they are called relation symbols
they tell how something relates to something else

greater than tells ou that the the result must be more than, but not eqal to that numberd so example, we have to have something that flys higher than that bridge (100ft) but it cannot fly 100 or else it will crash

less than tells you that you must be less than, but not euqal to. example
this thing must be less than 7 feet tall to fit under the doorway, it cannot be 7 feet or else it wont fit

equal to is an exact amount, nothing more or less
we have to have a screw that is this big, nothing more or less

less and greater than is nice since if you found a solution and you wanted to notate it, example
if the naswer is any number less than 10, it would be nicer to write x<10 instead of listing all numbers less than 10 since they could get very close example 9.999999999 forever
greater is the same, any number bigger than 30, you woul dhave to include 30.0000000001 and smaller which is hard, but with the x>30, it is easier

the equals just shows equality, this is equal to this, period

Answer 2

Answer: They are very useful because they can help many people understand which number is either bigger or smaller and also equal.

These symbols are found useful because they are used in many equations to determine weather a number needs to be subtracted or added, this means they helps you determine if you have to use subtraction or multiplication.

These are called Relation Symbols.

EXAMPLE BELOW :

20≥10+10≤20 , this means 10 + 10 = 20 which is greater than or equal to 20 ≥
__________________________________________________________

Keep in my that the alligator(,≥,≤,etc) loves to eat the bigger number , which looks like the = ∠20 , if it is small the gator doesn't want is , looks like this = 10∠.
_____________________________________________________________

Those examples and reasoning's were my back up for my answer.

I really hope that this help you a lot.

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Answers

no it is b trust me 23/4

Its B because you di 5x4=20 then 3+20=23

Jim received a $2000 loan from his bank. The loan accrues 3% interest every 3 months. How much will Jim owe the bank after 4 years? Round to the nearest cent

Answers

Compound interest is the addition of interest. The interest that is needed to be paid by Jim in the 4 years of tenure is $2253.98.

What is compound interest?

Compound interest is the addition of interest on the interest of the principal amount. It is given by the formula,

$A = P(1+ (r)/(n))^(nt)$

We know that the Principal amount received by Jim is $2000, while the interest that Jim needs to pay is 3% quarterly, therefore, he needs to pay the interest 4 times a year. Thus, the value of n is 4.

Now, we know all the values therefore, substitute the values in the formula of compound interest,

$A = P(1+ (r)/(n))^(nt)$

$A = 2000(1+ (3)/(4))^(4 * 4)\n\nA = \$2,253.98$

Hence, the interest that is needed to be paid by Jim in the 4 years of tenure is $2253.98.

Learn more about Compound Interest:

brainly.com/question/25857212

Answer:

$2253.98

Step-by-step explanation:

Jim received a $2000 loan from his bank. The loan accrues 3% interest every 3 months.

$A=P(1+(r)/(n) )^(nt)$

P=2000

r= 3%=0.03 and t= 4 years

interest every 3 months so n= 4

$A=2000(1+(.03)/(4) )^(4 \cdot 4)$

$A=2000(1+(.03)/(4) )^(16)\nA=2000(1.0075)^(16)\n\nA=2253.98$

The bakery bought four bags of flour containing 3.5 kg each 475 g of flour are needed to make a batch of muffins and 0.65 kg is needed to make a loaf of bread if 4 batches of muffins and five loaves of bread are baked how much flour will be left give your answer in kilograms

Answers

First we have to find total mass of flour.
4*3.5kg=14kg
Now we are calculating how much flour we used for muffins
475g=0.475kg
0.475kg*4muffins=1.9kg
and now how much flour we used for bread
0.65kg*5bread=3.25kg
Finally we can subtract 1.9 and 3.25 from 14kg
14kg-1.9kg-3.25=8.85kg - its the answer

The left out amount of floor is $\boxed{\bf8.85\,\,{\text{kilogram}}}$ .

Further explanation:

The weight of one bag of flour is 3.5 kg.

The bakery bought 4 bags of flour.

Therefore, the total weight of 4 bags is calculated as follows:

$4*\left({3.5\,\,{\text{kg}}}\right)=14\,\,{\text{kg}}$

The weight of flour needed for a batch of muffins is 0.475 kg.

Therefore, the weight of flour needed for 4 batches of muffins is calculated as follows:

$4*\left({0.475\,\,{\text{kg}}} \right)=1.9\,\,{\text{kg}}$

The weight of flour needed for a loaf of bread is 0.65 kg.

Therefore, the weight of flour needed for 5 loaves of bread is calculated as follows:

$5*\left( {0.65\,\,{\text{kg}}} \right)=3.25\,\,{\text{kg}}$

So, the total weight of floor used in the process of making muffins and loaves of bread is calculated as follows:

$3.25\,\,{\text{kg+}}1.9\,\,{\text{kg}}=5.15\,\,{\text{kg}}$

Now, the weight of floor that is left out in the bag is calculated as follows:

$14\,\,{\text{kg}}-5.15\,\,{\text{kg}}=8.85\,\,{\text{kg}}$

Thus, the left out amount of floor is $\boxed{\bf8.85\,\,{\text{kilogram}}}$ .

Learn more:

1. Write an algebraic expression for the following word phrase the quotient of r and 12brainly.com/question/1600376

2. What is 20÷2(5+5) brainly.com/question/365957

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Answer details:

Grade: Middle School

Subject: Mathematics

Chapter: Basic Algebra

Keywords: Bakery, bags, flour, 3.5 kg, muffins, bread, loaf, loaves, kilograms, kg, share, subtract, equally, 8.85 kg, weight, bought

A camera rental company charges a fixed amount plus a fee based on the number of days for which the camera is rented. The graph below shows the amount paid for a different number of days to rent the camera: A graph titled Camera Rentals plots the Number of Days on the x axis and the Amount in dollars on the y axis. A straight line joins the ordered pairs 0, 40 and 4, 120.

What is the fixed amount charged?

$20
$30
$40
$80

Answers

Answer:

$40

Step-by-step explanation:

We are given two points (0, 40) and (4, 120).

Now to find the equation which represents A graph titled Camera Rentals plots the Number of Days on the x axis and the Amount in dollars on the y axis.

To Find equation we will use two point slope form.

Formula: $y-y_1=(y_2-y_1)/(x_2-x_1)(x-x_1)$

$(x_1,y_1)=(0,40)$

$(x_2,y_2)=(4,120)$

Substitute the values in the formula

$y-40=(120-40)/(4-0)(x-0)$

$y-40=(80)/(4)x$

$y-40=20x$

$y=20x+40$

The equation represents the situation : $y=20x+40$

where x is the number of days

y is the Amount in dollars

Now we are supposed to find the fixed amount charged.

So, we need to substitute x i.e. number of days=0

So, $y=20(0)+40$

$y=40$

Hence the fixed amount charged is $40.

Given:
x y
0 40
4 120

y = fixed amount + v(x)
y = 40 + v(0)
y = 40

y = 40 + v(x)
120 = 40 + v(4)
120 - 40 = v(4)
80 = v(4)
80/4 = v
20 = v

y = 40 + 20x

The fixed amount charged is 40.

The variable amount is 20 per day.

–3x + 1 + 10x = x + 4

Answers

-3x+1+10x=x+4
-3x+10x-x=4-1
6x=3
x=3/6=1/2

Answer: x=1/2

SOLVE for r.
V=(1/3)pi r^2 h

Answers

V=(1/3)pi r^2 h
3V = pi r^2 h
3V/pi = r^2 h
3V/h*pi = r^2
r = sqrt (3V/h*pi)

This is a picture of the answer.

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