PLEASE HELP ME!!! THIS IS URGENT!!! DUE IN 5 MINUTES!!!
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Answer:

[tex] \huge{ \bold{ \boxed{ \text{4a + 6}}}}[/tex]

Step-by-step explanation:

[tex] \text{ (3a + 7) + (a - 1)}[/tex]

In addition , sign of each term in the expression remains unchanged. So, Remove the unnecessary brackets.

[tex] \text{⇢ \: 3a + 7 + a - 1}[/tex]

Combine like terms. Like terms are those which have the same base. Only coefficients of like terms can be added or subtracted.

[tex] \text{⇢ \: 3a + a + 7 - 1}[/tex]

[tex] \text{⇢ \boxed{ \text{4a + 6}}}[/tex]

And we're done! :D

Hope I helped!

Best regards! :D

~TheAnimeGirl

Answer:

−2x3

Step-by-step explanation:

i sloved the equation then mulitipilied by 3

Answer:1. 6/9 2. 0.69 3. 6.7

Step-by-step explanation:i think this is correct

Answer:

It is: 6.7%, 6/9, 0.67.

Step-by-step explanation:

Convert all your numbers to decimals.

6.7% = 0.067

6/9 = 0.66... (repeating decimal)

0.67 = 0.67 (already a decimal)

Line the decimals up to make them fair to compare then order them from least - greatest.

Answer:

25:1

Step-by-step explanation:

I hope this helps!

Answer:

2:6

Step-by-step explanation:

fist eufhuh rhbgr ncv u;hkjfn.jfmncmghlwirgihu

Answer:

55/8

Step-by-step explanation:

If 11/4 packages of beads are used to make 10 bracelets;

Hence the number of packages of beads that would be used to make 25 bracelets = (11/4 × 25)/10 = 55/8 packages of beads.

Answer:

A) Matched pairs design

Step-by-step explanation:

In experimental design, the match pairs experimental design is one that often involves only two treatment conditions; which in this case are the 'refrigerated and the room temperature battery storage types'.

Thus, these two treatment conditions form a matched pair because we are told that 10 fully charged batteries are placed into each type of storage.

kikaksyvjabsjxjjcjallalalalakjdiloveyouhahahahjss

Answer:

y<2

Step-by-step explanation:

Subtract 2 on both sides

Answer:

y<2

Step-by-step explanation:

Answer and Step-by-step explanation:

A whole number isn't irrational because it is a whole number. Confused? Most likely.

A whole number is any of the numbers {0, 1, 2, 3, ...} etc. There is no fractional or decimal part. And no negatives. Example: 5, 49 and 980 are all whole numbers.

An Irrational Number is a real number that cannot be written as a simple fraction. Irrational means not Rational. The irrational numbers are all the real numbers which are not rational numbers. That is, irrational numbers cannot be expressed as the ratio of two integers.

These are both real numbers because they don't go through the 4th wall (of science/math)

Imaginary numbers would use i.

Answer:

ill give u the answer if u do 73 divided by 2628

Step-by-step explanation:

Answer: k = 3

Step-by-step explanation:

U first expand

96 - 8k = 3k + 63

Then u add 8k from both sides

96 = 3k + 63 + 8k

then u simplify

3k + 63 + 8k to 11k + 63

then u subtract 63 from both sides

96 = 11k + 63

Then u simplify 96 - 63 to 33

33 = 11k

Then u divide both sides by 11

33/11 = k

then u simplify 33/11 to 3

3 = k

and last u switch the sides

k = 3

Answer:

She made 91 dollars

Step-by-step explanation:

6.50 times 5 = 32.5

6.50 times 9 =58.5

58.5+32.5=91

Answer:

Your answer is $91.00.

Step-by-step explanation:

6.50 * 5 = 32.5

6.50 * 9 = 58.5

             =  91

Hope this helps!

Answer:

$49.95

Step-by-step explanation:

Since each tree costs the same, we can find the individual cost by dividing the total cost by the number of trees:

349.65/7

= 49.95

So, the cost of one tree is $49.95

Answer:

4x(x^2 + 13x + 36)

Step-by-step explanation:

Multipy through to get the original value

Answer:

25

Step-by-step explanation:

5 times 5

5x5=25

hope this helps

Answer:

Step-by-step explanation:

alternate interior angles are congruent if and only lines are parallel.

Complete question :

shopkeeper sells one machine for 990 re at a profit of 10% and another machine for 1960 at a loss of 2%. What is his gain or loss percent

Answer:

1.72%

Step-by-step explanation:

Given that :

MACHINE 1:

Sales price = 990

Profit percent = 10%

The cost price of the machine (x) :

10% profit of x :

(100 + 10)% of x = 990

110% of x = 990

1.1x = 990

x = 990/1.1

x = 900

MACHINE 2:

Sales price = 1960

Loss on sale = 2%

Cost price (x) :

(100 - 2)% of x = 1960

98% x = 1960

0.98x = 1960

x = 1960/0.98

x = 2000

Total amount realized from sale = (990 + 1960) = 2950

Total cost of production = (2000 + 900) = 2900

Profit Made = (2950 - 2900) = 50

% profit:

(Profit / cost of production) * 100

(50 / 2900) * 100%

0.0172413 * 100%

profit % = 1.72

The profit made is 50

Cost price of first machine will be:

= 100/(100 + 10) × 990

= 100/110 × 990

= 100 × 9

= 900

Cost price for second machine will be:

= (100 - 2) × x = 1960

= 98% × x = 1960

= 0.98x = 1960

x = 1960/0.98.

x = 2000

The total cost price = 900 + 2000 = 2900

Total selling price = 990 + 1960 = 2950

Therefore, profit will be:

= Selling price - Cost price .

= 2950 - 2900

= 50

Read related link on:

https://brainly.com/question/17698813

Answer:

4, 10, 23, 46, 58

Step-by-step explanation:

this is easy stuff bro, did u rlly have to look this up

Answer:

30

Step-by-step explanation:

it is right

Answer:

Step-by-step explanation:

8-2x>12

will be nice if you give me brainlies.Good luck!

Answer:

I think the answer is B It lies between 11 and 12

Step-by-step explanation:

Answer:

A. It is not a function because 0 outputs multiple items

B. the domain seems to be 0,1,2,3

c.The range seems to be -2,1,2,4

Step-by-step explanation:

Answer: -106/5= −21.2

Step-by-step explanation:     Adding fractions which have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

2 - (108)/5 = -106/5

Answer:

17,985

Step-by-step explanation:

33(545)= 17,985

Answer:

man thats cool

Step-by-step explanation:

Answer:

26:14

Step-by-step explanation:

It ask for girls first and there are 26, then boys which is 14. So the ratio would be 26:14.

Hope this helps