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Answer:

See Explanation

Step-by-step explanation:

Given

The function is not clear, so I will use:

[tex]x(t) = 2+ 3t + t^2[/tex]

Required

Speed over 2 to 10s

This is calculated as:

[tex]Speed = \frac{x(a) - x(b)}{a - b}[/tex]

Where

[tex](a,b) =(2,10)[/tex]

So, we have:

[tex]Speed = \frac{x(2) - x(10)}{2 - 10}[/tex]

[tex]Speed = \frac{x(2) - x(10)}{-8}[/tex]

Calculate x(2) and x(10)

[tex]x(2) = 2+ 3*2 + 2^2 =12[/tex]

[tex]x(10) = 2+ 3*10 + 10^2 =132[/tex]

So, we have:

[tex]Speed = \frac{12 - 132}{-8}[/tex]

[tex]Speed = \frac{-120}{-8}[/tex]

[tex]Speed = 15[/tex]

Answer:

28.566

Step-by-step explanation:

you use the pythagorean theorem which is a^2 + b^2 = c^2 and plug in those numbers into the equation solving for a. hope this helped!

Answer:

The middle one because there is only 1 value of y for every value of x.

Answer:

x=2

Step-by-step explanation:

Since the are the same equation they are already equal

Answer:

x=2

Step-by-step explanation:

Answer:

x = 63/4  or 15 3/4

Step-by-step explanation:

4(x-11)=19

Distribute

4x -44 =  19

Add 44 to each side

4x-44+44 = 19+44

4x = 63

Divide by 4

4x/4 = 63/4

x =15 3/4

Answer:

[tex]\huge\boxed{Answer\hookleftarrow}[/tex]

[tex]4(x - 11) = 19 \\ 4x - 44 = 19 \\ 4x = 19 + 44 \\ 4x = 63 \\ x = \frac{63}{4} \\ x = 15.75[/tex]

✐ The value of x is 63/4 (in fraction form) OR 15.75 (in decimal form).

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

# ꧁❣ RainbowSalt2²2² ࿐

Answer:

a= 4,3

b=1,2

c=-3,4

d=-1,2

e= -2,-1

f= -4,-3

g=1,-2

h=4,-1

k=-3,0

Answer:

Step-by-step explanation:

cos theta is 5/13

so, adjacent=5 ,hypotenuse=13 and opposite=?

hypotenuse^2=adjacent^2+opposite^2

13^2=5^2+opposite^2

169-25=opposite^2

[tex]\sqrt{144}[/tex]=opposite

12=opposite

sin theta=opposite/hypotenuse

=12/13

Surface area of rectangular prism= 2(wl+hl+hw)

So,

➠ 2(13×9 + 3×9 + 3×13)

➠2 × 183

Ans ➠ 366mm²

Answer:

[tex]Area = 3.66 * 10^{-2}[/tex]

Step-by-step explanation:

Formula to find area of rectangular prism:

[tex]A = 2(wl+hl+hw)[/tex]

Add the values in the formula & solve:

[tex]A=3.66 * 10^{-2}[/tex]

I hope this helps :)

Answer:

$250

Step-by-step explanation:

To find the total multiply 6.25 and 40 together

6.25x40

$250 (Don't forget the dollar sign)

Answer:

250

Step-by-step explanation:

If she work 40 hours and earns $6.25 per hour for 40 hours you multiply howmuch she makes by the amunt of time she worked, so 6.25x40 = 250

Answer:

y = 25

Step-by-step explanation:

Substitute x = 5 into the equation for value of y

y = 3(5) + 10 = 15 + 10 = 25

Answer: hello your question is incomplete attached below is the complete question

answer : AEIJKGFCH

Step-by-step explanation:

The first Image is the first part of the question, to write the correct order of letter to the finish line, we will use the details on the first image.

Hence the Correct order of letter to the Finish line: AEIJKGFCH

Answer:

41

Step-by-step explanation:

To find the volume multiply all 3 numbers together.

2 1/2 x 1 1/2 = 3 3/4

3 3/4 x 3 = 11 1/4

The volume is 11 and 1/4 cubic units

Answer:

22

Step-by-step explanation:

738.00 - 78.00 =  660

Am subtracting because he made a down payment so I can get  the remaining of the money.

Let x = # of months

You use the remaining of the money to divide by 30 because of his monthly payments.

660 / 30x =

x = 22

Divide by 30 to isolate the variable x.

Answer:

I'm pretty sure your answer is 3, -4

Step-by-step explanation:

Answer:

x = 5

y = 6

Step-by-step explanation:

Let's Solve for x-value first:

By the midsegment theorem we can say;

18 = 2x + 8

18 - 8 = 2x

10 = 2x

10/2 = x

5 = x

Now that we have x-value, let's figure out y-value similarly;

22 = 4y - 2

22 + 2 = 4y

24/4 = y

6 = y

There is the answer!

x = 5, and

y = 6

Hope this helps!

Answer:

ez

Step-by-step explanation:

ez

Answer:

25

Step-by-step explanation:

Answer:

Step-by-step explanation:

3*3+2/3-2*6+5/6

=9+2/3-12+5/6

=11/3-17/6

take lcm of the denominator

=11*2-17*1/6

=22-17/6

=5/6

Answer:

5/6

Step-by-step explanation:

3 2/3 - 2 5/6

= 3 4/6- 2 5/6

=5/6

Answer:

A. is not true

Step-by-step explanation:

[tex]\angle{BCA}[/tex] appears to be acute, and [tex]\angle{BCD}[/tex] appears to be its obtuse supplement.

Just to be sure the diagram isn't lying to you, set this up:

4x + 9 + (9x - 11) = 180

13x - 2 = 180

13x = 182

x = 14

[tex]m\angle{BCA}=65^\circ\\m\angle{BCD}=115^\circ[/tex]

Those two angles are not congruent.

Answer:

416 cm^2

Step-by-step explanation:

The formula for the area of a trapezoid is:

[tex]\frac{(b1+b2)*h}{2}[/tex]

where b1 and b2 are the bases and h is the height. We can plug what we have into the formula:

[tex]\frac{(14 + 38)*16}{2}[/tex]

[tex]\frac{(52)*16}{2}[/tex]

[tex]52*8[/tex]

416 cm^2

Answer:

25 squared cm

Step-by-step explanation:

Use the formula A = [tex]\frac{1}{2}[/tex]h ([tex]b_{1} + b_{2}[/tex])

h = height

[tex]b_{1}[/tex] = base 1

[tex]b_{2}[/tex] = base 2

A = [tex]\frac{1}{2}[/tex] (5) (7.2 + 2.8)

A = 25

Answer:

8211 miles

Step-by-step explanation:

Delia flew 2416 miles on the first year of the job

She flew 3719 miles on the second year of the job

She flew 2076 miles more than the first and second year combined on the third year

= 2416+3719

= 6135

= 6135+2076

= 8211

Hence Delia flew 8211 miles on the third year

Answer:

52.70

Step-by-step explanation:

49.95x.055=2.75 tax

49.95+2.75=52.70 total costs

answer:

x = 3

y = 6

step-by-step explanation:

y = 2x

3x - y = 3

3x - 2x = 3

3x - 2x = 3

x = 3

y = 2x

y = 2(3)

y = 6

Answer:

your profit is Double the price that you bought the kits

Step-by-step explanation:

x= cost of kit

you buy it x/2

x/2 + 4.5 .... (1)

x + x/2 +4.5 .... (2)

let x = 40

40/2 + 4.5 = 24.5

40 + 40/2 + 4.5 = 64.5

64.5 - 24.5 = 40

so

you buy it in x/2 = 40/2 = 20

and sell it in x = 40

40/20 = 2

your profit is Double the price that you bought the kits

The profit is Double the price that you bought the kits.

An equation is an expression that shows the relationship between two or more numbers and variables.

We have been given that the cost of the kits on sale for 50% of the original price, plus a shipping fee of $4.50 per kit.

Let x be the cost of kit.

Therefore,

x/2 + 4.5 .... (1)

x + x/2 +4.5 .... (2)

let x = 40

40/2 + 4.5 = 24.5

40 + 40/2 + 4.5 = 64.5

64.5 - 24.5 = 40

Therefore, buy it in x/2 = 40/2 = 20

and sell it in x = 40

40/20 = 2

Hence, the profit is Double the price that you bought the kits.

Learn more about equations here;

https://brainly.com/question/25180086

#SPJ2

Answer:

The Slope Is 0.6

Step-by-step explanation:

Formula: [tex]m=\frac{yb-ya}{xb-xa}[/tex]

Solution:

[tex]m=\frac{-10-2}{-16-4}[/tex]

[tex]m=\frac{12}{-20}[/tex]

m=0.6

Answer:

the answer would be -12/-20 or 0.60

Answer:

A. 3q^2

Step-by-step explanation:

Find the prime factors of each term in order to find the greatest common factor (GCF).