Mathematics High School

_______ :21=5:7


10:100=_______:200



12:28=_________:7


48:_________=8:9


36:75=12:________


56:120=_______:8


2:4=________:2


45:________=15:20



_______:65=9:13


180:210=_______:35



63:_______=7:8



48:72=4:_______



________:100=6:10



36:108=6:________



3:________=1:3




_________:180=8:20



81:126=9:_______



________:33=2:3

_______ :21=5:710:100=_______:20012:28=_________:748:_________=8:936:75=12:________56:120=_______:82:4=________:245:________=15:20_______:65=9:13180:210=_______:3563:_______=7:848:72=4:_______________:100=6:1036:108=6:________3:________=1:3_________:180=8:2081:126=9:_______

Answers

Answer 1

Answer:

Step-by-step explanation:

1) 10:18=5:9

2) 15:21=5:7

3) 10:100=20:200

4) 12:28=3:7

5) 48:54=8:9

6) 36:75=12:25

7) 56:120=3.733:8

8) 18:24=6:8

9) 2:4=1:2

10) 45:60=15:20

11) 45:65=9:13

12) 180:210=30:35

13) 63:72=7:8

14) 48:72=4:6

15) 60:100=6:10

16) 36:108=6:18

17) 3:9=1:3

18) 72:180=8:20

19) 81:126=9:14

20) 22:33=2:3

Answer 2

Answer:

1. 15 :21=5:7

2. 10:100=20:200

3. 12:28=3:7

4. 48:54=8:9

5. 36:75=12:25

6. 56:120=3.73..:8

7. 2:4=1:2

8. 45:60=15:20

9. 45:65=9:13

10. 180:210=30:35

11. 63:72=7:8

12. 48:72=4:6

13. 60:100=6:10

14. 36:108=6:18

15. 3:9=1:3

16. 72:180=8:20

17. 81:126=9:14

18. 22:33=2:3

Related Questions

Please help me with this I will make you brainlist if you respond with no links and fully! Do NOT steal points.

Answers

Answer: C. 113.1 cubic centimeters

Step-by-step explanation:

Volume of a sphere= [tex]\frac{4}{3}[/tex](3.14)(r)^3

Since we know r then just plug in to get 4/3(3.14)(3)^3= 113.1

So the answer is C

Answer:

113.04 cm3

Step-by-step explanation:

plz hurry
Which graph best represents the equation 5x + y = 4?

Answers

Answer:

answer is B

Step-by-step explanation:

Answer:

Graph B

Step-by-step explanation:

5x + y = 4

-5x        -5x

y = -5x + 4

slope = -5

y - intercept = 4

WHATS THE ANSWER?????

Answers

X=30
Y≈29.732
Hope this helps!

(HELP I GIVE BRAINLIEST IF CORRECT)Which of the following number sentences show the correct method to find 9% of 27 Select TWO that apply.

A)9 x 27

B)0.09 x 27

C)9/100 x 27

D)0.9 x 27

Answers

Answer:

b and c

Step-by-step explanation:

0.09 × 27=2.43 and 9/100 × 27 = 2.43

Giving Brainliest, easy question

Answers

Answer:

the 2nd answer

Step-by-step explanation:

Brainly does not support this explanation.For more go to :                           https://thatsthefinger.com/

Answer: the second answer

please help! i’ll mark brainliest

Answers

I'm sorry there is a lot of bots.hope you get the right answer

If g = X - 9. and if x = 15, what is g?

Answers

Answer:

6

Step-by-step explanation:

g = x - 9

x = 15

substitute 15 for x in the first equation

g = 15 - 9

g = 6

Answer:

g = 6

Step-by-step explanation:

g = x - 9

x = 15

g = 15 - 9

g = 6

5. Using the factor tree, What are the prime factors of 36

Answers

Answer:

Step-by-step explanation:

A factor tree is not unique for a given number. Instead of expressing 36 as 2 × 18, we can express 36 as 6 × 6. Prime factorization of 36 using factor tree method is 2 × 2 × 3 × 3 = 2² × 3².

sin 20 = cos a Find a
Please be sure to show your work.​

Answers

Answer:

Step-by-step explanation:

cos a=sin20=sin (90-70)=cos 70

a=70°

Simplify the expression 5(x+2x)+(3*5)+(4)(x)

Answers

Answer:  3x -- 5 x + 9

Step-by-step explanation: = x (3--1) + (--5 + 9)

                                             = x (2) + 4

                                             = 2x + 4

                                  putting x =3

                                           = 2 (3) + 4

                                           = 6 + 4

                                           = 10

9514 1404 393

Answer:

   19x +15

Step-by-step explanation:

5(x+2x)+(3*5)+(4)(x)

= 5(3x) +15 +4x

= 15x +4x +15

= 19x +15

Please help as quickly as possible, this is Algebra 1!

Answers

Answer:

First-term is 7

The second term is 14

and the third term is 28

i think so im not 100%

Nayan plays different games in the play ground from 6.15 to 7.00 in the morning and
from 7.30 to 8.15 in the evening. So, how long does Nayan play the games?​

Answers

Answer:

nayan plays for 45 min

Step-by-step explanation:

count up

Answer:

The answer is either 45 minutes or 90 minutes / 1 and a half hours

Step-by-step explanation:

You either add the two times together, as he plays for 45 minutes at one time and another 45 minutes at a later time. I'm not sure if the question is asking for the sum or how much time he plays for as an average because they are both 45 minutes.

If using the method of completing the square to solve the quadratic equation
x2 + 2x 31 = 0, which number would have to be added to "complete the
square"?

Answers

Answer:

3

Step-by-step explanation:

Are whole numbers closed with respect to multiplication?use an example to illustrate the answer

Answers

Step-by-step explanation:

The set of whole numbers of whole numbers is closed under addition and multiplication when because you add or multiple any whole numbers, the result is always whole number.EXAMPLE, closure property, 5 and 6 is whole numbers and multiplication of 5 and 6 is 30. Also, 30 is a whole number.

Answer:

yup. whole numbers begin from zero

so any whole number times any whole number will give me a whole number

eg 0×4=0

67×98765=6617255

etc

note. a negative number isn't a whole number

WILL MARK BRANLIEST ANSWER IF GOTTEN RIGHT

Answers

By SOH CAH TOA, the sine of an angle is its opposite side divided by the hypotenuse.
The opposite of ∠C is 12, the hypotenuse is 20.

sin(C)= 12/20=3/5=0.60

Good luck!

Please help with this area question!

Answers

Answer:

Step-by-step explanation:

i thinks its 6 (im sorry if im wrong)

6 inches I think yeah

which two pairs of points lie on a line that is represented by the equation y=3x-5?

Answers

Answer:

It's y

Step-by-step explanation:

will mark brainless!!! 7. Step 2: Calculate the perimeter of DEF using the scale factor.

62.5 ft

196.5 ft

163.75 ft

58 ft

Answers

163.75 ft is the answer

If barak spend 20$ at the mall. That represents 16% of the money he earned at the pizza parlor . How much money did barack earn

Answers

Answer:

$125

Step-by-step explanation:

20 is 16% of what number?

20 = .16n

n = 20/.16 = 125

Whats 1+1 and 2+2 and 3+7 I’m in the first grade

Answers

Answer:

1 answer is 2

2 answer 4

3 answer 10

Step-by-step explanation:

Add 1+1

get 2

Add 2+2

get 4

Add 3+7

get 10

Image is above!
What is the equation of the line in slope-intercept form?

Write your answer using integers, proper fractions, and improper fractions in simplest form.

Answers

Answer:

y=x+600

Step-by-step explanation:

Hey There!

Slope intercept form is y=mx+b

where m = slope and b = y intercept

slope is change in y over change in x

as y goes up 200 x goes up 200 so the slope is 200/200 or just 1

The y intercept is at (0,600) so the y intercept is 600 now we just put everything together and get that the equation is

y=x+600

What is the slope of the line that goes through
(2,-2) and (-1, 1)?

Answers

Answer:

m = -1

Step-by-step explanation:

use the slope formula so m = 1- -2 / -1 - 2

m = 1+2/-3, m=3/-3 so m = -1

Write the equation of the line that passes through the points (-4,1) and (−9,5). Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal line.

Answers

Answer:

y=4/-5x-3 1/5

Step-by-step explanation:

y2-y1/x2-x1

5-1/-9-(-4)

4/-5

-4=4/-5+b

+4/5 +4/5

-20/5+4/5

-16/5

y=4/-5x-16/5

3 1/5

What is the image of the point (-6,0) after a rotation of 270° counterclockwise
about the origin?

Answers

Answer:

(- 1, - 6 )

Step-by-step explanation:

Under a counterclockwise rotation about the origin of 270°

a point (x, y ) → (y, - x ), thus

(6, - 1 ) → (- 1, - 6 )

Hope this helps!!!!

If x=7 and y=−5, evaluate the following expression:3x−y/2​

Answers

Answer:

( 3 ) ( 7 ) − ( [tex]\frac{-5}{2}[/tex] )

= 21 − ( [tex]\frac{-5}{2}[/tex] )

=  [tex]\frac{47}{2}[/tex]

Hope it helps

Please mark me as the brainliest

Thank you

Which is a quadrilateral that could have one pair of parallel sides and one pair of sides that are not parallel?

Answers

Answer:

trapezoid.

Step-by-step explanation:

A trapezoid is a convex quadrilateral. A trapezoid has at least on pair of parallel sides. the parallel sides are called bases while the non parallel sides are called legs

Characteristics of a trapezoid

It has 4 vertices and edges

If both pairs of its opposite sides of a trapezoid are parallel, it becomes a parallelogram

Area of a trapezoid = [tex]\frac{1}{2}[/tex] x (sum of the lengths of the parallel sides) x height

Perimeter =  sum of lengths of sides of a trapezoid

what si the slope of y=-5x+4x

Answers

Answer:

Use the slope-intercept form y=mx+b to find the slope m. m=−1

Step-by-step explanation:

lets take the x's away from: -5x+4x

That will be -5+4

-5+4=-1

Because remember:

When adding positive numbers, count to the right.

When adding negative numbers, count to the left.

When subtracting positive numbers, count to the left.

When subtracting negative numbers, count to the right.

I hope this helps.       :)

Answer:

m= 4

Step-by-step explanation:

Rewrite the slope-intercept form

y = 4x - 5

the using the slope-intercept form, the slope-intercept is 4

sorry if this doesn't help

A school plans to build a swimming pool that has an area of 96 square meters. The school wants the pool to be more than 9 meters long. They also want the pool to be able to have at least four 2 meter wide lanes. If all the sides of the pool are whole meter lengths, what are the dimensions of the pool?

Answers

Answer:

If the pool has to have the length to be greater than 9 and the width to at least be 8 meters wide then it has to have dimensions of 12x8.

Hope this helps!

What is m∠1 ? I need help.

Answers

Answer:

*update* 99

Step-by-step explanation:

Please solve this quickly thank you please. Everything is on the picture.

Answers

Find the rate of change for the direct variation using the formula y = kx

Solve for k: 10 = k2

K = 10/2

K = 5

Now solve for y when x is 8:

Y = 5(8)

Y = 40

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