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Aleksandr-060686 [28]

3 years ago

14

Given the numbers x = a and y = –b, which statement is true?

2 answers:

sergey [27]3 years ago

5 0

D. |x| = a and |y| = b , because modulus sign (| |) turns a negative number into positive

Minchanka [31]3 years ago

4 0

choice D is correct, any number inside the absolute value sign is positive so choice A and C is eliminated, if there is a negative sign in front of the absolute value symbol, the number becomes negative which eliminates choice B. The only choice left is choice D

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What is the area, in cm2, of the smallest square that will contain a circle of radius 4 cm?

Georgia [21]

D=2r=2·4=8 cm
A = L² (L=d)
A = 8² = 64 cm²

6 0

3 years ago

9x-8(x-6)=52 what is the answer

Effectus [21]

Answer:

x = 4

Step-by-step explanation:

Step 1: Write equation

9x - 8(x - 6) = 52

Step 2: Solve for <em>x</em>

Distribute -8: 9x - 8x + 48 = 52
Combine like terms: x + 48 = 52
Subtract 48 on both sides: x = 4

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

9(4) - 8(4 - 6) = 52

36 - 8(-2) = 52

36 + 16 = 52

52 = 52

7 0

4 years ago

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nikitadnepr [17]

Answer:

correct

Step-by-step explanation:

6 0

3 years ago

The volume v of a gas kept at constant temperature varies inversely with the pressure p. If the pressure is 24 pounds per square

daser333 [38]

Answer:

$V=12\ ft^{3}$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

In this problem

$P*V=k$

step 1

Find the value of K

For $P=24\ psi ,V=15\ ft^{3}$

substitute

$24*15=k$

$k=360$

the equation is $P*V=360$

step 2

For $P=30\ psi ,V=\ ft^{3}$

substitute in the equation

$(30)*V=360$

$V=360/30=12\ ft^{3}$

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3 years ago

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Vaselesa [24]

Y=mx+b is the equation you want to use

5 0

3 years ago

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