Mathematics High School

If you could help me with any of these questions that would make me very happy : )

If You Could Help Me With Any Of These Questions That Would Make Me Very Happy : )
If You Could Help Me With Any Of These Questions That Would Make Me Very Happy : )

Answers

Answer 1

Answer:

Step-by-step explanation: The first one would be -40 X 30. The parentheses around -25 turns it into a positive. And 5 make you round up

For 2, the -18 turns into a positive 18 bc of the parentheses. So round up to 20. Round 38 up to 40. 20 x 40

For 3, the negative 16 turns positive, making the equation -21 x 9 x 16. Round them to -20, 10, and 20. The equation is -20 x 10 x 20. Hope this helps!

Related Questions

Haley made 88% on a history test. The
test had 50 questions of equal point value.
How many questions did Haley miss?

Answers

Answer:

She missed 6 questions.

Step-by-step explanation:

88% can be written as (88/100) or as 0.88.

You can set this as a ratio problem which is,  

88/100 = correct/50

correct = (88/100)*50       (multiply both sides by 50)

correct = 44

So, 50 (total questions) - 44 = 6 incorrect questions

What algebraic representation best describes the transformation below?

A. (x, y) --> (2x, 2y)
B. (x, y) --> (x+1, y+2)
C. (x, y) --> (1/2x, 1/2y)
D. (x-2, y+1)

Answers

Answer:

A. (x, y) --> (2x, 2y)

B. (x, y) --> (x+1, y+2)

C. (x, y) --> (1/2x, 1/2y)

D. (x-2, y+1)

Urgent please!!! I really don’t understand it, tysm to anyone who can answer thissss :))))

Answers

Given:

The frequency distribution table.

To find:

The mean average score on a test.

Solution:

The frequency distribution table is

[tex]Marks (x_i)[/tex]                   [tex]Frequency(f_i)[/tex]                  [tex]f_ix_i[/tex]

     x                                     a                               xa

     y                                     b                               yb

     z                                     c                               zc

  Sum                              a+b+c                          xa+yb+zc

Now, the mean average score on the test is

[tex]Mean=\dfrac{\sum f_ix_i}{\sum f_i}[/tex]

[tex]Mean=\dfrac{xa+yb+zc}{a+b+c}[/tex]

Therefore, the mean average score on the test is [tex]\dfrac{xa+yb+zc}{a+b+c}[/tex].

Find the
common factors of 5x²y and - 3x​

Answers

The common factor of 5x2 is y5x


Which of the following graphs could describe the system of equations?
A Blue
B Green
C Pink
D Purple

Answers

Answer:

The answer is...

Step-by-step explanation:

Purplea

Please help ASAP! Due in 10 mins

Answers

Answer:

C : The coefficients and constants will always be the same

Step-by-step explanation:

This is because infinitely many solutions means that the lines are both right on top of each other and there is not an intersection.

PLLZZZ HELPP I HAVE EXAMM
PLZZZZZZZZZZZ

Answers

The answer is the first one, 374549

THIS IS URGENT

Simplify 5^3/4 divided by 5^5/9 by substituting a numerical value for a in the expression.

5^a

Answers

Answer:

a=7/36...............

Dane needs to cut 4 strips of border for his rectangular project board. The project board has a length of 12 1/2 inches and a width of 6 1/4 inches. How much border will Dane have left if the border comes in a 60-inch roll?

Answers

22.5 inches left. Calculate all the inches then subtract from 60.

I need help please i

Answers

Answer:

5

Step-by-step explanation:

the answer is somewhere by 5

Which situations can be represented by an exponential function?

Select each correct answer.



The value of a vehicle decreases by 11% each year.
In a structure made of bricks, each row has 10 more bricks than the previous row.
A dentist's office accepts 15 new patients each month.
Every year, the number of online video subscriptions increases by 3 times what is was the previous year.

Answers

Answer:

The answer is IC and D I just finished the text

Step-by-step explanation:

In the middle school band, there is 1 oboe for every 7 clarinets. Identify three equivalent ratios to compare the oboes to the clarinets.

Answers

Answer:

지금 당장받는 퀴즈에 대한 도움이 정말 필요 해요 ... 그냥 질문에 무작위로 답 해주셔서 ... 미안 해요 미안 해요 .. 또한 몬스타 엑스를 아시나요, 그들은 정말 좋은 그룹입니다

Step-by-step explanation:

Answer:

1/7, 2/14, 3/21

Step-by-step explanation:

Finished the quiz and got 100%.

3x+25=2(4x-10)

Can somebody plz explain to me how to solve this

Answers

3x+25=2(4x-10)
3x+25=8x-20
+20 +20 (factor and match like terms)
3x+45=8x
-3x -3x
45=5x
X=9

Please help! Will mark brainliest

Answers

Answer:

30 degrees but I have to write more stuff so brainly will let me submit my answer

Answer:

30°

Step-by-step explanation:

Because it is in the intersection of two lines, and opposite a corner that we know is 30°, then 3 must also be 30°

work out the value of x and y?

Answers

Step-by-step explanation:

x = 49° { being vertically opposite angles }

y = 63° (being alternate angles)

Hope it will help :)

Am i the only one that watches Osman??

Answers

Someone else in the world may watch it but personally i do not.

Answer:

Please Give Brainliest

Step-by-step explanation:

Help me ASAP pleaseeee

Answers

Answer:

no

yes

no

yes

Step-by-step explanation:

What is 50% of 33 show work please​

Answers

Answer:

16.5

Step-by-step explanation:

50 x 33

-------------

100

= 16.5

WILL GIVE BRAINLIEST AND 20 POINTS!
Find the LCM.
11, 13
STEP 1: Define the LCM (least common multiple).
The least common multiple (LCM) of two or more numbers is the smallest number that is a multiple of all the numbers.
The LCM can be found by first writing each number as a product of prime factors.
The LCM must contain all the prime factors of each number.

STEP 2: Determine the prime factorization of each number.
Determine the prime factorization of 11.
11 =


Determine the prime factorization of 13.
13 =


STEP 3: Multiply all of the prime factors.
11 ×
=
LCM =

Answers

Answer:

143...is the lcm...

Step-by-step explanation:

lcm (11; 13) = 143: least common multiple, calculated. Numbers have no common prime factors: 143 = 11 × 13...................

find the distance of a cord 8cm from the centre of a circle of a radius 5 cm​

Answers

Answer:

d = 3 cm

Step-by-step explanation:

Given that,

The distance of a cord, c = 8 cm

The radius of the circle, r = 5 cm

Half of the cord = 4 cm

We need to find the distance of a cord from the centre of the circle. We can find it using Pythagoras theorem,

[tex]5^2=d^2+4^2\\\\d^2=25-16\\\\d=3\ cm[/tex]

So, the required distance is 3 cm.

The ratio of dogs to people at the park is 3 to 4. There are 336 total
dogs and people at the park.
How many people are at the park?

Answers

Answer:

you got this u are really smart

Step-by-step explanation:

3+4=7
336/7 is 48
48 per part
48x4 is 192
192

Find the area of the composite figure.

Answers

36 I believe is the answer

Have a good day

Answer:

144

Step-by-step explanation:

Boots are now $33 with 40% off. What is the original price ?

Answers

Answer:

40% of 82.5 is 33

Step-by-step explanation:

Sorry I am late, have a wonderful day!

Can someone answer this please: 37.3 rounded to the nearest integer

thank you <3​

Answers

Answer:37

Step-by-step explanation:

rounding to the nearest integer is what is in the tenth place so .1 is in the tenth place so 37.3 rounded to the nearest tenth place would be 37

A rectangular prism has a volume of 320 cubic feet. If the area of the base is 80, what is the height of the figure?
a.10ft
b.240ft
c.4ft
d.400ft

Answers

Answer:

Step-by-step explanation:

H = 320/80 = 4 ft

Solve the system. Estimate the solution first. Enter whole numbers for the estimated solution and
improper fractions in simplest form for the algebraic solution.
6x + y = 4
x - 4y = 19
The estimated solution is
The algebraic solution is

Answers

x= 4y+19
6(4y+19)+y=4
24y+114+y=4
24y=110
y= 4.583333
y=5

x-4(4.58333)=19
x-18.3332=19
x=37.3332
x=37

If you roll a regular 6 faced die 1200 times how many times to you expect to get 5

Answers

Answer:

240 times

Step-by-step explanation:

Since there is only one 5 on a 6 sided die, all you have to do is divide 5 into 1200

A student has $30. Berries cost $3 per pound.Which inequaility shows n, the number of pound he can buy?

Answers

Hi, not sure if I’m absolutely correct but it should be 10 pounds

Need help with finding X

Answers

Answer:

Step-by-step explanation:

tysm for all your help Here is a crown and points. contest the first answer will get a mark

Answers

WWWWWWWWWWWWWHHHHHHHHHHHHHHHHHHHHAAAAAAAAAAAAAAAAAAAAATTTTTTTTTTTTTTTTTT

Answer:

AHH

Step-by-step explanation:

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