Answer:
(4√2cos 135, 4√2sin135)
Step-by-step explanation:
determine two pairs of polar coordinates for the point (4, -4) with
Given the rectangular coordintate
r = √4²+(-4)²
r = √16+16
r = √32
r = √16*2
r =4√2
Theta = arctan(-4/4)
theta = arctan(-1)
theta = -45
theta = 180 - 45
theta = 135 degrees
x = rcos theta
y = rsin theta
x = 4√2cos 135
y = 4√2sin135
One interior angle of a triangle is 60°. The other angle measures are x° and yº. Which of the following could be the values of
x and y? Select all that apply. X = 60, y = 60
X = 100, y = 20
X = 40, y = 80. x=50, y = 90
X = 45, y = 45
Answer:
x=60, y= 60
x=100, y= 20
x=40, y=80
Step-by-step explanation:
Triangles add up to 180 degrees. The ones above added to 60 equal 180.
60+60+60=180
100+20+60=180
40+80+60=180
Hope this helps! :)
Would the answer be 550.25?
Answer:
$52.50
Step-by-step explanation:
1. You take 550 and divide by 5.
2. Then you would takw that number (105) and multiply by 2 (210)
3. Then you take 210 and divide by 4 which equals 52.5
4. The answer is 52.5 because she takes 1/4 of the 2/5 for vacation a month.
The playroom on a blueprint is 3 cm by 8 cm. If the blueprint was drawn using a scale of 1 cm
= 5 ft, what are the actual dimensions of the playroom?
Answer:
15 feet by 40 feet
Step-by-step explanation:
if the original dimensions were 3 by 8 and 1 cm = 5 feet multiply 3x5 then 8x5 and you receive your answer.
Keiko deposits $3000 into an account that pays simple interest at a rate of 2% per year. How much interest will she be paid in the first 5 years?
Answer:
Step-by-step explanation:
Simple interest is not compounded and is
I=Prt (where I=interest, P=principle, r=rate, t=time)
I=3000(.02)5
I=$300
Neil got a hit 9 of the 11 times he batted in the softball tournament. Maggie got a hit 18 of the 22 times she batted in the tournament. Did they have the same batting records?
Answer:
they have the same batting record
Step-by-step explanation:
Batting record for each :
Neil :
9 /11 = 0.8181
Maggie :
18 /22 = 0.8181
From here we see that they both have the same proportion of hits :
Hence they have the same batting record
Letícia is dividing 2 3/4 pounds of trail mix equally among each of her four friends. How much does each receive
Answer:
11/16 pounds each
Step By Step Explanation:
Change the mixed fraction to improper fraction
2 3/4 = 11/4
Divide the answer by 4
11/4 ÷ 4 = 11/16
Each friend gets 11/16 pounds
The diameter of the circular clock shown below is 10 inches.
Which measurement is closest to the area of the clock in square inches?
I need help ASAP please
Answer:
B
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos45° = [tex]\frac{1}{\sqrt{2} }[/tex] , then
cos45° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{3}{c}[/tex] = [tex]\frac{1}{\sqrt{2} }[/tex] ( cross- multiply )
c = 3[tex]\sqrt{2}[/tex]
52/4 + 8z^2
I need help solving this equation?
Answer:
8
2
+
1
3
Step-by-step explanation:
If the area of a triangle with a base measuring 22 feet is 93.5 square feet, find its height.
Answer:
height = 8.5 feet
Step-by-step explanation:
Area of a triangle formula:
a=1/2bh
substitute what's given
93.5 = (1/2)22h
93.5=11h
divide both sides by 11 to isolate h
h=8.5 ft
Please help me with this
Answer:the answer would also be 20 degrees
Step-by-step explanation:
because its exaclty across from the angle!!!!!
Answer:
20 degrees
Step-by-step explanation
they are opposite angles
What is the length of the hypotenuse of the triangle?
Answer:
Step-by-step explanation:
The hypotenuse has different lengths. It’s always c2 and the longest triangle length of all the triangle.
plz help me With this question plz !!!!
Answer:
arc WVY = 250°
Step-by-step explanation:
The tangent- tangent angle YXW is half the difference of the intercepted arcs
[tex]\frac{1}{2}[/tex] ( WVY - WY) = 70
[tex]\frac{1}{2}[/tex] (10a - (4a + 10) ) = 70 ( multiply both sides by 2 )
10a - 4a - 10 = 140
6a - 10 = 140 ( add 10 to both sides )
6a = 150 ( divide both sides by 6 )
a = 25
Then
arc WVY = 10x = 10 × 25 = 250°
PLZZ HELPP!!! The graph below shows a company's profit f(x), in dollars, depending on the price of goods x, in dollars, being sold by the
company:
Part A: What do the x-intercepts and maximum value of the graph represent?
Part B: What are the intervals where the function is increasing and decreasing, and what do they represent about the sale and
profit?
Part C: What is an approximate average rate of change of the graph from x = 1 to x = 3, and what does this rate represent?
where is the graph i need the graph to at least awnser this
Angela is making 25 sundaes with mint, chocolate, and vanilla ice cream. 3 5 of the sundaes are mint ice cream and 1 2 of the remaining sundaes are chocolate. The rest will be vanilla. How many sundaes will be vanilla?
Answer:
5
Step-by-step explanation:
Vanilla ice cream = 3/5 x 25 = 15
Remaining = 25 - 15 = 10
Mint ice cream = 1/2 x 10 = 5
Remainder = 10 - 5 = 5 = vanilla
Please helppp. Can you explain this?
Answer:
We have to find the value of x.
We need to substitute with 3 because they measure the same.
Step-by-step explanation:
(x - 1)
x - 1 = 3
x - 1 + 1 = 3 + 1
x = 4
(x + 1)
x + 1 = 5
x + 1 - 1 = 5 - 1
x = 4
Both answers are the same which means that they are correct.
The expression (7-4i)-(3-12i) simplified is
Answer:
8i + 4
Step-by-step explanation:
Add/subtract like terms:
7 - 3
= 4
-4i - (-12i)
-4i + 12i
= 8i
Add these together:
8i + 4
So, the simplified expression is 8i + 4
HELP ME PLEASE!!!! I am failing this class and don’t know what to do.
help me pls AAAAAAAA
Answer:
10/3 liters
Step-by-step explanation:
Divide (4/3) by 2, then multiply by 5
Answer:
10/3 liters
Step-by-step explanation:
Your welcome, hope this helps you
Use the distributive property to expand (simplify): 13(9 + g)
13g+117
Step-by-step explanation:
just distribute the 13 to each value in the parentheses
i’m really struggling here. everything i search up makes no sense. i literally can’t fine the answer.
In a right triangle, the measures of the two smaller angles are (3x+6) and (2x - 1)º. Find the measure of the smallest
angle in the triangle.
A. 170
B. 33°
C. 570
D. 90°
Answer:
B is the answer
Step-by-step explanation:
Since there is already a 90 degree angle in the right triangle, the other two angles must add up to 90.
[tex]3x + 6 + 2x - 1 = 90[/tex]
[tex]5x + 5 = 90[/tex]
[tex]5x = 85[/tex]
[tex]x = 17[/tex]
Plug 17 into both to find the smaller angle
[tex]3(17) + 6 = 57[/tex]
[tex]2(17) - 1 = 33[/tex]
[tex]33 < 57[/tex]
So 33 is the answer or B
7/8 + m = 4 3/4
A. m = 3
B. m = 3 7/8
C. m = 4 1/8
D. m = 5 5/8
A triangle has two sides of length 14 and 10. What is the smallest possible whole-number
length for the third side?
The function f is given by f(x) = (x−2)(x+4)
What are the x-intercepts of the graph representing f?
Answer:
intercepts are 2 and -4
I hope this helps ;)
A teacher is making a seating chart in order to group his class of 30 students. He puts 5 students in each group.
What should the teacher do to figure out how many groups he will have?
Answer:
The teacher should divide the amount of students by 5, that way they'll find how many groups they'll have. And the amount of groups they'll have is 6 groups of 5 students, you didn't ask for this part but I decided it'd be best to add it. Hope this helps, have an amazing day you awesome human! ^w^
Step-by-step explanation:
what's the seventh term
1,2,3,4,5,.....
Answer:
understand
Step-by-step explanation:
hope it's helpful for you
2 At the hot dog stand it costs $18.39 for five hot dogs and six bags of chips. If it costs $4.63 for
one hot dog and two bags of chips, how much is a hot dog?
Answer:
$2.25
Step-by-step explanation:
You set one of the variables equal to the other variable then plug it in to the other equation and find the value of the other to use to find for that one.
Sandra uses 2/25 kilogram of cocoa powder in each serving of her famous cocoa drink. She has 1 1/10 kilograms of cocoa powder. How many servings can Sandra make?
Answer:
13 servings
Step-by-step explanation:
(11/10) / (2/25)
= 13.75
She can make 13 servings [not enough to make up to 14 servings]
A man has 14 coins in his pocket, all of which are dimes and quarters. If the total value of his
change is $2.75, how many dimes and how many quarters does he have?
Answer:
9 quarters 5 dimes!
Step-by-step explanation:
9x0.25=2.25
5x0.10=0.50
2.25+0.50=2.75