Of the marbles in a bag, 3 are yellow, 2 are red, and 2 are blue. Sandra will randomly choose one marble from the bag.The probability that Sandra will choose a blue marble at random is . It is that Sandra will randomly choose a blue marble.

Answers

Answer 1

Answer:

2/7 or 29%

Step-by-step explanation:

you add all the numbers than you put the blue marble on top and there it is.

Answer 2

Answer:

2/7

Step-by-step explanation:

Hello there.

1. First, you would add all the numbers up to get the total.

3 + 2 + 2 = 7 total marbles

2. Of those 7 marbles, 2 are blue. This would be 2/7 in fraction form.

Hence, there is a 2 in 7 chance that Sandra will choose a blue marble from the bag.

Hope this helps.

- Angelo


Related Questions

A line intersects the points
(12, -2) and (6, -8).
What is the slope of the line in
simplest form?
m = [?]

Answers

Answer:

1

Step-by-step explanation:

The formula for slope is y2 - y1 over x2 - x1.

-8--2 = -6

6-12= -6

-6/-6 = 1

1 quart = 4 cups

1 cup = 8 ounces

Solution: ____ glasses

Answers

Answer: 32 glasses

Step-by-step explanation: If 1 quart is 4 cups and 8 ounces are in 1 cup, 8x4=32 so there are 32 ounces in a quart. If he has 6 quarts 32x6+192 ounces. if each glass is 6 ounces 192/6=32.

4. The length of a rectangle is 18 centimeters and the width is 6 centimeters. A similar
rectangle has a width of 10 centimeters. What is the length of the missing side?

Answers

Answer:

30 cm

Step-by-step explanation:

So what we are given here is a case of similar figures.

When we are given similar figures, the ratio of the width of both figures should be similar to the ratio of the length of both figures.

I'll demonstrate it in the following problem.

We know one rectangle has a length of 18 cm and a width of 6cm.

The other rectangle has a width of 10 cm.

Let's take a ratio of the width of both rectangles.

We take the width of 6 cm for the first rectangle to the width of 10 cm for the second rectangle.

w1 = 6 cm

w2 = 10 cm

6 cm : 10 cm = 3 : 5

The ratio given is 3 : 5. Let's use these ratios to find lengths.

l1 = 18 cm

l2 = x cm

3 : 5 = 18 : x

To find x, we just solve this like an equation, where we let ratios be division signs.

3/5 = 18/x

Multiply both sides by 5x

3x = 90

Divide both sides by 3

x = 30 cm

The length of the missing side is 30 cm. We found the answer to the length by using the ratios obtained from the widths.

Find the value of k for which the equation x2+k(2x+k-1)+2=0 has no real roots.
Please answer it properly. Thank you.

Answers

Answer:

Please find the answer attached :)

I NEED HELP PLEASE!!!!!
What's the answer to the question below?
A penny weighs 2.5 grams while a dime weighs about 2.27 grams. How much do a penny and two dimes weigh?

Answers

Answer:

[tex]\huge\boxed{\sf 7.04\ grams}[/tex]

Step-by-step explanation:

A penny = 2.5 grams

A dime = 2.27 grams

2 dimes = 2.27 × 2 grams

             = 4.45 grams

Weight of a penny and 2 times:

= 2.5 + 4.54

= 7.04 grams

[tex]\rule[225]{225}{2}[/tex]

Part F About what is the average change in distance for each increase of 1 in the iron number ? What does this mean in terms of the situation?

Part D
What is the y-intercept of the correct graph? What is the y-intercept of the incorrect graph? Are the y-intercepts the same?

Answers

The average change in distance for each increase of 1 in the iron number is -10, and the y-intercept of the graphs are not the same

The average change in distance?

From the graph, we have the following points:

(x,y) = (4, 145) and (3,155)

The average change in distance is calculated using:

[tex]m = \frac{y_2 - y_1}{x_2 -x_1}[/tex]

So, we have:

[tex]m = \frac{155 - 145}{3 - 4}[/tex]

Evaluate

m = -10

Hence, the average change in distance for each increase of 1 in the iron number is -10

What the average rate in (a) represents?

The rate, -10 in (a) means that:

The distance decreases by 10 yards for each number of iron

The y-intercept

The y-intercept is the point where the graph crosses the y-axis

From the attached graphs, we have:

The correct graph has a y-intercept of 185The incorrect graph has a higher y-intercept (195)

Hence, the y-intercept of the graphs are not the same

Read more about linear regression at:

https://brainly.com/question/17844286

#SPJ1

Find the equation of a straight line which is perpendicular to the line
which
passes through the point (3, -2).

Answers

Answer:

I don't see the equation for the line, but I describe the process.

Step-by-step explanation:

Let's look for a line that has the form y=mx+b, where m is the slope and b the y-intercept (the value of y when x=0).

The slope of a perpendicular line is the negative inverse of the slope of the reference line.  In this case the equation for the reference line is missing.  If it is in the form y=mx+b, take the m value, invert it, and then give it a "-" sign.  For example, if the line is y = 2x +1, the negative inverse of the slope of 2 would be -(1/2).

The new line will have this new slope [-(1/m)] to make it y = -(1/m)x + b.

To find b, use the given point of (3,-2) in the equation and solve for b:

y = -(1/m)x + b

-2 = -(1/m)*(3) + b

Then solve for b and you'll have the equation for the solution to the problem.

At a candy store you could get 3 giant lollipops for $4.89. How much would it cost to buy 10 lollipops?

Answers

Answer:

16.3

Step-by-step explanation:

they are each 1.63 hope this helps pls mark as brainiest

Answer: $16.30

Step-by-step explanation:

$4.89÷3= $1.63

$1.63×10= $16.30

Question 6
The partial sum 1+3+5+...+39 equals =

Answers

Answer:

  400

Step-by-step explanation:

The 20 terms of the sum can be formed into 10 pairs, each with a sum of 40:

  = (1 +39) +(3 +37) +(5 +35) + ... +(19 +21)

  = 40 × 10 = 400

The indicated sum is 400.

A square tile has an area of
110 square centimeters. Which is the
best estimate of the length of one
side?

Answers

Answer:

Divide by 4

In this case one side would be 27.5

Step-by-step explanation:

A square has four sides so 110/4=27.5

What is the answer to -5x+2y-8x+6y

Answers

Answer:

-13x +8y

Step-by-step explanation:

-5x+2y-8x+6y

rearranging;

-5x-8x+2y+6y

(-5x-8x)+(2y+6y)

(-13x)+(8y)

Answer:

-13X+8Y.

Step-by-step explanation:

Combine like terms, -5x-8x = -13x.

2y+6y = 8y. goodluck.

What is the mean and median of the data

4.7,8.51,6.5,7.42,9.64,7.2,9.3

Answers

Answer:Median=7.42

Mean=7.61

Step-by-step explanation:

Find the missing value.
(√24-√k)(√24+√k)=5

Answers

Answer:

K=19

Step-by-step explanation:

MY WRITTEN RESPONCE BELOW

Write an equation in slope-intercept form for the line that is parallel to y=x−6 and that passes through the point (−5,−6).

Answers

Answer:

Equation: y = x - 1

a slope of 1, and a y-intercept of -1

Step-by-step explanation:

Given: y = x - 6

Slope-Intercept Form: y = mx + b -

where:

m is the slopeb is the y-intercept (when x = 0)

Note: parallel lines have the same slope

1. Determine the slope and y-intercept of the given equation:

⇒ y = x - 6 has a slope of 1, and a y-intercept of -6

2. Find the equation of the line parallel line that passes through the point (-5,-6):

⇒ y = x + b [substitute -5 for x and -6 for y]

⇒ -6 = -5 + b [add 5 to both sides]

⇒ -6 + 5 = -5 + 5 + b

⇒ -1 = b

Equation: y = x - 1

3. Check your answer using point (-5, -6):

⇒ y = x - 1

⇒ -6 = -5 - 1

⇒ -6 = -6 ✔

This statement is correct

Therefore, the equation of the line is y = x - 1

Help and show work please!!

Answers

Answer:

Between 9 and 10

Step-by-step explanation:

I just multiplied 2/3 by 14

Does that help?

Answer:

C

Step-by-step explanation:

first do 14/1 times 2/3

it will be 28/3, then divide that

it should be 9.3 repeating

which is in the range of 9 and 10

The area of a sector of a circle with a radius measuring 15 cm is 75(pi) cm2. What is the measure of the central angle that forms the
sector?

Answers

The sector of the circle is bounded by 2 radii, and the measure of the central angle that forms the sector is 120 degrees

How to determine the central angle?

The given parameters are:

Area = 75π cm^2Radius, r = 15 cm

The area is calculated using

Area = α/360 * πr^2

So, we have:

α/360 * π * 15^2 = 75π

Evaluate the exponent

α/360 * π * 225 = 75π

Divide both sides by 75π

α/360 * 3 = 1

Multiply

α/120  = 1

Multiply both sides by 120

α = 120

Hence, the measure of the central angle that forms the sector is 120 degrees

Read more about sectors at:

https://brainly.com/question/10090807

HELPPP frenss!!! HURRY

Answers

Answer:

8

Step-by-step explanation:

When you calculate it -4/3 times is 4 so add 4 to that and you get 4. Hope this helps

Well my question says Mona 28.086 seconds. Ashley 27.23 Seconds what's the difference of times second

Answers

Answer:

0.856 seconds

Step-by-step explanation:

just subtract mona's time from ashley's

phineas has more jolly ranchers than alan. if alan has 10 jolly ranchers how many do they have in total

Answers

Answer:

We cannot know.

Step-by-step explanation:

It only mentions that Phineas has more jolly ranchers than Alan. Since Alan has 10 jolly ranchers, the number of jolly ranchers Phineas could have is 11, 12, 13, 14... and so on. Phineas could have 1 billion jolly ranchers.

Solve for t.

–17 = –9 + 4t

Answers

Answer:

[tex]\boxed{\sf{t=-2}}[/tex]

Step-by-step explanation:

To solve for t, you have to isolate it on one side of the equation.

-17=-9+4t

First, you have to switch sides.

→ -9+4t=-17

Add by 9 from both sides.

[tex]\Longrightarrow: \sf{-9+4t+9=-17+9}[/tex]

Then, you solve it.

-17+9=-8

4t=-8

Divide by 4 from both sides.

[tex]\sf{\dfrac{4t}{4}=\dfrac{-8}{4}}[/tex]

Solve.

Divide the numbers from left to right.

-8/4=-2

[tex]\Longrightarrow: \boxed{\sf{t=-2}}[/tex]

Therefore, the correct answer is t=-2.

I hope this helps. Let me know if you have any questions.

Answer:

[tex]t = -2[/tex]

Step-by-step explanation:

Step 1:  Add 9 to both sides

[tex]-17 = -9 + 4t[/tex]

[tex]-17 + 9 = 4t - 9 + 9[/tex]

[tex]-8 = 4t[/tex]

Step 2:  Divide both sides by 4

[tex]\frac{-8}{4} = \frac{4t}{4}[/tex]

[tex]-2 = t[/tex]

Answer:  [tex]t = -2[/tex]

need help fast. dont know where to start

Answers

[tex]\bold{ANSWER:}[/tex]
Option D: 44; 44; 132

[tex]\bold{EXPLANATIONS:}[/tex]

What’s are the roots of the function?
Please help!

Answers

Answer:

  -3, 2

Step-by-step explanation:

The roots of a function are also called the "zeros" or "x-intercepts." They are the values of x where the function value is zero.

__

Here, the graph crosses the x-axis at x=-3 and x=2. The roots of the function are -3 and 2.

An angle measures mc001-1. Jpg radians. What is the degree measure of the angle? 2. 44° 140° 280° 439. 6°.

Answers

Answer:

140°

Step-by-step explanation:

edge just did the assignment

Solve for X and identify the angle relationship!!
PLSS I NEED THIS ASAP!
(WILL GIVE BRAINLIEST)

Answers

Answer: x = 10 and the angles are both corresponding angles

Step-by-step explanation: it is what it is

Corresponding angles are equal

4x+16=564x=56-164x=40x=40/4x=10

Can someone please give me the (Answers) to this? ... please ...

I need help….

Answers

Step-by-step explanation:

Step 1:  Answer question 1

[tex]6(4) = x(3)[/tex]

[tex]\frac{24}{3} = \frac{3x}{3}[/tex]

[tex]8 = x[/tex]

Answer: [tex]x=8[/tex]

Step 2:  Answer question 2

The radius of a circle is equal to the halfway point of a circle and in this example it is 29.5 cm.  To find the diameter of a circle we multiply the radius of the circle by 2.

[tex]29.5\ cm * 2[/tex]

[tex]59\ cm[/tex]

Answer:  [tex]59\ cm[/tex]

Step 3:  Answer question 3

The diameter of a circle is a line across a circle and in this example it is 22 cm.  To find the radius of a circle we divide the diameter of the circle by 2.

[tex]\frac{22\ cm}{2}[/tex]

[tex]11\ cm[/tex]

Answer: [tex]11\ cm[/tex]

Answer:

1. x=8

2. a

3. d

Step-by-step explanation:

Can someone help me find x and explain what they did

Answers

Step-by-step explanation:

Example 7

Join C to B to form BC, thereby creating ∆ ABC

OC is the radius of the circle (O is the center of the circle).

AD is the tangent to the circle at point C

When a radius of a circle meets with a tangent of the same circle, the angle between them is 90°

<ACB = <ACO = 90°

<ABC = 180 - (<ACB + <BAC)

= 180-(90+40)

= 50

Look closely,

<ABC = x = 50°

.

.

Example 8

Do same as Example 7

Join O to B to form OB, which is the radius of the circle.

<ABO= 90°

< BOA = 50°

<OAB= x+25= 180-(90+50)

x+25= 40°

x = 15°

help please help me

Answers

Answer:

45.4

Step-by-step explanation:

A=πr2=π·3.82≈45.3646

What is the excluded value?
a/
b-2
a=o
0b=2
Ob=-2
none of the above

Answers

Answer:

b = 2

Step-by-step explanation:

[tex]\frac{a}{b-2}[/tex]

the denominator cannot be zero as this would make the expression undefined. Equating the denominator to zero and solving gives the value that b cannot be

b - 2 = 0 ( add 2 to both sides )

b = 2 ← excluded value

A person's paycheck varies directly as the number of hours worked. Bill received $75 for 15 hours. How much would he receive for working 32 hours?​

Answers

Answer:

$160

Step-by-step explanation:

75/15=5 which means he makes $5 per hour

5*32=160

What's the difference between mean and median ?

Answers

The mean (average) of a data set is found by adding all numbers together and then dividing by the number of values in the set.

Median is the middle value when the numbers are ordered from least to greatest.
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