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eimsori [14]
3 years ago
9

Two people can swing on a trapeze at the same time as long as

Mathematics
2 answers:
PtichkaEL [24]3 years ago
5 0
Yes there weight add up to 490
pychu [463]3 years ago
4 0

Answer:

Yes!

Step-by-step explanation:

Joe’s weight with Jake’s weight is 490, which is less than 500, so yes!

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Which of the following is an extraneous solution of (45-3x)^1/2=x-9?
Iteru [2.4K]

Answer:

C. x =3

Step-by-step explanation:

Extraneous solution is that root of a transformed equation that doesn't satisfy the equation in it's original form because it was excluded from the domain of the original equation.

Let's solve the equation first

\sqrt{45-3x} = x-9\\Taking\ square\ on\ both\ sides\\{(\sqrt{45-3x})}^2 = {(x-9)}^2\\45-3x = x^2-18x+81\\0 = x^2-18x+81-45+3x\\x^2-15x+36 = 0\\x^2-12x-3x+36 = 0\\x(x-12)-3(x-12) = 0\\(x-3)(x-12)\\x-3 = 0\\=> x =3\\x-12 = 0\\x = 12\\We\ will\ check\ the\ solutions\ one\ by\ one\\So,\\for\ x=3\\\sqrt{45-3(3)} = 3-9\\\sqrt{45-9} = -6\\\sqrt{36}= -6\\6\neq -6\\For x=12\\\sqrt{45-3(12)} = 12-9\\\sqrt{45-36} = 6\\\sqrt{36}= 6\\6=6

Hence, we can conclude that x=3 is an extraneous solution of the equation ..

3 0
3 years ago
What number is the highest and which is the lowest. 22.075, 25.125, 23.015, 25.085
Bess [88]
From lowest to highest

22.075, 23.015, 25.085, 25.125
7 0
3 years ago
Read 2 more answers
A group of waitresses share tips equally at a local restaurant. All patrons are charged 15% of their total bills in tips for the
ch4aika [34]

Answer:

$88.65

Step-by-step explanation:

To find the amount of total tips, multiply 3,546.12 by 0.15 (the decimal conversion of 15%).

3546.12(0.15) = 531.918

This is the total amount of tips for the night. This is divided evenly between 6 waitresses.

531.918 / 6 = 88.65

8 0
3 years ago
4.Think about the expression (x-8)(x+4).
Vaselesa [24]

Answer:

x-8 to get the zero for the 8 you have to add it. And for the second part you have to subtract four from itself.

Step-by-step explanation:

7 0
3 years ago
Elena went 60 meters in 50 seconds. Noah went 50 meters in 10 seconds. Elena and Noah both moved at a constant speed. Who went f
photoshop1234 [79]
Noah because he went way faster
6 0
3 years ago
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