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muminat
3 years ago
15

HELP!!!!

Mathematics
1 answer:
Ksju [112]3 years ago
3 0

Answer:

PoP Goes the wEezLe

Step-by-step explanation:

Everything.

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Volume problem. Will give brainliest if correct
svp [43]

Answer:

<em>$ 33.6 to fill this tank, provided a community cost of $2.8 per gallon</em>

Step-by-step explanation:

1. Let us first find the volume of the gas the tank, by the general multiplication of Base * height ⇒ 11 inches * 1.25 feet * 1.75 feet. For the simplicity, we should convert feet ⇒ inches, as such: 1.25 feet = 1.25 * 12 inches = 15 inches, 1.75 feet = 1.75 * 12 inches = 21 inches. Now we have a common unit, let us find the volume ⇒ 11 in. * 15 in. * 21 in. = 3465 inches^3.

2. Let us say that the the average price of gas in my community is $2.8 per gallon. We would first have to convert inches ⇒ gallons provided 1 gallon = 231 inches: 3465/231 = 15 gallons.

4. Now simply multiply this price of 2.8 dollars per gallon by the number of gallons to receive the cost if the tank was full: 2.8 * 15 = <em>$ 42 if this tank was full provided a community cost of $ 2.8 per gallon</em>

5. Now this tank is 20% full, so we must calculate the cost to fill the other 80% up. That would be 80/100 * 42 = 4/5 * 42 = 168/5 = <em>$ 33.6 to fill this tank, provided a community cost of $2.8 per gallon</em>

8 0
3 years ago
Will Mark Brainliest if show work. FAST!! PLSS? 6x-4=4x-20 Solve for X
vovangra [49]

Answer:

x= -8

collect like term than divide both sides

6x-4x = -20+4

2x= -20+4

2x=-16

x= -8

3 0
2 years ago
Read 2 more answers
Jeremy analyses one of his parachute jumps. He draws a graph showing his velocity up to the opening of his parachute. a) Estimat
jeyben [28]

Answer:

Jeremy's acceleration is about 1\,\frac{m}{s^2}  at t =10 s

His average speed is about 44.5 m/s in this section of his jump approximating with points on the curve (under-estimate)

His average speed is about 46 m/s if using the tangent line (over estimate)

Step-by-step explanation:

Jeremy's acceleration can be estimated by the curve's derivative at that point. That is the slope of the tangent line to the velocity curve at x = 10 sec. Please see attached image where the tangent line is drawn in orange, and the points to use to calculate its slope are drawn in green.

These points are : (6, 42) and (14,50) which using the slope formula give:

slope=\frac{y_2-y_1}{x_2-x_1}= \frac{50-42}{14-6}=\frac{8}{8} \frac{m}{s^2} = 1\,\frac{m}{s^2}

So his acceleration at that point is about 1\,\frac{m}{s^2}

Now, using about the same interval of x-values (from 6 to 14), the corresponding speeds are approximately: 40 (for time 6 seconds) and 49 (for time 14 seconds (look for the red dots on the attached image). Since  the average velocity is given by the integral of the function between those points divided by the length of the interval where it is calculated:

v_{average}=\frac{area}{interval\,\,length}

and we don't have the actual velocity function to estimate the integral, we can approximate this area by that of a trapezoid that connects the red dots with the bottom of the horizontal axis (see red trapezoid in the image). Clearly from the image, this approximation would give us an under-estimate of the actual average speed.

The area of this trapezoid is: approximately:

Trapezoid\,\, area=(49+40)\,8/2=356

Then the average velocity estimated from it is:

v_{average}=\frac{356}{8} \frac{m}{s} =44.5\,\frac{m}{s}

If the area is approximated instead with the trapezoid form by the green points we used to calculate the acceleration (this would give us an over-estimate):

Trapezoid\,\, area=(50+42)\,8/2=368

Then the average velocity estimated from it is:

v_{average}=\frac{368}{8} \frac{m}{s} =46\,\frac{m}{s}

while his actual instantaneous velocity seems to be about 46 m/s from the graph

4 0
3 years ago
Pleaseee (correct answer pls)
Flauer [41]

Answer:

What is the question

Step-by-step explanation:

Have a great day

6 0
3 years ago
Trying to find the missing segment to the triangle in the attached image.
KIM [24]

Answer:

36 units.

Step-by-step explanation:

we will use concept of basic proportionality theorem,

it states that , when a line is drawn parallel to one side of the triangle and intersect the other two sides then the two sides are divided in the same ratio.

Example:

In a triangle ABC

If  DE is  parallel to BC

D is a point on line AB and E is  point on AC, then

by basic proportionality theorem)

AD/DB = AE/EC

_____________________________________

in the problem  given one side has a parallel line drawn to it

Hence we can use basic proportionality theorem in it

20/30 = 24/?

2/3 = 24/?

=> ? = 24*3/2 = 36

Hence, missing segment value is 36 units.

8 0
3 years ago
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