Helloooo any help :( ?
helloooo any help :( ? - 1

Answers

Answer 1
Answer:

Answer:

1/2p+2=3 1/2

Step-by-step explanation:

Answer 2
Answer:

Answer:

\frac12p+2 = 3\frac12

Step-by-step explanation:

The time he spends is the sum of the mandatory 2 hours and p times the half hour per puzzle. It has to end up to 3 1/2, so that's how you get the equation.

Of course, you can solve it as

p = (1\frac12)/(\frac12) = 3


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Equations with the variable on both sides . solve 2+ 6x = 1-x

Answers

so 2+6x=1-x
we can do anything as long as we do it to both sides
2+6x=1-x
try to get the unknown (x) on one side by itself
add x to both sides to get rid of the x on the right
2+x+6x=1+x-x
2+7x=1
subtract 2 from both sdies
7x=-1
divide by 7
x=-1/7
2 + 6x = 1 - x
+ 6x + x = 1 - 2
7x = - 1
x = - 1
        7

Solution: -1/7 

5x^2+19x+12 factor the polynomial

Answers

Δ = 19^2 - 4*5*12 => Δ = 121 => √(delta) = 11;
x1 = -0.8; x2 = -3;
5x^2+19x+12 = 5( x + 0.8)( x + 3) = ( 5x + 4)( x + 3);

Answer:

( x − 3 )( 5x − 4 )

Step-by-step explanation:

Estimates show that there are 1.4 * 10^8 pet fish and 9.4 * 10^6 pet reptiles in the United States. How many are there total in the United States? express in scientific notation.

Answers

There are total of 2.34*10^(8) pet fish and reptiles in the United States.

Define the term expression?

Calculations that include changeable altering multipliers, joining, removal, and random subdivision must be done. They could accomplish the following if they united: An algorithm, some data, and a mathematical problem.

To find the total number of pet fish and reptiles in the United States, we simply need to add the number of pet fish and pet reptiles together:

Total = 1.4*10^(8) + 9.4*10^(6)

To add these numbers together, we need to express them using the same power of 10. We can do this by rewriting 9.4 * 10^6 as 0.94 * 10^7:

Total = 1.4*10^(8) + 0.94*10^(7)

Now, we can add the numbers together:

Total = 1.4*10^(8) + 0.94*10^(7)

= 1.4 * 10^8 + 0.94 * 10^8   (since 10^7 = 10 * 10^6 = 10^1 * 10^6 = 10^7)

= 2.34 * 10^8

Therefore, there are a total of 2.34 * 10^8 pet fish and reptiles in the United States.

To know more about expressions, visit:

brainly.com/question/14083225

#SPJ1

Therefore , the solution of the given problem of expressions comes out to be the total number of pet fish and reptiles in the US is roughly

1.494 * 10⁸.

What precisely is an expression?

It is necessary to perform calculations which it involve joining, removal, and random subdivision variable changing multipliers. If they banded together, they could do the following: A mathematical challenge, some information, and an algorithm. A statement of equation truth contains formulas, elements, and arithmetic procedures like additions, subtractions, errors, and groupings. It is possible to assess and analyse words and phrases.

Here,

The number of fish and reptiles kept as pets must be added to the overall number of pets:

=> 1.4 * 10⁸ + 9.4 * 10⁶

We must change these numbers to the same power of 10 in order to add them. Since 108 is equal to 100 million,

we can achieve this by moving the decimal point in the second figure two places to the right:

=> 1.4 * 10⁸ + 0.094 * 10⁸

We can now multiply the numbers:

=> 1.494 * 10⁸

Thus, the total number of pet fish and reptiles in the US is roughly

=> 1.494 * 10⁸.

To know more about expressions visit :-

brainly.com/question/14083225

#SPJ1

How do you say 0.437 in decimals

Answers

Answer: 4 tenths, 3 hundredths, and 7 thousandths.

what do you mean

it's just 0.437

3 1/4 divided by 2 2/3
Please answer and then explain.

Answers

Hello,
If there is a methode for dividing mixed numbers, i would like to see it

For me, european, 3&1/4=13/4
2&2/3=8/3
(13/4)/(8/3)=13/4*3/8=39/32=1&7/32


Which statement describes the first step to solve the equation by completing the square? 2x^2+12x=32 Multiply both sides of the equation by 16 .
Add 6 to each side of the equation.
Multiply both sides of the equation by 12 .
Add 36 to each side of the equation.

Answers

Answer:

Option C is correct

Multiply both sides of the equation by (1)/(2)

Step-by-step explanation:

Given the equation:

2x^2+12x = 32

Multiply both sides by (1)/(2)  we get;

(1)/(2) \cdot (2x^2+12x) = (1)/(2) \cdot 32

Simplify:

x^2+6x = 16

Subtract 16 from both sides we have;

x^2+6x-16=0

Therefore, the first step to solve the equation by completing the square is,

Multiply both sides of the equation by (1)/(2)

Multiply both sides of the equation by 1/2