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4 years ago

NO JOKE BUT THIS IS AN EMERGENCY PLZ, IF ANSWER IS RIGHT OR JUST WHATEVER U GET BRANLIEST NO MATTER WAT PLZZ HELP ME

Mathematics

2 answers:

const2013 [10]4 years ago

5 0

Answer: 15

Step-by-step explanation:

The opposite angles, angles that are opposite of each other are when two lines cross. They are also known as vertical angles, because the two angles share the same corner. Opposite angles are also congruent angles, meaning they are equal or have the same measurement.

So 60 = x + 45 or 60 - 45 = x =15

emmasim [6.3K]4 years ago

4 0

Answer:

Step-by-step explanation:

Opposite angles, angles that are opposite each other when two lines cross, are also known as vertical angles because the two angles share the same corner. Opposite angles are also congruent angles, meaning they are equal or have the same measurement.

Therefore 60 = x + 45 or 60 - 45 = x =15

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For which sample size (n) and sample proportion (p) can a normal curve be

Nonamiya [84]

Answer:

Option c.

Step-by-step explanation:

Using the normal curve to approximate a sampling distribution:

For a sample size n and a proportion n, the normal curve can be used if:

$np \geq 10$ and $n(1-p) \geq 10$

Option a:

$np = 35*0.8 = 28 > 10$

$n(1-p) = 35*0.2 = 7 < 10$

So option a cannot be used.

Option b:

$np = 65*0.9 = 58.5 > 10$

$n(1-p) = 65*0.1 = 6.5 < 10$

So option b cannot be used.

Option c:

$np = 65*0.8 = 52 > 10$

$n(1-p) = 65*0.2 = 13 > 10$

So option c can be used, and is the answer

Option d:

$np = 35*0.9 = 31.5 > 10$

$n(1-p) = 35*0.1 = 3.5 < 10$

So option d cannot be used.

The answer is given by option c.

7 0

3 years ago

What is 3.1 - 4.9(x + 1)

liq [111]

Answer:

-49x - 18 is the final answer!

5 0

4 years ago

Read 2 more answers

A golfer earned the following scores over several rounds of golf: −3, 2, 0, −1, 2, −4. Jamar says these numbers can all be descr

otez555 [7]

Answer:

Jamar is correct.

Step-by-step explanation:

The scores are as follows :

−3, 2, 0, −1, 2, −4.

These numbers include negative, positive and 0 as well. These numbers cannot written in a fractional form. It means they are integers.

Here, amar says these numbers can all be described as integers, while Sophia says they are whole numbers.

It would mean that Amar is correct. Sophia is incorrect because she told that the are whole numbers. Whole numbers are simply number like 0,1,2,3,4....

3 0

4 years ago

The answer is: x is choose your answer

katrin2010 [14]

Answer:

All real numbers

Let's find the critical points of the inequality.

−4x+7=17

−4x+7+−7=17+−7(Add -7 to both sides)

−4x=10

−4x−1=10−1

(Divide both sides by -1)

4x=−10

4x=−10(Solve Exponent)

log(4x)=log(−10)(Take log of both sides)

x*(log(4))=log(−10)

x=log(−10)log(4)

x=NaN

3 0

4 years ago

cho phương trình 2x^2-5x-9 có hai nghiệm là x1,x2. không giải phương trình, hãy tính giá trị của biểu thức A= x1^2+x2^2-2x1x2^2

irga5000 [103]

Step-by-step explanation:

please subscribe to my mom channel please

https://youtu.be/f_kgUUaMZlw

8 0

3 years ago