Ok help it’s for a grade I will give Brainly if right

Answer:

Yes they can drive for 15 days without the light

Step-by-step explanation:

If its 0.5 gass each day 0.5 gas ×15days that would be 7.5

Answer:

(6,-2)

Step-by-step explanation:

To find the estimated project completion time for the given project activities, we need to first calculate the earliest start and earliest finish times and then the latest start and latest finish times.

Using the activity times given, we can calculate the earliest start and earliest finish times for each activity as follows: Activity A: Earliest start time = 0

Earliest finish time = 1

Activity B: Earliest start time = 2

Earliest finish time = 5

Activity C: Earliest start time = 5

Earliest finish time = 11

Activity D: Earliest start time = 11

Earliest finish time = 17

Activity E: Earliest start time = 5

Earliest finish time = 8 Activity F:

Earliest start time = 8

Earliest finish time = 17

Now we can calculate the latest start and latest finish times for each activity using the backward pass.

Latest finish time = 5

Latest start time = 2

Activity A: Latest finish time = 1

Latest start time = 0

Now we can calculate the slack time for each activity as follows:Activity A:

Slack time = 0

Activity B: Slack time = 0

Activity C: Slack time = 0

Activity D: Slack time = 0

Activity E: Slack time = 3

Activity F: Slack time = 0

The critical path for this project is A -> C -> D, since these activities have zero slack time. Therefore, the estimated project completion time is 17 units of time.

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It is likely that 975 players in the shipment of 1000 video players will have no defects.

To predict the number of players in the shipment that are likely to have no defects, we can use the proportion of defect-free players observed in the sample.

In the given sample of 200 video players, 195 of them have no defects. This means that the proportion of defect-free players in the sample is 195/200.

To estimate the number of defect-free players in the shipment of 1000 video players, we can use the same proportion. We multiply the proportion by the total number of video players in the shipment:

Number of defect-free players = Proportion of defect-free players * Total number of players

Number of defect-free players = (195/200) * 1000

Calculating this expression:

Number of defect-free players = (195/200) * 1000 = 975

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The height of the pyramid is 6 units.

The formula for the volume of a triangular pyramid is given by:

V = (1/3) * A * h

where V is the volume, A is the area of the base, and h is the height of the pyramid.

We know that the volume of the pyramid is 24 \(units^3\) and the area of the base is:

A = (1/2) * base * height = (1/2) * 6 * 4 = 12

Substituting these values into the formula for the volume, we get:

24 = (1/3) * 12 * h

Multiplying both sides by 3, we get:

72 = 12 * h

Dividing both sides by 12, we get:

h = 6

Therefore, the height of the pyramid is 6 units.

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Answer:

a)

b)

i)

ii)

Answer: 30%

Step-by-step explanation:

Answer:

30%

Step-by-step explanation:

\(\frac{15}{50}\)×100=30

Answer:

Step-by-step explanation:

1. 13

2. 38

3. 11

4. 4

Answer:

312.50

Step-by-step explanation:

8 , 20 , 50, 125 , 312.50

First term, a = 8

Second term, ar = 20

Find common ratio, r

Substitute a = 8 into second equation

ar = 20

8r = 20

r = 20/8

r = 2.5

Find the fifth term

ar⁴

= 8 * 2.5⁴

= 8 * 39.0625

= 312.50

Fifth term, ar⁴ = 312.50

Answer:

Alexa will run 50 yards.

They will run 150 yards together.

Step-by-step explanation:

Since Crystal is twice the age of Alexa, we can divide 100 yards by 2, and Alexa will only be running 50 yards.

Since Crystal ran 100 yards, and Alexa ran 50 yards:

100 + 50 = 150 yards ran together.

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The coordinates of A' are (5, -3).

Since the reflected quadrilateral A'B'C'D' is then translated 3 units right and 2 units up to form quadrilateral A"B"C"D, the coordinates of A" are (8, -1).

In Mathematics and Geometry, a reflection over the x-axis is modeled by this transformation rule (x, y) → (x, -y). This ultimately implies that, a reflection over the x-axis would maintain the same x-coordinate while the sign of the x-coordinate changes from positive to negative or negative to positive.

Since quadrilateral A'B'C'D' underwent a reflection across the x-axis to form quadrilateral AB'CD', the original coordinates of triangle NLM can be calculated as follows;

(x, y)            →      (-x, y)

A (-5, -3)      →     A' (5, -3)

By applying a translation, we have:

A' (5, -3)  →      (5 + 3, -3 + 2) = A" (8, -1).

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

Answer:

Step-by-step explanation:

C its CCCCCCCCCCCCCC

We need 1.75 litres of water to make 2 litres of diluted squash with a ratio of 1 part squash to 7 parts water

To make 2 litres of diluted squash with a ratio of 1 part squash to 7 parts water, we need to calculate how much water is needed.

We can do this by using the following formula:

Water = Diluted Squash - Squash First, we need to find out how much squash is in 2 litres of diluted squash.

Since the ratio is 1:7, we can divide 2 litres by the total number of parts (1 + 7 = 8) to find out how much squash is in 2 litres of diluted squash: Squash = 2 litres / 8 = 0.25 litres

Now we can use the formula to find out how much water is needed:

Water = 2 litres - 0.25 litres = 1.75 litres

Therefore, we need 1.75 litres of water to make 2 litres of diluted squash with a ratio of 1 part squash to 7 parts water.

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Answer:

A point. (3,5) represents a point that is 3 units to the right of the Y-axis (x = 3) and 5 units above the X-axis (y = 5).

Step-by-step explanation:

To plot a point, you start at origin and move however many units are specified. To do this, you can either;

 A.) Start at origin. Move along the X-axis to 3, and then go straight up five units on the Y-axis. This will plot the point.

 B.) You can also do this with your other value. Starting at origin, move along the Y-axis to 5. Go right on the X-axis three units, and you will be at the same point.

Answer:

1

Step-by-step explanation:

there are 4 spaces between each big mark

Answer:

y = 1

x = 4

Step-by-step explanation:

x + 3y = 7 → ( 1 )

2x - y = 7 → ( 2 )

First, let us make x the subject in equation ( 1 ).

x = 7 - 3y  → ( 3 )

Let us find the value of y.

For that let us take equation (1) & replace x with ( 7 - 3y ).

2x - y = 7

2 ( 7 - 3y ) - y = 7

Solve the brackets.

14 - 6y - y = 7

Combine like terms.

14 - 7y = 7

Subtract 14 from both sides.

-7y = 7 - 14

-7y = -7

Divide both sides by -7.

y = 1

Let us find value of x

For that let us take equation (3) & replace y with 1.

x = 7 - 3y

x = 7 - 3 × 1

x = 7 - 3

x = 4

Answer:

Step-by-step explanation:

One of the Answers is C

log 8 + log 3

log ((8)(3)) (Using the product rule of logarithms)

log (24) (Multiplying)

The answer is log(24)

Answer:

31,500

Step-by-step explanation:

Multiply the population density by area to get the total population in an area

Density = 15 per km²

Area = 1500 x 1.4 = 2100 km²

Population in 2100 km² = 15 x 2100 = 31,500

Answer:

Neither

Step-by-step explanation:

-12x + 3y = 3

y = 4x + 1

y = mx + b

The second equation given is set up in the correct form already (y = 4x + 1)

We have to convert the first equation into the same format

-12x + 3y = 3

Isolate the y

3y = 3 + 12x

Divide the 3 from the y and the other side

y = 1 + 4x

y = 4x + 1

This is the same as the first equation

They can only be parallel if their slope (m or 4 in this case) is the same and their y-intercepts (b or 1 in this case) are different. Since the equations are the exact same and do not fit the y-intercept criteria for parallel, they cannot be parallel. If they were perpendicular, their lines must cross. This means they have to contain reciprocals or opposite slopes. Our slope here for both of them is 4 or 4/1. Since neither are the opposite (which would be 1/4), it is not perpendicular. Therefore, the answer is neither

The number of cookies packs needed if the treasurer buys 1 package of brownies bites is 5 packs

15b + 12c = 75

If 1 package of brownies is bought

15b + 12c = 75

15(1) + 12c = 75

15 + 12c = 75

12c = 75 - 15

12c = 60

c = 60/12

c = 5 packs

If 9 packages of brownies are bought

15b + 12c = 75

15(9) + 12c = 75

135 + 12c = 75

12c = 75 - 135

12c = -60

c = -60/12

c = -5 packs

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The values of x that will give the quadratic equation no real number solutions are -5 and 9

Real roots of a quadratic equation are values of x, whose numbers can be represented on a number line.

Analysis:

We have -\(x^{2}\) +3x +c = 0

\(b^{2}\) - 4ac  is called the discriminant of a quadratic equation.

if \(b^{2}\) - 4ac  < 0, then the quadratic equation has no real root.

where a = -1, b = 3 c = c

\((3)^{2}\) -4(-1)c < 0

9 + 4c < 0

4c < -9

c < -9/2

Which means values lower than -9/2 would give the solution no real root.

From, the options,  only -5 would give no real solution, since it is lower than -9/2.

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Answer:

b

Step-by-step explanation:

what grade?

Answer: 1/12

Step-by-step explanation:

From the question, we are informed that Cameryn mixes 1 1/4 gallons of water with 5/6 gallons of food coloring to create a solution for her science project. The gallons for the solution will then be:

= 1 1/4 + 5/6

= 1 3/12 + 10/12

= 1 13/12

= 1 + 1 1/12

= 2 1/12

If Cameryn only uses 2 gallons of the solution for her experiment, the number of gallons of solution that will be leftover will be:

= 2 1/12 - 2

= 1/12 gallons

Answer:

3 hrs. 30 mins.

Step-by-step explanation:

7:00 - 3:30

Answer:

Answer for the first pic is 122.24  

Answer for the second pic is A

Step-by-step explanation:

the rectangle is 72 in

the semi-circle is 50.24

Answer for the first pic: 122.24 in  

Answer for the second pic: A

The axis of symmetry for each function in this problem is given as follows:

The quadratic function of vertex(h,k) is given by the rule presented as follows:

y = a(x - h)² + k

In which:

The axis of symmetry of a quadratic function is given as follows:

x = h.

Hence for function g(x) the axis of symmetry is given as follows:

x = 2.

For function f(x), the turning point of the curve is at the x-coordinate of -2, hence it is given as follows:

x = -2.

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Answer:

\({ \tt{ = \frac{7}{9} \div \frac{1 }{3} }} \\ = { \bf{ \frac{7}{9} \times \frac{3}{1} }} \\ = \frac{7}{3} \)

Answer:

\(\huge\boxed{\sf c = \frac{T}{6} - \frac{2}{3}}\)

Step-by-step explanation:

Let c be the cost of cheese and T be the total cost.

Cost of bread = $4

Cost of 1 cheese = $6

Cost of c cheese = $6 × c

Cost of c cheese = 6c

T = cost of 1 bread + cost of c cheese

Solving for c:

T = 4 + 6c

T - 4 = 6c

\(\displaystyle \frac{T-4}{6} = c\\\\We \ can \ also \ write \ it \ as:\\\\\frac{T}{6} - \frac{4}{6} = c\\\\c = \frac{T}{6} - \frac{2}{3} \\\\\rule[225]{225}{2}\)