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Dmitry [639]
3 years ago
5

Can someone please help me out with this :)

Mathematics
1 answer:
Temka [501]3 years ago
3 0
The answer is the first option. 3x-y=2
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Identify the prime numbers in the following list 5 7 12 11
Elis [28]

Answer:

<h2>5, 7, 11</h2>

Step-by-step explanation:

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

A prime number has only two divisors: 1 and itself.

Therefore, the prime numbers are:

5, 7 and 11.

12 is not a prime because 12 = 2 × 6 = 3 × 4.

12 has six divisors: 1, 2, 3, 4, 6 and 12.

7 0
3 years ago
14 points
Lelu [443]

Answer:

11,040 is the answer

Step-by-step explanation:

you just need to subtract

7 0
3 years ago
Read 2 more answers
Write the coordinates of the vertices after a reflection over the x-axis. 1072
Liula [17]

The reflection about x-axis results in same x coodinate with oppositive of y coordinate. It can be expressed as,

(x,y)\rightarrow(x,-y)

Determine the coordinates of the vertices after reflection over the x-axis.

Q(6,-8)\rightarrow Q^{\prime}(6,8)R(7,-8)\rightarrow R^{\prime}(7,8)S(7,-5)\rightarrow Q^{\prime}(7,5)T(6,-5)\rightarrow T^{\prime}(6,5)

6 0
1 year ago
Hiro and his co-workers had lunch at a restaurant near their work. An 18% tip on their bill was $10.08. How much was the bill, n
Ghella [55]

Answer:

$8.27

Step-by-step explanation:

First we need to find the tip.  We know it was 18% of the total. So...

x (the variable we need to find)         18%

__                                                   =     ___

10.08 (the total bill including tip)        100%

cross multiply

100x = 181.44

--------------------   (divide by 100 to get x by itself)

100

x = 1.81 (The 18% tip that was given)

So now we know how much the tip was, we subtract it from the bill

10.08 - 1.81 = $8.27

5 0
3 years ago
Amir started a business with john and jack. Amir invested 2/6 of the amount to start a business. John 2/5 of the investment. The
Nonamiya [84]

First, we need to add 2/6 and 2/5.

2/6 can be simplified to 1/3

We need to have 1/3 and 2/5 have the same denominator. 3 and 5's LCM (least common multiply) is 15.

Multiply both the numerator and denominator of 1/3 by 5. This equals 5/15.

Multiply both the numerator and denominator of 2/5 by 3. This equals 6/15.

5/15 plus 6/15 is 11/15. This means that Jack's 6000 dollars is 4/15.

Let's say that x is the total amount invested by all three.

6000/x would equal 4/15.

Solve this by multiply 6000 by 15 and 4 by x and making these two equal each other.

90000 would equal 4x. Divide both sides by 4 to get x.

90000 divided by 4 would be 22500.

4/15 is the fraction by Jack

22500 is the total amount invested by all 3

7 0
3 years ago
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