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AleksandrR [38]
3 years ago
14

Evaluate the expression 1/3(4+18)-4

Mathematics
2 answers:
postnew [5]3 years ago
8 0

Answer:

\frac{10}{3}

Step-by-step explanation:

Step 1: Simplify 4 + 18 to get 2.

\frac{1}{3} × 22-4

Step 2: Simplify \frac{1}{3} × 22 into \frac{22}{3}

\frac{22}{3}-4

Step 3: Simplify everything and you're done!

\frac{10}{3}

Decimal Form: 3.33

Kobotan [32]3 years ago
4 0

Answer:

3.33 or 3 1/3

Step-by-step explanation:

1/3 = 0.33

1 / 3 x 22 = 22 / 3

22/3 - 4 = 3.33 or 3 1/3

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Which rational number must be added to3\7to get -3\4 ?
VladimirAG [237]
\frac{3}{7}+x=-\frac{3}{4}\\\\\frac{3}{7}(\frac{4}{4})+x=-\frac{3}{4}(\frac{7}{7})\\\\\frac{12}{28}+x=-\frac{21}{28}\\\\x=-\frac{21}{28}-\frac{12}{28}\\\\x=-\frac{33}{28}=1\ \frac{5}{28}
3 0
2 years ago
1 A can in the shape of a cylinder has a diameter of 6 centimeters and a height of 10
Ronch [10]

Answer:

radius r = 3 cm

height h = 10 cm

volume V = 282.743339 cm^3

lateral surface area L = 188.495559 cm^2

top surface area T = 28.2743339 cm^2

base surface area B = 28.2743339 cm^2

total surface area A = 245.044227 cm^2

In Terms of Pi π

volume V = 90 π cm3

lateral surface area L = 60 π cm^2

top surface area T = 9 π cm^2

base surface area B = 9 π cm^2

total surface area A = 78 π cm^2

Step-by-step explanation:

Cylinder Formulas in terms of r and h:

Calculate volume of a cylinder:

V = πr2h

Calculate the lateral surface area of a cylinder (just the curved outside)**:

L = 2πrh

Calculate the top and bottom surface area of a cylinder (2 circles):

T = B = πr2

Total surface area of a closed cylinder is:

A = L + T + B = 2πrh + 2(πr2) = 2πr(h+r)

Agenda: r = radius

h = height

V = volume

L = lateral surface area

T = top surface area

B = base surface area

A = total surface area

π = pi = 3.1415926535898

√ = square root

8 0
3 years ago
Read 2 more answers
BRUH what is 14x(8-10)=6
bogdanovich [222]

Answer:

0.18

Step-by-step explanation:

14x(8-10)=6

Distribute 14x

112x-80x=6

32x=6

6/32=0.18

x=0.18

Hope this helps

........and is right :p

6 0
3 years ago
Kendra was given this system of equations -3x+7y=-15 -2x-7y=5 Kendra's work is shown in the table. Where, if anywhere, did Kendr
Roman55 [17]

Answer:

D

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
John is 6 years older than Keisha. Together, their ages equal four times Keisha's age. How old is each? (Note: There must be an
borishaifa [10]
<span>k= Keisha  
k + 6= John</span> <span>         
k + k + 6 =  4k</span> <span>  
2k + 6 ( - 2k) =  4k ( - 2k)</span> <span>              
6 = 2k</span> <span>           
3 = k    
(Keisha= 3 years old)</span> <span>         
k + 6 = 9    
(John = 9 years old)
</span>
3 + 3 + 6 = 4 (3) <span>         
12 = 12

</span><span>So we made the pawn represent Keisha’s age.  Then we knew that John is 6 years older than Keisha so we represented his age with a pawn plus 6. This went on 1 side of the equation because it said that together they equal 4 times Keisha’s age. So on the other side of the equation we put 4 pawns because we are using each pawn as Keisha’s age.  Then we subtracted the pawns from each side to keep the equation balanced.  So we had that 2 pawns equal 6, which means that each pawn equals 3 so Keisha is 3 years old.  Since John is 6 years older than Keisha, he must be 9 years old.  We checked our work and substituted 6 in for each pawn and found that 12 equals 12, so our equation is balanced.
</span>
Hope this helps :)

4 0
2 years ago
Read 2 more answers
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