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Lubov Fominskaja [6]
3 years ago
13

In the expression (44 ÷ 4 + 10) - 20 , with which operation should we start?

Mathematics
2 answers:
Luden [163]3 years ago
4 0
You have to do whats in the parentheses from left to right then subtract the answer you get by 20



(9x10) - (30+30)
90 - 60 = 30



8 x (12+5) -7^2
17
17-49
18 x -32

= -576.



You have to use pemdas for your check off
P=parentheses
E=exponet
M=multiplication
D=division
A=add
S=subtrabt

HOPE IM CORRECT
SVETLANKA909090 [29]3 years ago
3 0

Answer:

1

Step-by-step explanation:

44 divide by 4 is 11 plus 10 is 21 -20 is 1

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Find the unit price for a 9 oz bottle of ketchup for 88cents. round answers to the nearest tenth of a cent. ________ cents per o
olga55 [171]

Answer:

0.1 cents per ounce

Step-by-step explanation:

You know that you paid 88 cents for the whole bottle of ketchup and the whole body contains 9oz of ketchup. Every one ounce is equal to 9.8 cents. You simply need to divide the total amount of the item by the weight (9 ounces) to get 0.09 or 0.1 when rounded.

\frac{88 cents}{9oz}=0.1 cents per ounce

4 0
2 years ago
I think it is A, but I am not very sure.
kati45 [8]
Yes u are correct. that three over the square root sign is a cubed sign. that is the opposite of something to the third power. so by cubing 8 u could see if it equals to p. because p cubed is 8.
5 0
3 years ago
Read 2 more answers
What is the area of a semicircle with a diameter of 10 cm?
Irina18 [472]

Answer:

<h2>39.27 cm²</h2><h2 />

Step-by-step explanation:

area of semi circle = π r² / 2

where r = 10/2 = 5 cm

area = π (5)² / 2

        = 39.27 cm²

7 0
3 years ago
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WILl GIVE BRAINLIEST IF YOU SHOW THE STEPS!!!
True [87]

Answer:

\frac{9x}{y^3}

Step-by-step explanation:

\frac{\left(3x^2y^4\right)^3}{3x^5y^{15}}

(3x^2y^4)^3 : 3^3x^6y^1^2

= \frac{3^3x^6y^{12}}{3x^5y^{15}}

\frac{3^{3} }{2} = 3^{2}

= \frac{3^2x^6y^{12}}{x^5y^{15}}

= \frac{x^{6} }{x^{5} } : x

= \frac{3^2xy^{12}}{y^{15}}

=  \frac{y^{12} }{y^{15} } : \frac{1}{3{y} }

= \frac{3^2x}{y^3}

3^2=9

= \frac{9x}{y^3}

7 0
3 years ago
The area of a regular hexagon is 55 in^2. Find the length of a side. Round your answer to the nearest tenth. I know the answer i
True [87]
Polygon area = n*side length^2 / [4*tan(180/n)]
side length^2 = polygon area * [4*tan(180/n)] / n
where n is the number of sides
side length^2 = 55 sq inches * (4*tan(180/6)) / 6
side length^2 = 55 sq inches * 4 * tan (30) / 6
side length^2 = (55 sq inches * 4 * 0.57735) / 6
side length^2 = <span> <span> <span> 127.017 </span> </span> </span> / 6
side length^2 = <span> <span> <span> 21.1695 </span> </span> </span>
side length = square root ( <span> <span> <span> 21.1695 </span> </span> </span> )
side length = <span> <span> <span> 4.6010324928 </span> </span> </span>


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3 years ago
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