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11111nata11111 [884]
3 years ago
11

Which operation should be performed first according to the order of operations? 21 – 5 + 24 ÷ 3 + 90 • 4 A. 21 – 5 B. 5 + 24 C.

24 ÷ 3 D. 90 • 4
Mathematics
2 answers:
kondaur [170]3 years ago
6 0
According to order of operations C. 24/3
Free_Kalibri [48]3 years ago
3 0
According to Order of operation, we perform: Divide then multiplication then subtraction, then sum.

In short, Your Answer would be Option C) 24 / 3

Hope this helps!
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The area of a rectangle is 72 cm square. The length of the rectangle is 6 cm longer than the width. What is the width of the rec
miskamm [114]

The correct option will be :  B) 6 cm.

<u><em>Explanation</em></u>

Suppose, the width of the rectangle is x cm.

As, the length is 6 cm longer than the width, so the length will be: (x+6) cm.

<u>Formula for the Area of rectangle</u> is: (Length)*(Width)

Given that, the area of a rectangle is 72 cm²

So....

x(x+6)=72\\ \\ x^2+6x-72=0\\ \\ (x+12)(x-6)=0

Using zero-product property, we will get...

x+12=0\\ x= -12 <em>(Negative value is ignored as width can't be negative)</em>

and

x-6=0\\ x=6

So, the width of the rectangle is 6 cm.

6 0
3 years ago
(x^-6)^4<br> Someone please help me :)
Anastasy [175]
The answer I came up with was ×^6-4. Just rewrite it. I hope this was helpful.
3 0
3 years ago
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LenaWriter [7]

Step-by-step explanation:

D meter stick

6 0
3 years ago
Simplify: ^4square root 400/ ^4square root 5 show your work
Rainbow [258]
⁴√400 / ⁴√5 = 400^¼ / 5^¼
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7 0
3 years ago
The graph shows the solution to a system of inequalities:
tangare [24]

Answer:

Option A. 4x+3y\leq 12 and x\geq 0

Step-by-step explanation:

we know that

The solution of the first inequality is the shaded area below the solid line 4x+3y=12

The solid line passes through the points (0,4) and (3,0) (the y and x intercepts)

therefore

The first inequality is

4x+3y\leq 12

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therefore

The second inequality is

x\geq 0

7 0
3 years ago
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