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OLga [1]
3 years ago
9

What’s the midpoint of (-2,4) and (7,3)

Mathematics
1 answer:
kirill115 [55]3 years ago
8 0

Answer:

the midpoint is (5/2, 7,2)

Step-by-step explanation:

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The total stopping distance T for a vehicle is T = 2.5x + 0.5x 2 , where T is in feet and x is the speed in miles per hour. Appr
Kobotan [32]

Answer:

%  change in stopping distance = 7.34 %

Step-by-step explanation:

The stooping distance is given by

T = 2.5 x + 0.5 x^{2}

We will approximate this distance  using the relation

f (x + dx) = f (x)+ f' (x)dx

dx = 26 - 25 = 1

T' =  2.5 + x

Therefore

f(x)+f'(x)dx = 2.5x+ 0.5x^{2} + 2.5 +x

This is the stopping distance at x = 25

Put x = 25 in above equation

2.5 × (25) + 0.5× 25^{2} + 2.5 + 25 = 402.5 ft

Stopping distance at x = 25

T(25) = 2.5 × (25) + 0.5 × 25^{2}

T(25) = 375 ft

Therefore approximate change in stopping distance = 402.5 - 375 = 27.5 ft

%  change in stopping distance = \frac{27.5}{375} × 100

%  change in stopping distance = 7.34 %

6 0
3 years ago
What is ten times as great as 450?
lesantik [10]

Answer: The answer is 4,500.

Explanation: 450 x 10 = 4,500.

6 0
2 years ago
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Consider the triangle.
BigorU [14]

Answer:

It's the second answer down : Angle B, A and C

Step-by-step explanation:

7 0
3 years ago
James invested $250 in a savings account for 16 years. At the end of 16 years, his savings account had $700 in it.
Nikolay [14]
I=Prt
700=(250)*r*(16)
700=4000*r
700/4000-(4000*r)/4000
0.175=r
17.5%=r

The simple interest rate is 17.5%
5 0
3 years ago
If a point on the pre-image has coordinates (3.-4), and the coordinates of Its Image are (12,-16), what scale factor was
Ksenya-84 [330]

Answer:

scale factor of 4

Step-by-step explanation:

3 times 4 equals 12

-4 times 4 equals -16

3 0
3 years ago
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