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Gnom [1K]
2 years ago
10

PLS NEED HELP! 40 point reward if correct. with brainiest!

Mathematics
2 answers:
MA_775_DIABLO [31]2 years ago
8 0

Answer:

Number 1 could be -x.

I don't know the answer to number 2.

Number 3 is the same as 1.

Step-by-step explanation:

sorry. i probably would know the answer if i remembered.

denis23 [38]2 years ago
6 0

Answer:

for X

Step-by-step explanation:

I dont really know sorry

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What is the value of 3 +y / 4, when y = 16
kow [346]

\huge \boxed{7}

Our expression is 3 + y \div 4.

Substitute in y = 16. 3 + 16 \div 4

Follow the order of operations. Divide first. 3 + 4

Add. \displaystyle \boxed{7}

3 0
3 years ago
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In a certain city, 30% of the families have a MasterCard, 20% have an American Express card, and 25% have a Visa card. Eight per
Arlecino [84]

Answer:

d :)

Step-by-step explanation:

6 0
3 years ago
A clinical trial is being ran to see if a new headache medication offers relief for more than 80% of patients. It is found there
ryzh [129]

Answer:

Hence there is a strong probability the true proportion of patients who get relief from headaches while on this medication is greater than 80%.

Step-by-step explanation:

The required truth is " there's strong evidence this medication reached its the goal of quite 80% of patients getting relief. " Because we wanted to check whether the new medication offers relief for quite 80% of patients or not.

7 0
3 years ago
It costs $2.50 to rent bowling shoes. Each game costs $2.25. You have $9.25. Write and solve an equation to find how many games
Nesterboy [21]
Hi there!

So, 2.25x would represet the total amount of money spent for all the games.

2.25x + 2.50 = 9.25 would be the equation to represent this scenario.

Now to solve: Our goal is the get x alone. Subtract 2.50 (the price of the shoes) from both sides. 9.25 - 2.50 = 6.75.

We are now left with 2.25x = 6.75.

Finally, we divide both sides of the equation by 2.25, which leaves us with x = 3.

So you can bowl for a total of 3 games.

I hope I helped!
5 0
4 years ago
Please, I need help I'm way behind.
gregori [183]

Answer:

\frac{18√2}{√3}

Step-by-step explanation:

  1. The lengths of the sides of a 30-60-90 triangle are in the ratio 1:2:√3.
  2. The lengths of the sides of a 45-45-90 triangle are in the ratio 1 : 1 : √2
  3. We can get the length of the longest side of the bottom triangle is 9×2÷√3 = \frac{18}{√3}
  4. And based on the theory shown on the 2nd step, we can get x (the length of the longest side of the upper triangle) is \frac{18}{√3}x√2  
3 0
4 years ago
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