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3 years ago

5

Plz help me with this question

2 answers:

Contact [7]3 years ago

7 0

Answer: KJ becuase it is the first two like on but put backwards.

Lina20 [59]3 years ago

7 0

The correct answer is KJ

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When you calculate the number of permutations of n distinct objects taken r at a time, what are you counting?.

expeople1 [14]

Answer:

The number of ordered arrangements of n objects taken r at a time.

Step-by-step explanation:

8 0

2 years ago

the depth D, in inches, od wsnow in my yard t hours after it started snowing this morning is given by D=1.5t + 4. if the depth o

Blababa [14]

Answer:

8.5 inches

Step-by-step explanation:

First let's find the time t when the depth of the snow is 7 inches.

To do this, we just need to use the value of D = 7 then find the value of t:

$7 = 1.5t + 4$

$1.5t = 3$

$t = 2\ hours$

We want to find the depth of snow one hour from now, so we just need to use the value of t = 3 to calculate D:

$D = 1.5*3 + 4$

$D = 4.5 + 4 = 8.5\ inches$

The depth of snow one hour from now will be 8.5 inches.

7 0

3 years ago

Reil [10]

<u>Answer:</u>

x = 5.00 cm

<u>Step-by-step explanation:</u>

• area of the rectangle = $x$ x $(x + 1)$

= $x^2 + x$

• area of the circle = π r²

= $\frac{22}{7}$ x $(x + 2)^2$

= $\frac{22}{7}$ x $(x^2 + 4x + 4)$

∴ $x^2 + x$ + $\frac{22}{7}$ x $(x^2 + 4x + 4) = 184$

⇒ $x^2 + x$ + $\frac{22}{7} x^2 \space\ + \space\ \frac{88}{7} x \space\ + \space\ \frac{88}{7} = 184$

⇒ $\frac{29}{7}x^2 \space\ + \space\ \frac{95}{7}x \space\ - \frac{1200}{7} = 0$

• Using quadratic formula, where

a = $\frac{29}{7}$

b = $\frac{95}{7}$

c = $\frac{-1200}{7}$ ,

$x=\frac{-b \pm \sqrt{b^2-4c}}{2}$

$x = \frac{-\frac{95}{7}\pm \sqrt{(\frac{95}{7})^2 - 4(\frac{29}{7})(\frac{-1200}{7} ) } }{2(\frac{29}{7})}$

$x = 5.00 \space\ \space\ \space\ or \space\ \space\ \space\ x = -8.28$

As length (x) cannot be a negative number,

x = 5.00 cm

7 0

2 years ago

Who is taking in more calories if the small bags of Snickers are the exact same size: A person in a group where 5 people are sha

alukav5142 [94]

Answer:

7 people sharing 2 bags

Step-by-step explanation:

7/2<5/3

6 0

3 years ago

-4x<img src="https://tex.z-dn.net/?f=-4x%20%5Cleq%20-12" id="TexFormula1" title="-4x \leq -12" alt="-4x \leq -12" align="absmidd

photoshop1234 [79]

Step 1: Simplify both sides of the inequality
<span>Step 2: Divide both sides by -8.</span>
x ≥<span>‌<span> 3/2</span></span>

7 0

3 years ago