Answer:
-162°c
Step-by-step explanation:
-54×3=-162=-162°c
work out the area of this trapezium
6cm
10cm
8cm
17cm
Answer:
(81√15)/4 ≈ 78.43 cm²
Step-by-step explanation:
It can help to draw a diagram.
The base angle at the side of length 6 can be found using the Law of Cosines. Its opposite side is of length 8, and the two adjacent sides are of length 6 and 7. So, we have ...
8² = 6² +7² -2·6·7·cos(α)
cos(α) = (36+49-64)/(84) = 1/4
α = arccos(1/4) ≈ 75.522°
Then the height of the trapezium is ...
6·sin(75.522°) ≈ 5.80948 . . . . cm
__
The area of the trapezium is given by the formula ...
A = 1/2(b1 +b2)h
A = (1/2)(17 +10)(5.80948) . . . . cm²
A ≈ 78.43 cm²
__
Of course, sin(arccos(1/4)) = (√15)/4, so the exact formulation of the area is ...
A = (81√15)/4 cm²
What is the distance -4 and 7 on a number line?
a. Connie has $100 in her piggy bank. Ryan has 3 times more than Connie. How much money does Ryan have?
Joe's equation: 100 cross times 3 equals r
Answer:
Its 300
Step-by-step explanation:
Because 100 x 30 = 300
is the first number a multiple of the second? 56, 8:
Answer:
no
Step-by-step explanation:
no bc 8 is a multiple of 56, not 56 a multiple of 8
if you could subscribe to my friend penny_pg3d on YT that would be great!
log3 (4x^(2))/(5\sqrt(y))
Answer:
4x2(the 2 is an exponent) log (3) √y
(new line because this is a fraction)
5y
Step-by-step explanation:
The problem C(x)=25x+50 represents the labor coat in dollars for quick cedar to build a deck where x is the number of hours of labor
Answer: 18.6 or 93/5
Step-by-step explanation:
See attached picture
Miguel had $320 dollars in his bank account and adds $15 each month. How many months will it take for Miguel to have more than $910 in his account.
Answer: just more than 39.3 months
Step-by-step explanation:
$320 + 15m = $910
-320 + 15m = $910 - $320
15m= $590
15 15
m= 39.3 months
-f -5(2f - 3). Expand and combine like terms.
Given right triangle XYZ, what is the value of tan(Y)?
One-half
StartFraction StartRoot 3 EndRoot Over 3 EndFraction
StartFraction StartRoot 3 EndRoot Over 2 EndFraction
StartFraction 2 StartRoot 3 EndRoot Over 3 EndFraction
Answer:
StartFraction StartRoot 3 EndRoot Over 3 EndFractionStep-by-step explanation:
Find the diagram attached.
From the right triangle XYZ:
XY is the hypotenuse
XZ and YZ are opposite and adjacent
To get value of tan(Y), we will use the SOH, CAH, TOA, trigonometry identity.
According to TOA:
Tan(Y) = XZ/ZY
First let us get XZ
Using SOH
SinY = opp/hyp = XZ/XY
SinY = XZ/4
Sin30 = XZ/4
XZ = 4sin30
XZ = 4(0.5)
XZ = 2units
Next is to get ZY:
Using Pythagoras theorem:
ZY²+XZ² = XY²
ZY² = XY²-XZ²
ZY² = 4²-2²
ZY² = 16-4
ZY² = 12
ZY = √12
ZY = √4*3
ZY = 2√3
Solve for tan(Y):
Since Tan(Y) = XZ/ZY
Tan(Y) = 2/2√3
Tan(Y) = 1/√3
Rationalize
Tan(Y) = 1/√3*√3/√3
Tan(Y) = √3/√9
Tan(Y) = √3/3
Hence the correct option is A. StartFraction StartRoot 3 EndRoot Over 3 EndFraction
Answer:
B
Step-by-step explanation:
StartRoot 3 EndRoot
By how much does the outlier in the following data set increase the mean of the data set? Round your answer to the nearest hundredth if necessary.
{10, 12, 17, 18, 22, 30, 101}
I NEED THIS ANSWERED BEFORE 10 PM PST
=======================================================
Explanation:
With the outlier, the mean is
m = (10+12+17+18+22+30+101)/7 = 30
I added up the values and divided by 7 since there are 7 values being added up.
Without the outlier 101, the mean is now
n = (10+12+17+18+22+30)/6 = 18.1667 approximately
We're dividing by one less item this time.
Subtract the values of m and n
m-n = 30-18.1667 = 11.8333
This rounds to 11.83
The large outlier 101 increases the mean by roughly 11.83
Any time the outlier is larger than the main cluster of values, the mean is pulled to be larger than it should be if we ignored the outlier. The further the outlier, the stronger the pull and the more skewed the mean will get.
Note how the median of {10,12,17,18,22,30} is 17.5 which is a better measure of center compared to m = 30 found earlier.
Will give Branliest!!!
whitch inequality is true?
A) 2pi-1≤5
B) pi+8≤11
Charlie currently has $45 in savings. He had been saving $9 each week. Yesterday he spent $126 of the savings. For how many had he been saving?
Please help!!!!!!!!!
Answer:
$30.00
Step-by-step explanation:
True or false If LM = MP, then M must be the midpoint of LP.
Answer :
True...LP is a line in which M is the mid point...
What is the quotient of 24336 ÷ 48 ?
Answer:
507
Step-by-step explanation:
i used a calculator
Margie received her store order on 12/3/16 at 4AM. She just opened one of the
fountain BIBs today, 12/7/16 at 12PM. The BIB has a printed expiration date of
1/17/2017 on it. Drag the options from the right to fill out the label properly.
12/3/2016 1/21/2017
12/7/2016
4:00 AM
Exp Date:
Exp Time:
Prep Date:
Prep Time:
Initials:
1/17/2017
12:00 PM
Undo
Reset
Submit
Answer:
Exp Date: 1/17/2017
Exp Time: 4:00am
Prep Date: 12/3/2016
Prep Time: 4:00am
Initials: 12/7/2016
Step-by-step explanation:
A well-detailed version of the question has been uploaded in form of an image for easier understand.
Looking at the question, it was said that she received her store order on 12/3/2016 at 4am, this implies that the prep date and time are 12/3/2016 and 4am respectively. Also, it was said that the expiration date was printed on the product and it is 1/17/2017. Obviously, the expiration time would also be 4am because it was prepared at 4am and if we calculate in. 24hours we would get 4am at the expiration date as well. Lastly, we were told she opened the product she received on 12/7/2016 which is the initial date the product was used. From all these we can deduce the following:
Exp Date: 1/17/2017
Exp Time: 4:00am
Prep Date: 12/3/2016
Prep Time: 4:00am
Initials: 12/7/2016
which of the option goes in the box i need hlep pls
You buy a football for $25. It is on sale for 15% off. How much do you save?
$28.75
$3.75
$21.25
$15
Answer:
$3.75
Step-by-step explanation:
A square serving platter has an area of 124 inches squared. Which is the best estimate of the side length of the platter?
Answer:
Approximately 11 inches
Step-by-step explanation:
Answer: d 11.1 inches
Step-by-step explanation:
Cute
22+n=-12 solve for n
Answer:
n= -34
Step-by-step explanation:
You want to get n alone so you would subtract 22 from both sides and -12 - 22 is -34
Answer:
-34
Step-by-step explanation:
22+n=-12
We move all terms to the left:
22+n-(-12)=0
We add all the numbers together, and all the variables
n+34=0
We move all terms containing n to the left, all other terms to the right
n=-34
9.) A new basketball is $10.95 and is 20% off. The sales tax is 7%.
If you are trying to find the cost of the basket ball, it is $8.15.
Step 1: Find 20% of 10.95- which is 2.19- and subtract 2.19 from 10.95-which is 8.76.
Step 2: Find 7% of 8.76-which is 0.6132- and subtract 0.6132 from 8.76-which is 8.1468
Step 3: Round to the nearest hundredth, which gives you 8.15.
Thus, $8.15 is your answer.
A box measures 15 inches by 8 inches by 5 inches. What is the length of its longest diagonal?
Round to the nearest whole number
W(x)=-3x-4 find w (7)
Answer:
w=-7
Step-by-step explanation:
Soooo-
W(x)=-3x-4
divide both sides by x
W=-3-4
combine like terms
W=-7
Answer:
w(4)=3(4)+7
w(4)=12+7
w(4)=19
Can someone please help me?
At a tree farm, there are 9 rows of 36 spruce trees.In each row, 14 of the spruce trees are blue spruce. How many spruce trees are NOT blue spruce?
Answer:
198 spruce are NOT blue
Step-by-step explanation:
Answer:
22 not blue each row.
198 = ANSWER
Step-by-step explanation:
Help (no it’s not HEAD)
Answer:
AIHC
Step-by-step explanation:
what did you do to numerators? what did you do too to the denominatores?
Answer:
what do you mean by "what do you do to...."
If Kailyn ran 3 miles in 20 minutes, how many miles would she run in 1 hour?
1 hour = how many minutes?
Answer:
1 hr =60 mins kailyn ran 9 miles in 1 hour
Step-by-step explanation:
Hope this helps:)
PLZ help I am confusion. Math is hard
Answer:
It is C I am good at math
Step-by-step explanation:
A team of bakers can roll and form 5 dozen pretzels in 9 minutes. How many pretzels can this team form in 1 hour?
This team can form
pretzels in 1 hour.
Answer:
This team can form 400 pretzels in one hour
Step-by-step explanation:
How many pretzels in 9 minutes?
5(12)=60
Solve as proportion
60 pretzels = 9 minutes
x pretzels = 60 minutes
60(60)=9x
3600=9x
Divide both sides by 9
x= 400 pretzels
This team can form 400 pretzels in 1 hour
Answer:
this team can form 30 pretzels in 1 hour
Step-by-step explanation:
60 minutes are in a hour, and 60 divided by 9 is 6.6. So that means you would have to use 6. So 9 x 6 equals 54. Now do 5 x 6 and that would equal 30.