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Vlada [557]
3 years ago
10

Write a real world situation that could be modeled by the equation 30 X equals 48+22

Mathematics
1 answer:
frez [133]3 years ago
3 0
Bob got did 30 sit up every day for X days. X is equal to 48+22. How many days did Bob do 30 sit ups?
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If tan A= 1,what is the value of A​
xxMikexx [17]

Answer:

45°

Step-by-step explanation:

Ok, so, there is one thing I need to point out. 45° is the 'main' value if you assume 0°<A<180°. However, sin,  cos, and tan have different periods which means that there are infinite values of A where tanA = 1. The general notation that you could put is A = 45° + (n*180°) where n is just a number. For example, if n = 1, you would get an angle of 225°. If you plug tan225° into the calculator, you get 1. If you did radians, you could write A = \frac{\pi}{2} + n\pi. But ignore that if you haven't. Basically, the answer would be 45° if you are assuming A is between 0° and 180°. Also, you could have just used your calculator and types inverse tan function (tan^{-1}) and plug in 1 to find the primary answer of 45.

6 0
3 years ago
Julio gets paid $10.00 an hour to babysit his cousins 4 hours a week. He allows himself to spend $7.00 a week and he saves the r
IRINA_888 [86]
$165.00

$10*4= $40

$40 x 5 = $200
$200- (5 x $7)
$200-35
$165
4 0
3 years ago
To the nearest tenth, what is the length of the hypotenuse of an isosceles right triangle with a leg of 7 3 inches? A) 15.7inche
Soloha48 [4]
Very sure it’s C trust the process
4 0
3 years ago
Read 2 more answers
Dee Anna has a roast that weighs 5.5 pounds. The recipe she is using calls for a roast that is 80 ounces. How many ounces does s
Maslowich

Answer:

24

Step-by-step explanation:

well yea just trust me :)

6 0
2 years ago
Read 2 more answers
The length of a rectangle is 2 feet less than twice the width. The area of the rectangle is 180 feet squared. Find the length an
Ksenya-84 [330]

Answer:

Width=10

Length=18

Step-by-step explanation:

The length is 2 feet less then twice the width

Let the width be x.

Then the length is 2x -2 based on the given information. Use this to make an equation since it is known that the area is 180feet squared.

x(2x-2)=180

2x^2 - 2x - 180 = 0

2( x^2 - x - 90) = 0

We now have a factorable quadratic.

2(x+9)(x-10)=0

So by zero product property, x=-9, x=10 Since a measure cannot be negative, -9 is an extraneous solution.

So x=10

Then the width is 10 and the length is 18

Hope this helps! Let me know if it is correct!

3 0
3 years ago
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