six more than five times a number X is at least 21

Answers

Answer 1

6+5x≥21

5x≥15

x≥3

Final answer: x≥3

Related Questions

Working alone, Ryan can dig a 10 ft by 10 ft hole in five hours. Castel can dig the same hole in six hours. How long will it take them if they worked together?

Explain too please, thanks.

Answers

.
Rates:
Ryan: 1 hole per 5 hours
Castel: 1 hole per 6 hours
.
Let x = time if working together
then
x(1/5 + 1/6) = 1
x(6 + 5) = 30
11x = 30
x = 30/11
x = 2.7273 hours
or
x = 2 hours and 44 minutes

x/5+x/6=1
6x+5x=30
11x=30
x=30/11
x=2 8/30 =2 8/30 hours
8/30 hr=16 minutes

2 hours 16 minutes.
Hope this helped.

Ten times the sum of half a number and 6 is 8

Answers

10(0.5x + 6) = 8
5x + 60 = 8
5x = 8 - 60
5x = -52
x = -52/5
x = -10.4

Even though we don't know the number yet, we need to give it some kind of label
so that we can work with it. We can call it anything. I'd like to call it ' G '.

The number we're looking for is ' G '.

Half of it is 1/2 G

The sum of that and 6 is 1/2 G + 6

Ten times that is 10 (1/2 G + 6)

The question says that's 8.
So   10 (1/2 G + 6) = 8

Divide each side by 10 : 1/2 G + 6 = 0.8

Subtract 6 from each side: 1/2 G = - 5.2

Multiply each side by 2 :   G = - 10.4

That seems like a weird answer. We should check it.

The number:    -10.4
Half the number:    - 5.2
The sum of half the number and 6: -5.2 + 6 = +0.8
Ten times that sum:     8

3x (2•5) + 45= n
What is n???

Answers

since N is unknown it's the answer so here are the steps:
1) 3*(2*5)+45=N
2) 3*10+45=N
3) 30+45=N
4) N=75

Olga saves $15 from every paycheck to save up for a new game system that cost $399. Currently, she has $360 saved. Ignoring the purchase, how many more paychecks does she have until she has enough money saved to buy the game system

Answers

Game system price = $ 399
Saved so far = - $ 360
      Balance -----------
   $ 39 divided by amount saved each paycheck
   -------
   15
# paychecks 2.6 3 paychecks

3/5b-8=4, step by step plz

Answers

(3/5)b-8=4

Add 8 to both sides
(3/5)b-8+8=4+8
(3/5)b= 12

Now divide both sides by (3/5)
(3/5)b/(3/5)= 12/(3/5)
b= 12/(3/5)

12/1* 5/3= 60/3= 20

Final answer: b=20

A password is 4 characters long and must consist of 3 letters and 1 of 10 special characters. If letters can be repeated and the special character is at the end of the password, how many possibilities are there? a. 175,760

Answers

1st character = 26 possibilities ( 26 letters in the alphabet)

2nd character = 26 possibilities

3rd character = 26 possibilities

4th character = 10 ( 10 special characters)

26 x 26 x 26 x 10 = 175,760 combinations

A factory used 396.25 pounds of tomatoes to make 6.25 batches of salsa. How many pounds of tomatoes were used in each batch?

Answers

63.4 pounds of tomatoes were used in each batch. You have to find the unit rate. Divide 396.25 by 6.25, and you get 63.4.
hope this helps:)
please mark thanks and brainliest! :)

Answer:

63.4 pounds of tomatoes were used in each batch

Step-by-step explanation:

A factory used 396.25 pounds of tomatoes to make 6.25 batches of salsa.

Or, In 6.25 batches of salsa 396.25 pounds of tomatoes were used.

In 1 batch of salsa , [tex]\dfrac{396.25}{6.25}[/tex] pounds of tomatoes will be used.

i.e. In 1 batch of salsa , 63.4 pounds of tomatoes will be used.

Hence, 63.4 pounds of tomatoes were used in each batch

b(n)=4−6(n−1) Find the 4th term in the sequence.

Answers

I think it is -14. I inserted 4 as n. I don't know if that's how you do it.

Answer:

-14

Step-by-step explanation:

answer on khan

The width of a vegetable garden is 3 times it's length.If the length of the garden is 4 1/2 feet,what is the width in simplest form?

Answers

13 1/2 or 27/2 depends on what your teacher wants. hope this is helpful

Choose the correct simplification of x to the 2nd power over y to the 5th power all raised to the 4th power. (5 points)

x to the 8th power over y to the 9th power
y12
x12y8
x to the 8th power over y to the 20th power

Answers

[tex]\left( \cfrac{x^2}{y^5}\right)^4 = \cfrac{(x^2)^4}{(y^5)^4} = \cfrac{x^8}{y^{20}} [/tex]

Write 12c+10 as an equivalent expression with one term

Answers

Writing 12c+10 as an equivalent expression with one term is the same as factorizing 12c+ 10

We need to take the common factor of '12c' and '10', which is '2' [both terms are divisible by 2]

Rewriting the expression after taking out the common factor:

2(6c+5)

Which is an equivalent expression with one term

A figure has a vertex at (-1, -3). If the figure has line symmetry about the y-axis, what are the coordinates of another vertex of the figure?

A) (-3, -1)

B) (3, 1)

C) (1, -3)

D) (-1, 3)

Answers

Its (1,-3) simply reflect it above the y-axis, if one vertex is on the negative side and the symmetry if about the y axis (y=0) therefore the reflection means the x value becomes inverse -1 changes to 1 and -3 remains the same

Answer:

(1,-3)

Step-by-step explanation:

A figure has a vertex at (-1, -3). If the figure has line symmetry about the y-axis, find the coordinates

When a vertex is reflected over y axis then the value of y remains the same , the x value becomes -x

for (x,y) reflected over line symmetry y axis

(x,y) becomes (-x,y)

So the vertex (-1,-3) becomes (1,-3)

a fellow classmate tosses 4 coins and finds that 3 of them come up tails. Which of the following is the best conclusion for her to come to?
A. She needs to keep flipping the coins until she gets a 50% in heads to determine if they are fair.
B. The coins are unfair
C. This could easily happen with a fair coin after only 4 flips
D. If she flips the coins one more, they will all come up heads

Answers

C. this could easily happen with a fair coin after only 4 flips

Answer:

Option C -This could easily happen with a fair coin after only 4 flips.

Step-by-step explanation:

Given : A fellow classmate tosses 4 coins and finds that 3 of them come up tails.

To find : Which of the following is the best conclusion for her to come to?

Solution :

According to statement,

A fellow classmate tosses 4 coins and finds that 3 of them come up tails.

This could be happen when coin is tossed or flip 4 times and the coin must be fair.

As when we flip 4 coins the possible outcomes were

HHHH THHH HTHH TTHH

HHHT THHT HTHT TTHT

HHTH THTH HTTH TTTH

HHTT THTT HTTT TTTT

So, The best conclusion for her is Option C

This could easily happen with a fair coin after only 4 flips.

Which of the following equations has a graph that crosses the y-axis at a point lower than y=2x^2-1
A.y=-3x^2+1
B.y=3x^2-3
C.y=-3^2-1
D.y=-3^2+3

Answers

The correct answer is: [B]: " y = 3x² − 3 " .
____________________________________________________________

the legs of a right triangle are 75 and 100. what is the length of the hypotenuse?
A: 5 square root 5
B: 250
C:125
D: 625

Answers

right triangle us pythagorean theorem

a^2 + b^2 = c^2

75^2 + 100^2 = C^2

5625 +10000 = c^2

15625 =c^2

c=Sqrt(15625) = 125

hypotenuse = 125

answer is C

The answer is C, Remeber A^2+B^2 = C^2

the area of a circle of radius 10 units is equal to the surface area of a sphere of radius 5 units. True or false?

Answers

the answer is true to this questions

I think its true but not sure.

How to write 15,409 in word form

Answers

Fifteen thousand, four hundred and nine

Lily is 14 older than her little brother Ezekiel. In 8 years, Lily will be twice as old as Ezekiel will be then. What is Lily and Ezekiel's combined she?

Answers

Lily is 14 in 8 years she will 22. Ezekiel will be 11.

The combined age of Lily and Ezekiel is 42.

Lily is 14 older than her little brother Ezekiel. In 8 years, Lily will be twice as old as Ezekiel will be then. What is Lily and Ezekiel's combined To be determined.

What is arithmetic?

In mathematics it deals with numbers of operations according to the statements.

Let the age of lily be L and the gare of her brother Ezekiel is E.
Lily is 14 older than her little brother Ezekiel.

L = 14 + E - - - - - -(1)

In 8 years, Lily will be twice as old as Ezekiel will be then.

L = 2(E)

put L in equation 1.

2E = 14 + E
2E - E = 14
E = 14

Now put E in equation 1

L = 14 + 14
L = 28

Combined age of Lily and Ezekiel's = 28 + 14
= 42

Thus, the combined age of Lily and Ezekiel's is 42.

Learn more about arithmetic here:

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Hilary wants to fill a mini cake pan with batter to make a mini cake for Phillip's party. The cake pan is 4.0 inches long, 9.0 inches wide, and 2.2 inches deep. What is the volume of the cake pan?

Answers

The volume of the cake pan Hilary wants to use is calculated using the formula for the volume of a rectangular prism. With dimensions of 4.0 inches by 9.0 inches by 2.2 inches, the volume is 79.2 cubic inches.

To find the volume of the cake pan that Hilary wants to use for making a mini cake for Phillip's party, we need to use the formula for the volume of a rectangular prism, which is Volume = length × width ×height. Given the dimensions of the cake pan are 4.0 inches long, 9.0 inches wide, and 2.2 inches deep, we can calculate the volume as follows:

Volume = length × width × height

Volume = 4.0 in× 9.0 in × 2.2 in

Volume = 79.2 in³

Therefore, the volume of the cake pan is 79.2 cubic inches.

Can someone please help me? person who helps gets brainly

−5r+8r+5

Answers

-5r+8r=3r then you add the 5 to the 3r because you cannot add them if it does both have the r. the answer is 3r+5

-5r + 8r + 5

We must combine like terms.

That basically just means that we add anything that has any like variables :)

In this case, our like terms are the variable "r."

So, we must add -5r to 8r

Think of this as if there were no "r" in there.

So, it looks like this : -5 + 8

What's -5 + 8?

It's 3! So, now we just need to add an 'r' after the 3.

So, -5r + 8r = 3r

Since we have no more like terms, our answer is :

3r + 5

~Hope I helped!~

What is the verbal expression of 23f

Answers

When a number and letter are together, it means multiplication.

So, it is read as "23 times f".

Subtract the fractions and simplify the answer 13/15 -2 2/3

Answers

2 2/3 = 8/3

8/3= 40/15

13/15 - 40/15 = -27/15 = -1 12/15

At Mei's Printing Company LLC there are two kinds of printing presses: Model A which can print 80 books per day and Model B which can print 30 books per day. The company owns 10 total printing presses and this allows them to print 400 books per day. How many of each type of press do they have?

Answers

A + B = 10.....A = 10 - B
80A + 30B = 400

80(10 - B) + 30B = 400
800 - 80B + 30B = 400
-80B + 30B = 400 - 800
-50B = - 400
B = -400/-50
B = 8 <=== there are 8 model B printers

A + B = 10
A + 8 = 10
A = 10 - 8
A = 2 <=== there are 2 model A printers

5+ 1/7b = -2
whats be and explanation
(don't get it cause its a fraction)

Answers

5+(1/7)b=-2

First subtract 5 from both sides. Our goal is to isolate b.
5+(1/7)b-5= -2-5
(1/7)b= -7

Now multiply both sides by 7 because (1/7)*7= 7/7 or 1.
7* (1/7)b= -7*7
1b= -49

Final answer: b= -49

One minute after it is released, a gas-filled balloon has risen 100 feet. In each succeeding minute, the balloon rises only 50% as far as it rose in the previous minute. How far will the balloon rise in 5 minutes?

Answers

The amount that it rises each minute forms a geometric sequence...

a(n)=ar^(n-1), and we know that a=100 ft and r=1/2 so

a(n)=100(1/2)^(n-1)

And the sum of a geometric sequence is:

s(n)=a(1-r^n)/(1-r)

s(n)=100(1-0.5^n)/(1-0.5)

s(n)=200(1-0.5^n)

So we can call these sums the height function

h(t)=200(1-0.5^t)

So after 5 minutes...

h(5)=200(1-0.5^5)

h(5)=193.75 ft

Plz help any1 plzzzzzzzzzz!!!!!!!!!!!!!!!!!

Answers

The answer is: [A]: The first line graph shown:

A A A A A A A A A A A A A A A A A A A

How can you use the number line in picture it to figure out how many miles Tim travels from home to school

Answers

Take a picture of the problem and if it show as a number line too depending on what it shows I will be able to answer your question

(sint+cost)^2=

A.) 1
B.) 1+2sint
C.) 1+sin2t
D.) sin(t^2)+cos(t^2)
E.) sin(t^2)+2sintcost+cos(t^2)

Answers

Hello,

[tex](sin(t)+cos(t))^2=sin^2(t)+cos^2(t)+2sin(t)cos(t)=1+sin(2t)\\ [/tex]
Answer C.

Joy Co. allocates overhead expenses to all departments on the basis of floor space (sq. ft.) occupied by each department. This year total overhead expenses were $22,000. Department A. occupied 15,000 sq. ft., Department B. 18,000 sq. ft., and Department C. 9,000 sq. ft. The amount of overhead allocated to Department B is (round to the nearest dollar):

Answers

The ratio between the departments is

A: B: C
15000 : 18000 : 9000
15 : 18 : 9
5 : 6 : 3

The budget needs to be divided into 5+6+3 = 14 parts
The budget for one part is 22000/14

The budget for department B is [tex] \frac{22000}{14}*6=9428.571428 [/tex]
Rounded to the nearest dollar, the budget is $9429

Hermina cut a 10" by 15" piece of cardboard down the diagonal

Answers

When you cut along the diagonal, a right triangle is formed where the hypotenuse is the diagonal and the legs are the length and width of the rectangle (10 and 15 in this case)
Now use the pythagorean theorem to solve
10^2+15^2=325=c^2
c= approx 18.02775=length of the diagonal

Final answer:

Hermina can calculate the length of the diagonal on her 10" by 15" rectangle of cardboard by using the Pythagorean theorem. The formula states that the square of the hypotenuse (diagonal) is equal to the sum of the squares of the other two sides, the length and the width. Thus, by inputting the values into the formula, we get a diagonal length of about 18.03".

Explanation:

The question involves calculating the length of the diagonal on a rectangular piece of cardboard. In mathematics, the Pythagorean theorem is used to calculate the length of a diagonal. In this case, the length and width of the rectangle are given as 10" and 15" respectively. We can apply the theorem, which states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides. The diagonal here acts as the hypotenuse, with the other two sides being the length and width of the rectangle. Therefore, the length of the diagonal is the square root of the sum of squares of these sides, which would be sqrt(10^2 + 15^2), resulting in approximately 18.03".

Learn more about Pythagorean theorem here:

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