Mathematics College

Help help math math ASAP

Answers

Answer 1

Answer:

y equals to x plus 9

Step-by-step explanation:

-x+y=9

so, y=x+9

Related Questions

can someone answer this question plsss now now

Answers

Answer:

Abe I would estimate 20 and actual time would be 21

Lane I would estimate 15 and the actual time would be 17

Norma I would estimate 15 and actual time would be 13

Amado I would estimate 40 and actual time would be 40

Cesar I would estimate 25 and actual time would be 25

Step-by-step explanation:

Hope this helps a bit!

Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. Match each pair of points A and B to point C such that ∠ABC = 90°. A(3, 3) and B(12, 6) C(6, 52) A(-10, 5) and B(12, 16) C(16, -6) A(-8, 3) and B(12, 8) C(18, 4) A(12, -14) and B(-16, 21)

Answers

9514 1404 393

Answer:

A(3, 3) and B(12, 6), C(16, -6)A(-10, 5) and B(12, 16), C(18, 4)

Step-by-step explanation:

As the attached diagram shows, a perpendicular line from B intersects a choice of C only for B1(12, 6) and B2(12, 16). We note that there are only 3 choices of point C shown, instead of 4, so the question may be incomplete.

It seems easiest to graph the points and use a square (right-angle tool) to identify points C that may be appropriate.

It can also work to use a spreadsheet to do the slope calculations. You want to find a point C such that BC ⊥ AB, for a given AB pair. That is, the slope of BC is the negative reciprocal of the slope of AB.

The 2nd and 3rd C points listed make right angles with the 1st and 2nd AB pairs listed, respectively.

Kiara has already written 37 pages, and she expects to write 1 page for every additional hour spent writing. How many hours will Kiara have to spend writing this week in order to have written a total of 50 pages?

Answers

Answer:

13 hours

Step-by-step explanation:

Since Kiara has already written 37 pages she only needs 13 more to get to 50 pages. If she takes one hour per page then it will take her 13 hours to write 13 pages.

The figure has line(s) of symmetry. What type(s) of symmetry does the figure have?

Answers

Answer:

i domisa

Step-by-step explanation:

Find the slope of the line that passes through the points (-9,-4) and (-16,-8)?

Answers

The slope is 4/7

Y= 4/7x + 8/7

Hope this helped :)

Pieter wrote the equation 7h – 5(3h – 8) = –72 to model the number of hours it takes to dig a well to a level of 72 feet below sea level. How many hours will it take to dig the well?

4
10
14
17

Answers

Answer:14

Step-by-step explanation:

Answer:

Step-by-step explanation: Correct

when a cannonball is fired, the equation of its pathway can be modeled by h=-16t^2+128t

Answers

Answer:

there is no way to further simplify the equation

Step-by-step explanation:

The question is in the picture, please help.

Answers

Answer:

how to understand the problem is picture the shape as a house and try to figure out what to do next

Step-by-step explanation:

HEY GUYS HELP ME ON THIS ONE PLS DO IT FAST

Answers

Answer:

The answer is 72

Step-by-step explanation:

The formula to find the area of a trapezoid

[tex]A= \frac{1}{2}h(b_{1} + b_2{} )[/tex]

First, we can add the bottom base together

5 + 8 + 3 = [tex]16_{2}[/tex]

We know that the height of the trapezoid is 6 and base1 is 8

[tex]A= \frac{1}{2}6(16 + 8)[/tex]

[tex]A=\frac{1}{2}6(24)[/tex]

[tex]A=3(24)[/tex]

[tex]A=72[/tex]

Find the area of the two triangles

[tex]A=\frac{1}{2}5(6)\\\\A=5(3)\\\\A=15\\\\[/tex][tex]A=\frac{1}{2}3(6)\\\\A=3(3)\\\\A=9\\[/tex]

15 + 9 = 24

For the area of the rectangle

6 x 8 = 48

48 + 24 = 72

Taryn had 7/8 of a pound of sugar. She used some
of the sugar to make muffins. She has 3/8 of a
pound of sugar left. How much sugar did she use to
make muffins?

Answers

Answer: 1/2

Step-by-step explanation:

7/8 - 3/8 = 4/8

4/8 = 1/2

Answer:

she used 4/8 of the sugar

Step-by-step explanation:

20 students in total. 10
play sports and 12 play music. 2 of them
don't play anything and some are play
both. What's the percentage for students
play both?

Answers

Answer:

20%

the above was solved using set

what's the área of this triangle?

Answers

Answer:

192 SQUARE FEET

Step-by-step explanation:

Area of a triangle= 1/2 ×base×height

1/2 of the base =32/2 ft

=16 ft

Let the height be A ft and another side(16 ft) be B ft

We know that, A^2 + B^2 =Hypotenuse^2

OR, A^2 + 16^2 = 20^2

OR, A^2= 400-256

OR, A^2 =144

OR, A= Square root of 144

OR, A=12 ft

By the problem,

1/2 ×Base×Height =Area of half of the triangle

1/2 ×16×12= Area of half of the triangle

96=Area of half of the triangle

AREA OF THE TRIANGLE=96 ×2

AREA OF THE TRIANGLE=192 SQUARE FEET.

HOPE IT HELPS

MARK ME BRAINLIEST

A frame around a rectangular family portrait has a perimeter of 138 inches. The length is nine more than three times the width. Find the length and width of the frame.

Answers

Given :

Perimeter of the frame is 138 inches.The length is nine more than three times the width

⠀

To Find :

The Length and width of the frame .

⠀

Solution :

We know that,

[tex]\qquad{ \bold{ \pmb{2(Length + Breadth ) = Perimeter_{(rectangle)}}}}[/tex]

Let's assume the width of the rectangle as x inches. Then the length will become (3x + 9).

⠀

Now, Substituting the given values in the formula :

[tex]\qquad \dashrightarrow{ \sf{2(3x + 9 + x )= 138}}[/tex]

[tex]\qquad \dashrightarrow{ \sf{2(4x + 9 )= 138}}[/tex]

[tex]\qquad \dashrightarrow{ \sf{8x + 18= 138}}[/tex]

[tex]\qquad \dashrightarrow{ \sf{8x = 138 - 18}}[/tex]

[tex]\qquad \dashrightarrow{ \sf{8x = 120}}[/tex]

[tex]\qquad \dashrightarrow{ \sf{x = \dfrac{120}{8} }}[/tex]

[tex]\qquad \dashrightarrow{ \bf \: x = 15}[/tex]

⠀

Therefore,

[tex]\qquad { \pmb{ \bf{ Width _{(frame)} = x = 15 \: inches}}}\:[/tex]

[tex]\qquad { \pmb{ \bf{ Length _{(frame)} = (3x + 9) \: = 3(15) + 9 = 54 \: inches}}}\:[/tex]

Please help asap! I will gave brainlest!

Answers

The Answer to the problem is 1.

The amount of television viewed byâ today's youth is of primary concern to Parents Against Watching Televisionâ (PAWT). 300 parents of elementaryâ school-aged children were asked to estimate the number of hours per week that their child watches television. The mean and the standard deviation for their responses were 12 and 3â, respectively. PAWT constructed aâ stem-and-leaf display for the data that showed that the distribution of times was aâ symmetric, mound-shaped distribution. Give an interval where you believe approximatelyâ 95% of the television viewing times fell in the distribution.

a. less than 9 and more than 15 hours per week
b. between 3 and 21 hours per week
c. between 6 and 18 hours per week
d. less than 18

Answers

Answer:

Option C. between 6 and 18 hours per week

Step-by-step explanation:

We are given that distribution of times is symmetric and mound shaped and this implies that data is normally distributed.

We also know that in the normal distribution the 95% of data lies within 2 standard deviations i.e. mean± 2*standard deviation.

So, 95% of the television viewing times falls in interval

mean± 2*standard deviation

12±2*3

12±6

[6,18]

Thus, [6,18] is an interval where you believe approximately 95% of the television viewing times fell in the distribution.

Find the area of the kitchen

Answers

i think u multiply the number on the side and the number on the top or bottom of the kitchen. i can't see very clearly but i hoped this helped.

Mike spent half of his allowance going to the movies. He washed the family
car and earned 9 dollars. What is his weekly allowance if he ended with 16
dollars ? HELP

Answers

Answer: Mike's weekly allowance is 20 dollars

Step-by-step explanation:

20 Dollars hope this Helpsssssss

Determine whether f(x) = –52 – 10x + 6 has a maximum or a minimum value. Find that value and explain how you know.

Answers

Answer:

minimum

Step-by-step explanation:

Because of the negative infront of 52. The graph opens downward which makes it minimum. Hope this helps

If a 40 ft tall flagpole casts a 256 ft long shadow then how long is the shadow that a 6 ft tall woman casts?
feet

Answers

Answer:

38.4 ft

Step-by-step explanation:

Basically, draw out your two Situations like I have did.

Then find the scale factor by doing 6/40.

Multiply the SF by 256 to get X, or the shadow of the woman.

The screenshot provided shows the drawings.

soIve for x. Show your work or no credit 1) -8x + 10x - 5 = 35

Answers

Answer:

x=20

Step-by-step explanation:

Find the area of the following figure. Explain how you got your answer.

Answers

Answer:

26.5

Step-by-step explanation:

cut the shape into 3 shapes

area of a retangle is = L*W= 5*4 = 20

Area of a triangle = a= h*b/2 = 3*3/2 = 4.5

Area of a triangle = a= h*b/2 = 2*2/2 =2

Juanita walks 3 hours and burns 750 calories

Answers

Answer:

And............ What?

Solve the linear inequality. Other than ∅, graph the solution set on a number line.
Find the solution set in interval notation.

12x-8≤6x-15

Answers

The solution for the linear inequality, in interval notation, is [tex]\:(-\infty \:,\:-\frac{7}{6}][/tex].

Inequality

It is an expression mathematical that represents a non-equal relationship between a number or another algebraic expression. Therefore, it is common the use of follow symbols: ≤ (less than or equal to), ≥ (greater than or equal to), < (less than) and > (greater than).

The solutions for inequalities can be given by: graph in a number line or numbers.

For solving this exercise, it is necessary to find a number solution for the given inequality.

12x-8≤6x-15

12x-6x≤ -15+8

6x≤-7

x≤ -7/6

Answers

Answer:

312.5

Step-by-step explanation:

P=5000

r=12.5%=0.125

t=6month=0.5years

I=P•r•t

I=(5000)(0.125)(0.5)

I =$312.5

Four years ago Ravi was 8 years older than Priya. If he is now 3times as old as she is, find their present ages?

Answers

Answer:

Step-by-step explanation:

Hope this helps and please mark me brainliest :D

Based on the measures shown, could the figure be a parallelogram?
A Yes, one pair of opposite sides could measure
10 in., and the other pair could measure 13 in.
B Yes, one pair of opposite sides could measure
10 in., and the other pair could measure 8 in.
C No, there are three different values for x when each expression is set equal to 10.
D No, the value of x that makes one pair of sides congruent does not make the other pair of sides congruent.

Answers

Well to my measurements I’ve been in school long enough and to my calculations the answer is B

Hope this helps!!

what would be twice a number?

Answers

Answer:

Step-by-step explanation:

Substitute the x for a number like 2 and you multiply the 2 numbers together to get the total and in this case it would be 4.

Have a great day!!

Please rate and mark brainliest!!

12. You purchase a new computer for $2,100. The function f(x) = 2100(.5)* gives the value of the
computer
each year, where x is the number
of years since the computer was purchased. What is
the value of the computer after four years?
A. $1050
B. $525
C. $262.50
D. $131.25

Answers

Answer:

I think it's C but I never did this before so don't trust me

Step-by-step explanation:

2100 * 5 = 1050 and I divided 1050 by 4 which gave me $262.50

Which graph represents a proportional relationship?

Answers

Answe point me

Step-by-step explanation:

Answer:A

Step-by-step explanation:

pahelp pooo, thank u

Answers

Answer:

1. 25 cm^2

2. 9 m

3. 4.8x5=24 m^2

4. 56/6=9.33 cm

5. 8x7.2=57.6 m^2

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