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2 years ago

Ill give a brainliest if you can answer all three :))

Mathematics

2 answers:

Pavel [41]2 years ago

6 0

Answer:

4. A

8. D

9. B

Step-by-step explanation:

4. started with 10 points: +10

lost 20 points: -20

won 45 points: +45

10-20+45

8. 11-(-8)

=19

9. 100-(-50)-2

=150-2

=148

PLS GIVE BRAINLIEST

oee [108]2 years ago

5 0

Answer:

4 is A ; 8 is D ; 9 is B

Step-by-step explanation:

PLS GIMME BRAINLIEST

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Based on the tree diagram below, what is the probability that a student doesn’t have lice, given that the student tested negativ

soldi70 [24.7K]

Answer:

0.6768

Step-by-step explanation:

It says what is the probability student doesn't have lice GIVEN THAT student tested negative.

We need to look at the tree branch that has "student has no lice" and "test shows negative".

Looking at the bottom-most branch, we see this one shows that "test is negative and student has no lice". This has a value of 0.6768. This is the correct answer.

8 0

2 years ago

Read 2 more answers

2+2=????????????????????????????????

arlik [135]

Answer:

4 ;P !!!!!!!!!!!!!!!!!!!!!!

8 0

3 years ago

H function is even, odd, or neither. b. g(x) = x² - 2 Is it odd or even

o-na [289]

$g(x) = x^2 - 2 \text{ is even function }$

Solution:

Given that,

$g(x) = x^2 - 2$

We have to find whether the above function is odd or even

If a function is: y = f(x)

If f(-x) = f(x), the function is even

If f(-x) = - f(x), the function is odd

Which is,

$\mathrm{Even\:Function:\:\:A\:function\:is\:even\:if\:}f\left(-x\right)=f\left(x\right)\mathrm{\:for\:all\:}x\in \mathbb{R}\\\\\mathrm{Odd\:Function:\:\:A\:function\:is\:odd\:if\:}f\left(-x\right)=-f\left(x\right)\mathrm{\:for\:all\:}x\in \mathbb{R}$