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tresset_1 [31]
3 years ago
10

So I have a math presentation in a couple of minutes do you have any advice to boost my confidence?

Mathematics
1 answer:
Sedaia [141]3 years ago
3 0

Answer:

keep calm and believe in yourself

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Solve – 6(x – 3) + x + 3 = -9 for x.
soldi70 [24.7K]

Answer:

In this equation, the value of x is equal to 6.

Step-by-step explanation:

We are given an algebraic equation in which we need to solve for x.

We can use several properties and algebraic methods to solve this equation.

\displaystyle -6(x - 3) + x + 3 = -9

Firstly, we want to use the distributive property to evaluate the first term in the equation: -6(x - 3).

-6(x - 3) + x + 3 = -9\\\\-6x + 18 + x + 3 = -9

By distributing the -6 through, we get -6x and positive 18. Then, we need to begin combining like terms. Let's start with our constants (or the terms without a variable).

-6x + 18 + x + 3 = -9\\\\18 + 3 = 21\\\\-6x + x + 21 = -9

Then, we can combine our terms with variables.

-6x + x + 21 = -9\\\\-6x + x = -5x\\\\-5x + 21 = -9

Now, we can use the subtraction property of equality which states that if we subtract a term from one side of an equation, we must also subtract it from the opposite side. Therefore, we want to get x by itself, so we can subtract 21 from both sides using the subtraction property of equality to do this.

-5x + 21 = -9\\\\-5x + 21 - 21 = -9 -21\\\\-5x = -30

Finally, we can use the division property of equality and divide both sides of the equation by -5 to isolate x.

\displaystyle -5x = -30\\\\\frac{-5x}{-5} = \frac{-30}{-5}\\\\x = 6

Therefore, by solving the multi-step equation, we solved that x = 6.

3 0
3 years ago
Prove that √3+√5 is an irrational​
Elden [556K]

Step-by-step explanation:

\sqrt{3}  +  \sqrt{5}  \\  =  \sqrt{8}  \\  = 2.828427125 \\ so \: is \: an \: irration

3 0
3 years ago
Read 2 more answers
Hey answer equation please thanks
Ainat [17]

Answer:

30 y

Step-by-step explanation:

We need to multiply 5 by 4y and 5 by 2 y

20y + 10y = 30y

6 0
3 years ago
Read 2 more answers
Ann is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices.
ipn [44]

Answer:

Ans: greater than 40 mileage  Company A will charge less than Company B

Step-by-step explanation:

as company A charges a fix amount $93 for any distance and company B charges variable amount starting from $65.there will be a certain mileage after that the amount charged by company B should be greater than company A.

let for greater than m mileage company A will

charge less than company B.

charge for company A for m mileage= $93

charge for company B for m mileage= $65 + $0.70*m

so,

   93  ≤ 65+0.70*m

93-65 ≤ 65+0.70*m -65

  28   ≤ 0.70*m

28*10 ≤ 7 *m

280     ≤ 7m

280/7  ≤ 7m/7

    40  ≤ m

4 0
3 years ago
Read 2 more answers
Factor and solve (please explain)<br> 10p^3-1960p=0<br> Will mark brainliest!!!
Sergeeva-Olga [200]
10p^3=1960p
/10. /10
P^3=196
P=5.8
5 0
3 years ago
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