Calculate the volume of the triangular pyramid below.
Answer:
90
Step-by-step explanation:
1/2x10x3.6=18
18x5=90
does anyone know w(t) = 3t - 1, w(-4.2) ?
Answer:
w(-4.2) = 3(-4.2) -1 = -12.6 - 1 = -13.6
Step-by-step explanation:
The w(-4.2) is your t so you substitute it in your expression which means you get 3(-4.2) -1 and that gives you -13.6.
SOLVE FOR M. please :)
- 3/7 m = 12
m = -28
m = -26
m = 26
m = 28
Answer:
[tex]m = - 28[/tex]
Step-by-step explanation:
[tex] \frac{ - 3}{7} m = 12[/tex]
[tex] \frac{ - 7}{3} ( \frac{ - 3}{7})m = \frac{ - 7}{3} \times 12[/tex]
[tex] \frac{ - 1}{3} ( - 3)m = \frac{ - 7}{3} \times 12[/tex]
[tex] - 1( - 1)m = \frac{ - 7}{3} \times 12[/tex]
[tex]1 \times m = \frac{ - 7}{3} \times 12[/tex]
[tex]m = \frac{ - 7}{3} \times 12[/tex]
[tex]m = \frac{ - 7}{3} \times 12[/tex]
[tex]m = \frac{ - 7}{3} (3 \times 4)[/tex]
[tex]m = - 28[/tex]
Hope it is helpful....Ms. Sands purchased 60 boxes of crayon at 1.99 cach.
a. What was the TOTAL cost of the 50 boxes of crayon?
Answer:
Can someone help me please
Answer: A
Step-by-step explanation:
Use the F-scale measurements of tornadoes listed in the accompanying table. The range of the data is 4.0. Use the range rule of thumb to estimate the value of the standard deviation. Compare the result to the actual standard deviation of the data, 1.0.
3
2
3
2
1
1
0
1
2
3
1
1
1
2
2
2
2
0
1
2
1
0
0
1
0
0
2
0
2
2
1
0
0
0
1
0
1
2
3
2
0
2
2
0
0
0
1
0
0
0
0
0
1
0
0
1
1
0
0
1
0
0
2
0
0
0
0
0
1
2
4
0
1
0
0
0
0
2
2
0
1
1
1
2
1
0
0
2
0
2
0
2
2
2
0
0
4
0
Compare the result to the actual standard deviation.
The estimated standard deviation is________(within 0.5 of, over 0.5 less than, over 0.5 greater than) the actual standard deviation. Thus, the estimated standard deviation_________(is, is not) substantially different from the actual standard deviation.
Answer:
Within 0.5 of ;
is not ;
Step-by-step explanation:
Given the data:
The actual standard deviation, = 1
;
The range rule of thumb to estimate the value if standard deviation is ;
Estimated standard deviation = Range / 4
The range = (maximum - minimum) values
The estimated standard deviation = 4 / 4 = 1
Hence, the estimated standard deviation is with 0.5 of the actual standard deviation, Thus, the estimated standard deviation is not substantially different from the actual standard deviation.
5+ (-11) – (-11).
Please help.
Answer:
5
Step-by-step explanation:
(-11)-(-11) would cancel out, so that leaves 5 as the answer :)
Answer: 126 i think cause 5+ (-11) – (-11) = 126 hope this helped have a nice day :)
Step-by-step explanation:
How much work is done lifting a 35 pound object from the ground to the top of a 25 foot building if the cable used weighs 2.5 pounds per foot
Answer:
3400 ft-lbs
Step-by-step explanation:
The Workdone in lifting the rope :
Number of feet = x
Distance = 25 feets
2.5x + 35
Taking the integral :
∫2.5x + 35 dx at x = 40
Integrating, we have :
1/2(2.5x² ) + 35x at x = 40
1/2(2.5(40)²) + 35(40)
1/2(4000) + 1400
2000 + 1400
= 3400
Hence, Workdone in lifting the rope = 3400 ft-lbs
Which inequality represents all values of x for which the product below is defined ?
Answer:
x ≥6
Step-by-step explanation:
Given the product:
√(x-6)*√(x+3)
The function has to be defined if x ≥0
Hence;
√(x-6)*√(x+3)≥0
Find the product
√(x-6)(x+3)≥0
Square both sides
(x-6)(x+3)≥0
x-6≥0 and x+3≥0
x≥0+6 and x ≥0 - 3
x ≥6 and x ≥-3
Hence the required inequality is x ≥6
Answer:
B. x>/ 6
Step-by-step explanation:
A P E X
I added the picture of the question.
Answer:
29+31+24+30+20+18+16= 168
how many numbers there are= 7
168/7= 1,176
The mean is= 1,176
Hope this helped
Answer:
24
Step-by-step explanation:
Add up all the numbers
16+18+20+24+29+30+31=168
Divide the sum by how many numbers there are
Hope it is helpful
Caroline weighs 41,390,000 milligrams and her baby sister weighs 3,415 grams. What is their total weight in kilograms?
A. 4.4805 kg
B. 448.05 kg
C. 44.805 kg
D. 4480.5 kg
Answer:
C. 44.805
Step-by-step explanation:
41,390,000 milligrams is 41.39 in kilograms and then 3,415 grams in kilograms is 3.415 so add those up 41.39+ 3.415= 44.805kg
The total weight in kilograms is C. 44.805 kg
What is the unitary method?The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
Convert mg to kg;
Caroline weighs 41,390,000 mg
1 mg = 0.000001 kg
41,390,000 mg = x
x = 41,390,000 mg × 0.000001 kg
= 41.39 kg
Now, Converting her baby sister's weight to kg
1000g = 1 kg
3415 g = x
Cross Multiply;
1000x = 3415g × 1 kg
x = 3415g × 1 kg/1000
x = 3.415 kg
Therefore, the total weight in kilograms is;
41.39 kg + 3.415 kg
= 44.805 kg
Learn more about the unitary method, please visit the link given below;
https://brainly.com/question/23423168
#SPJ2
Please help is for now
Answer:
3 is write I've told to sir and he told write
Need this done tonight please help!
Please answer this for me!!
Answer:
$17.95
Step-by-step explanation:
Subtract 6.15 from 60.00
That gives you 53.85
Now divide that by 3
And you get 17.95
Answer:
$17.95
Step-by-step explanation:
d = number of dog pillows
3d + 6.15 = 60
3d = 53.85
d = 17.95
Therefore, each dog pillow cost $17.95.
A pound of chocolate costs 7 dollars. Rachel buys p pounds. Write an equation to represent the total cost c that Rachel pays.
Answer:
c = 7p
Step-by-step explanation:
i think
f(x) = 3x + 4 is y =
Given the function
f (x) = 3x2 + 2x – 5, what is the value of f(10)?
Answer:
315
Step-by-step explanation:
x = 10, so substitute 10 into the equation!
3(10)² + 2(10) - 5
3(100) + 20 - 5
300 + 20 - 5
315
Help me please :(((((
Answer:
Step-by-step explanation:
[tex]\frac{-2}{3}[/tex]n=12
-2n=12*3
n=36/-2
n=-18
Lin's father is paying for a $25 meal. He has a 15%-off coupon for the meal. After the discount, a 8% sales tax is applied.
What does Lin's father pay for the meal?
Solve for 20 points and show work
the sum of two numbers is 37 and the greater number is 5 less than twice the Lesser number find the positive intergers
Answer:
x = 14
y = 23
Step-by-step explanation:
x = first number
y = second and greater number
x + y = 37 ⇒ y = 37 - x
y + 5 = 2x
Substitution:
(37 - x) + 5 = 2x
42 - x = 2x
3x = 42
x = 14
y = 37 - (14)
y = 23
A factory that manufactures bolts is performing a quality control experiment. Each object should have a length of no more than centimeters. The factory believes that the length of the bolts exceeds this value and measures the length of bolts. The sample mean bolt length was centimeters. The population standard deviation is known to be centimeters.
What is the test statistic z?What is the p-value?Does sufficient evidence exist that the length of bolts is actually greater than the mean value at a significance level of α=0.1?
Answer:
There is sufficient evidence. A further explanation is provided below.
Step-by-step explanation:
According to the question,
The alternative as well as null hypothesis will be:
[tex]H_0:\mu = 16[/tex]
[tex]H_a:\mu>16[/tex]
The test statistics will be:
⇒ [tex]z = \frac{\frac{\bar x - \mu}{\sigma} }{\sqrt{n} }[/tex]
By putting the values, we get
⇒ [tex]=\frac{\frac{16.06-16}{0.24} }{\sqrt{96} }[/tex]
⇒ [tex]=\frac{\frac{0.06}{0.24} }{\sqrt{96} }[/tex]
⇒ [tex]=2.45[/tex]
Or,
The p-value will be:
= 0.0071
i.e.,
⇒ [tex]p-value< \alpha[/tex]
Thus the above is the correct answer.
What is the solution to this equation?
17.56 = 29.01 - 5x
Answer:
2,29
Step-by-step explanation:
17,56 = 29,01 - 5x
5x = 29,01 - 17,56
5x = 11,45|:5
x = 2,29
Answer:
x =2.29
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
A bakery sells cakes, cookies, and pastries. They wonder if customers are equally likely to buy each product. They take a sample of 200 recent purchases and record what was purchased (they are willing to treat this as a random sample). Here are the results
Product Cakes Cookies Pastries
Observed purchases 65 68 67
They want to perform a x^2 goodness-of-fit test to determine if these results suggest that one type of product is more popular than the others. What is the expected count of cake purchases?
Answer:
66.667 cakes
Step-by-step explanation:
The expected count or value in a goodness of fit test is the product of the expected percentage and the total count or sample size.
Since the samples are being treated as a random sample, hence, the expected percentage of each of cake, pastries and cookies is the same.
The expected count of cakes is :
100/3 % * sample size
33.3333% * 200
= 66.667 cakes
Find the value of N^2 -n. If n=-5
Algebra
Input -5 into all of the numbers which state "n"
-5^2+5
25+5
30
Find the measure of the arc indicated.
Answer:
option 3
hope youre online exam will be easy
Step-by-step explanation:
⚠️❗️⚠️❗️⚠️❗️25 POINTS PLEASE HELP ME FIND THE AREA⚠️❗️⚠️⚠️❗️⚠️❗️
Trolls will be reported
Answer:
178
Step-by-step explanation:
area of big rectangle : 143
area of small rectangle:20
area of triangle : 15
143+20+15= 178
Classify each triangle as a right triangle or not a right triangle. Have a great day!
Answer:
This is not a right triangle
Step-by-step explanation:
the bottom and side would have to be equal
Bonus 6: Find the Total Area 10 11.4 18 1 9 24
9514 1404 393
Answer:
1328.4 square units
Step-by-step explanation:
The total surface area is the sum of the areas of the trapezoidal bases, and the areas of each of the four rectangular faces.
The area of each trapezoidal base is ...
A = 1/2(b1 +b2)h
A = 1/2(10 +24)(9) = 153 . . . . square units
__
The total area of the four rectangular faces is ...
A = bh . . . . area of one face
A = 11.4(18) +10(18) +11.4(18) +24(18) = (11.4 +10 +11.4 +24)(18) = 1022.4
So, the total area is ...
SA = 2×base area + face area
= 2×153 +1022.4 = 1328.4 . . . . square units
A survey of 200 families showed that
75 had a dog;
58 had a cat;
25 had a dog and a cat;
77 had neither a cat nor a dog nor a parakeet;
5 had a cat and dog and a parakeet.
How many had a parakeet only?
Answer:
15 is the answer , the total people who has dogs , cats , parakeets and none is equals to 185 then from 200 you minus 185 which is 15 so 15 people had parakeets only
What is the distance between the coordinates (5,5) and (10,2)? Round your
answer to the nearest tenth.
Answer:
√34
Step-by-step explanation:
√(x2 - x1)² + (y2 - y1)²
√(10 - 5)² + (2 - 5)²
√(5)² + (-3)²
√25 + 9
√34
= 5.8