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lord [1]
3 years ago
15

Define a variable and write each phrase as an algebraic expression

Mathematics
1 answer:
meriva3 years ago
4 0

Answer:

y = 4x

(x = Elliot's money, y = yours)

y = 1/2x

(y = how many pages you read, x = George's amount of pages)

w = l - 4

(w = width, l = length)

5c + 12 = p

(c = cd, p = price)

*note I used a constant since it clearly said 12$

:)

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Find the value of x in each case. PLEASE SHOW WORK!!!
myrzilka [38]
m\angle BCA=180^o-5x

\angle CAB=\angle ACD\\\\m\angle CAB=33^o

In the triangle ABC:

m\angle ABC+m\angle BCA+m\angle CAB=180^o\\\\2x+180^o-5x+33^o=180^o\\\\-3x+213^o=180^o\ \ \ |-213^o\\\\-3x=-33^o\ \ \ |:(-3)\\\\x=11^o

4 0
3 years ago
A tiny songbird called the blackpoll warbler migrates each fall from North America. A tracking study showed one bird flew from V
Alexus [3.1K]

Answer:

<h3>2642km</h3>

Step-by-step explanation:

Given the map coordinates o a bird during travel from Vermont at cordinate (63,45) toto Venezuela at map coordinates (67,10). In order to know how far the bird has travelled, we need to find the distance between the two coordinates first using the formula;

D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Given x₁ = 63, y₁ = 45, x₂ = 67, y₂ = 10

D =\sqrt{(67-63)^2+(10-45)^2}\\ \\D = \sqrt{4^2+(-35)^2} \\\\D = \sqrt{16+1225} \\\\D = \sqrt{1241} \\\\D = 35.2278

If each map coordinate represents 75 kilometers, then the birds distance in km will be 75*35.2278 = 2642.087km

Hence the birds distance in km will be 2642km to the nearest kilometers

4 0
2 years ago
Jesse has 5 and 3/4 dozen eggs. How many eggs does Jesse have?
emmainna [20.7K]
¾ = 75%
so turn 75% into a decimal by dividing by 100 and get .75
then multiply:
.75x12=9
so ¾ of a dozen is 9 eggs
now multiply:
5x12=60 eggs
so now just add 60+9=69
So Jesse has 69 eggs

Hope this helps!! :D
7 0
3 years ago
Read 2 more answers
Simply 6 square root of 45
storchak [24]

Answer:

40.24922.........

Step-by-step explanation:

7 0
3 years ago
What is (-oo,-11) U (5,oo)​
miv72 [106K]
Can you please please give me more information please thank you
8 0
3 years ago
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