3 years ago

Test question........................

Mathematics

2 answers:

VladimirAG [237]3 years ago

8 0

You forgot to attach the question to your test

ikadub [295]3 years ago

6 0

You Have Passed Thy Test!!! BADAAAA (\•o•/)

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Perform the indicated operations:

Damm [24]

Answer:

A= -40

B= 16

C= 40

D= 50

Step-by-step explanation:

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3 years ago

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In a school one-third of all 240 students play soccer. Forty four students play both soccer and basketball and sixty students do

stiv31 [10]

Answer:

100 students play only basketball.

Step-by-step explanation:

We are given the following information in the question:

Total number of students in school = 240

Number of students that play soccer =

$\dfrac{1}{3}\times \text{Total number of students}\\\\=\dfrac{1}{3}\times 240 = 80$

n(S) =80

$n(S\cap B) = 44$

$n(S'\cap B') = 60$

Formula:

$n(S\cup B) = \text{Total} - n(S' \cap B')\\n(S\cup B) = n(S) + n(B) - n(S\cap B)$

Putting the values, we get,

$n(S\cup B) =240-60=180\\n(S\cup B) = 180 = 80 - 44 + n(B)\\n(B) = 180 - 80 + 44= 144$

Thus, 144 students play basketball.

Out of these 144, 44 plays soccer as well.

$\text{Student only playing basketball} = 144 -44 = 100$

Thus, 100 students play only basketball and not soccer.

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4 years ago

Consider the figure to the right.

lidiya [134]

Answer:B

Step-by-step explanation:

Just did it on math nation

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3 years ago

Did i get almost an entire lesson on math done in a day? <br> Yes<br> Was it hard?<br> N o p e

lions [1.4K]

Good job!!!!!!!!!!!!!!!

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3 years ago

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4x^2-x-3=0 solve by completing the square x= ??

PIT_PIT [208]

Hello,

4x²-x-3=0
==>(2x)²-2*1/2*x+1/4-3-1/4=0
==>(2x-1/2)²-13/4=0
==>(4x-1)²-13=0
==>(4x-1-√13)(4x-1+√13)=0
==> x=(1+√13)/4 or x=(1-√13)/4

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3 years ago