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77julia77 [94]
3 years ago
14

Sarah left on the interstate at a speed of 65 mph. Her sister, Kendra, followed her on the same route, leaving 2

Mathematics
2 answers:
Olenka [21]3 years ago
8 0

Answer:

26 Hours

Step-by-step explanation:

65 x 28 = 1820

70 x 26 = 1820

This is when they will be right next to each other

BARSIC [14]3 years ago
8 0
It’s 26 hours

Explanation;;
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If the perimeters of each shape are equal, which equation can be used to find the value of x? A triangle with base x + 2, height
Tju [1.3M]

Correct question :

If the perimeters of each shape are equal, which equation can be used to find the value of x? A triangle with base x + 2, height x, and side length x + 4. A rectangle with length of x + 3 and width of one-half x. (x + 4) + x + (x + 2) = one-half x + (x + 3) (x + 2) + x + (x + 4) = 2 (one-half x) + 2 (x + 3) 2 (x) + 2 (x + 2) = 2 (one-half x) + 2 (x + 3) x + (x + 2) + (x + 4) = 2 (x + 3 and one-half)

Answer: (x + 2) + x + (x + 4) = 2 (one-half x) + 2 (x + 3)

Step-by-step explanation:

Given the following :

A triangle with base x + 2, height x, and side length x + 4 - - - -

b = x + 2 ; a = x ; c = x + 4

Perimeter (P) of a triangle :

P = a + b + c

P =( x + 2) + x + (x + 4) - - - (1)

A rectangle with length of x + 3 and width of one-half x

l = x + 3 ; w = 1/2 x

Perimeter of a rectangle (P) = 2(l+w)

P = 2(x+3) + 2(1/2x)

If perimeter of each same are the same ; then;

(1) = (2)

(x + 2) + x + (x + 4) = 2(x+3) + 2(1/2x)

7 0
3 years ago
4th term of (4x-y)^9
Neko [114]
Now, let's do the same as we did for the previous one here.

\bf (4x-y)^9\implies 
\begin{array}{llll}
term&coefficient&value\\
-----&-----&-----\\
1&+1&(4x)^9(-y)^0\\
2&+9&(4x)^8(-y)^1\\
3&+36&(4x)^7(-y)^2\\
4&+84&(4x)^6(-y)^3
\end{array}

notice again, how did we get 84 for the 4th element's coefficient? well 36 * 7 / 3.  and so on.  And you can just expand it from there.
3 0
3 years ago
Anyone else failing everything and feel like dyin
Alik [6]

Answer:

I failed math twice

Step-by-step explanation:

8 0
3 years ago
Mrs. Garcia is painting a portion of her wall as shown.
Alexandra [31]

Answer:

Step-by-step explanation:

3 0
3 years ago
How much time has passed 4:33-8:12
kirill115 [55]

Answer:

3 hours 39 minutes

Step-by-step explanation:

4:33 + 0:39 = 5:12

5:12 + 3:00 = 8:12

3 0
3 years ago
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