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3 years ago

Brainliest and lots of points

Mathematics

1 answer:

Bas_tet [7]3 years ago

6 0

Answer:

Step-by-step explanation:

I(x)=P(13x) = 2(13x)²+3(13x) +4

I(x)=P(13x).= 338x²+39x+4

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Which statement best describes the faces that make up the total surface area of this composite solid?

Elena L [17]

Answer:

Step-by-step explanation:

7 0

2 years ago

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A plane flew 525 miles in 1.75 hours. Find the average speed of the plane.

ale4655 [162]

We are trying to find the average speed of the plane, which is mph, or $\dfrac{\textrm{miles}}{\textrm{hour}}$ . Using proportions, we can find the average speed of the plane in mph:

$\dfrac{525 \,\, \textrm{miles}}{1.75 \,\,\textrm{hours}} = \dfrac{x \,\, \textrm{miles}}{1 \,\,\textrm{hour}}$

Use the information from the problem to create a proportion. Remember that we are looking for mph, so we will call that $x$ .

$\dfrac{525}{1.75} \,\textrm{miles} = x \,\textrm{miles}$

Multiply the entire equation by $1 \,\textrm{hour}$

$\dfrac{525}{1.75} = 300 = x$

Divide both sides of the equation by $1 \,\textrm{mile}$ to clear both sides of the mile unit

The average speed of the plane is 300 mph.

6 0

3 years ago

There are 40 vehicles in a parking lot. Twenty percent of the vehicles are pickup trucks. how many pickup trucks are in the park

REY [17]

There would be 8 pickup trucks in the parking lot.

5 0

3 years ago

Get 20 points, Plz help me with this question, and give the right answer cause it's important

Aliun [14]

Answer:

B, C, and D

Step-by-step explanation:

Just some simple maths, look at it like railroad tracks and act it out as such, with lines a and b being parallel. Angle 6 is 75, Angle 1 is 105

5 0

2 years ago

PLS HELP WILL AWARD BRAINLIST!!!! PLS HELP DUE Tomorrow

Serhud [2]

Answer:

72º

Step-by-step explanation:

Angles at a point = 360º

Number of wedges = 5

Angle of each wedge

= 360 ÷ 5

= 72º

3 0

3 years ago