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2 years ago

How do I get my math grade up. Turning in hw isn’t helping. sᴛʀᴇss

Mathematics

2 answers:

iren2701 [21]2 years ago

8 0

Step-by-step explanation:

you first cool down then try to understand sum if not so ask twice and many times and always remember to practice you will become topper

ipn [44]2 years ago

3 0

Answer:

Try retaking tests, if you can.

Step-by-step explanation:

The only way to help your grades is if you retake tests or quizzes. If you can. I know stress can be a pain, but the only way to help relieve your stress is by doing things that are calming. For me I listen to music, read, write, and sometimes draw, but it's important to do what you like to do. Maybe if you take a break and do something fun and clear your head then you might be able to think through things better. I hope that this helped.<3

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PLEASEEE HELP MEEEE<br><br>NO LINKSSS

Artemon [7]

Answer:

$\huge\boxed{(2,\ 3);\ (-1,\ 6)}$

Step-by-step explanation:

$f(x)=x^2-2x+3\to y=x^2-2x+3\\f(x)=-x+5\to y=-x+5\\\\\left\{\begin{array}{ccc}y=x^2-2x+3&(1)\\y=-x+5&(2)\end{array}\right$

substitute (1) to (2):

$x^2-2x+3=-x+5$ add x to both sides

$x^2-2x+x+3=-x+x+5$

$x^2-x+3=5$ subtract 5 from both sides

$x^2-x+3-5=5-5$

$x^2-x-2=0\\\\x^2+x-2x-2=0\\\\x(x+1)-2(x+1)=0\\\\(x+1)(x-2)=0\iff x+1=0\ \vee\ x-2=0\\\\\boxed{x=-1\ \vee\ x=2}$

substitute the values of x to (2):

$x=-1\\\\y=-(-1)+5=1+5=6\\\\\huge\boxed{(-1,\ 6)}\\\\x=2\\\\y=-2+5=3\\\\\huge\boxed{(2,\ 3)}$

3 0

2 years ago

The ages of three friends are consecutively one year apart. Together, their ages total 30 years. What is the age of the youngest

nadya68 [22]

Answer:

The age of the youngest friend is 9 years old.

Step-by-step explanation:

3a = 30 - 3

= 27 ÷ 3

= 9

= 9 + 10 + 11 = 30

= 9 is the smallest number. So, the youngest friend is 9 years old.

8 0

2 years ago

HELP MEH! I WILL MARK THE BEST ANSWER BRAINLIEST!

kherson [118]

Answer:

Step-by-step explanation:

32.12 meters below sea level. The diver ascended to the surface at a rate of 8.8 m/min. So the diver ascended 3.65 meters a minute.

a) Use d=rt. D=distance, t= minutes, r=rate

d=8.8t

b) The distance will never be a negative number because you can't have a negative distance to something.

c) 3.65 minutes for the diver to reach the surface.

5 0

3 years ago

According to a study conducted in one city, 35% of adults in the city have credit card debts more than $2.000. A simple random s

BabaBlast [244]

Answer:

Binomial; \mu p=87.5, \sigma p=7.542

Step-by-step explanation:

a distribution is said be a binomial distribution iff

The probability of success of that event( let it be p) is same for every trial
each trial should have 2 outcome : p or (1-p) i.e, success or failure only.
there are fixed number of trials (n)
the trials are independent

here, the trials are obviously independent ( because, one person's debt doesn't influence the other person's)

here n=250

the probability of success(0.35) is same for every trial

(35/100=0.35 is the required p here)

$\mu_{p} =n*p=250*\frac{35}{100} =250*0.35=87.5$

[since, the formula for $\mu _{p} =n*p$ ]

$\sigma _{p} =\sqrt{n*(p)*(1-p)} = \sqrt{250*0.35*(1-0.35)} = 7.542 ( approximately)$

[since, the formula for [tex]\sigma _{p} =\sqrt{n*(p)*(1-p)}

therefore, it is Binomial; \mu p=87.5, \sigma p=7.542

4 0

2 years ago

Makayla's local movie theater has a moviegoer club that charges an annual registration fee of 25 dollars.However, movie tickets

Rudik [331]

Integers are any whole number(not fraction) that can be possitive or negative however she can not buy a negative amount of tickets so that is not the answer
whole numbers are any not fraction number that is positive this is a possible answer
rational numbers are any number that is terminates if it is a decimal or is a repeating decimal this does not include decimals like pi that don't end and dont repeat this cant be the answer
a real number is any number rational or irrational this also cant be the answer

the answer is B
i hope i made sense

3 0

3 years ago