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Ivahew [28]
3 years ago
5

PLS PLS HELP! WILL GIVE BRAINLIEST TO FIRST TO ANSWER ALL! IM GONNA FAIL IF I DONT PASS THIS!!

Mathematics
2 answers:
Anton [14]3 years ago
8 0

Answer:

Qstn 7 answer 8x^2 - 6x

Qstn 8 answer 2x - 5

Qstn 9 and 10 will take time

Step-by-step explanation:

please mark it brainliest

zepelin [54]3 years ago
6 0

Answer:

#7 is A and #8 might be D, maybe wrong but, hope I helped a little :)

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2=2/m​−7. what is M?
r-ruslan [8.4K]

Answer:

The answer is m = 8

Step-by-step explanation:

2 = 2/(m​−7)

2(m-7) = 2

m-7 = 1

m = 1+7

m = 8

4 0
4 years ago
Is domain of f(x,y) = 1 + (4 -y^2)^1/2 open, closed or neither<br><br> is it bounded or unbounded?
omeli [17]

Answer:

Closed and Bounded.

Step-by-step explanation:

Hi there!

1) Let's start by finding the values in which the function is defined. Remember that this can be rewritten:

f(x,y) = 1 + (4 -y^2)^{\frac{1}{2}} \:id\:est\:f(x,y)=1+\sqrt{(4 -y^2)}

Since every quadratic root are defined for values \geq 0  then, this help us to understand that we need calculate what interval this Domain is:

4-y^{2} \geq 0\\4-y^{2}-4\geq -4\\-y^{2}\geq-4 \\y^{2}\leq4\\-2\leq y\leq 2

D=[-2,2]

2) Graphically speaking, the domain is closed. For the values -2 and 2 are included, and bounded.

Bounded functions have all of their points contained by some circle origin centered. Check it out below.

6 0
4 years ago
Lin’s family’s longevity noodles are about 15 cm long and Chen’s family’s longevity noodle are 8 cm longer than Lin’s family’s n
r-ruslan [8.4K]

Answer: 23 cm(Hope it's Right!)

Step-by-step explanation:

Write Lin as L and Chen as C

So put 25cm+8cm

5 0
3 years ago
Eileen swim 45 minutes this is 21 more minutes than four times the number of minutes ethan swim
tiny-mole [99]
If the Question is "How many min. did Ethan swim?" then the answer will be 6 min.
6 0
4 years ago
Brandon has 32 stamps. He wants to display the stamps in rows, with the same number of stamps in each row. How many different wa
Leokris [45]
If you divide 32 by 4 you get 8

so, one way he can display them is 4 by 8

Like this, 

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++++++++
4 0
4 years ago
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