Answer:
16
Step-by-step explanation:
dot product = x1x2 + y1y2
= (-5)(-8 + (4)(-6)
= 40 - 24
= 16
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A circle has a radius of 6 feet. Calculate the area of the
sector formed by a central 30° angle
Answer:
The area of the sector is 9.43 ft^2
Step-by-step explanation:
Here, we want to find the area of the sector with a central angle of 30 degrees
To do this, we use the formula below;
Area of sector = theta/360 * pi * r^2
theta = central angle = 30 degrees
r = radius = 6 ft
Thus, we have it that;
Area of sector = 30/360 * pi * 6^2
= 30/10 * pi = 3 * 3.142 = 9.43 ft^2
In \triangle UVW,△UVW, \overline{VW}\cong \overline{UV}
VW
≅
UV
and \text{m}\angle V = 71^{\circ}.m∠V=71
∘
. Find \text{m}\angle U.m∠U.
Answer:
m∠U = 54.5°
Step-by-step explanation:
ΔUVW is an isosceles triangle. The angles opposite UV and VW are congruent.
That means m∠U = m∠W
Since the measures of the angles of a triangle have a sum of 180, then
m∠U + m∠W + m∠V = 180
m∠U + m∠U + 71 = 180
2 m∠U = 109
m∠U = 54.5°
Help will give brainliest
hello please help prize is brainliest
Answer:
1.) Four
2.) Six
3.) Three
Step-by-step explanation:
Can i get brainliest im one away from becoming an expert
Which option can be modeled by a linear function?
O Adding $2 to a piggy bank each week.
O Lemonade stand profits doubling every week.
O Losing 2% body fat each week.
O Increasing your running speed by 2% each week.
Answer:
adding $2 to a piggy bank each week
Step-by-step explanation:
just took that checkpoint
A certain map scale in which 1/2 inch on the map represents an actual distance of 10 miles. A distance of x miles is represented by how many inches on this map?
Answer:
20x
Step-by-step explanation:
A certain map scale in which 1/2 inch on the map represents an actual distance of 10 miles. A distance of x miles is represented by how many inches on this map?
From the above question:
1/2 inch = 10 miles
x inches = m
Cross Multiply
1/2m = 10x
m = 10x ÷ 1/2
m = 10x × 2
m = 20x
0.5 ft
0.4 ft
0.8 ft
Area of base =
Answer:
it may can be 0.16 ft
Step-by-step explanation:
0.5 x 0.4 = 0.2
0.8 x 0.2 = 0.16
From an angle of depression of 61 degrees, John
watches his friend approach his building while standing
on the rooftop. The rooftop is 17 m from the ground,
and John's eye level is at about 2m from the ground.
What is the distance between John's friend and the
building?
10.6
34.3
5.5
10.5
Answer:
10.53
Step-by-step explanation:
Given :
Height of building = 17m
John's eye level = 2 m
Total height (including eye level) = 17+2 = 19m
Angle of depression, θ = 61°
Let distance between John's friend and building = d
Using trigonometry :
Tan θ = opposite / Adjacent
Tan 61° = 19 / d
1.8040477 = 19 / d
d = 19 / 1.8040477
d = 10.53
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Answer:
24
Step-by-step explanation:
A^2+b^2=c^2
In this case C^2 is solved and we have to solve for the remaining leg.
7^2+b^2=25^2
49+b^2=625
625-49=576
sqrt 576 = 24
The height is 24
where dose this number go on the number line?
Answer:
in between 4.1 and 4.3
Step-by-step explanation:
A candy bar in the shape of a triangular prism has a length of 11 inches. The area of the base of the candy is 1.5 square inches. What is the volume of the candy in cubic inches?
Answer:
6.5
Step-by-step explanation:
Find the lateral area of the cone to the nearest whole
number.
Answer:
lateral area = pi x radius x slant height
slant height = 40^2 + 30^2 = 1600 + 900= [tex]\sqrt{2500}[/tex] = 50
3.14 x 30 x 50 = 4710m^3
Hope that answers your question
Don't hesitate to leave a comment if you are confused about something
Step-by-step explanation:
put these fractions from least to greatest please!! 2/3 7/12 17/24 3/4
Answer:
7/12 < 2/3 < 17/24 < 3/4
Step-by-step explanation:
least to greatest
Can someone please help me!
Answer:
Answer :-Option D :- (180 - 2x)°
Hope it helped :)X^2 + 8x +19=0. Find a equivalent equation Solve by completing the square
Answer:
theres no real answers
Step-by-step explanation:
...........
...........
which can't be lenght side of triangle
Answer:
C. sides of 3, 4 and 7
can't form a triangle.
the longest side (7) must be shorter than the sum of the other 2 sides.
Step-by-step explanation:
The grocery store has 19.2 pounds of rice. If the rice is divided equally into 8 bags, how many pounds of rice will be in each bag?
Answer:
2.4 pounds
Step-by-step explanation:
19.2 pounds÷ 8 bags= 2.4 pounds per bag
I will give brainiest
Answer:
I think it's 6,800 in3 I don't know perfectly whether it is correct answer or not
What is the volume of a hemisphere with a radius of 8.8 cm, rounded to the nearest
tenth of a cubic centimeter?
Answer:
1426.5 cm3
Step-by-step explanation:
okkkk assuming pi is 3.14, you use the formula 'volume of a hemisphere is 1/2x4/3xpi r3' use that formula!! and without pi the answer would be 255.6 pi cm3
Answer:1427.3 cm3
Step-by-step explanation:
the following image is a trapazoid.if XW is congruent YZ and measaure of m = 72 degrees. calculate the measure of X
Answer:
opposite angle of trapezoid is supplementary
<Z+<X=180°
<X=180°-72°
<x=108°
is your answer
The required value of the measure of the angle x is 108°. Option A is correct.
The following image is a trapezoid. if XW is congruent to YZ and measure of m = 72 degrees. calculate the measure of X is to be determined.
The angle can be defined as the one line inclined over another line.
What is a trapezoid shape?A trapezoid is defined as a quadrilateral with one couple of opposite sides parallel. the sum of the opposite angles is 180. Only one pair of opposite sides should be parallel not all the sides if all sides are parallel then the shape became a rectangle or rhombus.
Since the sum of the opposite angles in trapezoids is 180°
so,
x + 72° = 180°
x = 180° - 72°
x = 108°
Thus, the required value of the measure of the angle x is 108°.
Learn more about Angles here:
https://brainly.com/question/13954458
#SPJ2
Please help me! Will give brainilest!
What is the total percent of a pie or circle graph
Answer:
100%
Step-by-step explanation:
[tex]what is the square root of 18[/tex]
Answer:
sqrt(18) = 4.24264069
ASAP
AND HOW DID YOU GET THE ANSWER
Multiple of 30 degrees
Answer:
69
Step-by-step explanation:
Answer:
Step-by-step explanation:
Incomplete question!
But here are some "multiples of 30 degrees:"
60, 90, 120, 180, 150, and so on. Start with "30 degrees" and multiply that by various positive integers: 2, 3, 4, 6, 5, and so on, to obtain "multiples of 30 degrees."
Sadi had $5. She spent $3 on school supplies. She wants to exchange the money she has left for quarters for the vending machine. How many quarters will she get?
Answer:
8
Step-by-step explanation:
one quarter is 25 cents or 1/4 of a dollar therefore 4 quarters = 1 dollar
there are 2 dollars left over because 5-3= 2, so since there are 4 quarters in each dollar she has 8 quarters.
Answer:
8 quarters
Step-by-step explanation:
1 dollar is 25 cents
25 is one fourth of a dollar
What are some sources of new mathematical symbols that have been widely used?
The variable r represents a value in the set (4,6,7,8). Which value of r makes 2(r-4) + 3=7 a true statement?
Answer:
r = 6
Step-by-step explanation:
2(r-4) + 3=7 becomes 2(r-4) + 3=7 if we subtract 3 from both sides:
2(r-4) = 4
Then r - 4 = 2, and r is 6.
If 1 Candy (Dulce) plus 1 Candy (Dulce) is 2. What is 1 Candy (Dulce) times 2 candy's (Dulces)?
Pls anwser,I rlly need this for my 2nd grade homework, Thx! :}
Answer:
2
Step-by-step explanation:
If 1+1=2
2x1=2
Because if you add 1 two times, it is the same as multiplying 1x2
So, your answer is 2.