Answer:
-1.29897714066
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
cos90° - sin45°
= 0 - [tex]\frac{\sqrt{2} }{2}[/tex] ( exact value of sin45° )
= - [tex]\frac{\sqrt{2} }{2}[/tex]
≈ - 0.707 ( to 3 dec. places )
In circle S with mZRST = 78 and RS = 20 units find area of sector RST. Round
to the nearest hundredth.
The New York Times and CBS News conducted a nationwide poll of 1048 randomly selected 13- to 17-year-olds. We can consider the sample to be a SRS.
a. Of these 1048 teenagers, 692 had a television in their room. Give a 95% confidence interval for the proportion of all people in this age group who had a TV in their room at the time of the poll
b. Of the 1048 teens surveyed, 189 named Fox as their favorite television network. Give a 90% confidence interval for the proportion of all people in this age group who would choose Fox as their favorite network.
c. Suppose you were to change the confidence level in (b) to 95% using the same sample. How would the confidence interval change? No calculations necessary.
a. The confidence interval would be the same width but shifted to the left
b. The confidence interval would be the same width but shifted to the right
c. The confidence interval would have the same center but be wider
d. The confidence interval would have the same center but be narrower
The price of an item has risen to $184 today. Yesterday it was $80. Find the percentage increase.
please help urgent!!!!
Answer:
1
Step-by-step explanation:
see attached for more information
hope it's helps
calculeaza
2+(8-6)=
(9-7)+5=
10-(1+8)=
(3+7)-9=
(1+2+3)-5=
10-(2+3+4)=
Answer:
1. 2+(8-6)= 4
2+2=4
2. (9-7)+5= 7
2+5=7
3. 10-(1+8)= 1
10-9=1
4. (3+7)-9= 1
10-9=1
5. (1+2+3)-5= 1
6-5=1
6. 10-(2+3+4)= 1
10-9=1
Please answer now! i will mark brainliest!
Answer:
I would round to 3, so the length of the sidewalk would be about 8 x 3 = 24 feet.
Step-by-step explanation:
[tex]2\frac{5}{6}[/tex] is closer to 3 and if you convert it to decimal which will be 2.83 with a bar on top of 3, it's still close to 3.
COMMON CORE REVIEW
1. Find the percent of change from 32 feet to 79 feet. Round to the nearest tenth, if necessary. Then state whether the percent of change is percent of increase or percent of decrease.
2. Factor this expression: 27+108n
3. Factor this expression: 56x + 16
THANKS AGAIN!!
Answer:
146.9
Step-by-step explanation:
I'm not sure of the answer but if I'm wrong tell me I'll continue trying it is a pleasure to help you.
Which operation would help solve for t?
T-13=35
Answer:
t = 48
Step-by-step explanation:
whats the square footage of 10 by 10
Which statement must be correct?
A.
B.
C.
D.
Answer:
A suits the most
Step-by-step explanation:
Answer:
D. RS intersects PQ at point R
Step-by-step explanation:
1 + 4 = 5
2 + 5 = 12
3 + 6 = 21
5 + 8 =
HELP PLEASE! MATHHHHGGKSNSJSJ
Answer:
192y16
Step-by-step explanation:
mark me brainlist
Can someone put true or false? Please make sure you answer is correct and label them like this:
1. answer here
2. answer here
3. answer here
4. answer here
(actually put the answers) will mark as brainly if it is helpful to me. Ty
Find the area of each figure. A = _ in²
Answer:
1824in^2
Step-by-step explanation:
area of rectangle:
L x W = A
32 x 48 = 1539
area of triangle:
(L x W) / 2 = A
(48 x 12) / 2 = 288
add:
1539 + 288 = 1824in ^2
Anyone can help please?
I need help on homework its due tomorrow
pls help pls help plsssssss
For the 1st question your just going to
(3,3) (3,3) endpoints of a vertical line, a horizontal line, or neither?
Answer:
neither
Step-by-step explanation:
the endpoints are the same so it would be neither because it's a point not a line.
1600, 400, 100, 25, ...
O Arithmetic
O Geometric
O Neither
A garden is in the shape of a circle with a radius of 10 feet. Edging is place around the garden. How much edging, in feet, is needed to
go around the garden? Round your answer to the nearest whole number. Use 3. 14 for TT.
please!! I need it right jnow
Answer:
62.8 ft (of edging)
Step-by-step explanation:
We need to find the circumference of this circle, using C = 2(pi)r.
Here, C = 2(3.14)(10 ft) = 62.8 ft (of edging)
Answer:
63 feet is needed to go around the garden.
Lester made a scale drawing of a house. The scale he used was 1 inch : 2 feet. In the drawing, the hall closet is 3 inches long. What is the length of the actual closet?
Answer: 6 feet
Step-by-step explanation:
1 inch= 2 feet
so
3 inches = 6 feet
ratio
Answer: 6
Step-by-step explanation:
Victor sells bouquets of flowers at a farmers market. He earns a flat rate for each bouquet sold, shown on the graph below. The table below shows the number of bouquets Victor sold last week. Fill in the table to show how much money Victor earned.
Answer:
Attach the graph so we can help lol
Step-by-step explanation:
How
many solutions does the equation 4X + 8 = - 2 - 2 + 5x have?
Two
® One
Zero
Infinitely many
Answer:
x = 12
Step-by-step explanation:
by direct solution
otherwise this system many solution
Answer:
one
Step-by-step explanation:
4x+8=-4+5x
or, 5x-4x = 8+4
hence,
x=12
Calculate the area of the shape below.
Answer:
A = 24
Step-by-step explanation:
Area Formula for Triangle: A = 1/2bh
A = 1/2(4)(12)
A = 1/2(48)
A = 24
-2x + y=-15. y=5x solved by substitution
Answer:
−
2
+
=
−
1
5
=
5
Step-by-step explanation:
5x= answer
Can someone help me with this its preatty easy
Answer:
31,400
Step-by-step explanation:
Hope this helps and have a wonderful day!!!
Which category do both of these shapes belong to
Answer:
D. Parallelogram
Step-by-step explanation:
Answer:
The answer is Parallelgram(D)
two pairs of parallel sides in a quadrilateral
hope it helps...
Which of the following sequences of transformations maps KLMN onto ABCD
Answer:
The answer is neither.
Step-by-step explanation:
Just did the test on Khan.
⊕║Using Sampling to Predict Lesson 10-5║ ⊕
To determine how many students at a middle school bring their lunch from home, all the students on one school bus are surveyed. identify if this is BIASED OR UNBIASED. Explain your reasoning!!
mark the points on the graph !!! please help
Answer:
Go to an online grapher called desmos . com where you can graph and get the answer! The website is used in khan academy
Step-by-step explanation: