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Zinaida [17]
2 years ago
14

4w + 13 = 81 | simplify your answer as much as possible

Mathematics
2 answers:
DochEvi [55]2 years ago
8 0

Answer:

w = 17

Step-by-step explanation:

Isolate the variable, w. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.
PEMDAS is the order of operations, and stands for:

Parenthesis

Exponents (& Roots)

Multiplications

Divisions

Additions

Subtractions

~

First, subtract 13 from both sides of the equation:

4w + 13 (-13) = 81 (-13)

4w = 81 - 13

4w = 68

Next, divide 4 from both sides of the equation:

(4w)/4 = (68)/4

w = 68/4

w = 17

w = 17 is your answer.

~

Aleks [24]2 years ago
7 0

Answer:

w=19.5

Step-by-step explanation:

4w+13=81

4w=81-13

4w=68

w=68÷4

w=17

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Please show your work
White raven [17]

Let a,b & c be the number of cookies Adrian, Bobby and Calvin baked respectively.

(a+b+c)/3 =138

(a+b)/2 =136

a+b=272

a=272-b

(b+c)/2 =125

b+c=250

c=250-b

Sub a=272-b and c=250-b into (a+b+c)/3 =138,

(a+b+c)/3 =138

[(272-b)+b+(250-b)]/3 = 138

272-b+b+250-b = 414

-b = -108

b=108

From the above,

a=272-b

=272-108

a=164

c=250-b

=250-108

c=142

∵ a=164

b=108

c=142

∴ Adrian baked 164 cookies.

Bobby baked 108 cookies.

Calvin baked 142 cookies.

3 0
3 years ago
Write 9×9×9×9 in standard form
Serhud [2]

It will be 9^4.

hope that helps

8 0
3 years ago
Kaitlin needs 254 programs for the school play on Thursday. How many boxes of programs will she need, given that each box contai
Andrei [34K]

Answer:

8 382 ?

Step-by-step explanation:

254 × 33 = 8 382

correct me if im wrong thanks keep in learnings

5 0
3 years ago
Chad is paying for his groceries with a $100 bill. The amount of change he receives depends upon the cost of his groceries. What
Thepotemich [5.8K]
A, since y is the change he will get, it will obviously be less than 100.
4 0
3 years ago
PLEASE HELP WILL MARK BRAINLIEST Determine the value of h. Round your answer to the nearest hundredth if necessary.
jarptica [38.1K]

Answer:

<h2><u>Answer</u><u> </u><u>:</u><u>-</u></h2>

Here,

At first we know that parallel line cut transversal lines. They make them in a proportion.

h/10 = 9/13

h = 10 × 9/13

h = 90/13

h = 6.92

\\

5 0
3 years ago
Read 2 more answers
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