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lianna [129]
3 years ago
7

How do you do this problem 78 + (72÷9) -3

Mathematics
1 answer:
Alex73 [517]3 years ago
7 0

Answer:

83

Step-by-step explanation:

78+ (72÷9) -3

72÷9=8

78+8=86

86-3=83

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What is the surface area of a cube that is 2 inches wide, 8 inches long, and 10 inches tall
natita [175]

Answer:

160 square feet

Step-by-step explanation:

you would do 2*8*10 to get 160 which would be your square surface area

4 0
3 years ago
5c + cd when c 1/5 and d = 15
vichka [17]
<span>5c + cd
=</span><span>5(1/5) + (1/5)(15)
= 1 + 3
= 4</span>
5 0
3 years ago
Read 2 more answers
Determine the equatiln of the graph and select the correct answer below. <br><br>​
olga_2 [115]

Answer:

C

Step-by-step explanation:

okay, this is actually pretty easy because it just works with simple translations.

(x+a)^2 + b

if a is positive, the graph shifts left

if a is negative, the graph shifts right

if b is positive, the graph shifts up

if b is negative, the graph shifts down

so since the quadratic, is starts at the origin and is shift 3 to the left, and 2 up:

the equation is

(x+3)^2 + 2

7 0
3 years ago
Am I correct? (Perfect Square Form)
natka813 [3]

Answer:

(x -3 )^2 = 10

Step-by-step explanation:

Given

x^2 - 6x - 1 = 0

Required: Express as a perfect square

x^2 - 6x - 1 = 0

Add 10 to both sides

x^2 - 6x - 1 +10= 0+10

x^2 - 6x +9= 10

Expand

x^2 - 3x  - 3x+9= 10

Factorize:

x(x - 3) - 3(x  - 3)= 10

Factorize:

(x -3 )(x - 3) = 10

(x -3 )^2 = 10

8 0
3 years ago
HELP WILL NAME BRAINLIEST
bezimeni [28]
First, you must find the width of GHJK. Since the area of it is 84m², divide 84 by 7.
84÷7=12
So the width of GHJK is 12m.
Next, find the scale of GHJK to LMNP. Since the height of both are already available, you can divide 21÷7 to get 3
This means that to get the width of LMNP you must multiply the width of GHJK by 3.
12×3=36.
Now, to get the area of LMNP, multiply 21 by 36.

21×36=756

So, the area of LMNP is 756m². (Don't forget the units!>
5 0
2 years ago
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