-2.30 as a fraction....

Answers

Answer 1

Answer:

Step-by-step explanation:

3 5/7

Answer 2

Answer: 23/10 or 2 3/10

Step-by-step explanation:

I used a calculator


Related Questions

a person can read 24 pages of a book in 1/3 of an hour what is the persons reading rate in pages per hour

Answers

Answer:

72.73 pages in one hour

or 72.73/hr

The answer would be 72 pages. You would just have to multiply 24 by 3 since that’s 1/3 of an hour.

There are 11 kids at a birthday party. If there are 6 girls and 5 boys at the party, what fraction of the kids are girls?

Answers

Answer:

6/11

Step-by-step explanation:

Fraction that are girls

girls/ total

6/11

Answer:

6/11

Step-by-step explanation:

5+6=11 girls =6 so 6/11

Whattttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt is y=3x-3

Answers

Answer:

-9

Step-by-step explanation:

the answer will be -9

1. Write an algebraic expression for the sum of three coins and c coins.
A. C+3
B. C/3
C. 3c
D. C-3

2. Use mental math to solve the equation.

Z/-12 = -5

A. 7
B. -60
C. -17
D. 60

3.Estimate the solution of the equation x-8.1= 5.3 to the nearest whole number.

A. About 13
B. About 14
C. About 4
D. About 3

4. Solve the equation

14 = t-44

A. -30
B. -58
C. 30
D. 58

-3 = j + 50

A. 80
B. 20
C. -1500
D. -80

2.8x = -9.24

A. 12.04
B. -0.3030
C. -3.3
D. -12.04

5.8 = z/2.2

A. 127.6
B. 0.37
C. 3.7
D. 12.76

Answers

Answer:

1 Is A

2 is B

3 is A

4a is D

4b is -53 but that's not an answer choice

4c is C

4d is D

How tall would the building be

Answers

Answer:

18

Step-by-step explanation:

1. Create the ratio 12:9

The first number in the ratio is where the length of the shadow will go. The second number is where the length of the building will go.

2. Subtract 21 by 12 to find out how much we have to add to 9. (21-12=9)

3. Add 9 to 9. (18)

We now have 21:18.

7. A group of 140 tourists are going on a tour. The tour guide rents
15 vans. Each van holds 9 tourists.
Part A
Write a division problem that can be used to find the number of
vans needed to carry the tourists. Then solve.

Answers

Answer:

16

Step-by-step explanation:

140 divided by 9 = 15.5

you need 16 vans to hold 140 tourists

Sohie’s mom cans jelly. She fills each jar with 1/2 a pint of jelly. If she made 1 7/10 pints of jelly, which expression can be used to find how many jars Sophie’s mom can fill?

Answers

Answer:

Number of jar Sohie's mom can make can be found out by dividing the total amount by the amount in one jar, so we can frame a equation like this,

Let the number of total jar be x,

x = (1 7/10) / 1/2

That is the answer, let us solve this equation,

x = 1 7/10 / 1/2

=> x = 17/10 * 2/1

=> x = 17/5 * 1/1

=> x = 17/5

17/5 = 3.40

Therefore, she can pack 3.4 jars of jelly.

If my answer helped, please mark me as the brainliest!!

Thank You!!

Answer:

if im correct i think the awnser is that she can pack 3.4 jars of jelly.

Step-by-step explanation: Please tell me if im correct or not

12.) Given the following information, determine which lines, if any, are parallel. State the converse that justifies your answer. Pleaseee helppp

Answers

Answer:

Step-by-step explanation:

            Given                  Parallel lines                     Converse

a. ∠13 ≅ ∠17                          a║c                  Corresponding angles

b. ∠4 ≅ ∠9                            d║e                  Exterior alternate angles

c. m∠20 + m∠21 = 180°        a║b                  Consecutive interior angles

d. ∠8 ≅ ∠19                                                    Vertical angles

e. ∠10 ≅ ∠23                         b║c                  Interior alternate angles

f.  m∠14 + m∠17 = 180°          a║c                  Consecutive interior angles

From the given diagram and information, it can be concluded that lines a, b, and c are parallel, and lines d and e are parallel.

The given lines in the diagram are a, b, c, d, and e.

a. It is given that the measure of angle 13 is equal to that of angle 17.

Now, these two angles are made by lines a, c, and d. Now, the angles are corresponding and equal, and hence, lines a and c will be parallel.

b. It is given that the measure of angle 4 is equal to that of angle 9.

These two angles are made by lines d, e, and b. Now, the angles are alternate exterior and equal, and hence, lines d and e will be parallel.

c. It is given that the sum of the measure of angles 20 and 21 is equal to 180 degrees.

These two angles are made by lines a, b, and e. Now, the angles are supplementary and their sum is 180 degrees, and hence, lines a and b will be parallel.

d. It is given that the measure of angle 8 is equal to that of angle 19.

These two angles are vertically opposite angles between lines a and e.

e. It is given that the measure of angle 10 is equal to that of angle 23.

These two angles are made by lines b, c, and e. Now, the angles are alternate interior and equal, and hence, lines b and c will be parallel.

f. It is given that the sum of the measure of angles 14 and 17 is equal to 180 degrees.

These two angles are made by lines a, c, and d. Now, the angles are supplementary and their sum is 180 degrees, and hence, lines a and c will be parallel.

Therefore, it can be concluded that lines a, b, and c are parallel, and the lines d and e are parallel.

For more details, refer to the link:

https://brainly.com/question/20263406

A bag contains 3 red marbles, 8 blue marbles and 7 green marbles. If three marbles are drawn out of the bag, what is the probability, to the nearest 1000th, that all three marbles drawn will be green?

Answers

Answer:

A bag contains 8 red marbles, 3 blue marbles and 7 green marbles.

Total = 18 marbles.

Probability of drawing three red marbles = probability of drawing one red without replacement + probab of drawing another without reeplacement + probab of drawing a third without replacement.

Probability of drawing three red marbles = 8/18 + 7/17 + 6/16 = 0.4444 + 0.4118 + 0.3750 = 1.2312.

Answer:

0.043

Step-by-step explanation:

What plus 32 equals 98

Answers

Answer:

66

Step-by-step explanation:

Answer:

Lets numeralise the question,

According to question 32+ ? = 98

So if we take the unknown value as x then we will get,

32+x=98

So by transposing we get,

x=98-32

=  66

So 66 should be added to 32 to get 98

Find the equation of the line perpendicular to y=-2x+1 that also intersects the points (8,2)

Answers

Answer:

y=2x+1

Step-by-step explanation:

change -2x to 2x

What is the equation of this line?
y=1/2x - 3
y=-1/2x-3
y= -2x - 3
y= 2x - 3

Answers

The equation of this line is: y= 1/2x - 3
The second one I just did it

Multiple-Step Problem
McKenna has 34 stuffed animals, Kenley has twice as many as McKenna. How many stuffed animals do the the girls have in all?​

Answers

Answer:

102

Step-by-step explanation:

You multiply 34 and 2 which gives you 68. Then you add 34 and 68 which gives you 102.

Please help! (95 points)

Answers

Answer:

303.61

Step-by-step explanation:

if you need explantion tell me and i will edit my answer

Answer:

24.4M

Step-by-step explanation:

Find the line that is perpendicular to line n that passes through point (2, –3).

If the slope of the perpendicular line is -2/5, what is the y-intercept of the perpendicular line?


A. b = -19/5

B. b = -11/5

C. b =4/5

D. b = 2




The answer is B. (b = -11/5)

Answers

The answer is B 11/5
the answer is b, -11/5

I need help!! Select all that apply

Answers

Answer: #1 . #2    #4

Step-by-step explanation:

cuz i know

Davion’s crew can hang 12 sheets of drywall in 15 minutes. At this rate, how many sheets can they hang in 1 hour? (15 minutes # 1/4 hour

Answers

Answer:

48 sheets

Step-by-step explanation:

15*4=60m=1hr

So 12*4=48 sheets in an hour

help I rly need help this is the problem I'm stuck one......



The table shows the average monthly minimum temperature of several US cities decide whether each statement about the temperature is TRUE or FALSE




CITY AND STATE. AVERAGE MIN TEMP


Fairbanks,AK. -16.9

Fargo,ND. 0.1

Duluth,MN. 1.5

Grand Forks,ND. -3.1




#1.the temperature of Fairbanks,AK is higher than the average temperature of Grand Forks,ND ..........is it true or false?


#2.the average temperature of Grand Forks,ND is farther from Zero than the average temperature of Duluth,MN..........is it true or False?



#3.teh average temperature of Fargo,ND is LOWER than teh average temperature of Grand Forks,ND..........is it true or false?


Answers

#1. False
#2. True
#3.False

find the standard deviation

Answers

Answer:

d. 7.3

Step-by-step explanation:

To get the standard deviation of a population of data, first take the sum of all the values, and divide it by the count to get the mean (average).

75 [1] + 90 [2] + 75 [3] + 80 [4] + 90 [5] + 80 [6] + 100 [7] + 85 [8] + 80 [9] + 85 [10] = 840.

Then divide by the count which is 10.

840/10 = 84 [This is the mean of the data.]

Then subtract every point of data from the mean and square it:

(75-84)^2 + (90-84)^2 + (75-84)^2 + (80-84)^2 + (90-84)^2 + (80-84)^2 + (100-84)^2 + (85-84)^2 + (80-84)^2 + (85-84)^2 = 81 + 36 + 81 + 16 + 36 + 16 + 256 + 1 + 16 + 1 = 540.

Then to get the variance, divide this all by the count.

540/10 = 54 [This is the variance of the data.]

Then all you have to do to get the standard deviation is take the square root of the variance.

√54 = 3√6 ≈ 7.3 [This is the standard deviation of the data.]

Find the value of MN if AB=18 cm, BC=14.4 cm, and LM=24 cm ABCD~LMNO

Answers

Answer:

14.4

Step-by-step explanation:

ABCD~LMNO

look, M and N are in the places of B and C

Please someone help what’s to answer to f(3)=2 + g(5)=-17

Answers

Answer:

5 g - 2.

Step-by-step explanation:77217, Solve for g, 19*23=17g, 19⋅23=17g 19 ⋅ 23 = 17 g ... 77235, Solve for g, g^-1(7)=3, g−1(7)=3 g - 1 ( 7 ) = 3 ... 77244, Solve for g, (g-2)/(g+10)=(g-4)/(g+5), g−2g+10=g−4g+5 g - 2 g + 10 = g - 4 g + 5 ... 77266, Solve for g, (7g-21)/3-(2g-7)/4+1=5g-2, 7g−213−2g−74+1=5g−2 7 g - 21 3 - 2 g - 7 4 + 1 = 5 g - 2.

Suppose there is a 3.1 temperature drop for every thousand feet that an airplane climbs
into the sky. If the temperature on the ground is 60.1, what will the temperature be
when the plane reaches an altitude of 11,000 feet?

Answers

Answer:

34.1 degrees

Step-by-step explanation:

given that the temperature drops 3.1 degrees for every thousand feet of elevation.

for an altitude of 11,000 feet (i.e 11 x 1000 feet), the temperature (compared to ground level) would drop,

= 3.1 deg / 1000-foot   x   11,000 feet

= 34.1 degrees

Find the slope of the line graphed below.

Answers

Answer:

m = -3/2

Step-by-step explanation:

m = (y2-y1)/(x2-x1)

m = (-1-2)/(3-1)

m = -3/2

What is the constant of proportionality in the equation StartFraction x over y EndFraction = StartFraction 2 over 9 EndFraction?

Answers

Answer:

so you asking what's the startfrsction and endfraction in the equation or ?

Answer please! I will give out brainlest!

Answers

It is the the 3 option I hope this helps

What is the slope of the line that passes through points (-3,5) and (11,5)

Answers

Answer:

slope = -3/14

Step-by-step explanation:

y1  - y2 / x1 - x2

They gave you one value, two total coordinates

5-5 = 1

-3 - 11

-14

1/-14

y=1/-14 + b

11= 1/-14(-3) + b

11 = -3/14 + b

17 + 14

b = 15 3/14

Find the directions in which the function increases and decreases most rapidly at P0. Then find the derivatives of the function in those directions.

Answers

Answer and Step-by-step explanation:

SOLUTION:

Given function:

h (x, y, z) = ln (x2 + y2 – 1) + y +6z,  p0(1, 1, 0)

Derivatives of the function:

∂h / ∂x = (1 / x2 + y2 -1). (2x)

          = 2x / x2 + y2 -1

∂h/∂y = (1 / x2 + y2 – 1) (2y + 1)

          = (2y / x2 + y2 -1) + 1

∂h / ∂z = 6

Now compute the partial derivatives:

∂h (1, 1, 0) / ∂x = 2(1) / 1 +1 -1

                            = 2

∂h(1, 1, 0) / ∂y =( 2(1) / 1 +1 -1) + 1

                           = 3

∂h (1, 1, 0) / ∂z = 6

Δh (1,1,0) = ( 2, 3, 6)

The definition of gradient is:

Δf (x, y, z) = (∂f / ∂x , ∂f / ∂y)

Put the coordinate values to arrive at solution:

Umax = Δh (1,1,0) / | Δh (1,1,0) |

      = (2, 3, 6) / |2, 3, 6|

     = (2, 3, 6) / √(22+33+62)

   = (2, 3, 6) / √49

    = (2, 3, 6) / 7

= (2/7 , 3/7, 6/7)

Umin = - U max = ( -2/7, -3/7, -6/7)

Compute direction by finding unit vector:

Du h max = Δh (1,1,0)  . u max

                 = (2, 3, 6) . (2/7, 3/7, 6/7)

                 = 2(2/7) + 3(3/7) + 6(6/7)

                 = 4/7 +  9/7 +36/ 7

                  = 49 / 7

                  = 7

Du h min = -Du h max

                = -7

What is NOT a way to write 52 + 80?
A.
50 + 2 + 80
B.
(50 + 80) + 2
c.
50 + 80 + 2 + 8
D.
50 + 2 + 80 + 0

Answers

Answer: C

Step-by-step explanation: 50+2+80+8 is not right

The answer is c because 50 + 80 + 2 + 8 is incorrect it has an extra number which is the eight at the end

A teacher has 25 students in a class. Each student has to pay $12.50 for a workbook to use in class. During the
first week of school, 7 students paid for their workbook. The remaining students paid for their workbook during the
second week of school. How much money did the teacher collect during the second week of school, what is the number problem

Answers

25-7=18
so 18 students paid in the second week
then you do
18x12.50=225
so the teacher collected $225 in the second week

your thinking
2. A shipping box should weigh 1.0 pound. If
there is a 10% error on the weight, what is the
range of acceptable weight?

Answers

Answer:

.9 pounds to 1.1 pounds

Step-by-step explanation:

10% of 1.0 is .1, so it allows for a .1 addition or subtraction to the weight of the box

Answer:

the answer is 0.9-1.0

Step-by-step explanation:

the answer is that because my teacher gave me the answer

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