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Grace [21]
3 years ago
10

- Emily hiked along a trail that is

Mathematics
1 answer:
KatRina [158]3 years ago
5 0

Answer:

2.375

Step-by-step explanation:

She travelled 2.25 + 3.375 altogether which equals 5.625

To find out what she has left you minus 5.625 miles from 8 miles

8 - 5.625 = 2.375

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Alex is saving money because she would like to purchase the new video gaming system that everyone has been talking about after t
tino4ka555 [31]

it is not precice, but it is about 19 dollars.

4 0
3 years ago
Pls help me I'm taking a test and it's due in 30 mins idk this.
inessss [21]

Answer:

. y2 = 12x 40:12 :3 2. x² = -8y 408 3. (x + 2)2 = -4(y-1). \(-2,1) opens v. F-2,0) ... F (0:2). V(0,-2). F(4,2)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The following two triangles are similar find x
slavikrds [6]

Answer:

5

Step-by-step explanation:

As we can see they are similar triangles then

the ratio of the corresponding sides are equal then

x /25 = 9/45

x = 25 * 1/ 5

x = 5

Hope it will help :)

5 0
3 years ago
Read 2 more answers
1/16^3x=64^2(x+8)<br> Solve for x.
SSSSS [86.1K]

Answer:

x = -4

Step-by-step explanation:

16 = 4*4 = 4²

64 = 4 * 4* 4 = 4³

(\dfrac{1}{16})^{3x}=64^{2*(x+8)}\\\\\\(16^{-1})^{3x}=64^{2x + 16}\\\\\\16^{-3x}=64^{2x +16}\\\\(4^{2})^{-3x}=(4^{3})^{2x+16}\\\\4^{-6x}=4^{6x +48}

As bases are same, compare exponents

6x + 48 = -6x  

Subtract 48 from both sides

6x = -6x - 48

Add '6x' to both sides

6x + 6x = -48

12x = -48

Divide both sides by 12

x = -48/12

x = -4

3 0
2 years ago
Nicole and adam are each saving money for a car. the total amount of money nicole will save is represented by the function f (x)
Yakvenalex [24]
For this case we have the following functions:
 f (x) = 36 + 4x
 g (x) = x2 + 15
 By matching both functions we have:
 f (x) = g (x)
 36 + 4x = x2 + 15
 Rewriting we have:
 x2 + 15 - 4x - 36 = 0
 x2 - 4x - 21 = 0
 Solving the polynomial we have:
 (x-7) (x + 3) = 0
 x = -3
 x = 7
 Taking the positive root we have:
 x = 7
 Answer:
 
They will have the same amount of money saved after:
 
x = 7 weeks
8 0
3 years ago
Read 2 more answers
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