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vladimir1956 [14]
3 years ago
10

1. 4x + 5 + 7y + 3x *

Mathematics
2 answers:
dsp733 years ago
6 0

Answer:

7x + 7y + 5

Step-by-step explanation:

(1st put the like terms together like)

Q) 1. 4x + 5 + 7y + 3x *

= 4x + 3x + 7y + 5

= 7x + 7y + 5

(now this is the final answer 7x + 7y + 5)

Hope u understand it and this was the method taught by my teacher.

ddd [48]3 years ago
4 0

Step-by-step explanation:

7y +7x +5 = > answer

hope this will be helpful to you.

plz mark my answer as brainlist plzzzz

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Arisa [49]

Answer:

3.5

Step-by-step explanation:

7 0
3 years ago
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I need to increase my sales by 35% this month I’m currently at 45 sales how many sales do I need to meet my goal ?
telo118 [61]
Assume that 100% = 45 sales and 35% = X sales amount

You can create a ratio to help you solve for x

45 = 100%
x   =  35 %

Which is equal to this fraction:  (45/x) = (100/35)

Solving for X by cross multiplying and dividing by 100:
  [(45)(35)] / 100  =  X = 15.75 = 16 sales (rounded up)

You would need at least 16 sales to increase sales total by 35%
8 0
3 years ago
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PLEASE HELP IMMEDIATELY!!!! Find x when – Negative one-half + x = –Negative StartFraction 21 over 4 EndFraction. – Negative Star
balu736 [363]

Answer:

-61/4

Step-by-step explanation:

-1/2 + x = - 21/4 - 23/4 - 19/4

-1/2 + x = -(21+23+19)/4

x = -63/4 + 1/2

x= -63/4 + 2/4

x = -61/4

Hope that helps, tell me if you need further explanation. =)

3 0
3 years ago
Read 2 more answers
What is the value of x?​
masya89 [10]

Answer:

Option D is correct.

Step-by-step explanation:

We can tell that

  • 4x + \frac{x}{2} + 2 + \frac{3x-4}{2} = 180

Now, let's simplify.

=> 4x + 2 + \frac{4x-4}{2} = 180

=> 4x + 2 + 2x-2 = 180

=> 4x + 2x = 180

=> 6x = 180

=> x = 30

Therefore, Option D is correct.

Hoped this helped.

5 0
2 years ago
Your teacher gives you a number cube with numbers 1-6 on its faces. You are asked to state a theoretical probability model for r
butalik [34]

The missing part of the question is show in bold format.

Your teacher gives you a number cube with numbers 1-6 on its faces. You are asked to state a theoretical probability model for rolling it

once. Your probability model shows a probable outcome of 1/6 for each of the numbers on the cube, 1 chance for all any of the 6 numbers.

You roll it 500 times and get the following data:

Outcome 1 2 3 4 5 6

Frequency 77 92 75 90 76 90

Exercises 1–2

1. If the equality model was correct, about how many of each outcome

would you expect to see if the cube is rolled 500 times

2. Based on the data from the 500 rolls, how often were odd numbers observed? How often were even numbers observed?

Answer:

Step-by-step explanation:

1.

If the equally likely model was correct,  about how many of each outcome

would you expect to see if the cube is rolled 500 times.

The probability of rolling any of the numbers from 1 to 6 is  p(1/6)

The number of each of the outcomes expected to be seen in 500 rolls of the number cube is np

= 500 * \frac{1}{6}  \\ \\ = \frac{500}{6} \\ \\  = 83.333 \\ \\ \approx 83

2.  From the given data in the roll;

The odd numbers 1, 3 and 5, were obtained at  77, 75 and 76 times respectively.

Thus, the total number of times odd number were rolled = 77 + 75 + 76 = 228

Probability of an odd number turning up = \frac{ number \ of  \ required  \ outcome}{ total \  number  \ of  \ possible \ outcome}

= \frac{228}{500}

= 0.456

= 45.6%

The even numbers, 2, 4 and 6, were obtained 92, 90 and 90 times respectively.

The total number of times even number were rolled = 92 + 90 + 90 = 272

Probability of an even number turning up  = \frac{ number \ of  \ required  \ outcome}{ total \  number  \ of  \ possible \ outcome}

= \frac{272}{500}

= 0.544

= 54.4%

4 0
3 years ago
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