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Andre45 [30]
2 years ago
15

Write algebraic expressions

Mathematics
1 answer:
aniked [119]2 years ago
7 0

Answer:

Shea:   1.5x

James:  9.5x + 4.5y

Patricia:    \dfrac13a

Linda:   w - 9

Nicole:   r - 3

Step-by-step explanation:

Shea:   1.5x

James:  9.5x + 4.5y

Patricia:    \dfrac13a

Linda:   w - 9

Nicole:   r - 3

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Solve the system of equation <br> y=4x-3<br> Y=-2x+9
Anna [14]
Y=4x-3=1
Y=-2x+9=11 that’s the answer
5 0
2 years ago
Help me solve please
Lisa [10]

Answer:

degree measure of arc AB = 120°

length of arc AB = 40π/3 in.

Step-by-step explanation:

arc AB has the same measure as its central angle.  So, arc AB = 120°

120 is 1/3 of 360, Therefore, the length of arc AB is 1/3 of the circumference.

Therefore, the

length of arc AB = 1/3πd =  1/3π(40) =  

                            = 40π/3 in.

5 0
3 years ago
Please respond to this. I need help​
Citrus2011 [14]

Answer:  15 should be the answer hope this helped

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Step-by-step explanation:

3 0
3 years ago
A team of runners is needed to run a 1/4 mile relay race. If each runner must run 1/16 mile how many runners will be needed?
myrzilka [38]
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7 0
3 years ago
Read 2 more answers
You and your friend each collect rocks and fessis your friend collects three times as many roots and half as many fossils as you
n200080 [17]

Answer:

Number of rocks and fossils collected by you is <u>1 and  24</u> respectively

Number of rocks and fossils collected by your friend is <u>3 and 12 </u>respectively

Step-by-step explanation:

Let  the number of Rocks you collect be x

Let  the number of Fossils you collect be y

Then the total number pf objects you collected will be

x + y = 25

x = 25 - y------------------------------(1)

Your friend collects three times as many rocks and half as many fossils as you.

This can be written as

3x + y (1/2) = 15

3x + (y/2) = 15-------------------(2)

Substituting (1) in (2)

3(25 - y) + (y/2) = 15

75 - 3y + (y/2) = 15

Grouping the like terms we get,

75 - 15 = 3y = (y/2)

60 = ( 6y - y /2)

60 x 2 = 6y -y

120 = 5y

y = 120/5

y = 24

Substituting  y value in equation(1) we get

x = 25 - 24

x= 1

y= 24

Friends collects 3 times rock

so collects 3x =3(1) = 3rocks

Also he collects half as many fossils

That is

y/2 = 24/2 = 12 fossils

<u><em>Hope this help you! :)</em></u>

5 0
2 years ago
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