find x and y intercepts
7-3y=9x

Answer:

[tex]Q = 29.3^\circ[/tex]

Step-by-step explanation:

Given

[tex]\angle S = 90[/tex]

[tex]RS = 2.2ft[/tex]

[tex]QR = 4.5ft[/tex]

See attachment for ΔQRS

To calculate <Q, we make use of:

[tex]sin\ Q = \frac{Opposite}{Hypotenuse}[/tex]

Where

[tex]Opposite = RS[/tex]

[tex]Hypotenuse = QR[/tex]

[tex]sin\ Q = \frac{RS}{QR}[/tex]

[tex]sin\ Q = \frac{2.2}{4.5}[/tex]

[tex]sin\ Q = 0.4889[/tex]

Take arc sin of both side

[tex]Q = sin^{-1}(0.4889)[/tex]

[tex]Q = 29.3^\circ[/tex]

Answer: $120

Step-by-step explanation:

Assume the original price is x.

He sold the scooter for $130 and this was $50 less than 1.5 times what he paid for it.

Relevant formula is therefore:

1.5x - 50 = 130

1.5x = 130 + 50

x = 180/1.5

x = $120

Answer:

-2m

Step-by-step explanation:

-6m + 4m

Combine like terms by performing the operation between the coefficients. In this case, one must add the different coefficients, yet since one of the coefficients is negative, then adding the two coefficients is the same as subtracting the two terms.

-6m + 4m

= -2m

Answer:

the answer would be 33/16

Answer:

7 rides

Step-by-step explanation:

38 - 10 (entrance fee) = $28 to spend on rides

if it's $4 per ride, we can divide the remaining money ($28) by the cost of each ride ($4)

28 / 4 = 7

Therefore, she can ride 7 rides

7 walks and a ticket

I'm from Mexico

Answer: i=9

Step-by-step explanation:

-16=-4(-5+i)

-16=20-4i

-20 -20

-36=-4i

Divide by -4

i=9

Answer:

i=9

Step-by-step explanation:

-16=-4( -5 +i)

-16= 20 -4i

-20      -20

_____________

-36=-4i

-36/-4 = 9

i= 9

Hope this Helps! Good luck at your test!

Answer:

True because when you do 16-2 is 14 and 15-1 is 14

Answer:

x 2 − 6 x + 9

x ^2 − 16

x^ 2 − 9

Step-by-step explanation:

91 x y , ( 3 x + 1 ) ( 4 x + 2 ) ÷ 13 x , 4 x + 2-divided

the top answer is factorised

Answer:

136.6

56+80=136

136+0.6=136.6

Step-by-step explanation:

Answer: the answer is 66

Step-by-step explanation: 180-90-24=66

Well the sum of all the angles of a triangle is 180˚ so 24+90=114˚

180˚-114˚=66˚.

Answer:

2y

Step-by-step explanation:

this is common factor of both the terms

because 2y divides both term

hope it helps

Answer: C. 113.1 cubic centimeters

Step-by-step explanation:

Volume of a sphere= [tex]\frac{4}{3}[/tex](3.14)(r)^3

Since we know r then just plug in to get 4/3(3.14)(3)^3= 113.1

So the answer is C

Answer:

113.04 cm3

Step-by-step explanation:

Answer:

I hope this helps you :)

Answer:

2x+3y=9

2x+2-3y+1=8

2x-3y=8

2x-3y+3y=8+3y

2x=8+3y

2x=8+3y

2      2

x=8+3y

    2

2(x) +3y=9

2* (8+3y)/2 +3y=9

(16+6y)/2)+3y=9

2*(16+6y)/2)+3y=9

16+6y+6y=18

6y+6y=18-16

12y=2

12y = 2

12      12

y=2

  12

y=0.16666666666667

2x+3 (0.16666666666667)=9

2x+0.5=9

2x=9-0.5

2x=8.5

2x = 8.5

2       2

x=8.5

    2

x=4.25

Answer:

3

Step-by-step explanation:

Answer:

3

The factors of 51 are 1,3,17,51; The factors of 87 are 1,3,29,87

Hope this helps =]

Answer:

Yes

Step-by-step explanation:

I see no mathematical reason this could not happen. It has three sides which is what makes a triangle.

Answer:

$28,080

Step-by-step explanation:

15*10=150/wk

150*52wks=7,800

13*30=390/wk

390*52wks=20,280

20,280+7,800=28,080

Answer:

Angle ADC = 80 degrees

Step-by-step explanation:

Here, we want to find the measure of angle ADC

mathematically, sum of angles at a point is 360

Thus;

x + 3x + x + 10 = 360

5x + 10 = 360

5x = 360-10

5x = 350

x = 350/5

x = 70

From the diagram;

angle ADC is (x + 10)

so we have; (70 + 10) = 80 degrees

Answer:

1200÷2000=0.6

0.6×100%= 60%

The answer is 60%

Answer: 16:24

Step-by-step explanation:

add the ratio so 2+3=5

Divide from 40 so 40/5=8

multiply by individual ratios

2*8:3*8= 16:24

Answer:

B.

Step-by-step explanation:

Surface area = πr(r + L)   where r = radius of the base and L = the slant height.

= 12π(12 + 40)

= 12*52π

= 624π.

Answer:

(X+4)(x-4)

Step-by-step explanation:

x^-16

=(X+4)(x-4)

Answer:

The picture is just a black screen. Please tell me the question in the comments and I will try to help!

Step-by-step explanation:

Answer:

The formula for the volume of a cylinder = height x π x (diameter / 2)^2

volume = 18 x π x (8/2)^2

volume = 502.654825 cm^3

volume = 502.7 cm^3

Answer:

904.8

Step-by-step explanation:

delta math

9514 1404 393

Answer:

  a) $2.40

  b) $16.80

  c) y = -2.40x +16.80

Step-by-step explanation:

a. Dylan's daily spending is the opposite of the slope of the line on the graph. That slope can be found using the slope formula:

  m = (y2 -y1)/(x2 -x1)

  m = (4.8 -12)/(5 -2) = -7.2/3 = -2.4

Dylan spends $2.40 at lunch every day.

__

b. The y-intercept can be found from the formula ...

  b = y1 -m(x1)

  b = 12 -(-2.40)(2) = 16.80

Dylan's dad gives him $16.80 at the beginning of each week.

__

c. The slope-intercept equation is ...

  y = mx + b

  y = -2.40x +16.80

Answer:

Step-by-step explanation:

3/5 = 0.6

1 - 0.6 = 0.4 students left

Multiply the amount of students remaining by the fractional amount that take German

0.4  x  1/4   =   0.1

1 - 0.6 - 0.1 = 0.3

0.3 x 100 = 30%

Therefore 30% of students take French

Answer:

5

Step-by-step explanation:

9 = 1,3,9

5 = 1,5

4 = 1,2,4

Answer:

47 packs

Step-by-step explanation:

705 divided by 15 is 47