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NeTakaya
3 years ago
5

What's 89.45 rounded to the nearest tenth

Mathematics
1 answer:
VMariaS [17]3 years ago
8 0

Answer:

89.5 would be your answer

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4.5 minus d is less than 2.5 substitute 2.5 for D​
Ket [755]

Answer:

d>2

Step-by-step explanation:

4.5-d<2.5

-4.5   -4.5

-d<-2

-d/-1 /-1

d>2

3 0
4 years ago
If sin a = - 4/5<br>and cos a &gt; 0, find tan a and sec a.​
Nina [5.8K]

Answer:

tan(a) = -4/3

sec(a) = 5/3

Step-by-step explanation:

sine is opposite over hypotenuse.  so no we have a triangle with a hypotenuse of 5 and an opposite side relative to some angle a of -4.  the hypotenuse is never negative.  

so draw a right triangle, mark one of the non right angles as a then the side opposite to that is -4 and the hypotenuse is 5.  use the pythagorean theorem to find the remaining angle.  The result could be positive or negative, but the questions specifically tells us we want the positive version.

b^2 + -4^2 = 5^2

b = 3

tangent is opposite over adjacent.  for a we know the opposite is 3now so tan(a) = -4/3

Now, secant is 1/cos, so lets find cos(a)

cos is adjacent over hypotenuse, and we jsut found the adjacent is 3.  so cos(a) = 3/5

Now 1/cos(a) = hypotenuse over adjacent so 5/3

7 0
3 years ago
Trail mix is sold in 1 pound bags Mary will buy some trail mix And repackage it so that each of the 15 members of her hiking clu
Maurinko [17]
150 will be your answer
4 0
3 years ago
Jorge watches cars that pass in front of his house. He counts 25 red cars and 40 cars that are not red. What is the approximate
jenyasd209 [6]

Step-by-step explanation:

firstly you will add

the red cars and non red cars together and which is 65

probability of the red car = 25/65

to the lowest form is the 5/13(D)

8 0
3 years ago
Granite counter tops cost $40 for every square foot. The base pay to install the counter top is $750. Set up a Linear Model repr
vladimir1956 [14]

Answer:

31.5 square feet of counter top

Step-by-step explanation:

x represents the number of square feet

40x + 750 = 2010 subtract 750 from both sides

40x = 1260 divide both sides by 40

x = 31.5

3 0
3 years ago
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