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3 years ago

What is the length of line segment AB?

Mathematics

2 answers:

-Dominant- [34]3 years ago

7 0

Your answer to this question is B) 8 Units. For you to be able to do it in the future (for like tests) count from after a point to the end point. In this one start from -4 to point B and you will get 8 units.

NemiM [27]3 years ago

5 0

The answer should be B) 8 units

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Allison needs 18 liters of 5% saline solution . She has a 1% solution available. How many liters of the 1% solution and how many

professor190 [17]

Answer:

10 litres of 1% solution and 8 litres of 10% solution

Step-by-step explanation:

Let vol of 1% solution = x

So vol of 10% solution = 18 - x

5% of 18 litres = 0.9

Equation formed is

x + (18 - x)10 = 0.9 * 100

x + 180 - 10x = 90

-9x = 90 - 180

-9x = -90

x = 10 litres

<h3>10 litres of 1% solution and 8 litres of 10%</h3>

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4 years ago

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3 years ago

Find the number of permutation of all the letters of the word "MULTIPLY".

olga_2 [115]

Answer:

The answer is 40 320 ways.

Step-by-step explanation:

In permutation, object cannot be reuse and order matters.

So for this question, MULTIPLY can be arranged in many forms :

8P8 = 40 320

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4 years ago

A car dealership decides to select a month at random for its annual sale find the probability that it will be July or October

yawa3891 [41]

Answer:

Step-by-step explanation:

there are 12 posible months in a year and 2 months ( July and October )when the sale might happen.

P= 2/12 = 1/6

3 0

3 years ago

Let $M$, $N$, and $P$ be the midpoints of sides $\overline{TU}$, $\overline{US}$, and $\overline{ST}$ of triangle $STU$, respect

AysviL [449]

Answer:

<NPM + <NZM = 146°

Step-by-step explanation:

Given:

In triangle STU: M, N and P are the midpoints of the line TU, US and ST respectively.

Line UZ is the altitude of the triangle STU

<TSU =71°, <TSU = 36°, <TUS = 73°

From the diagram:

N is the midpoint of line SU and M is the mid point of line UT.

∴ Line NM is parallel to line ST

P is the mid point of line ST and M is the mid point of line UT

∴Line PM is parallel to line SU

N is the mid point of line SU and P is the mid point of line ST

∴Line NP is parallel to line UT

Δ SPN = Δ STU = 36°

<SPN + <NPM + <MPT (Sum of angles in a triangle = 180°)

<UST = <MPT = 71°

36° + <NPM + 71° = 180°

<NPM + 107° = 180°

<NPM= 180°-107°

<NPM= 73°

In ΔSNZ, line SN = line NZ

∴ side SN = side NZ

< NSZ = <NZS = 71°

<MTZ = <MZT = 36°

<NZS + <NZM <MZT = 180° (Sum of angles in a triangle = 180°)

71° + <NZM + 36° = 180°

107° + <NZM = 180°

<NZM = 180° - 107°

<NZM = 73°

<NPM + <NZM =73° + 73°

<NPM + <NZM = 146°

5 0

3 years ago