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3241004551 [841]
3 years ago
15

I am a number between 60 and 100.My ones digit is two less than my tens digit

Mathematics
1 answer:
svetlana [45]3 years ago
8 0
Ur answer should be 97
Hope this helps u:)
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What is the value of x in the diagram?
dalvyx [7]

Answer:

x = 30

Step-by-step explanation:

here 50 is hypotenuse as it is opposite of 90 degree.

x and x + 10 are the two other smaller sides of a right angled triangle respectively.

using pythagoras theorem,

a^2 + b^2 = c^2

x^2 + (x + 10)^2 = 50^2

x^2 + x^2 + 20x + 100 = 2500

2x^2 + 20x + 100 = 2500

2x^2 + 20x + 100 - 2500 = 0

2x^2 + 20x - 2400 = 0

2(x^2 + 10x - 1200) = 0

x^2 + 10x - 1200 = 0

x^2 + (40 - 30) - 1200 = 0

x^2 + 40x - 30x - 1200 = 0

x(x + 40) - 30(x + 40x) = 0

(x + 40)(x - 30) = 0

either x + 40 = 0          OR x - 30 = 0

x = 0 - 40

x = -40

x - 30 = 0

x = 30

x = -40,30

since the length and distance is not measured in negative ur answer will be 30

credit goes to sreedevi102

thank u very much . At first i was wrong and giannathecookie i m really sorry

3 0
3 years ago
Read 2 more answers
While surveying Overlook Cave, Mike measures the angle of elevation from his line of sight to the top of a rock formation as 22°
Kaylis [27]

Answer:

The rock formation is approximately 7 feet tall.

Step-by-step explanation:

<em>We can visualize this situation as a triangle and know that the bottom side is </em><em>10</em><em> and the angle of elevation (the angle created by Mike and the ground, looking to the top of a rock). With this information, we can use tangent to solve.</em>

<em>x = the height of the rock formation</em>

tan(22°) = x/10

10 tan(22°) = x

x = ~4.04 feet

<em>We also have to add the </em><em>3 feet</em><em> to it because it is being measured 3 feet above the floor.</em>

x + 3 = 7.04 feet

7 0
2 years ago
Ocabulary Choose the example of an inverse relationship. A. Multiplying by 4 is the inverse of multiplying by –4. B. Multiplying
n200080 [17]

Answer:

C. Dividing by 4 is the inverse of multiplying by 4.

Step-by-step explanation:

We have been given 4 options. We are asked to choose the option that represents inverse relationship.

We know that inverse of addition is subtraction and vice versa.

We also know that inverse of multiplication is division and inverse of division is multiplication.

Upon looking at our given choices, we can see that option C is the correct choice because we are multiplying and dividing by same number 4. Upon dividing and multiplying a quantity by 4, we will get the same quantity.

\frac{4\cdot a}{4}=a

Therefore, dividing by 4 is the inverse of multiplying by 4.

7 0
3 years ago
What is the 7% of $20.17
KatRina [158]

Answer:$1.41

Step-by-step explanation:

1. Convert from percent to decimal by moving decimal two places over.

2. 0.07 times 20.17 = $1.41


5 0
3 years ago
What's 1/10 at four in the number 42,000
Serhud [2]
42,000 split into 10 is 4,200
if you meant 4 of those then it would be 16,800
6 0
3 years ago
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