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mars1129 [50]
3 years ago
7

Which expression is equal to p + (q + r)

Mathematics
1 answer:
lana66690 [7]3 years ago
8 0

Answer:

the answer for me would be (p+q)+r

here is why I think so

q +pr ( the pr close-by together in maths means multiple so that's out) same goes for C and A it has a negative so that's not equal.

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6n+n+14=0 i need the math
Fofino [41]
Let's solve your equation step-by-step.<span><span><span><span>6n</span>+n</span>+14</span>=0</span>

Step 1: Simplify both sides of the equation.<span><span><span><span>6n</span>+n</span>+14</span>=0</span><span>Simplify: (Show steps)</span><span><span><span>7n</span>+14</span>=0</span>

Step 2: Subtract 14 from both sides.<span><span><span><span>7n</span>+14</span>−14</span>=<span>0−14</span></span><span><span>7n</span>=<span>−14</span></span>

Step 3: Divide both sides by 7.<span><span><span>7n</span>7</span>=<span><span>−14</span>7</span></span><span>n=<span>−2</span></span>

Answer:<span>n=<span>−<span>2</span></span></span>
6 0
3 years ago
PLEASE HELP ASAP this is for Distribution Area Model (Algebraic) :(
gayaneshka [121]
I believe that answer is 54
8 0
3 years ago
8 less than 2 times a number is greater than the sum of the same number and 9
lyudmila [28]

step-by-step explanation:

every time we see "a number" or "the same number," we can add a variable (we'll use x here).  rewriting the problem, we get: 8 less than 2 times x is gr8er than the sum of  x and 9.  

next, we can work backwards to write an inequality.  we know from the word problem above that the number on the left side of the equation is 8 less than 2x, so we can rewrite that part like this: 2x-8.

for the right side of the equation, all we have to do is simplify "the sum of x and 9" to x + 9.  so now the inequality should look like this: 2x - 8 > x + 9.  

now we'll solve the inequality just like an equation: subtract x from both sides of the inequality, so now we have: x - 8 > 9.

then, we can add 8 to both sides to get the x by itself, and we get the answer: x > 15

hope this helps! <em>:)</em>

4 0
3 years ago
The selling price is $750. The rate of the sales tax is 5%. How much is the sales tax?
ElenaW [278]

Answer:

37.5

Step-by-step explanation:

Selling price= 750

Sales tax= 5%

5/100 because we are looking for 5% ot of 100%

750*0.05

5 0
3 years ago
If n(X)=200,x)=300 and n(XUY)=400<br><br>then<br><br>Find the value of n (B)<br><br>Step by step
IgorLugansk [536]
I’m sorry I’m late but you multiply that n(x)=200 by x=300 and n(xuy)=400
4 0
3 years ago
Read 2 more answers
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