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3 years ago

Hi! Answer this please!

Mathematics

2 answers:

Rudiy273 years ago

4 0

The answer would be b

Tomtit [17]3 years ago

3 0

The answer I think it would be is B.

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Percent of change from 125 to 75

grandymaker [24]

I think it would be 50% let’s hope

3 0

3 years ago

a 24 foot tall streetlight casts a shadow that is 18 feet long. how long of a shadow is cast by a nearby parking meter post that

Elanso [62]

9514 1404 393

Answer:

3 ft

Step-by-step explanation:

The post is 4/24 = 1/6 as tall as the streetlight, so we expect its shadow to be 1/6 as long as that of the streetlight:

(1/6)(18 ft) = 3 ft

The parking meter post shadow is 3 feet long.

3 0

3 years ago

Find the value of the variable and YZ if Y is between X and Z. <br><br> XY=4n+3, YZ=2n-7,XZ=22

ruslelena [56]

Answer:

$\large \boxed{n = \dfrac{13}{3}; YZ = \dfrac{5}{3}}}$

Step-by-step explanation:

I think you have the situation shown in the diagram below.

1. Calculate the value of n

$\begin{array}{rcl}XY + YZ & = & XZ\\4n+ 3 + 2n - 7 & = & 22\\6n - 4 & = & 22\\6n & = & 26\\n & = & \dfrac{26}{6}\\\\& = & \mathbf{\dfrac{13}{3}}\\\end{array}\\\large \boxed{\mathbf{n = \dfrac{13}{3}}}$

2. Calculate the value of YZ

$\begin{array}{rcl}YZ & = & 2n - 7\\& = & 2\left (\dfrac{13}{3}\right ) - 7 \\\\& = & \dfrac{26}{3} - 7\\\\& = & \dfrac{26}{3} - \dfrac{21}{3}\\\\& = & \dfrac{5}{3} \\\\\end{array}\\\large \boxed{YZ = \mathbf{ \dfrac{5}{3}}}$

7 0

3 years ago

What is -6+x-3 if x=2

kow [346]

Answer:

Step-by-step explanation:

$-6+x-3 \\x =2\\\\-6+2-3\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:\:\\-6+2=-4\\\\=-4-3\\\\=-7$

6 0

4 years ago

Read 2 more answers

A 17 ft ladder leans against the side of a house. The top of the ladder is 14ft off the ground. Find x, the angle of elevation o

Svetlanka [38]

Answer:

.82 or 80 degrees rounded

Step-by-step explanation:

you can use SOH-CAH-TOA meaning sin = opposite/hypotenuse, so 14/17 = .82.

4 0

3 years ago