Mathematics College

For each equation, tell whether it is always true, sometimes true, or never
true.

Answers

Answer 1

Answer:

never

Step-by-step explanation:

5x-1= 9

+1 +1

5x/5=10/5

x=2

Related Questions

Alex finished a race in 6 minutes. How many seconds is this?

Answers

Answer:

360 second

Step-by-step explanation:

1 minute=60 second

so:

6 minutes * 60 second/minutes

=360 second

Find the missing angle measures ASAP

Answers

Answer:

theres so many missing angle messures, which one do you want lol

Step-by-step explanation:

Solve for y.
3(y-2) = y +4-2(-5y-2)
Simplify your answer as much as possible.

Answers

Answer:

y = -7/4

Step-by-step explanation:

1. Multiple choice: Which irrational number is between 4 and 5.
b. 20
d. 180
a.
c. 734
2. Multiple choice: Which number is an integer?
a. - 11/5
b. -7
15
d. 1/2
3. Multiple choice: Which number is a whole number?
a. 5/6
b. -4
36
d.
500
4. Multiple choice: Which number is irrational?
a. 9.2727
b. 2
c. so
d. -37/71
5. Multiple choice: Any number with a finite decimal exapansion must be....
a. rational
b. irrational
6. Multiple choice: The number 3 is....
a. whole
b. rational
c. integer
d. all of the above
7. Multiple choice: All integers are ....
a. whole
b. rational numbers
c. irrational

Answers

Answer:

1. b, 20

Step-by-step explanation:

1. Irrational numbers between 4 and 5 are √17, √18,√19,√20,√21,√22,√23 ,√24.

3) Evaluate using the
Associative Property:
(77 · 125) · 8

Answers

Answer:

77000 is the answer so ya

Answer:

77000

Step-by-step explanation:

its 77,000 since when you do parenthesis you do what is in the inside first then work out of the parenthesis

PLEASE HELP ASAP!!!!!!!!!!! 13 points avaliable
Rectangle BCDE is shown on the coordinate grid. Rectangle BCDE is dilated with the origin as the center of a dilation using the rule (x,y) → (1/3x, 1/3y) to create rectangle B'C'D'E
I REALLY NEED HELP!! THANKS

Answers

Answer:

Step-by-step explanation:

Answer: Choice A) Rectangle B'C'D'E' is larger because scale factor is greater than 1.

Going from (x,y) to (3x,3y) means we multiply each coordinate by 3. This is the scale factor. The scale factor being larger than 1 means the new image is an enlargement compared to the original preimage. Specifically the dimensions of the new rectangle are 3 times larger.

Help!!! Thanks!!!!!!!

Answers

Answer:

Point in green colour.

Step-by-step explanation:

0.39=39/100=3.9/10 that means is close to 4/10

Your car averages 18 mi per gal on the highway. If gas costs $1.85 per gal, how much does it cost in dollars per mi to drive your car on the highway?

Answers

Answer:

9.72

Step-by-step explanation:

ඞ

Ms. Hodge receives 20 phone calls every 60 minutes. How many calls will she expect to receive in 180 minutes?
Ms. Hodge will expect to receive _____ phone calls in 180 minutes.

Answers

Answer:

Step-by-step explanation:

20 calls / 60 minutes

x calls / 180 minutes

60 x 3 = 180 minutes

20 x 3 = 60 calls

Answer:

Ms hodge will expect to receive 60 phone calls in 180 minutes.

Step-by-step explanation:

180 divided by 60 is 3

3x20= 60

Ms hodge will expect to receive 60 phone calls in 180 minutes.

Which graph best represents −3x+5y=−15?

Answers

Answer:

A/ the first graph

Step-by-step explanation:

I need help pls , I’m struggling

Answers

Answer:

Option A is correct.

Step-by-step explanation:

When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative. Here x=4 and y=6 so on 90° rotation new co-ordinates of B are (-6,4).

Hope it helps you.

Which of the following equations would be solved for x by adding 8 to both sides and then multiplying both sides by 2?

Answers

Answer: A

Step-by-step explanation:

The equation option 3rd is correct option.

What is an equation?

An expression or a statement that comprises two algebraic expressions with the same value and are separated by an equal symbol in between them.

Given that, four equation,

5 = 3x/2 - 8

Adding 8 to both sides,

5 + 8 = 3x/2 - 8 + 8

13 = 3x/2

Multiplying by 2 to both sides,

13*2 = 3x/2*2

26 = 3x

x = 26/3

Hence, equation 3rd is the correct answer.

For more references on equation, click;

https://brainly.com/question/10413253

#SPJ2

3.
Solve tan 2x + tan x=0, for 0 < x < 2π

Answers

Answer:

Start by getting everything on the same side of the equals sign and then set it equal to 0. . Factor out the common tan^2x like this: . Now we have 2 separate equations to solve: and sinx = 0. Now we have to figure out where tan^2 is 0 between 0 and 2pi. If we include 2pi, the solutions for that equation are . You can test those out on your calculator just to be sure. There's only one value of x for the next equation. The only place between 0 and 2pi where the sin x = 1 is at x = . And there you go!

Step-by-step explanation:

what is 8% of 70....?

Answers

11% not 100% sure Bc I calculated but hope it helped!

Answer:

5.6

Step-by-step explanation:

8 x 70 = 5.6

100

70 = 100%

10% = 7

8% = 5.6

A customer service center receives about 10 emails every half-hour.
What is the probability that the customer service center receives exactly 5 emails in the next six minutes?
(Hint: Find the average number of emails in 6 minutes.)

Answers

Step-by-step explanation:

10 every 30 minutes means about one call every 3 minutes so in 6 minutes they should recieve 2 calls

Heres A Gift from me to you. 2+2=?

Answers

Answer:

4 :)

Step-by-step explanation:

Answer:

LOL ITS 4 HJVFSHFXWHBSKJWNJKQSNBISBI

What’s 8/3 - 2/8 ? Need help

Answers

Answer:2.41

Step-by-step explanation:

There are 3 simple steps to subtract fractions

Make sure the bottom numbers (the denominators) are the same.

Subtract the top numbers (the numerators). Put the answer over the same denominator.

Simplify the fraction (if needed).

rewrite 1/2 book and 3/4 hour as a unit rate?

Answers

Answer:

2/3 book/hour

Step-by-step explanation:

1/2 multiplied by 4/3= 2/3

WILL GIVE BRAINLIEST!1 In the figure below, m <1 = 52. Find m / 2.

Answers

Answer:

Step-by-step explanation:

Help! 13 points and brainliest!
Question in picture attached

Answers

i agree with the first person!!!!

There are 13 fish in an aquarium. Seven of the fish are guppies. How many
non-guppies are in the aquarium?
A. the number of guppies
B. the total number of fish
C. the number of non-guppies
( what is the variable in the problem?)

Answers

Answer:

6 non-guppies; C. the number of non-guppies

Step-by-step explanation:

13-7=x

(x is the number of non-guppies)

13-7=6

during flu season there was. 124 students out of school on a particular day if there are 775 students in the school what percent of them have the flu ?

Answers

If there are 775 then the answer is 124 I believe or maybe this for points

Answer:

16% of the Students

Step-by-step explanation:

[tex]\frac{124}{775} * \frac{x}{100} \\124 * 100 = 12400\\12400 / 775 = 16\\x = 16\\\frac{124}{775} *\frac{16}{100} \\[/tex]

I need help with this

Answers

The answer is (-2,2) :)

I think that the answer is (-2,2)

Which of the following represents a function?
a.(5, 1), (5, 2), (5, 3), (5, 4)
b.(2, 3), (4, 3), (-2, -3), (-4, -3)
c.(3, 4), (-3, 2), (3, 8), (5, 5)
d.(-1, 2), (-2, 1), (-1, -2), (-2, -1)

Answers

answer: b
b represents a function because every x value only has one y value/output

the sum of the speeds of two trains is 716.7 miles per hour if the speed of the first train is 5.3 miles per hour faster than a second train find the speed of each

Answers

The best way to solve this is to make an algebraic expression to represent the situation~
If x is the speed of the first train and y is the speed of the second we can make 716.7 = x + y
the first train is 5.3 mph faster so x = y + 5.3
Now we can replace x with our new value to get 716.7 = y + (y+5.3)
Simplify and we get 716.7 = 2y + 5.3
Now all we got to do is simplify this equation, 716.7 - 5.3 = 711.4. Divide by 2 to get 355.7 for the speed of the second train. Since the first train is 5.3 mph faster, we add that to the second trains value and get our answer. The first train is going at 361.7, the second at 355.7

JULIO'S DAD BOUGHT 10 DOZEN POTATOES. THE POTATOES WERE EQUALLY
DIVIDED INTO 6 BAGS. HOW MANY POTATOES ARE IN EACH BAG?

Answers

Answer:

There are 20 potatoes in each bag.

Step-by-step explanation:

There are 12 in a dozen. 10 dozens equal 120.

120 ÷ 6 = 20.

20 potatoes in each bag.

Hope this helped!

Answer:

there are 20 potatoes in each bag.

Step-by-step explanation:

One dozen is equal to 12, so you have to multiply 12 by 10 to find the number of potatoes Julio's dad bought.

12 x 10 = 120

after finding the number of potatoes bought, you have to divide the number of potatoes by the number of bags:

120 : 6 = 20

hope this helps!

PLEASE HELP ASAP

A quadrilateral is _____a parallelogram.

Sometimes

Never

Always

Answers

Answer:

A) Sometimes

Step-by-step explanation:

quadrilateral=4 sided figure

paralellogram=4 sided figure with 2 pairs of parallel sides

a trapezoid is a quadrilateral but not a parallelogram

a square is a quadrilateral and a parallelogram

bob rides his bike how many miles will bob have traveled if he stops after 180 minutes continuing his same pattern?

Answers

Answer:

36 miles.

Step-by-step explanation:

If you look, each time can be divided by 5 to get the miles. 180/5 is 36, so the answer is 36 miles.

Answer:

36 miles.

Step-by-step explanation:

A local reader’s club has a set of 12 hardback books, a set of 18 paperbacks, and a set of 36 magazines. Each set can be divided equally among the club members. What is the greatest possible number of club members?

Answers

The answer is 6 members

que es la geometria

Answers

you need help with geometry ?

Parte de las matemáticas que estudia la extensión, la forma de medirla, las relaciones entre puntos, líneas, ángulos, planos y figuras, y la manera cómo se miden.

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For each equation, tell whether it is always true, sometimes true, or never true.

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For each equation, tell whether it is always true, sometimes true, or never
true.