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3 years ago

In an equation or inequality, you want to get the variable.

1 answer:

7 0

What you want to do is get the variable x on the left side by itself (just like you would if this were an equation). Be sure to perform the same operations on both sides of the inequality until x is all by itself on the left side.

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If the diameter of a circle is 20mm, what is the area of the circle?

Vsevolod [243]

Answer:

314.16 sq mm

Step-by-step explanation:

formula for area of a circle = pi(r^2)

if the diameter is 20mm then the radius is 10 mm

When you plug in pi(10mm^2) you get 314.16 sq mm

3 0

4 years ago

Maddie has saved $375 for a new mountain bike. Her grandmother will also give her

Artist 52 [7]

Answer:

375+215 is greater than or equal to p

Step-by-step explanation:

quick maths

8 0

3 years ago

How do you read this expression 8(8x+7) and 8(3x)+8(7)

Misha Larkins [42]

Answer:

64x+56 & 24x+56

Step-by-step explanation:

I hope this is what you mean because this is not an equation as it is not set equal to anything.

Both problems solved by distributive property -

8*8x + (8*7) = 64x+56

8*3x + (8*7) = 24x+56

4 0

3 years ago

What is the measure of AC ?<br> Enter your answer in the box.

elena55 [62]

Answer:

can anyone explain step by step how to fiquire this out please .. sons teacher isnt helping

Step-by-step explanation:

6 0

3 years ago

Please any help is necessary

Ugo [173]

Answer:

Option D. 50 ft

Step-by-step explanation:

we know that

The area of the figure is equal to the area of three rectangles

$A=18x+(48-36)(32-11)+(18)(32)$

$A=18x+(12)(21)+(18)(32)\\A=18x+828$

Remember that the area is given

$A= 1,728\ ft^2$

$18x+828=1,728$

solve for x

$18x=1,728-828\\18x=900\\x=50\ ft$

3 0

3 years ago