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Elza [17]
3 years ago
6

After substituting, what is the first operation performed when evaluating 5+(9x-3) - 2 for %=5?

Mathematics
1 answer:
algol133 years ago
7 0

Answer:

Multiplication.

Step-by-step explanation:

Given:

5+(9x-3)-2

Also x=5

Solution:

It has been given that value of x is 5.

So if we substitute the value of x in given equation the we get;

5+(9\times 5 - 3)-2

Now by PEDMAS, The first operation perform will be the terms in parenthesis and in that too the first will be multiplication.

so we get;

5+(45-3)-2

Now again Solving the terms in parenthesis we get;

5+42-2

Now the next operation will be addition then we get;

47 -2

And finally performing subtraction we get;

45

Hence The first operation performed in given equation is multiplication.

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the temperature of an oven went through 330 degrees to 390 degrees what is the percentage increase in temperature
valentina_108 [34]
All you do is divide. 
330/390= 0.846
round it: 0.85 
Answer is about 85%
5 0
4 years ago
Evaluate each expression using the values m = 7, r = 8, and t = 2.
user100 [1]

So I'll walk through the first 2. Then please try the other ones and let me know if you run into more problems.

5m-6

If m is equal to 7, then replace m with 7.

5(7)-6

5x7=35 so the expression is now 35-6. Solve.

35-6=29

So that was the first one.

4m+t

We just do what we do with the first problem.

4(7)+(2)

4x7=28 so the expression is 28+2.

28+2=28

---

hope it helps

p.s. When there is subtraction, add. When there is division, multiply to cancel that out. When there is multiplication, divide to cancel. etc.

6 0
3 years ago
Read 2 more answers
Solve using ELIMINATION (with step by step explanation) Please<br><br> 3x+y=-9<br> y=5x+7
Yuki888 [10]

Answer:

<h2>x = -2 (verified by algebra) ✅</h2>

Step-by-step explanation:

Since we are given the value of y, we can replace it with 5x + 7.

We now have: 3x + 5x + 7 = -9

We can now simplify by adding 3x and 5x to get 8x.

8x + 7 = -9

We can subtract 7

8x = -16

And now, we divide by 8

x = -2

We can check to make sure we are correct

3(-2) + 5 (-2) + 7 = -9

-6 + -10 + 7 = -9

-9 = -9 ✅

7 0
3 years ago
Use the formula to find the area use 3.14 for pie the circle is 15 cm
alexandr402 [8]
Hey there!

A= \pi r^2

By using this formula, we plug it in.

Your correct answer would be . . .

A  ≈ \boxed{\boxed{706.86}}

Hope this helps.
~Jurgen
5 0
3 years ago
If 4 apples have a mass of 1 kg,about how many grams is each apple
vfiekz [6]
1kg = 1000g
4 apples = 1000g
1 apple = 1000/4
1 apple = 250g
8 0
4 years ago
Read 2 more answers
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