Answer:
y ≈ 12.3
Step-by-step explanation:
Using the SOH CAH TOA identity to get the value of y as shown;
sin theta = opposite/hypotenuse
opposite = y
hypotenuse = 15cm
theta = 180-(35+90)
theta = 180-125
theta = 55 degrees
sin 55 = y/15
y = 15sin55
y = 12.287
y ≈ 12.3 (to the nearest tenth)
HELP, i’m struggling and i don’t understand this
Answer:
x=49°
Step-by-step explanation:
2x-8=90°
= 2x=98°
= x=49°
PLS HELPP GETS BRAINLIEST AND 65 POINTS
Answer:
R = 2A + 2Step-by-step explanation:
Given table:
A = 0, 2, 4, 6, 8R = 2, 6, 10, 14, 18The data above shows that:
slope m = (6 - 2)/2 =2y-intercept b = 2The line has equation:
R = 2A + 2The graph is attached and the points included
Answer:
[tex]\Large \boxed{2A+2}[/tex]
Step-by-step explanation:
Two points are (0, 2) and (2, 6)
Calculate slope m
[tex]\displaystyle m=\frac{y_2 - y_1}{x_2 - x_1}[/tex]
[tex]\displaystyle m=\frac{6-2}{2-0}=2[/tex]
Use slope-intercept form
[tex]y=mx+b[/tex]
[tex]y=2x+b[/tex]
b is the y-intercept, y-intercept is (0, 2)
[tex]y=2x+2[/tex]
Determina todo lo que falta a los triángulos rectangulos aplicando las funciones trigonométricas.
Ayúdenme por favor con este ejercicio matemático :(
Answer:
b
Step-by-step explanation:
What is the sum of k° + i°?
Answer:
we have:
k + 70° = 180°
=> k = 110°
u can see that i = 180°
=> k + i = 110° + 180° = 290°
Step-by-step explanation:
Jonathan says he knows that 1/2 of 2 1/2 is 1 1/4 and he knows that 5/8 is almost one half if you use estimation. but he is not sure whether 5/18 x 2 1/2 will be more or less than 1 1/4
Answer:
5/8 x 2 1/2 is more than 1 1/4
Step-by-step explanation:
It is correct
Answer:
C and part b is C
Step-by-step explanation:
i did the test
PLZZZ HELP FAST WILL GIVE BRAINLYEST!!!!!!!!!!!
how does changing the net force on an object change its acceleration????????????
Answer:
Changing the net force on an object can either impress on it even more force in the direction that it is moving, making it go faster, or if you apply more net force on the object against it, then it decreases acceleration
Step-by-step explanation:
Write an equation to represent the phrase: The difference of twice a number and six is four times the number.
Answer:
The answer is
[tex]2x - 6 = 4[/tex]
Step-by-step explanation:
Let The number is x
Then the equation is
[tex]2x - 6 = 4[/tex]
Please help- pls pls
Answer:
45⁰
Step-by-step explanation:
use TanB=(3/3)
B=Tan-¹(3/3)
B=45⁰
help please, what’s the answer to this?
Find the area of the figure and type your result in the empty box. 4 cm 4 cm
The diagonal of a rhombus are 14cmand 10 cm find the area of
rhombus.
I think it’s 2 but just making sure
Answer:
You are correct the answer is 2
Answer:
yeah it should be 2
Step-by-step explanation:
Find y when x = -3 for the following equation: y = 6x + 8 PLS HELP ASAP
Answer:
y= -10
Step-by-step explanation:
y=6(-3)+8
y=-18+8
y= -10
Mr Thompson, This is my homework! Please help.
Problem 1
ax^2+bx+c is standard form(x+p)(x+q) is factored formThere's not much to say about these. You'll just have to memorize the terms. Note with standard form that the exponents decrease as you move from left to right (2,1,0).
===============================================
Problem 2
Other names for zeros are:
A) x interceptsD) solutionsThe term "root" is also applicable here.
===============================================
Problem 3
We set each piece equal to 0 and solve for x. This is the zero product property
f(x) = (x-2)(x+4)
0 = (x-2)(x+4)
(x-2)(x+4) = 0
x-2 = 0 or x+4 = 0
x = 2 or x = -4
The two x intercepts are located at (2,0) and (-4,0)
Answer: Choice C
===============================================
Problem 4
In the last problem, we found the two roots were x = 2 and x = -4
I'll let p = 2 and q = -4.
Average the roots to get (p+q)/2 = (2+(-4))/2 = -2/2 = -1
This is the x coordinate of the vertex. So h = -1
Plug this into the function to find k, which is the y coordinate of the vertex.
k = f(h)
k = f(-1)
k = (-1-2)(-1+4)
k = (-3)(3)
k = -9
The vertex is located at (h,k) = (-1, -9)
This is another way of saying the vertex is when x = -1 and y = -9
Answer: Choice C
Each employee in a company is either right-handed or left-handed.
32 of the 54 employees are female.
18 of the 41 right-handed employees are male.
Complete the frequency tree for this information.
right-handed
32
left-handed
female
54
18
right-handed
left-handed
male
Total marks: 3
Answer:
Right handed 41
Right handed male 18
Right handed female 23
Male employees 22
Female employees 32
Left handed 13
Left handed male 4
Left handed female 9
Given f(x) = ax + b/x,
f(1) = 1, and f(2)= 5, find constants a and b
Answer:
a = 3, b = - 2
Step-by-step explanation:
Given f(1) = 1 and f(2) = 5, that is
substitute x = 1 and equate to 1, substitute x = 2 and equate to 5
a + b = 1 → (1)
2a + [tex]\frac{b}{2}[/tex] = 5 → (2)
Multiplying (1) by - 2 and adding to (2) will eliminate a
- 2a - 2b = - 2 → (3)
Add (2) and (3) term by term to eliminate a
0 - [tex]\frac{3}{2}[/tex] b = 3
- [tex]\frac{3}{2}[/tex] b = 3 ( multiply both sides by - [tex]\frac{2}{3}[/tex] )
b = - 2
Substitute b = - 2 into (1)
a - 2 = 1 ( add 2 to both sides )
a = 3
Then a = 3 and b = - 2
help pls
. ________.
Answer:
#8) x = 12
Step-by-step explanation:
vertical angles are congruent
5x + 10 = 70
5x = 60
x = 12
AB =8 and AD=5. What is BC
Answer:
7 or 6 maybe I don't know if both are correct
Plz Help! NUmber 1 and 2! Brainlist for right answer!
Answer:
1 plain plain 2 ham chips
How do you find exact values?
Answer:
Using trigonometric identities: A trigonometric identity is a relationship between trigonometric functions that we can use to find an exact value of a trigonmetric function.Using the unit circle: The unit circle is a circle with its center at the origin and a radius of 1 unit. If we place an angle, θ, with its initial side along the positive x-axis, then the point where the angle's terminal side intersects the unit circle is (cos(θ), sin(θ)).Using reference angles: Reference angles are the smallest angle that the terminal side of an angle makes with the x-axis. As it turns out, trigonometric functions of an angle and its reference angle have the same value, except that they may have different signs.
For example, suppose we want to find the exact value of tan(405°). First, we take a look at the angle 405° on a graph with the unit circle:
in this that the reference angle of 405° is 45°. We can use the fact that tangent is positive in the first quadrant and the rule for reference angles to deduce that tan(405°) = tan(45°). Then we can use the well-known fact that tan(45°) = 1 to get that tan(405°) = 1.
Step-by-step explanation:
at a school 111 students play at least one sport this is 30% of the students at the school how many students are at the school
Mark as Branliest if you like the answer and want to be ansewered frequently within no time
Hiya! Can you guys help me? For all the four questions? It would mean a lot to me, thank you! I also ask if you guys can explain the steps! Thanks. <3
Answer:
A = 28.26 cm², P = 38 units, A = 20 units², C = 43.96 units
Step-by-step explanation:
1) Our area of a circle is πr². Since our r = 3 cm, we can just substitute for r.
A = πr²
A = (3.14)(3)²
A = (3.14)(9)
A = 28.26 cm², like in your work.
2) Our formula for perimeter is 2l + 2w. We substitute for l = 12 and w = 7.
P = 2l + 2w
P = 2(12) + 2(7)
P = 24 + 14
P = 38 units
3) The formula for a triangle's area is A = [tex]\frac{1}{2}[/tex]bh, so we substitute for b = 10 and h = 4.
A = [tex]\frac{1}{2}[/tex] bh
A = [tex]\frac{1}{2}[/tex] (10)(4)
A = [tex]\frac{1}{2}[/tex] (40)
A = 20 units²
4) Circumference is 2πr, and we substitute for r = 7.
C = 2πr
C = 2(3.14)(7)
C = (3.14)(14)
C = 43.96 units
Sonia estimates that about 1 out of every 10 people is left-handed at her school. I f there are 160 students in her school, what is a reasonable number of left-handed students at Sonia's school?
Answer:
16
Step-by-step explanation:
So turn it into a percent, 1/10 is .1 or 10% so .1 x 160 = 16
Or you can divide 160/10 = 16, either way, there would be 16 left-handed students out of 160.
pls give me the height only!!
Answer: Height = 41 in
Step-by-step explanation:
Alrighty, I was trying to dodge this question but I guess I'll have to split my brain cells.
To find the Height we can turn the information we have into an equation
15,577.54 = 3.14 * 11 ^ 2 * h
we do some distrubutive property
15,577.54 = 3.14 * 121 * h
15,577.54 = 379.94 * h
15,577.54 = 379.94h
divide by 379.94
H = 41
THE HEIGHT IS 41 YAY ( My head hurts )
PLS HELPP! :)
What is the radius with a circumference of 122 in?
Answer:
this is the answer r≈19.42in
because you radius with a circumference of 122in
and that's your answer
Step-by-step explanation:
hope it works
PLSS HELP!!
Add:
(i) x + 5y
3x + y
Answer:
your answer will be 4x+6y+i
Step-by-step explanation:
hope it helps :)
Can someone help me?! The picture is below you don’t have to explain if you don’t want to!!
Answer:
(a) 3:4
(b) 3:4
(c) 9:16
Step-by-step explanation:
(a) The ratio of the sides would be 15:20 but after you simplify them (divide by 5), you'd get 3:4
(b) The ratio of the perimeter would be 60:80 because you're multiplying each side length by 4. When you simplify this again (divide by 20), however, it becomes 3:4 again
(c) To find the area, you would multiply the width times height, the ratio would be 225:400. You would get the greatest common factor which is 25 and divide it on both sides to get 9:16
what is the equation for this graph?
Answer:
I don’t know I think it is 1,8 tho
Step-by-step explanation:
Sorry if it’s wrong
Answer:
y= -4x+8 or -4/1x+8
Step-by-step explanation:
8 is the slope and it is positive
Rise over run is Right 4 and down 1 so that is Plus 4 and negative 1
K is no greater then 9.
The lesson is Solving 2 step inequalities
How many 1/4 unit cubes does it take to fill the prism?
Answer:
Each cube with side lengths of 1/4 have a volume of (1/4)3 which means each cube's volume is 0.015625 cubic units. To find how many cubes are needed to fill the prism, divide 3 cubic units by 0.015625 cubic units. Your answer will be 192 cubes.
Step-by-step explanation: Furthermore, how many 1/4 unit cubes does it take to fill the prism? Each cube with side lengths of 1/4 have a volume of (1/4)3 which means each cube's volume is 0.015625 cubic units. To find how many cubes are needed to fill the prism, divide 3 cubic units by 0.015625 cubic units. Your answer will be 192 cubes. you welcome