Mathematics High School

Write 80% as a decimal number and as a reduced fraction

Answers

Answer 1

Answer:

Decimal: 0.80      Reduced fraction: [tex]\frac{4}{5}[/tex]

Step-by-step explanation:

Take 80% and move the decimal two place values to the left.

This makes 0.80              (The decimal point is where the percent sign is.)

0.80 is [tex]\frac{8}{10}[/tex]  because the 8 is in the tenths place value.

[tex]\frac{8}{10}[/tex] can be simplified by dividing both the numerator and the denominator by 2.

[tex]\frac{8}{10}[/tex] = [tex]\frac{4}{5}[/tex]

Related Questions

Are there any five-digit numbers which are reversed when multiplied by 8?

Answers

probably lol sorry




...

Help plz:))) I’ll mark u brainliest
ASAP!!!

Answers

Answer:

46

x=46 degrees

44 degrees would be the answer for x

A.) how much does it cost to buy 5 tickets?


B.) How many tickets can buy with $130?

Answers

Answer:

A) $77.50

B) 8 tickets

Step-by-step explanation:

A) c(x) = 17.5x - 10

Substitute 5 for x

c(x) = 17.5(5) - 10

Multiply

c(x) = 87.5 - 10

Subtract

c(x) = 77.5

B) 130 is the cost, so substitute 130 for c(x)

130 = 17.5x - 10

Add 10 to each side to move the constants to one side

140 = 17.5x

Divide each side by 17.5 to isolate the variable

8 = x

that is the question

Answers

You have them all marked

Convert the following:
(a) 300 cm into metre​

Answers

Answer:

3m

Step-by-step explanation:

1 meter equals 100 cmWe know that [tex]1meter=100centimeters[/tex] Now how many (100 cm)'s are in (300 cm)'s? There are 3 right?So if every 100 cm is also a meter and there are 3 of these (100cm)s then they are just the same as 3 meters[tex]100cm=1m\\300cm=(x)m[/tex] cross multiply[tex]100cm(x)m=300cm1m[/tex] divide both sides by 100cm[tex](x)m=3m[/tex]

Answer:

Convert the following:

(a) 300 cm into metre

3 metres

Given AC = LN and BA = ML, which statement must be true?

Answers

Answer:

BC<MN

Step-by-step explanation:

Help me thank you!!:)

Answers

Answer:

I'd love to help!

Step-by-step explanation:

There is a problem. I can not see the image. When I try to click on it it says that there is an image error. Is your internet bad?

PLS HELP!
Simplify -C(Cx^4)^2

Answers

Answer:

k!! *grabs a note book*

soo the answer is... -c^3x^8

Step-by-step explanation:

hope this helps!!

-c•c^2x^8
So the Answer would be -c^3x^8

There is a snowstorm in a certain town. In 1/2 hour, there was 7/8 inches of snow. It continues at the same rate for a total of 2 hours. Which statement is true about the amount of snow in the 2-hour period

Answers

Answer:

Since I don't know the statements, I'm gonna guess that if there is 7/8 snow in 1/2 hour then in 2 hours there is 3.5 inches of snow or 28/8 inches of snow in 2 hours.

Step-by-step explanation:

ILL GIVE BRAINLIEST PLEASE ANSWER THIS FAST FAST FAST
Drag each set of coordinates to the correct location on the table. Not all coordinates will be used.
Points that two lines pass through are given in the table. Match each point of intersection to the correct pair of lines.
(2, 0)
(-1, 3)
(1, 0)
(-1, -3)
(0, 2)
(-3, -1)

Answers

You go -3 -1/-3 -1/3 0 2/0 so the number that are negative are further away from 1 so list it by that and for positive list like normal

Answer:

1. No solution.

2. (-1,3)

3. (2,0)

4. (1,0)

Step-by-step explanation:

Hope it helps.

PLEASE HELP QUICK
Which equation represents the line that passes through the
point (-2,5) and is perpendicular to the graph of x - 6y = 4 ?

Answers

Answer:

y=6x+7

Step-by-step explanation:

At a department store, the price of a freezer is marked up 15% to $450.50.

What was the price of the freezer BEFORE the mark up?

Answers

Answer:

The price was $391.30.

Step-by-step explanation:

We can answer this using algebra:-

Let the original price be $x, then:

x + 15% of x = 450

x + 0.15x = 450

1.15x = 450

x = 450/1.15

x = 391.304

A rectangular park is 135 yards long and 90 yards wide.

Give the length and width of another rectangular park that has the same perimeter but a smaller area.

Answers

Answer:

l = 140 yards , w = 85 yards

Step-by-step explanation:

1). l = 135 yards , w = 90 yards

P = 2 × 135 + 2 × 90 = 450 yards

A = 135 × 90 = 12,150 yards²

2). l = 140 yards , w = 85 yards

P = 2(140 + 85) = 450 yards

A = 140 × 85 = 11,900 yards²

Answer:

width= 100 yards

length= 125 yards

Step-by-step explanation:

I think.

How do I transform this into a zero?
PLS HEEELPPPP!!​

Answers

Answer:

-n=-3

Step-by-step explanation:

In △ACD, if AC ≅ AD, m∠A = (3x – 4)°, m∠C = (5x + 1)°, and m∠D = (7x – 27)°, find x and the measure of each angle. *

Answers

Answer:

x = 14

A = 38

B = 71

C = 71

Step-by-step explanation:

Since we have a triangle, the addition of the measure of all the measure of the angles give 180

Thus;

3x-4 + 5x + 1 + 7x-27 = 180

15x-30 = 180

15x = 180 + 30

15x = 210

x = 210/15

x = 14

To get the measure of each of the angles, we substitute for x

A = 3x-4 = 3(14) - 4 = 38

B = 5x + 1 = 5(14) + 1 = 70 + 1 = 71

C = 7x - 27 = 7(14) - 27 = 98-27 = 71

1+1=21+1=21+1=21+1=21+1=21+1=21+1=21+1=21+1=21+1=21+1=2


lol

Answers

Answer:

1 + 1 equals 2.

Step-by-step explanation:

When you take one of something, and you add it to another 1 of something, then you get 2 of something.

In 2010, total number of students in a school was 3200 and in 2011 it is increased by the ratio 6:5. Find the total number of students in 2011 in the school.​

Answers

Answer:

3321

Step-by-step explanation:

6+5=11

11*6=66

11*5=55

66+55=121

3200+121=3321

i have multiple question but for that i will give u lots of points and who ever gets it first ALL OF THEM will also get brainlest :)

1:




2:






3:






4:






5:

Answers

Answer:

1. slope is 1/2

2. slope is 1/3

3. slope is 2/3

4. slope is 3

5. y=3x-2

Step-by-step explanation:

7. 3х + 3 = 3(х + 1)

Answers

X=0
Hopefully this helps

You can buy 8 apples at the Quick Market for $1.45. You can buy 6 of the same apples at Stop and Save for $1.22. Which place is the better buy?

Answers

At about 18 cents each, the apples at Quick Market
are a better buy.
The apples at Stop and Save are around 20 cents each.

Explanation:
This becomes easy to solve if you figure out the cost per apple
c
a
Quick Market:
c
a
=
$
1.46
8
=
c
1
1.45
÷
8
≈
0.18

.........................................
Stop and Save
c
a
=
$
1.22
6
=
c
1
1.22
÷
6
≈
0.2
_
(Stop doing the math the instant you can tell which number is larger.)
.............................
Answer:
Quick Market is the better buy.
...........................
To solve this in your head:
1) You can see that "6 apples for (about) $1.20" is about 20 cents each.
2) For the other apples to be 20 cents each, the price for 8 would have to be about $1.60
3) Because the cost of 8 apples is less than $1.60, then the Quick Market apples are cheaper than the other ones.

 The Quick Market will be the place for better buy than Stop and Save.

Comparison of rates for better buy:    Find the rate of one unit.    Compare the rates to decide the better buy.

Given in the question,

   Total amount paid for 8 apples at The Quick Market = $1.45     Total amount paid for 6 apples at Stop and Save = $1.22

Rate of apples at The Quick Market = [tex]\frac{\text{Total amount paid}}{\text{Number of apples}}[/tex]

                                                            = [tex]\frac{1.45}{8}[/tex]

                                                            = $0.18125

                                                            ≈ $0.18 per apple

Rate of apples at Stop and Save = [tex]\frac{1.22}{6}[/tex]

                                                      = $0.20333

                                                      ≈ $0.20 per apple

      Since, $0.18 is less than $0.22, The Quick Market will be the place for better buy than Stop and Save.

Learn more about the comparison of rates here,

https://brainly.com/question/1481522?referrer=searchResults

Classify the polynomial as a monomial, binomial, trinomial, or none of these. x2 - 10x + 25

Answers

It is a trinomial because it follows the pattern of x^2 + bx + c. In this case, x^2 - 10x + 25. Also, it only has three numbers and two operation symbols, signifying a trinomial (three = tri).

Solve the equation.
20 = –d + 16

A. –4
B. –6
C. 4
D. –10

Answers

The answer is C
I hope this helps!!!!
the answer is c (4) because 4+16=20

Which statement correctly describes the end behavior of the function f ( x ) = − x 2 + 3 x + 12

Answers

X—>-infinity f(x)—>-infinity
X—>infinity f(x)—> 12

Please help will mark brainliest if correct

Answers

Answer:

Step-by-step explanation:

ASA

Round 4358 to the nearest thousand

Answers

Answer:

4,000

Step-by-step explanation:

You go to the thousand number and see if the hundred number is higher than 5, if not then its stays the same.

Answer:
4,000
Explanation:

Use the distributive property to remove the
6(v+4)

Answers

Multiply it out, 6v+ 6*4 = final answer. 6v+24

What is the sum of the measures of interior angles for a regular polygon with 5 sides

Answers

Answer:

360 degrees

Step-by-step explanation:

Answer: 540°

Step-by-step explanation:

180 * (number of agles -2)

180 * (5-2)

180 * 3

540

given g(x) √x-4 and h(x) = 2x - 8
what are the restrictions on the domain of g • h?

x ≥ ____

Answers

Answer:

6

Step-by-step explanation:

Given : g(x) =   and h(x)=2x-8.

g*h(x) =(2x-8).

We have square root(x-6) in composite function f*h(x).

So, we need to find the domain, we need to check for that values of x's, square root(x-4\6) would be defined.

Square roots are undefined for negative values.

Therefore, we can setup an inequality for it's domain x-6≥0.

Adding 4 on both sides, we get

x-6+6≥0+6.

x≥6.

Answer:

6

Step-by-step explanation:

Expression A: X+3 Expression B: 1 + x + 2 Which statement can be used to show that these expressions are equivalent?
OA. Each expression includes the term x.
OB. The expressions name the same number regardless of the value of x.
OC. X+3 can be rewritten as 1 + x + 2 using distributive property.
O D. Both expressions involve addition,

Please help! May give brainlists. (Idk how to spell it-) ​

Answers

Answer:

The expressions name the same number regardless of the value of x

Step-by-step explanation:

Answer: C

Step-by-step explanation:

Because 3 can become 1 and 2

Find the measure of Please helppp

Answers

Answer: 43

Step-by-step explanation: you add all of them up and then do 180- what you get which would be 180-137. It gives you 43.

Answer:

43 degrees

Step-by-step explanation:

straight lines equal 180 so u add all the angles together to reach 180 hope this helps

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