Answer:
[tex]cos\theta=\frac{3}{5}[/tex]
Step-by-step explanation:
Since [tex]sin\theta=0.8[/tex] is the same as [tex]sin\theta=\frac{4}{5}[/tex] and [tex]sin\theta=\frac{opposite}{hypotenuse}[/tex], then we know that the side opposite to the angle [tex]\theta[/tex] is 4 units and the hypotenuse is 5 units.
Because [tex]cos\theta=\frac{adjacent}{hypotenuse}[/tex], then we have to find the adjacent side to the angle [tex]\theta[/tex] using the Pythagorean Theorem:
[tex]a^2+b^2=c^2\\\\(adjacent)^2+(opposite)^2=(hypotenuse)^2\\\\(adjacent)^2+4^2=5^2\\\\(adjacent)^2+16=25\\\\(adjacent)^2=9\\\\adjacent=3[/tex]
Therefore, since the adjacent side is 3 units, then [tex]cos\theta=\frac{3}{5}[/tex]
does anyone know the answer?
Answer:
Part A: 9.75x > 195
Part B: x > 20
Step-by-step explanation:
Let's say Mark works for x hours. For each hour he works, 9.75 dollars are added to Mark's salary. Therefore, for 1 hour, he gets $9.75, for 2 hours, he gets $9.75 + $9.75 = $9.75 * 2 = $19.50, and for x hours, he gets $9.75 * x as his salary.
We want his salary to be more than $195, so we have $9.75 * x (his salary) > $195, which can be written as 9.75x > 195
divide both sides by 9.75 to solve for x
x > 20
Graph y=2x-7 (pls hurry!)
Put y = 2x - 7 into a graphing website and it'll show you (0, -7), (1, -5).
Question is in the image
Answer:
A is the correct answer
This Is due tomorrow I really need the help, please make the answer short and simple
Answer:
Step-by-step explanation:
21.019=d
21.019+4=25.019 ft of rope
25.019x.45=11.26
He willpay $11.26 for the rope
An equation of the circle with center (h, k) and radius r is (−ℎ)^2+(−)^2=^2
Answer:
An equation of the circle with center (h, k) and radius r:
[tex](x-h)^2+(y-k)^2=r^2[/tex]
Step-by-step explanation:
Not sure what you need to find out but,
An equation of the circle with center (h, k) and radius r:
[tex](x-h)^2+(y-k)^2=r^2[/tex]
What’s the correct answer for this question?
Answer:
30 ounces
Step-by-step explanation:
1 chain = 10 pounds per foot
3inches = ?
therefore
? = 30 ounces
Sum of two numbers 80 and difference is 40. Find two
numbers.
Answer:
The two numbers are 20 and 60
Step-by-step explanation:
Two numbers: x and y
x + y = 80
x - y = 40
x = y + 40
Substitute x
y + 40 + y = 80
2y + 40 = 80
2y = 40
y = 20
Substitute y, so x = 60
given g(x)=5x+3, find g(4)
Answer:
g(4) = 23
Step-by-step explanation:
g(x)=5x+3, find g(4)
g(4) = 5(4) + 3
g(4) = 20 + 3
g(4) = 23
Hope that helps!
Answer:
[tex] \boxed{g(4) \: is \: 23}[/tex]
Step-by-step explanation:
given :
g(x) = 5x + 3
find g(4)
Answer :
substitute 4 into the equation of function
[tex] g(x) = 5x + 3[/tex]
[tex]g(4) = 5(4) + 3[/tex]
[tex]g(4) = 20 + 3[/tex]
[tex]g(4) = 23[/tex]
the diameter of the circle X is 12 centimeters. The diameter of the circle Y is 8 centimeters.
Which measurement is closest to the difference between the circumference of circle X and the circumference of circle Y in centimeters.
Answer:
20
Step-by-step explanation:
All you do add because it is with even numbers
Give an example using the subject of time to describe how to number patterns are related. go math 5th grade 563 9.5
Answer:
they are related by numbers
The person who started Educational system ,was really educated?
If you have any doubt in maths you can ask ?
Answer:
me plase me me please meeee
Answer:
Education is started when humans arose in the world.
Step-by-step explanation:
I am unable to understand the laws of sin cosin tan cot sec etc
Vince worked 559 hours in 13 weeks. At what rate did he work in hours per week?
Answer:
Step-by-step explanation:
43 hours per week i think
Answer:
40 hours per week (40:1)
Step-by-step explanation:
559 / 13 = 39.93
39.93 rounded to the nearest whole number is 40.
i need help woth this quadratics questions, confused, i think the answer is 24 but the answer key says 34
Answer:
then it's 34... sometimes I have a hard time understanding a math problem and I feel that... I suggest using Math*way without the (*) it helped me a lot through high school and college check it out see if you like it
Step-by-step explanation:
Write the trinomial as a square of a binomial or as an expression opposite to a square of a binomial: -1 + 4a -4a^2
Answer:
-(1 - 2a)^2
Step-by-step explanation:
-1 + 4a - 4a^2
= -[1^2 - 2*1*(2a) + (2a)^2]
= -(1 - 2a)^2
Answer:
Step-by-step explanation:
Begin by taking out the minus
-(4a^2 - 4a + 1) The answer is the square root of the 1st and 3rd terms.
√4a^2 = 2a
√1 = 1 Since middle term is minus, one of 2a or 1 must also be minus
Usually the one is made minus.
That leaves you with a perfect square
- (2a - 1)^2 There are more ways than 1 to write this, but I think this is the clearest answer
Solve the compound inequality x + 6 > 4 and 3x + 5 < 5
Answer:
[tex]x + 6 > 4 \\ x > 4 - 6 \\ x > - 2 \\ and \\ 3x + 5 < 5 \\ 3x < 5 - 5 \\ 3x < 0 \\ \frac{3x}{3} < \frac{0}{3} \\ x < 0 \\ therefore \\ - 2 < x < 0 [/tex]
Pllllease help mmmme
Answer:
21/38
0.553
Step-by-step explanation:
There are 63 married males out of the total 114 males.
So the fraction is 63/114. That is simplified into 21/38
Then divide 38 by 21 to get the decimal form.
38÷21=0.55263...
The radius of circular pipe is 12cm,what length of tape is required to wrap once around the pipe(use pie =3.14)
Answer:
75.36 cm
Step-by-step explanation:
We need to find the circumference of the pipe.
Circumference of a circle = 2[tex]\pi[/tex]r (where r is the radius)
Given:
r = 12 cm[tex]\pi[/tex] = 3.14⇒ circumference = 2 x 3.14 x 12 = 75.36 cm
HELP!!! The number in front of a variable is known as a coefficient. What operation do we assume is in between the number and the variable. Example: 2x o addition O subtraction O multiplication O division
if you are going 55 miles per hour how long will it be til you go 70 miles
Answer
time = 60 miles / (55 miles/hour) = (60/55) (miles/(miles/hour)) = 1.09 hour
Step-by-step explanation:
Speed = distance / time
A bit of algebra will get you the formula
time = distance/speed
Answer:
15sec if its a lamboghihi
Step-by-step explanation:
I will give brainliest to the correct answers! yep that's YOU
Answer: Yes, because the amount of money you save for every beverage bought is constant, and if you buy 0 beverages, you’ll save $0. That means it the situation is graphed, the line produced will be linear and crosses through the origin, which are the requirements for a proportional relationship.
Solve for b.
b
-1 = 5
4
b = 1
Answer:
B= 16
b/4 - -1 =5 is the same as b/4 + 1 = 5
b/4 + 1 = 5
- 1 both sides
b/4 = 4
x 4 both sides
b=16
16/4 - -1 =5
4 + 1 = 5
- - Means add
+ + Means add
- + Means take away or minus
Hope this helps!
[tex] \frac{b}{4} - ( - 1) = 5 \\ \\ \frac{b}{4} + 1 = 5 \\ \\ \frac{b}{4} = 5 - 1 \\ \\ \frac{b}{4} = 4 \\ \\ b = \frac{4}{4} \\ \\ b = 1.[/tex]
The value of b is 1 .
A real estate broker sold your house for $189,000 The broker's commission was 4.5% of the selling price. How much would you get for the house after the commission is paid ?
Answer: $180,495 is the take-home after the broker's commission.
Step-by-step explanation:
HELP PLEASE! whats the height and base??
Answer: 7.5
Step-by-step explanation:
Area of the bottom left triangle = 4x3/2 = 6
Bottom right = 6x3/2 = 9
Top right = 3x4/2 = 6
Top left = 6x3/2 = 9
6+9+6+9 = 30
Each square unit is 4
So the answer should be 30/4 = 7.5
Hope this is correct
A birch tree that is 4 ft tall grows at a rate of 1 ft per year. A larch tree that is 6 ft tall grows at a rate of 0.5 ft per year.
Let the variable t represent time in years and let the variable h represent height in feet.
In how many years will the trees be the same height?
Which system of equations can be used to solve this problem?
{h=1+4th=0.5+6t
{h=4+th=6+0.5t
{h=5th=6.5t
{h=4−th=6−0.5t
Answer:
h=1+4th=0.5+6t
Step-by-step explanation:
you have to multiply t and h by four and 1 separately
Answer:
H=4+t
H=6+0.5t
Step-by-step explanation:
Took the test the other answer is wrong.
The ratio of men to women working for a company is 2 to 3. If there are 87 women working for the company, what is the total number of employees?
For each line, determine whether the slope is positive, negative, zero, or undefined.
Answer:
1. Undefined
2. Negative
3. Zero
4. Positive
Step-by-step explanation:
1. Undefined, the line moves in both directions vertically. It's impossible to tell what the slope is.
2. Negative, the line is decreasing at a constant rate, the slope is negative.
3. Zero, the line doesn't increase or decrease, therefore the slope is 0. (No changes)
4. Positive, the line is increasing at a large rate, the slope is positive.
The movement
Find the Least Common Denominator. Then, express each fraction using the Least Common Denominator.
7/10 and 5/6
Answer:
LCM of 7/10- 70
LCM of 5/6- 30
Step-by-step explanation:
Solution:
To find the Least common denominator (LCD) of 7/10 and 5/6, we need to find the Least common multiple of 10 and 6.
I found the LCM through division method. Refer to image attached~
We can tell that:
The LCM is 2 x 3 x 5, which when simplified, we obtain 30. The LCD is 30.Now, let's multiply the denominators and the numerators such that 30 is the denominator in both fractions.
=> 7/10 = 7 x 3/10 x 3 = 21/30=> 5/6 = 5 x 5/6 x 5 = 25/30The fractions are:
21/30 and 25/30height of trapezium if the area given is 124
Short base: 12 cm
Long base: 19 cm
Height:?
Answer:
A= 0.5 x (a+b) x h
124 = 0.5 x (12+19) x h
124 = 15.5 x h
÷15.5
h = 8cm
0.5x(12+19) x 8 does gives 124
Thus, height is 8cm.
Hope this helps!
answer both questions and get 20 points and brainliest
Answer:
item 30.
d. 1 ½ as we can see the difference between the each x value is 2 and y value is more of 1 and 2.
items 31.
a. ⅖ as similar to upper question the difference between each x value is 2 and y value is 5 so ⅖
What is the volume of this sphere?
Use a = 3.14 and round your answer to the nearest hundredth.
2 in
Answer:
33.49 cubic inches
Step-by-step explanation:
the volume of a sphere is represented by (4/3)pi(r)^3
pi is 3.14 and r is 2
so 4/3(3.14)(2^3)
2^3 is also 8
4/3(3.14)(8)
the final answer is 33.4933333
OR when rounded it is 33.49
Statement:
The radius of the sphere is 2 inches.
To find out:
The volume of the sphere.
Solution:
Radius (r) = 2 inπ we have to consider as 3.14.We know, volume of a sphere [tex] = \frac{4}{3} \pi \: {r}^{3} [/tex]Therefore, the volume of the sphere[tex] = \frac{4}{3} \times 3.14 \times {(2)}^{3} \: \: cubic \: \: inches \\ = \frac{4}{3} \times 3.14 \times 8 \: \: cubic \: \: inches \\ = 33.49 \: \: cubic \: \: inches[/tex]
Answer:
The volume of the sphere is 33.49 cubic inches.
Hope you could understand.
If you have any query, feel free to ask.