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Amiraneli [1.4K]
2 years ago
7

Evaluate the expression 27 (36)

Mathematics
1 answer:
julia-pushkina [17]2 years ago
5 0

The value of the expression is 972

<h3>How to evaluate the expression?</h3>

The expression is given as:

27(36)


Express 36 as 18 + 18

27(18+ 18)

Expand

486+ 486

Evaluate the sum

972

Hence, the value of the expression is 972

Read more about expressions at:

brainly.com/question/723406

#SPJ1

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6x - 5y = 11<br> y = 7x + 21<br><br> What is the correct answer to this problem?
evablogger [386]

Answer:

X=-4, y=-7

Step-by-step explanation:

6x-5y=11.     1st equation

y=7x+21    2nd equation

6x-5(7x+21)=11. Sub value of y in 2nd equation (7x+22) into 1st equation

6x-35x-105=11. Solve by distributative property

-29x-105=11.   Add x values

-29x=116.         add 105 to both sides

x=-4.                Solve for x

solve for y:

y=7x+21

y=7(-4)+21

y=-28+21

y=-7

check answer by substituting x and y into either equation

6x-5y=11

6(-4)-5(-7)=11

-24+35=11

11=11

3 0
3 years ago
20 pts and brainliest awarded, plz help asap !!!!!!<br><br> see picture
marta [7]

Answer:

B.

Step-by-step explanation:

All you have to do is replace x with (a+2) on the right side.

4 0
3 years ago
Read 2 more answers
What is 2x + 11y when x = 4 and y = 2?<br><br> A. 30<br><br> B. 38<br><br> C. 48<br><br> D. 136
Alla [95]
The correct answer is A
6 0
3 years ago
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76 is 80% of what number?
vfiekz [6]
76 is 80% of 95 and I'll even explain.
80/100 = 76/x from this point you cross multiply which gives you 80x = 76(100) you multiply 76 by 100 and get 7600 so then the equation look like this 80x = 7600 then divide by 80 on both sides and get the answer of x = 95 which is basically your answer I hope this helps :)
8 0
3 years ago
A merchant wants to establish the selling price of an item that costs him $4.50 with a 15% markup. What is his selling price?
OLga [1]

Answer:

the answer it $5.18

Step-by-step explanation:

$4.50 + ($4.50 x .15)

$4.50 + $0.68 = $5.18

4 0
3 years ago
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