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BartSMP [9]
3 years ago
15

What is the solution of |5x| = 70?

Mathematics
2 answers:
kondaur [170]3 years ago
7 0

Answer:

x=-14\:or\:x=14

Step-by-step explanation:

The given equation is

|5x|=70

This implies that;

5x=70\:or\:-5x=70

Solve for x to obtain;

x=\frac{70}{5}\:or\:x=\frac{70}{-5}

x=14\:or\:x=-14

jekas [21]3 years ago
5 0

Assignment: \bold{Solve \ \left|5x\right|=70}

<><><><><>

Answer: \boxed{\bold{x=-14\quad or\quad \:x=14}}

<><><><><>

Explanation: \downarrow\downarrow\downarrow

<><><><><>

[ Step One ] Apply Absolute Rule

Note: \bold{Absolute \ Rule \ \mathrm{If}\:|u|\:=\:a,\:a>0\:\mathrm{then}\:u\:=\:a\:\quad \mathrm{or}\quad \:u\:=\:-a}

\bold{5x=-70\quad \mathrm{or}\quad \:5x=70}

\bold{5x=-70: \ x \ = \ -14}

\bold{5x=70: \ x \ = \ 14}

[ Step Two ] Combine Solutions

\bold{x=-14\quad or \quad \:x=14}

<><><><><><><>

\bold{\rightarrow Rhythm \ Bot \leftarrow}

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Show that triangle MPT =Triangle MTP​
exis [7]

Unusual notation.  I won't fuss with it.

a. We have isosceles PRT, so angle  RPT = angle RTP.

By the definition of angle bisector, angle MTP = angle MTF, and angle MPT = angle MPU.

We have m angle RTP = m angle MTF + m angle MTP = 2 m angle MTP

Similarly, m angle RPT = 2 m angle MPT

2 m angle MTP = 2 m angle MPT

angle MPT = angle MPT

That's the first part.

b. That makes MPT isosceles.

c. 2x+124=180

2x = 56

x = 28 degrees

MTP = 28 degrees

d.  We have angle RPT=angle RTP=56 so PRT=180-2(56)=68 degrees

PUT = 180 - UTP - UPT = 180 - 28 - 56 = 96 degrees

Bad drawing, PUT looks acute.

angle PRT = 68 degrees, angle PUT = 96 degrees

3 0
3 years ago
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snow_lady [41]
Do you have to show ur work?
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How many pints are in 15 1/4 gallons?
KengaRu [80]

Answer:

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Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Which statement is true about the value of |-14|​
fomenos

Answer:

14

Step-by-step explanation:

Next time, please share the possible answer choices.

The absolute value of any quantity, whether it be a + or - quantity, is zero or positive.

Thus, |-14| = the absolute value of -14 = +14

4 0
3 years ago
Sarah purchased a set of art supplies for $20.90 and a pair of jeans for $18.95.The sales tax rate in the state is 7%.How much c
mash [69]
Total purchase she did : $20.90+$18.95=$39.85
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