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kaheart [24]
2 years ago
14

Naomi went on a 6.5 mile hike. In the morning she hiked 1.75 miles, rested,and then hiked 2.4 more miles. She completed the hike

in the afternoon. How much farther did she hike in the morning than in the afternoon?
Mathematics
2 answers:
Ulleksa [173]2 years ago
7 0
She hiked 6.5 miles in total and it basically tells you she hiked 1.75 miles and 2.4 miles in the morning which equals 4.15 miles in the morning. to find how many miles she walked in the afternoon you just subtract the morning miles 4.15 from the total miles 6.5
6.5-4.15=2.35
then to find how many more miles she walked in the morning you just subtract the morning from the afternoon
4.15-2.35=1.8 miles

she hiked 1.8 more miles in the morning
Harrizon [31]2 years ago
4 0

Answer

If Naomi had 6.5, 1.75, and 2.4 to work with, her answer would end up being 1.8 <---

You might be interested in
Find the area of the triangle with the given measurements. Round the solution to the nearest hundredth if necessary. A = 46°, b
horrorfan [7]
We will use the law of cosines
<span>side a² = b² + c² -2bc • cos(A)
</span><span>side a² = 729 + 196 -2*27*14 * cos (46)
</span><span>side a² = 925 -(756 * 0.69466)
</span>side a² = <span><span>399.83704 </span>
side a = </span><span><span><span>19.995925585 </span> </span> </span>
We could round that to 20
a = 20 b = 27 c =14

We can calculate a triangle's area when we know all 3 sides by using Heron's Formula
<span>area = square root (s • (s - a) • (s - b) • (s - c))

where s is the semi-perimeter </span>
semi-perimeter<span> = (side a + side b + side c) ÷ 2</span>
s = (20 + 27 + 14) / 2
s = 30.5
Now we use Heron's Formula
area = square root (s • (s - a) • (s - b) • (s - c))
area = square root (30.5 • (<span>30.5 - 20) • (</span><span>30.5 - 27) • (</span><span>30.5 - 14))</span>
area = square root (30.5 • (10.5) • (3.5) • (<span>16.5))</span>
<span>area = square root (18494.4375)
</span> <span><span><span>area = 135.9942553934  </span> </span> </span>which rounds to
136 square feet
Source:
http://www.1728.org/triang.htm

 




7 0
2 years ago
Aunt Andrea decided to help with decorations for Rachel’s party. Aunt Andrea created a table to find the amount of balloons she
mr Goodwill [35]

Answer:

y=5x

Step-by-step explanation:

Because if you look at it 5x any of them would equal the answer

5 0
2 years ago
Read 2 more answers
Which sequence could be partially defined by the recursive formula f (n + 1) = f(n) + 2.5 for n ≥ 1?
horrorfan [7]

Option C: –10, –7.5, –5, –2.5, … is the sequence that could be partially defined by the recursive formula f(n+1)=f(n)+2.5

Explanation:

The given recursive formula is f(n+1)=f(n)+2.5 for n\geq 1 and f(1)=-10

We need to determine the sequence.

The sequence can be determined by substituting n = 1, 2, 3, 4,....

<u>2nd term of the sequence:</u>

Substituting n = 1 in the formula f(n+1)=f(n)+2.5, we get,

f(1+1)=f(1)+2.5

Simplifying, we have,

f(2)=-10+2.5=-7.5

Thus, the 2nd term of the sequence is -7.5

<u>3rd term of the sequence:</u>

Substituting n = 2 in the formula f(n+1)=f(n)+2.5, we get,

f(2+1)=f(2)+2.5

Simplifying, we have,

f(3)=-7.5+2.5=-5

Thus, the 3rd term of the sequence is -5

<u>4th term of the sequence:</u>

Substituting n = 3 in the formula f(n+1)=f(n)+2.5, we get,

f(3+1)=f(3)+2.5

Simplifying, we have,

f(4)=-5+2.5=-2.5

Thus, the 4th term of the sequence is -2.5

Therefore, the sequence is –10, –7.5, –5, –2.5, …

Hence, Option C is the correct answer.

3 0
2 years ago
Mixing two kinds of candy the price of which was $2 and $4 per pound, Ella got a 10-lb mix of candy, which cost $2.90 per pound.
topjm [15]
1. You have the following information given in the problem above:

 - Ella mixed<span> two kinds of candy the price of which was $2 and $4 per pound.
 - Ella got a 10-lb mix of candy, which cost $2.90 per pound. 
</span>
 2. Therefore, let's call:

 x: pounds of the first kind of candy.
 y: pounds of the second kind of candy.

 3. Then, you have:

 2x+4(10-x)=(2.90)(10)

 4. When you clear x, you obtain:

 2x+40-4x=29
 -2x=29-40
 x=-11/-2
 x=5.5 pounds

 x+y=10
 y=10-x
 y=10-5.5
 y=4.5 pounds
8 0
2 years ago
Now imagine that instead of walking along the path 1→2→3→4→1, ann walks 80 meters on a straight line 33∘ north of east starting
stealth61 [152]

Answer:

Anna's walk  as a vector representation is 80\cos 33^{\circ}\hat{i}+80 \sin33^{\circ}\hat{j} and refer attachment.

Step-by-step explanation:

Let the origin be the point 1 from where Ann start walking.

Ann walks 80 meters on a straight line 33° north of the east starting at point 1 as shown in figure below,

Resolving into the vectors, the vertical component will be 80Sin33° and Horizontal component will be 80Cos33° as shown in figure (2)

Ann walk as a vector representation is 80\cos 33^{\circ}\hat{i}+80 \sin33^{\circ}\hat{j}

Thus, Anna's walk  as a vector representation is 80\cos 33^{\circ}\hat{i}+80 \sin33^{\circ}\hat{j}

 




7 0
2 years ago
Read 2 more answers
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