Which is equivalent to 8x−y+3x

Answers

Answer 1
Answer: 11X - Y. I need to stall the for the 20 statements 

Answer 2
Answer:

Answer: b

Step-by-step explanation:


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Use the gcf of 60 and 100 to reduce 60/100.
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I am a quadrilateral with exactly one pair of opposite sides that are parallel. Who am I?
PLEASEEE HELPP The water usage at a car wash is modeled by the equation W(x) = 3x3 + 4x2 − 18x + 4, where W is the amount of water in cubic feet and x is the number of hours the car wash is open. The owners of the car wash want to cut back their water usage during a drought and decide to close the car wash early two days a week. The amount of decrease in water used is modeled by D(x) = x3 + 2x2 + 15, where D is the amount of water in cubic feet and x is time in hours. Write a function, C(x), to model the water used by the car wash on a shorter day. C(x) = 2x3 + 2x2 − 18x − 11 C(x) = 3x3 + 2x2 − 18x + 11 C(x) = 3x3 + 2x2 − 18x − 11C(x) = 2x3 + 2x2 − 18x + 11

On Serena's tenth birthday,her mom was 3 times Serena's age.How old will Serena and her mom be when her mom's age times 0.5 will equal Serena's age?

Answers

Serena 10th birthday means she was 10 and her mom was 3 times as old which is 30. They are 20 years apart so 0.5 or 1/2 her mom's age will be Serenas age when her mom is 40 and she is 20

Answer:

15 yrs

Step-by-step explanation:

10 x 3 = 30

30 x 0.5 = 15.0

Jorge is making 6 large salads and 4 small salads. Each large salad needs 10 cherry tomatoes and each small salad needs 6 cherry tomatoes. How many cherry tomatoes does Jorge need?

Answers

60 for the large
24 for the small
Solutions 

We know that Jorge is making 6 large salads and 4 small salads. Each large salad needs 10 cherry tomatoes and each small salad needs 6 cherry tomatoes. 

6 large salads need 10 c
herry tomatoes. 
4 small salads need 6 cherry tomatoes.  

To solve the problem you have to multiply. 

6 x 10 = 60 
4 x 6 = 24 

For 6 large salads he need 60 cherry tomatoes. 
For 4 small salads he need 24 cherry tomatoes. 

a jeweler buys a ring from jewelry maker for $125. he marks up the price by 135% for sale in his store. what is the selling price of the ring with 7.5% sales tax?

Answers

Answer with explanation:

Price paid by Jeweler to jewelry maker for a ring=$125

Price that Jeweler wants for the ring

          =125+125*(135)/(100)\n\n=125+168.75\n\n=293.75$

Sales tax =7.5%

Price of ring if 7.5 % sales tax is included in 135% marked price

      =293.75 -293.75 *(7.5)/(100)\n\n=293.75-22.03125\n\n=271.71875\n\n=271.72$

Price of ring if 7.5 % sales tax is not included in 135% marked price

      =293.75 +293.75 *(7.5)/(100)\n\n=293.75+22.03125\n\n=315.78125\n\n=315.78$

You wouls do 125 times 135% and that would be 168.75 then you would do 125 add 168.75 which would equal 293.75 then you would do 293.75 times 7.5% which equals 22.03 then you would do 22.03 add 293.75 and the answer would be 315.78

Last weekend 1270 students participated in the music festival. Write 1270 in expanded form using exponents

Answers

The exponent form of students participating in the music festival is

1×10³ + 2×10² + 7×10¹.

What is the standard decimal form of numbers?

The standard decimal form of numbers is written in base 10 as there are 10 different numbers from 0 to 9.

Each digit has a face value and a place value.

Given, Last weekend 1270 students participated in the music festival.

Now, 1270 in exponent form is as follows,

1270 = 1000 + 200 + 70.

1270 = 1×1000 + 2×100 + 7×`0.

1270 = 1×10³ + 2×10² + 7×10¹.

learn more about standardand exponent form of numbers here :

brainly.com/question/29000730

#SPJ2

1270= 1 x 10^3 + 2 x 10^2 + 7 x 10^1 

Hope this helps.

11. In a box-and-whisker plot, the interquartilerange is a measure of the spread of the
middle half of the data. Find the interquartile
range for the data set: 10, 3, 7, 6, 9, 12, 13.
A 12
© 6
B 7
D 8

Answers

The answer to the question would be 6 because it’s in the middle
6. The range is the middle number in a sequence. That’s how you will find your awsner. You are welcome:)

78 is 15% of what #? 1. | 3x - 2 | = 8 and | x + 1 | = 1
What value of x satisfies both equations above?
1. -1
2. 2
3. 1
4. -2

What is the slope of the line described by the 3y - 4x + 5 = 0 equation?
1. 4/3
2. -5/3
3. 5/4
4. 3/4

Please help.. Show work for ALL problems please.

Answers

1. 78 = 0.15x
    78 / 0.15 = x
    520 = x.....so 78 is 15% of 520

2. | 3x - 2 | = 8                               | x + 1 | = 1

3x - 2 = 8      -(3x - 2) = 8            x + 1 = 1          -(x + 1) = 1
3x = 8 + 2      -3x + 2 = 8             x = 1 - 1           -x - 1 = 1
3x = 10           -3x = 6                  x = 0                 -x = 2
x = 10/3           x = -2                                             x = -2

ur answer is : x = -2

3. 3y - 4x + 5 = 0
    3y = 4x - 5
      y = 4/3x - 5/3
   slope = 4/3