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3 years ago

What is the solution to this equation?

Mathematics

2 answers:

wlad13 [49]3 years ago

8 0

Answer:

$\huge{ \fbox{ \sf{x = 21}}}$

Option C is correct.

Step-by-step explanation:

$\underline{ \underline{ \mathfrak{Let's \: solve}}} :$

$\bigstar{ \sf{ \: \: x - 4 = 17}}$

$\text{Step \: 1} : \sf{Move \: 4 \: to \: right \: hand \: side \: and \: change \: its \: sign}$

$\longrightarrow{ \sf{x = 17 + 4}}$

$\text{Step \: 2} : \sf{Add \: the \: numbers}$

$\longrightarrow{ \sf{x = 21}}$

The value of x is 21

Hope I helped!

Best regards! :D

~ $\text{TheAnimeGirl}$

ycow [4]3 years ago

3 0

Answer:

D. x = 21

Step-by-step explanation:

x - 4= 17

Step 1: Add 4 to both sides

x - 4= 17

x = 21

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W is the midpoint of VX and Z is the midpoint of VY . If XY=p and WZ=p–30, what is WZ?

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$\large{ \tt{❃ \: EXPLANATION}} :$

You'll have to know : Mid-point theorem states that A straight line segment joining the mid-points of any two triangle is parallel to the third side and it is equal to half of the length of the third side.

We're provided : XY = p , WZ = p - 30 & we're asked to find out the value of WZ. For that , firstly we have to find out the value of p.

$\large{ \tt{❁ \: LET'S \: START }: }$

Set up an equation & solve for p :

$\large{ \bf{☄ \: p - 30 = \frac{1}{2} p }}$

$\large{ \tt{↦ \frac{1}{2} p = p - 30}}$

$\large{ \tt{↦ \frac{1}{2} p - p = - 30}}$

$\large{ \tt{↦ \frac{p - 2p}{2} = - 30 }}$

$\large{ \tt{↦p - 2p = - 60}}$

$\large{ \tt{ ↦ \: - p = - 60}}$

$\large{ \tt{↦p = 60}}$

The value of p is 60

$\large{ \tt{❇ \: REPLACING \: VALUE}} :$

$\large{ \tt{↬ \: wz = p - 30 = 60 - 30 = \boxed{\boxed{ \tt{30 }} }✔}}$

Hence , WZ = 30 .

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3 years ago

NEED HELPPP, ALL MY POINTS

fgiga [73]

Answer:

see step by step

Step-by-step explanation:

sqrt 49

sqrt 64

sqrt 81

sqrt 100

perfect squares are always rational numbers because when solving any of these square roots they make whole numbers.

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