Use the distributive property to write the expression in expanded form. -9(n+6)

Mathematics

1 answer:

docker41 [41]2 years ago

5 0

Answer to the expression : -9n - 54

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A car traveling at a certain speed will travel 76 feet per second. How many miles will the car travel in 3.1 hours if it maintai

liubo4ka [24]

Keeping in mind that, there are 5280 feet in 1 mile, and 60 minutes in an hour and 60 seconds in each minute, thus 60*60 seconds in an hour, or 3600 seconds.

$\bf \cfrac{76~\underline{feet}}{\underline{sec}}\cdot \cfrac{mile}{5280~\underline{feet}}\cdot \cfrac{3600~\underline{sec}}{hr}\implies \cfrac{76\cdot 3600~mile}{5280~hr}
\\\\\\
\cfrac{570~mile}{11~hr}\approx 51.\overline{81}\frac{mile}{hr}\\\\
-------------------------------\\\\
\textit{how many miles does it do in 3.1hrs?}\quad \cfrac{570}{11}\cdot 3.1$

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2 years ago

PLEASE HELP

sukhopar [10]

Answer:

Step-by-step explanation:

14x - 3x + 11 = -22

-11 -11

14x - 3x = -33

11x = -33

/11 /11

x = -3

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2 years ago

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Solve the equation for y. 12 13 y + 12 = 1/3 - 20 -32 -80 -320 320

Arisa [49]

Answer:

Step-by-step explanation:

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2 years ago

How do you solve this 2 step equation: n+5/-16=-1

Sophie [7]

N+5/-16=-1
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2 years ago

Find the measure of ∠C if ∠A = 3 2 x + 20 ∠B = 7 2 x + 20 ∠C = 5 2 x + 40 ∠D = 3 2 x + 10 A) 65° B) 76° C) 95° D) 115°

Rudiy27

The sum of the angles of a quadrilateral is 360°.
$\left(\dfrac{3}{2}x+20\right)+\left(\dfrac{7}{2}x+20\right)+\left(\dfrac{5}{2}x+40\right)+\left(\dfrac{3}{2}x+10\right)=360\\\\9x+90=360\\\\x=\dfrac{270}{9}=30$

Given that x=30, the measure of ∠C is
∠C = (5/2)×30 +40 = 115

The appropriate choice is ...
D) 115°

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2 years ago

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