Helpppppppppppppppppppppp

Helpppppppppppppppppppppp

Answers

Answer 1

Hey there! I think the answer is -6r + 5

Answer 2

Answer:

[tex]-6r + 5[/tex]

Step-by-step explanation:

Combine like terms

[tex] -4r-2r+5 [/tex]

[tex](-4r + -2r) + 5 [/tex]

[tex] -6r + 5 [/tex]

You cannot combine them anymore.


Related Questions

HAVE TO EVALUATE SHOW WORK !!!!!

2ny + x

Answers

Answer:

9

Step-by-step explanation:

2ny + x

Start with n and y

n= 3/4

y = 6

2*n*y = 2* 3/4 * 6          2 * 6 = 12

12 * 3/4 = 36 / 4 = 9

There are many ways to do this. I have chosen one that does not require cancellation.

Negative 6 equal 2/9 x

Answers

Step-by-step explanation:

-6 = 2/9 x

2/9x = -6

x = (-6)×9/2

= -27

ILL GIVE YOU BRAINLIST !!! HAVE TO GET IT RIGHT !!

Evaluate the expressions

Answers

Answer:

-32/3

Step-by-step explanation:

-10 2/3 , -10.6

Answer:

-32 I just looked it up on photomath

The double box plot shows the test scores for Miss Robinson's second and fourth period
classes. Based on the double box plot, which sentence is true?

Answers

Answer: The second period class has the greater first quartile.

The second-period class has the greater first quartile. Then the correct option is A.

What is a double box?

Like the other twin graph styles discussed in earlier sections, double package plots provide for a fast detailed evaluation of two sets of data.

The double box plot shows the test scores for Miss Robinson's second and fourth-period classes.

Based on the double box plot. Then the true sentence will be

The second-period class has the greater first quartile. Test Scores

Then the correct option is A.

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twelve thousand four hundred three in standard form

Answers

Answer:

12,403

Step-by-step explanation:

twelve thousand = 12,000

four hundred = 400

three = 3

Add them all up.

Your answer is 12,403.

Hope this helps!

Answer: 12,403

twelve thousand = 12,000

four hundred = 400

three = 3

The answer is 12,403. Hope this helps!

Robert has 4 shirts (blue, white, gray, and red) and 3 ties (striped, solid, polka dotted). Robert reaches into his closet and grabs 1 shirt and 1 tie, without looking. Find the probability that Robert chooses the white shirt and striped tie

Answers

Answer:

1/12

Step-by-step explanation:

Total shirts: 4

White shirts: 1

p(white shirt) = 1/4

Total ties: 3

Striped ties: 1

p(striped tie) = 1/3

The overall probability is the product of the individual probabilities.

p(white shirt & striped tie) = p(white shirt) * p(striped tie) = 1/4 * 1/3 = 1/12

Answer:

The answer is 1/2

Step-by-step explanation:

4 shirts that mean 1/4

and 3 ties that mean 1/3

If we choose one it will be 1/2

sry if you don't get it

Y=BD-5, for B. solve for B​

Answers

Answer:

Step-by-step explanation:

BD - 5 = Y

BD = Y + 5

B = (Y + 5)/D

y=BD-5
5+y=BD
B=D(y+5)

What’s the perimeter of a rectangle 47ft 57ft

Answers

Answer:

The perimeter is (47x2)+(57x2). So the answer is 208ft

Step-by-step explanation:

Paul has 16 fish pictures and 12 deer pictures. He wants to arrange the pictures in rows with the same numbers of fish and of deer pictures in each row. What are the possible numbers of rows

Answers

Answer:

4 rows

Step-by-step explanation:

GCF of 12 and 16 is4

35 POINTSThe line contains the point (-8,7) and is perpendicular to 3x+2y=-7 The equation of the line is:

Answers

Answer:

The answer is

[tex]y = \frac{2}{3} x + \frac{37}{3} [/tex]

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the perpendicular line we must first find the slope of the original line

We must first write the equation in the general form above in order to find the slope

3x + 2y = - 7

2y = - 3x - 7

Divide both sides by 2

y = - 3/2x - 7/2

Comparing with the general equation above

Slope = - 3/2

Since the lines are perpendicular to each other the slope of the perpendicular line is the negative inverse of the original line

Slope of perpendicular line = 2/3

So the equation of the line using point (-8,7) and slope 2/3 is

[tex]y - 7 = \frac{2}{3} (x + 8) \\ y - 7 = \frac{2}{3} x + \frac{16}{3} \\ y = \frac{2}{3} x + \frac{16}{3} + 7[/tex]

We have the final answer as

[tex]y = \frac{2}{3} x + \frac{37}{3} [/tex]

Hope this helps you

(HELP MEH) Why is √​5​​ irrational?
A.) because it is less than one
B.) because it has no opposite
C.) because all square roots are irrational
D.) because it cannot be expressed as a ratio of integers

Answers

Answer:

  D.)  because it cannot be expressed as a ratio of integers

Step-by-step explanation:

The root of any integer that is not a perfect square is irrational. 5 is not a perfect square, so is irrational—it cannot be expressed as the ratio of integers.

__

Proof

Suppose √5 = p/q, where p and q are mutually prime. Then p² = 5q².

If p is even, then q² must be even. We know that √2 is irrational, so the only way for q² to be even is for q to be even—contradicting our requirement on p and q.

If p is odd, then both p² and q² will be odd. We can say p = 2n+1, and q = 2m+1, so we have ...

  p² = 5q²

  (2n+1)² = 5(2m+1)²

  4n² +4n +1 = 20m² +20m +5

  4n² +4n = 4(4m² +4m +1)

  n(n+1) = (2m+1)²

The expression on the left will be even for any integer n; the expression on the right will be odd for any integer m. This equation cannot be satisfied for any integers m and n, so contradicting our assumption √5 = p/q.

We have shown using "proof by contradiction" that √5 cannot be the ratio of integers.

which number sets does 3/4 belong to?

Answers

The answer is it BELONGS TO THE RATIONAL SET

The number 3/4 is belong in Rational number.

Here,

The number is 3/4.

We have to find the number sets of 3/4 belong to.

What is Rational number?

A number that can be represented as the quotient p/q of two integers such that q ≠ 0.

Now,

The number is 3/4.

Clearly, the number is in the form of fraction p/q such that q ≠ 0.  

Hence, The number 3/4 is belong in Rational number.

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If 630 sweets were distributed among Ben,
Lucy and Jane in ratio 2: 3: 4. How many
sweets does Jane get?
A 140
B. 210
C. 260
D. 270
E 280​

Answers

Answer:

E

Step-by-step explanation:

630/2+3+4=630/9=70

Multiply each value in the ratio by 70.

Jane: 70*4=280

An online test of English spelling looked at how well people spelled difficult words. The bar graph to the right shows how many people per 100 spelled each word correctly. a. Estimate the number of people per 100 who spelled weird correctly. Round to the nearest 5. b. In a group consisting of 8724 randomly selected​ people, estimate how many more people can correctly spell weird than inoculate.

Answers

Answer:

a). 85 people

b). 4362 people

Step-by-step explanation:

The given bar graph shows how many people per 100 spelled each word correctly.

a. From the graph given extreme end of the bar for the word "weird" is between 80 - 90.

Therefore, approximate number of the persons who spelled weird correctly will be 85 (rounded to the nearest 5).

b. The number of people who can correctly spelled word "weird" = 85

The number of people who can correctly spelled word "inoculate" = 35

In 100 people, number of people who can correctly spell "weird" more than "inoculate"

= 85 - 35

= 50

in a group of 8724 randomly selected people, number of people who can spell the word "weird" correctly more than "inoculate"

= [tex]\frac{50}{100}\times 8724[/tex]

= 4362 people

The number of people per 100 who spelled weird correctly is 85 rounded to nearest 5. In a group consisting of 8724 randomly selected​ people, 4362 people can correctly spell weird than inoculate.

Random selection means each individual has equal chance of being selected.

Given graph has the following information:

Total number of people under survey=100

a. To estimate the number of people per 100 who spelled weird correctly

From the graph it is around 84 and rounding it to nearest 5 will results in 85.

b. From the graph,

Number of people can correctly spell inoculate= 35

Number of people can correctly spell weird than inoculate=85-35

=50 out of 100

Using unitary method as follows:

100-------->50

1------------>1/2

8724------>1/2x8724

=4362

Thus, out of  8724 randomly selected​ people, 4362 people can correctly spell weird than inoculate.

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Find the sum in lowest terms 1/55+6/11

Answers

Answer:

31/55

Step-by-step explanation:

The LCD is 55.

1/55 + 6/11 =

= 1/55 + 30/55

= 31/55

31 is prime, so the fraction cannot be reduced.

Answer: 31/55

IQs as measured by the Wechsler Adult Intelligence Scale are approximately Normal with mean 100 and standard deviation 15. About 84% of people will have IQs below 115 because 115 is _____ standard deviation(s) above the mean.

Answers

Answer:

1 standard deviation

Step-by-step explanation:

Given that :

IQs as measured by the Wechsler Adult Intelligence Scale are approximately Normal with:

Mean = 100

Standard deviation = 15

About 84% of people will have IQs below 115 because:

84% = 0.84

From z - table, 0.84 corresponds to a z- score of about 0.995

0.995 = 1. 00

The z-score gives the number of standard deviations by which a raw score is above or below the average or mean value.

Raw score = 115

Mean = 100

Standard deviation (sd) = 15

Mean + number of sd's

100 + 1(sd)

100 + 1(15) = 100 + 15 = 115

How much interest does a $10,000 investment earn at 5.6% over 18 years? ​

Answers

Answer : $10,080

- I hope this helps that was a lot of math lol

A car can travel 38 miles on each gallon of gasoline. At that rate, how many gallons of gasoline will it take to travel
190 miles?
2
5
20
50

Answers

Answer:

5 gallons of gasoline

Step-by-step explanation:

since we have the number of miles the car drives per gallon (38) we can set up an equation

the equation would be the number of miles per gallon (38) times the number of gallons it would take to drive 190 miles (x) equals 190 miles

38x = 190

you then divide 190 by 38

x = 5 gallons

Five gallons of gasoline must be taken to travel 190 miles.

What is the unitary method?

The unitary method is a problem-solving methodology that involves first finding the value of a single unit and then finding the necessary value by multiplying the single unit value.

How many gallons of gasoline will it take to travel 190 miles?

On one-gallon gasoline, the car can travel 38 miles.

Let x gallons of gasoline be taken to travel 190 miles.

So, 38x=190

⇒x=190/38=5

Hence, 5 gallons of gasoline is taken to travel 190 miles.


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morgan bought a pair of shoes at a sale of 25% . if the amount she paid was $1000 , find the market price ?​

Answers

Answer:

$4,000

Step-by-step explanation:

to find the market price you:

1000x100=100000

100000/25=4000

Answer:

4,000

Step-by-step explanation:

a medical transcriptionist has a four drawer cabinet. one drawer is 4/5 full and one is 1/2 full and one drawer is 3/4 full. can the contents be combined into 3 drawers why or why not

Answers

Answer:

well the sum of all the fraction combined are 2.05, so you could fill 2 1/2 drawers. So technically you could use 3 drawers, but the 3rd one won't be full.

hope that helps

work out (7x10^5)\div (2x10^2) give your answer in standard form

Answers

answer: 200dvi

I hope this helped, not entirley sure if I did it correctly.

Hey there!

(7 * 10^5) ÷ (2 * 10^2)

10^5

= 10 * 10 * 10 * 10 * 10

= 100 * 100 * 10

= 10,000 * 10

= 100,000

10^2

= 10 * 10

= 100

= (7 * 100,000) ÷ (2 * 100)

7 * 100,000

= 700,000

2 * 100

= 200

700,000 ÷ 200

= 3,500

Therefore, your answer is: 3,500

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

Paige can run one lap around a track in 3 1/5 minutes. How long would it take her to run 6 1/2 laps?

Answers

1 lap equals to 3 1/5 minutes what about 6 1/2 cross multiply to get 6 1/2*3 1/5 divide by 1 you get 20 4/5 translated to time is 20 minutes and 48 seconds (4/5*60=48)
20 minutes 48seconds

28) Solve the formula for g

Answers

Answer:

S=1/2gt2

you cross multiple

2s/t2 =gt2/t2

divide both sides by t2

to get

g=2s/t2

which is C

If f(x) = 4x - 7 and g(x) = 3x + 9 find (f+g) (5)

Answers

Answer: (f+g)(5)=37

Step-by-step explanation:

(f+g) (5) is the same as saying f(5)+g(5). Since we are given f(x) and g(x), we can use them to solve. There are two ways to solve. One is to find f(5) and g(5), and then add them together. Another way is to do (f+g)(x), then plug in x=5. I will show both methods.

Method 1

f(5)=4(5)-7                       [multiply]

f(5)=20-7                         [subtract]

f(5)=13

g(5)=3(5)+9                     [multiply]

g(5)=15+9                        [add]

g(5)=24

(f+g)(5)=13+24                [add f(5) and g(5)]

(f+g)(5)=37

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

Method 2

(f+g)(x)=4x-7+3x+9         [combine like terms]

(f+g)(x)=7x+2

(f+g)(5)=7(5)+2                [plug in x=5]

(f+g)(5)=35+2                  [add]

(f+g)(5)=37

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

Now, we know that (f+g)(5)=37. We confirmed this with both methods.

10 students of a class had a mean score of 70. The remaining 15
students of the class had mean score of 80. What is the mean score of
the entire class?

Answers

Oops someone else answered it before me

which angles are supplementary to each other?

Answers

Answer:

Angles 2 and 3 are supplementary to each other

Step-by-step explanation:

A supplementary angle is 2 angles that when you add the sum is 180.

8 A television show uses 15 minutes of every hour for commercials, leaving
the remaining 45 minutes for the actual show. Which ratio below represents
the commercial minutes to the show minutes?
A1: 4
B 4:1
C1:3
D3:1

Answers

C 1:3


15:45 can be simplified by dividing by 15 to give you a ratio of 1minute if commercials for every 3 minutes of the actual show

what are the even numbers -7,-4,2,14,21,34,42​

Answers

Answer:

-4, 2, 14, 34, and 42

Step-by-step explanation:

These are all even because they are multiples of 2. Also, for it to be even, the ones place MUST be one of the following: 0, 2, 4, 6, 8

Answer:

-4,2,14,34,42

Step-by-step explanation:

Even numbers are divisible by 2

-4/2 =-2

2/2 =1

14/2 = 7

34/2 = 17

42/2 = 21

Fill in the blank to make the equation true: []+3×7=15

Answers

Answer:

-6

Step-by-step explanation:

(-6) + 3 x 7 = 15

Find the quotient: –10/19÷(−5/7)

Answers

Answer:

14/19

Step-by-step explanation:

Note that there are two " - " signs here.  Thus, the end result will be " + "

We move from left to right, obtaining first 10/19 divided by (5/7):

10

----- ÷ (5/7)

19

To divide by (5/7), invert (5/7) and then multiply.  We get:

10      7      2(7)

----- * ----- = ------- = 14/19

19       5       19

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