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kifflom [539]
2 years ago
15

A solid box with height 20cm, width 10cm and length 80cm needs to be painted.

Mathematics
1 answer:
julia-pushkina [17]2 years ago
8 0

Answer: is 832cm

Step-by-step explanation:

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What is the measure of x? Please help!
Zepler [3.9K]

Answer:

x =√[y²+(27)²] = √[ z² - 3² +(27)²]

Step-by-step explanation:

step 1) x=√[y²+(27)²]

step 2)

We find y

z²=y²+3² → y² = z² - 3²

step 3) x = √[ z² - 3² +(27)²]

7 0
2 years ago
Considering the sign up fee and monthly membership fee for a gym the equation c=30m+25 can be used to represent the total cost o
Naddik [55]

Answer:

$25

Step-by-step explanation:

Cost  = 30 x months  +  25

Every month you will pay 30$

At 0 months when  you sign up  substitute m=0

Cost  = 30x 0  +25 =  0  +25 =25

7 0
2 years ago
What is the solution to this system?
Elza [17]

Answer:

Equation Form: x=−2,y=−2

Step-by-step explanation:

Eliminate the equal sides of each equation and combine.

3/2x+1=−x−4

Solve 3/2x+1=−x−4

for x. x=−2

Evaluate y when x=−2.

y=−2

The solution to the system is the complete set of ordered pairs that are valid solutions.

(−2,−2)

The result can be shown in multiple forms.

Point Form:

(−2,−2)

Equation Form:

x=−2,y=−2

7 0
3 years ago
The diameter of the circular base of a spot is 6 inches what is the closet approximation of the area base
AlladinOne [14]

Answer:

A≈28.26 in^2

Step-by-step explanation:

We know the diameter is 6

We can find the radius

r = d/2

r =6/2 =3 inches

The area of a circle is given by

A = pi *r^2

A = pi*3^2

A = pi*9

We will use 3.14 to approximate pi

A ≅(3.14) *9

A≈28.26 in^2

4 0
3 years ago
What is (x-2)-(x-5)? Plz I will mark u brainliest.
Olenka [21]

Answer: 3

This is the simplified way

7 0
3 years ago
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