There are 10 marbles in a bag 1/5 are and the other are blue .What is the ratio of red to blue marbles

Answers

Answer 1

Answer:

1 : 4

Step-by-step explanation:

There are 10 marbles in a bag 1/5 are red and the others are blue. What is the ratio of red to blue marbles?

Number of red marbles = fraction of red marbles x total number of marbles

1/5 x 10 = 2

Number of blue marbles = total number of marbles - number of red marbles

10 - 2 = 8

ratio of red to blue marbles

2 : 8

To transform to the simplest form. divide both numbers by 2

1 : 4


Related Questions

Raina bought three books at a bookstore. Here are their prices (in dollars). 18.8, 4, 9.38 What is the total amount Raina paid at the bookstore?

Answers

Answer:

$32.18

Step-by-step explanation:

It's really just addition. No explanation necessary.

Heather save 15% buying concert tickets online. If the tickets are regularly $95 how much did Heather pay for them online

Answers

80.75 dollars. 15 percent of 95 is 14.25, 95-14.25=80.75

Answer:

$80.75

Step-by-step explanation:

95 * 0.15 = 14.25

95 - 14.25 = 80.75

hope this is helpful

Simplify 5+5x-(3x-9)
Please help

Answers

Answer:

5+5x-(3x-9)

5+5x-3x+9

2x+14

2(x+7)

Step-by-step explanation:

Answer:

2x+14

explanation:

5+5x-(3x)--9

5+5x-3x+9

add 5 and 9 to get 14

then subtract 3x from 5x to get 2x

2x+14

Tell whether the angles are adjacent or vertical. Then find the value of x.

1270
O vertical; 127
O adjacent; 127
O adjacent: 53
O vertical: 53

Answers

Adjacent : 53. Is the answer

someone please help .. i’m giving 20 points and brialiest

Answers

Answer:

D because it goes right then up!

HELP ME PLEASEESWSAS

Solve the following equation for x.
2 + x^2 = 47
6.7
b. 7
22.5
d. 47

Answers

Answer:

6.7

Step-by-step explanation:

x² = 45

x = 6.7

is the answer

The correct one is A hopes this helps!

hey! i’ll give brainliest please help

Answers

Answer:

D

Step-by-step explanation:

hey

Answer:

I thing answer is no. D .....

In the figure below, find the exact value of x. (Do not approximate your answer.)
3

Answers

Answer:

Step-by-step explanation:

use the idea of similar triangles.

6/3 = 3/x

2x = 3

x = 3/2

o
How can you explain, without just using a rule, why 4.2 = 0.2 is the
same as 42 = 2?
I

Answers

Ratio-wise it is the same :)

They're just moving decimals

.42 : .02

4.2 : .2

42 : 2

420 : 20

Santiago buys a new computer for $3000. He pays it off in 2 years and pays $480 in simple interest. What was the interest rate?

Answers

Answer:

8%

Step-by-step explanation:

We can solve this by making use of the simple interest formula

I= PRT/100

480= 3000×R×2/100

480= 6000R/100

Cross multiply

48000= 6000R

R= 48000/6000

= 8%

Hence the rate is 8%

Could a polyhedron exist with the given number of faces, vertices, and edges? Drag yes or no to each combination

Answers

Answer:

(a) No

(b) No

(c) No

Step-by-step explanation:

Given

See attachment

Required

Select Yes or No for each

To do this, we make use of Euler's formula

[tex]F + V - E = 2[/tex]

Where

[tex]F \to Faces; V \to Vertices; E \to Edges[/tex]

[tex](a):\ Faces = 8; Vertices = 12; Edges = 6[/tex]

Using: [tex]F + V - E = 2[/tex]

[tex]8 + 12 - 6 = 2[/tex]

[tex]14 = 2[/tex]

The above equality is false. Hence, (a) does not exist

[tex](b):\ Faces = 6; Vertices = 6; Edges = 4[/tex]

Using: [tex]F + V - E = 2[/tex]

[tex]6 + 6 - 4 = 2[/tex]

[tex]8 = 2[/tex]

The above equality is false. Hence, (b) does not exist

[tex](c):\ Faces = 20; Vertices = 30; Edges = 12[/tex]

Using: [tex]F + V - E = 2[/tex]

[tex]20 + 30 - 12 = 2[/tex]

[tex]38 = 2[/tex]

The above equality is false. Hence, (c) does not exist

fid the log of 0.0007356​

Answers

I hoped this helped!!

Ethan school has a sport Field with an area of 6450.35 square yards. If the length of the field is 90.85 yards, what is the width of the field

Answers

Answer:

6540.85

6450.35+90.85=6540.85

what is 7 copies of 1/10

Answers

Answer:

7/10

Step-by-step explanation:

1/10 + 1/10 + 1/10 + 1/10 + 1/10 + 1/10 + 1/10

Answer:

7/10

Step-by-step explanation:

i dont really know how i can explain it :(

6 + (8 x 3) - 9 Enter the value

Answers

Answer:

Hello, so the answer is 21.

Step-by-step explanation:

Okay so first we want to do it order, so the order you do it in is the order of PEMDAS which stands for  Parentheses, Exponents, Multiplication, Division , Addition and Subtraction.

So in this situation we have parenthesis, multiplication, subtraction and addition, so we start with the parenthesis, (8 x 3) which is 24. So then we move on to +6 (positive six) and -9 (negative 9) basically -9 minus 6 is -3.

Sooo now we have -3 and 24. The three is negative because -9 minus 6 is -3, and you have to put the sign of the bigger number.

Now, 24 minus 3 equals 21. So there we have it :)

Hope I helped!

You usually buy a 5.4 ounce bottle of lotion. There is a new bottle that says it gives
you 20% more free.
Use the drop-down menus to build an equation that could be used to find the size of
the larger bottle,x

Answers

Answer:

5.4 · 0.2

1.08 = 20%

5.4 + 1.08

6.48 ounce bottle

A pack of clothes pins has 1 quarter yellow 2 thirds red and the rest blue how much blue pins are there

Answers

Answer: 1/12

Step-by-step explanation:

First make all the fractions have the same denominator. To do that, multiply the fractions by a number that will get them the same denominator. In this case, multiply 1/4 by 3, and 2/3 by 4.

1/4 x 3/3 = 3/12

2/3 x 4/4 = 8/12

then you have 3/12 + 8/12 = 11/12

so, blue is 1/12

Answer:

1/12 of the pins are blue

Step-by-step explanation:

¼ yellow & ⅔ red

First you have to find a common denominator.

4×3 =12 & 3×4 =12 so the common denominator is 12.

Now × the numerator on the fraction with the same number that you x the denominator and you will get 3/12 and 8/12.

3/12 +8/12 = 11/12

12/12 - 11/12 = 1/12

Therefor 1/12 of the pins are blue

1) Is it a function?
Please help

Answers

Answer:

Hi, there your answer is no it is not a function

Step-by-step explanation:

Since x is repeating itself

No not a function sorry

if RT= 19 meters, find LW.

Answers

Answer:

if RT = 19 meters, Find LE

what is the multiplicative inverse of
A)-7/8
B)0
C)-1. 3/7

Answers

Answer:

[tex]a) \frac{ - 8}{7} [/tex]

[tex]b) \frac{0}{1} [/tex]

[tex]c) \frac{7}{3} [/tex]

hope it helps you:)

What is the surface area of the cylinder with height 6 m and radius 7 m?
Round your answer to the nearest thousandth.

Answers

Answer:

571.77 cm2 is the answer

Paloma opened a savings account with a deposit of $750. She earns 2% simple interest per year on the account. What will the total amount of money, in dollars, in palomas account after 1 year if there are no other deposits or withdrawals ?

Answers

Answer:

$765

Step-by-step explanation:

Given data

Principal= $750

Rate= 2%

Time= 1 year

The simple interest expression is given as

A=P(1+rt)

substitute

A= 750(1+0.02*1)

A= 750(1.02)

A= $765

Hence the final amount is $765

Find the slope between:
(1, -4)
(-6, -1)

Answers

Use gradient formula
slope = -3/7

use the slope formula: y2-y1 over x2-x1

-1-(-4) over -6-(-1) = -3/7

Why DEF and STU are similar?​

Answers

Answer:

They are similar because they both are in one page.

SMART.

PLEASE ANSWER QUICKLY

Answers

Answer:

10 %

Step-by-step explanation:

Probability that they like hip hop = number that like / total = 30/300 = 1/10 = 10%

Find the simple interest earned on $2,500 at 6% for 2 years.

Answers

Answer:

$2800

Step-by-step explanation:

6/100 x 2500 = 150

150 x 2 = 300

2500 + 300 = $2800

Feel free to mark it as branliest :D

Compare the triangles and determine whether they be proven congruent, if possible, by SSS, SAS, ASA, AAS, or HL. Write your answer in the box.

Answers

Answer:   SSS

========================================================

Explanation:

The sides shown by the single tickmark are the same length. That's one "S" of "SSS".

The sides shown with double tickmarks are the same length. This is another "S" of "SSS".

Lastly, the third unmarked sides of each triangle overlap together perfectly. We consider this a shared side. They are the same length due to the reflexive property. This is the third "S" of "SSS".

The order of the "S" terms mentioned above doesn't matter. All that matters is that we have three pairs of congruent sides. This is enough to use the SSS congruence theorem to prove the two triangles are congruent.

--------------

Extra info:

We don't have any information about the angles, so we cannot use ASA, SAS, or AAS.

We can't use HL because that only applies to right triangles.

PLEASE HELP FIRST TO ANSWER GETS BRAINLIEST

Answers

Answer:

4

Step-by-step explanation:

The initial value is the y value when x=0

When x=0, y=4

4 x=0 y=4. In the table

Hamad wants to buy a video game with a selling price of $55, on sale for 40% off. The sales tax in his state is 3.5%. How much will Hamad have to pay in all?

Answers

Answer:

34.16

Step-by-step explanation:

55x.40=22 discount

55-22=33 sales price

33x.035=1.16 sales tax

33+1.16=34.16 total price

Answer:

$33.75

Step-by-step explanation:

hope this helps

40) A 10 ft. ladder positioned against a house makes a 65 degree angle with the ground. How far away
from the house is the base of the ladder?
A. 4 feet
B. 6 feet
C. 9.06 feet
D. 4.22 feet

Answers

Answer:

Distance of ladder from base = 4.22 feet (Approx.)

Step-by-step explanation:

Given:

Length of ladder = 10 feet

Angle with ground = 65°

Find:

Distance of ladder from base

Computation:

Length of ladder (hypotenuse) = 10 feet

Distance of ladder from base (Base)

Using trigonometry function

Cosθ = Base / Hypotenuse

Cosθ = Distance of ladder from base / Length of ladder

Cos65 = Distance of ladder from base / 10

0.4226 = Distance of ladder from base / 10

Distance of ladder from base = 0.4226 x 10

Distance of ladder from base =  4.226

Distance of ladder from base = 4.22 feet (Approx.)

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