Can someone help me?

Answer:

Answer: 350

Step-by-step explanation:

Explanation:

a = adult tickets

s = student tickets

║ a + s = 754

║s = a + 54

Plug s = a + 54 into a + s = 754

a + (a + 54) = 754

a + a + 54 = 754

2a + 54 = 754

2a = 754 - 54

2a = 700

a = 350

The first one is correct you take the slope and multiple it by x and then add or subtract your y intercept depending on whether it is positive or negative. In this case it's positive so it would by -3/7x+9

Answer:

( 10 × x ) + 30

Step-by-step explanation:

This equation would represent the phone bill because you would have to multiply the GB (x) by 10 before adding it to 30 to find the total amount of money.

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The cost of cell phone is represented by expression, [tex]C=10x+30[/tex]

It is given that,

It costs 30 dollars per month for a cell phone plus 10 dollars for every GB of data.

Let us consider that x is the number of GB of data used.

The cost of cell phone is represented by,

                    [tex]C=30+(10*x)\\\\C=10x+30[/tex]

Thus, the cost of cell phone is represented by expression, [tex]C=10x+30[/tex]

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Sam's "bearing" is simply the direction in which he's moving, which is the angle made with due East.

From point A to point B, his bearing is 335°, and from point B to C, his bearing is 45°. In both cases, the angle is made with due East from the second point. See the sketch for a rough approximation of this. Note that it is not to scale.

To get it into scale, you have to compute the distances traveled along each bearing.

• Moving at 6 km/h for 20 min = 1/3 h would cover a distance of

(6 km/h) • (1/3 h) = 2 km

• Moving at 10 km/h for 15 min = 1/4 h would mean a distance of

(10 km/h) • (1/4 h) = 2.5 km

In your sketch, 1 cm should represent 500 m = 0.5 km, so the arrow from A to B should have a length of 4 cm, while the arrow from B to C should have a length of 5 cm.

Answer:

766.87 is how much he is paid in all.

Step-by-step explanation:

2.5% of 75 is 1.875. 1.875 times 9 is 16.875. 75 times ten is 750. add together to get the whole.

In 10 weeks she will be paid a total of $840 with 2.5% more each week.

An arithmetic sequence is a set of numbers in which every no. next to the previous number has the same common difference

d = aₙ - aₙ₋₁ = aₙ₋₁ - aₙ ₋₂.

In a geometric sequence numbers are written in the same constant ratio(r).

It means every next number is a multiple of a common constant and the previous number.

r = aₙ/aₙ₋₁ = aₙ-₁/aₙ₋₂.

Given, a = 75 and r = 1.025.

We know the sum of a geometric sequence is Sₙ = a(rⁿ - 1)/(r - 1).

∴ S₁₀ = 75(1.025¹⁰ - 1)/(1.025 - 1).

S₁₀ = 75(1.28 - 1)/(0.025).

S₁₀ = 75(0.28)/0.025.

S₁₀ = 840.

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Answer:

72

Step-by-step explanation:

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Step-by-step explanation:

3x is answer because emily = 2X , mike = x

X + 2x

= 3x

Answer:

a = [tex]\frac{9}{4}[/tex] , b = - 2

Step-by-step explanation:

Given the 2 equations

9 = ab² → (1)

- 72 = a[tex]b^{5}[/tex] → (2)

Divide (2) by (1)

[tex]\frac{-72}{9}[/tex] = [tex]\frac{ab^5}{ab^2}[/tex]

- 8 = b³ ( take the cube root of both sides )

[tex]\sqrt[3]{-8}[/tex] = b , that is

b = - 2

Substitute b = - 2 into (1) and solve for a

9 = a(- 2)² = 4a ( divide both sides by 4 )

[tex]\frac{9}{4}[/tex] = a

Answer:

1) The equation for the of the ball in y = a·(x - h)² + k is;

y = -16·(x - 5)² + 25

2) The height of the dock, d =  -375 feet below the water level

Step-by-step explanation:

1) The question is with regards to quadratic function representing projectile motion

The given parameters are;

The height the ball reaches 4 seconds after Sarah kicked the ball = 9 feet

The time the ball hits the water = 6 seconds after reaching the 9 feet height

The form of the quadratic equation representing the motion is given as follows;

y = a·(x - h)² + k = a·x² - 2·a·h·x + a·h² + k

Let 'x' represent the time of motion of the ball, and let 'a', represent the acceleration due to gravity, we have;

The equation for the ball, y = a·(x - h)² + k

Where;

(h, k) = The coordinates of the vertex

h = The horizontal component of the vertex coordinate = 0

Therefore, we have;

When x = 0, y = d

d = -16·(0 - h)² + k =  -16·h² + k

d = -16·h² + k  

When x = 4, y = 9 - d

9 - d = -16(4 - h)² + k = -16(4 - h)² + k

When x = 2, y = d

d = -16(2 - h)² + k

When x = 6, y = 9

9 = -16(6 - 5)² + k

When x = 8, y = d

d = -16(8 - h)² + k

-16(8 - h)² - (-16(2 - h)²) = 0

h = 5

From 9 - d = -16(4 - h)² + k = -16(4 - 4)² + k

d = 9 - k

9 = -16(6 - h)² + k

k = 9 + 16(6 - 5)² = 25

d = 9 - k = 9 - 25 = -16

Therefore, h = 5, k = 25

The equation for the of the ball in y = a·(x - h)² + k is therefore;

y = -16·(x - 5)² + 25

2) When x = 0, y = d, ∴ d = -16(0 - 5)² + 25 = -375 feet below the water

The height of the dock, d =  -375 feet below the water level

Answer: (I REDID THIS ANSWER)

$128

Step-by-step explanation:

20% off of $16,000 = $3,200

20% off of $3,200 = $640

20% off of $640 = $128

Answer= $128

Answer:

1).

Sqrt (7 x 12) = 9.165

2).  

Altitude = Sqrt (14 x 8) = 10.583

3).  

If FG is the angle bisector of angle F in triangle DEF,

DF/EF = DG/EG

6/EF = 4/9

EF = 13.5 in long.

4).  

In triangle QRS, XY is parallel to SR.  

SX/XQ = RY/YQ

3/2x = 4.5/7.5

9x = 22.5

x = 2.5

The length of QS

= SX + 2x  

= 3 + 5

= 8

did this help sorry if it didnt

Step-by-step explanation:

Answer: B. 27

Step-by-step explanation:

3x3 = 9

9x3 = 27

3^3 = 27

Answer:

c. 9

Step-by-step explanation:

3,3

3*3

3 square

9

Answer:

he needs 10 c

Step-by-step explanation:

Jorge needs 10 large c because 6 large salads need 10 tomatoes

Answer:

15 m

Step-by-step explanation:

12-9=3 meters of orange rope

so 3 m of orange + 12 m of green

15m in total

Answer

nora has 15 meters

Step-by-step explanation:

12 minus 9 is 3 so u have to add 3

Answer:

Plus 4 miles every 2 hours

Hours= +2

Miles= +4

[tex]v =\dfrac{d}{t}[/tex]

[tex]5 = \dfrac{22}{t}[/tex]

[tex]t = \dfrac{5}{22}[/tex]

She will take [tex]\dfrac{5}{22}[/tex] hours or 13 minutes and 38 secs.

Answer:

x = 7

Step-by-step explanation:

Given

5x - 1 - 2x = 20, that is

3x - 1 = 20 ( add 1 to both sides )

3x = 21 ( divide both sides by 3 )

x = 7

Step-by-step explanation:

5x-1-2x=20

3x-1=20

3x=20+1

3x=21

3x/3=21/3

x=7

-------- hope it helped

[tex]7.8 \times {10}^{ - 7} [/tex]

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Answer:

Step-by-step explanation:

__________________________________________________________

The answer is C because it matches the other graph from Desmos.

( -1.333,0 ) ( 0,-2 )

( Picture Below )

__________________________________________________________

Hope this helps! <3

__________________________________________________________

The graph of the equation y = -(3/2)x -2 is C.

Slope of a line is defined as the change in the value of y-coordinate with respect to the value of the x-coordinate. It is usually denoted by 'm'.

Slope can also be defined as the tangent of the angle that the line is making with the X-axis.

The equation of a line in slope-intercept form is y = mx + c, where m is the slope and c is the y-intercept.

For  y = -(3/2)x -2, m = -3/2 and c = -2

Here slope is negative, so the line will be directing downwards from left to right.

So we eliminate graph B.

y-intercept is the y-coordinate of the point where the line touches with the X-axis. The x-coordinate at that point will be zero.

So we got the a point on the line ( 0, -2 )

Since graph A does not pass through this point, it is also eliminated.

Now we find x-intercept which is the x-coordinate of the point where the line touches with the X-axis. The y-coordinate will be zero there.

So, 0 = -(3/2)x -2

⇒ 2 = -(3/2)x

⇒ x = -4/3

⇒ x = -1.333

So the line touches ( -1.333, 0).

Hence, graph C is the one which satisfies the equation  y = -(3/2)x -2.

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Answer:

The change of rate of the situation is 5.

Step-by-step explanation:

Given f(n) = 2 + 5n. The rate of change is still the same as the slope of the equation. We know that the equation of a line is given as:

f(x) = y = mx + c where m is the slope. In our given equation, f(n) = 2 + 5n = 5n + 2, we see that m = 5 which is our slope.

Therefore, the change of rate of the situation is 5.

Answer:

[tex]\displaystyle m\angle RTU=73^\circ[/tex]

Step-by-step explanation:

Interior Angle of a Circle

An interior angle of a circle is formed at the intersection of two lines that intersect inside a circle.

Lines AC and BD of the figure attached below intersect forming arcs p and q. The measure of the interior angle x  is:

[tex]\displaystyle x=\frac{p+q}{2}[/tex]

The question includes the drawing of a circle with lines US and RV intersecting at point T. The measure of the interior angle RTU is:

[tex]\displaystyle m\angle RTU=\frac{68^\circ+78^\circ}{2}[/tex]

[tex]\displaystyle m\angle RTU=\frac{146^\circ}{2}[/tex]

[tex]\boxed{\displaystyle m\angle RTU=73^\circ}[/tex]

Answer:

34cm

Step-by-step explanation:

bc i konow

Answer:

no, a right angle is 90 degrees. it isn't.

Step-by-step explanation:

the bottom left angle should look like this:  L, which it doesn't.

Answer: X

Step-by-step explanation: Because look at the chart

Answer:

It’s b

Step-by-step explanation:

Answer:

Both a and b

Step-by-step explanation: