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____ [38]
3 years ago
15

write about how many rotations does the bike wheel make when the bike travels 1 mile explain or show your reasoning

Mathematics
1 answer:
tatuchka [14]3 years ago
7 0

Answer:

it takes 11,600

Step-by-step explanation:

because a mile is 5,280 feet and both of you feet are moving the wheels and that should be multiplied by 2.

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What’s the answer and how did you get it? i’m confused
Sidana [21]

Answer:

The answer is 3.

Step-by-step explanation:

Because you should put the gh with gh, 2  is equivalent to 2 (so the 2 disappeared) and you only have 8-7=1 plus 2=3.

7 0
3 years ago
Read 2 more answers
a woman has $28,000. part is invested for one year in a certificate of deposit paying 7% interest, and the remaining amount in c
alexira [117]

Answer:

Amount invested at 7% = 16000

Amount invested at 9% = 12000

Step-by-step explanation:

Let x be the amount invested at 7% and y be the amount invested at 9%.

Since the total amount invested is $28000, therefore, we can set up the first equation as:

x+y=28000

Secondly, we are give that sum of two investments is $2200. Therefore, we can write the second equation as:

0.07x+0.09y=2200

Now we need to solve these two equations to get the values of x and y.

First of all, we multiply the second equation with 100 in order to get rid of decimal values.

(0.07x+0.09y)*100=2200*100\\7x+9y=220000

Let us use substitution method here. First of all we will solve for y from first equation and plug that into second equation.

y=28000-x

7x+9(28000-x)=220000\\7x+252000-9x=220000\\-2x=-32000\\x=16000

Therefore, amount invested at 7% is $16000 and amount invested at 9% is 28000-16000=$12000.

7 0
3 years ago
Triangle DEF is reflected over the y-axis, and then translated down 4 units and right 3 units. Which congruency statement descri
vovikov84 [41]

9514 1404 393

Answer:

  B.  ΔDEF ≅ ΔSRU

Step-by-step explanation:

Reflection changes corresponding vertices from CCW order to CW order. Vertex D gets reflected to (-6, 4), then translated to (-3, 0). After this transformation, its image is vertex S. The vertices in CW order from S are SRU. Hence, ΔDEF ≅ ΔSRU, matching choice B.

3 0
3 years ago
Help please! This is confusing me
lana66690 [7]

Answer:The answer is $2.88 that is decreased from $57.60  and the answer for a is 0.57 is the decimal for 4/7 and the percentage of that is 57.14%.

5 0
3 years ago
Which expression is equivalent to -3(2m-1) -n? <br><br> 6m-n-3<br> 6m-n+3<br> -6m-n-3<br> -6m-n+3
kirill115 [55]

ghjjkkiihccukckugcugcliyfyi

5 0
3 years ago
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