MATHEMATICS HIGH SCHOOL

In the triangle shown, what is the value of the missing angle?139°


41°


65°


74°
In the triangle shown, what is the value of the - 1

Answers

Answer 1
Answer: Because angles in a triangle add up to 180, you can add up the given angles and then take that answer away from 180, so:
65 + 74 = 139
180 - 139 = 41°
So your answer is 41°, I hope this helps!
Answer 2
Answer: the answer is 41 degrees

a triangle has 180degrees, is two of the angles add to equal 139 then subtract that from 180 and you get your answer if 41

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What is the discriminant of the polynomial 4x^2+4x+1A.) -12B.) -4C.) 0D.) 32
Which pair of numbers is relatively prime? A. 18 and 45   B. 26 and 91   C. 10 and 33   D. 14 and 63
Simplify -3 (n - 7) using the distributiveproperty
shari has 1 1/2 gallons of orange juice. She wants to serve the orange juice equally among her 12 friends. How many ounces of juice will each friend receive
Determine which ordered pair is a solution of y = –5x + 10. a. (–15, 5)b. (2, 0) c. (–1, –5) d. (3, 25)

Nick is now seven times as old as Harry. In 6 years, Nick will be five times as old as Harry. How old will Harry be in 6 years?If x represents Harry's age now, then which of the following equations could be used to solve the problem?

Answers

i think its 7x+6=5(x+6) if  its wrong then me so sorry. its the answer i chose tho
Let x represent Harry's age now, and Nick's age now is 7x. [t] 
In 6 years, Harry is x + 6 , and it is given that Nick's age will be 5(x+6). [t+6] 

Combining [t] and [t+6], 7x + 6 = 5(x+6). 
So the formula 7x + 6 = 5(x+6) represents the problem.

And x = 12 , so Harry's age in 6 years will be x +6 or 18 years .

I hope this helps!

Solve for x
X ²-5x=2(leave answer in a surd form)

Answers

Hello,

x²-5x-2=0
Δ=5²+4*2=33
==>x= (5-√33)/2 or x=(5+√33)/2

you are planting a rectangle garden. it is 5 feet longer than 3 times its width. the area of the garden is 250 feet. find the dimensions

Answers

l=3w+5
2(3w+5)+2w=250 (both w and l have to be multiplied by two because there are two sides)
This can be simplified to: 6w+10+2w=250
Now subtract 10 from both sides and add the two w's together.
This makes: 8w=260
Divide both by 8: 32.5-w=32.5
32.5 times 2=65
250-65=185, divided by 2=92.5

Length=92.5
Width=32.5

hope this helped!

A concert charges $24.50 per daily adult ticket and $13.75 per child’s ticket. A group of 90 people paid $1560.00 for tickets. Write a system of equations that could be used to find x, the number of adult tickets purchased, and y, the number of children's tickets purchased?I know the answer i just need to know how to solve it. Thanks :)

Answers

x=adults
y=childern

x+y=90
24.50x+13.75y=1560

so
mutliply the first equation by -13.75 and add to second equaiton

-13.75x-13.75y=-1237.5
24.50x+13.75y=1560 +
10.75x+0y=323

10.75x=322.5
divide both sides by 10.75
x=30

x=30
sub back

x+y=90
30+y=90
minus 30 both sides
y=60


x=30
y=60
30 adults
60 kids

What patterns are there in prime numbers

Answers

That they are only divisible by 1 and themselves.
2 divisible by 2 and 1
3 divisible by 3 and 1
5 divisible by 5 and 1

And so on...
Well, prime numbers cannot be divided by any numbers other than 1 and that number.
Some prime numbers are 7, 11, 13, 17, 19, 23, and more.

Composite numbers on the other hand are numbers like 4... They can be divided by 1, their number and other numbers, but in this question you do not need to know that.
Hope this helps. 

Suppose both the mean and median of a distribution are 12. Which of these statements is true about the mode of the distribution?. . A.The mode is less than 12.. B.There is not enough information to compare the mode.. C.The mode is equal to 12.. D.The mode is greater than 12.

Answers

The statement that is true about the mode of distribution is there is not enough information to compare the mode. The correct answer is B. 

Answer:

C.The mode is equal to 12

Step-by-step explanation:

We are given that

Mean of a distribution= 12

Median of distribution=12

We have to find the true statement about the mode of the distribution.

We know that the relation between mode, mean and median

Mean-mode=3(mean-median)

Substitute the values in the formula then, we get

12-Mode=3(12-12)=3(0)=0

Mode=12

Hence, the mode of the distribution=12

Answer:C.The mode is equal to 12
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