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4 years ago

For ∠Z, create trig ratios for sin, cos, and tan:

Mathematics

2 answers:

Murrr4er [49]4 years ago

4 0

Answer:

sin =9/15

Step-by-step explanation:

madreJ [45]4 years ago

4 0

Let Z = measure of angle Z in terms of sin, cos, and tan.

sin Z = 9/15

cos Z = 12/15

tan Z = 9/12

You can reduce each fraction to the lowest terms if needed.

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How do you solve 5÷(4-3)×9-2

4vir4ik [10]

5÷(4-3)×9-2
= 5÷1×9-2
= 5 × 9 - 2
= 43

You must solve the bracket first.After that,solve the multiplication and division,followed by addition and substraction if any.That's the theory to solve the right step

3 0

3 years ago

Read 2 more answers

All real numbers y greater than or equal to 12?

serious [3.7K]

It is very important to read the question very minutely and then it would be easy to reach a logically correct solution. It is important to note that "y" is greater than or equal to 12 and y is considered as all real numbers. Then we can mathematically represent this situation as
y <span>≥ 12</span>

7 0

3 years ago

I need the answer to this please help

Brums [2.3K]

Answer:

-1/11

Step-by-step explanation:

$\frac{11x}{12} -\frac{1}{6} =\frac{-1}{4}$ add 1/6 to both sides

$\frac{11x}{12} =\frac{1}{6} -\frac{1}{4}$ make the same denominator 12 on the right side

$\frac{11x}{12} =\frac{1}{6}*\frac{2}{2} -\frac{1}{4}*\frac{3}{3}$ solve

$\frac{11x}{12} =\frac{2}{12} -\frac{3}{12} =\frac{2-3}{12} = \frac{-1}{12}$

$\frac{11x}{12}*12 =\frac{-1}{12} *12$ multiply by 12 both sides

11x= -1 divide by 11

x= -1/11

7 0

3 years ago

You have two jobs. One job pays $7 per hour and the other pays $8.25 per hour. You worked 22 hours total last week and earned $1

il63 [147K]

X = 1st job
y = 2nd job

x + y = 22......x = 22 - y
7x + 8.25y = 171.50

7(22 - y ) + 8.25y = 171.50
154 - 7y + 8.25y = 171.50
-7y + 8.25y = 171.50 - 154
1.25y = 17.50
y = 17.50 / 1.25
y = 14 <== 14 hrs at the 8.25 per hr job

x + y = 22
x + 14 = 22
x = 22 - 14
x = 8 <=== 8 hrs at the 7 per hr job

8 0

3 years ago

An automobile travels 34.o mpg of gasoline . how many kilometers does it travel per liter of gasoline ? use these equalities : 1

dusya [7]

Convert the given mileage of the automobile from miles per gallon to kilometers per liter through the given conversion factors.
(34 miles / gallon) x (1.61 km / 1 mile) x (1 gallon / 3.79 L) = 14.44 km/L
Thus, the automobile can travel about 14.44 kilometers per liter of the gasoline.

4 0

4 years ago