Answer:
1.6 hours
Step-by-step explanation:
you divide 11.2 by 7
hope this is correct
Sam rides his bicycle for 1.6 hours.
Here is the solution:
Time = Distance / Speed
Time = 11.2 km / 7 km/hour
Time = 11200 m / 7000 m/hour
Time = 1.6 hours
Therefore, Sam rides for 1.6 hours.
Learn more about rides here: brainly.com/question /14618195
#SPJ2
What is 17x*14x-10+24?
Answer:
238 x^2+14
Step-by-step explanation:
Factor out 14 from the expression.
Solution= 14( 17x^2+1)
Write these numbers in words (a) 5610 (b) 29052 (c) 312000 (d) 1800000 (e) 5138000 () 6243821
Answer:
whats the question agaiin sorry
Step-by-step explanation:
Answer:
5610 - Five thousand six hundred ten
29052 - Twenty nine thousand and fifty two
312000 - Three hundred twelve thousand
1800000 - one million eight hundred thousand
5138000 - Five million one hundred thirty eight thousand
6243821 - Six million two hundred forty three thousand eight hundred twenty one
Determine the intercepts of the line.
Screenshot:
y intercept = 0 , 2.5
x intercept = 3.5 , 0
Answer:
y- intercept = (0, 2.5)
x- intercept = (3.5, 0)
Step-by-step explanation:
y- intercept = (0, 2.5)
x- intercept = (3.5, 0)
Which description can be written as the expression StartFraction 8 Over 21 n EndFraction?
the quotient of twenty-one times a number and eight
the product of eight and twenty-one times a number
the quotient of eight and twenty-one times a number
the product of twenty-one times a number and eight
Answer:
C
Step-by-step explanation:
quotient-division
product-multiplication
(then the answer is multiplied by n not 8n)
BRAINLIEST LOL :)
Answer:
C
Step-by-step explanation:
In one day, a yoga instructor teaches 3 classes in the morning and 4 classes in the afternoon. The length of each class is m minutes.
Which expression represents the total number of minutes the yoga instructor teaches in one day?
OA 7m
OB 7+ m
ОС. 10
D10 + m
Answer:
B. 7m
Step-by-step explanation:
She has 7 classes a day (3+4), and each takes the same number of minutes. If m stands for minutes per class, you can find the total minutes per day by multiplying 7 by m. Therefore the answer is 7m.
Example: Let's say a class takes 30 minutes, you would put 30 in the place of m, 7x30=210, so she would be teaching 210 minutes of yoga class each day.
The tens digit of a certain number is five more than the units digit. The sum of the digits is 9. Find the number.
Answer:
Number = 72
Step-by-step explanation:
unit digit--- x
tens digit--- x + 5
x + x + 5 = 9
2x + 5 = 9
2x + 5 - 5 = 9 - 5
2x = 4
x = 2
2 + 5 = 7
tens digit = 7
number = 72
72 is the 2-digit number
Step-by-step explanation:
hope it helps~
7
Find the value of x to the nearest tenth.
tan x = 5
78.9
78.7
0.1
Answer:
x = 5 to the nearest tenth = 0.0
Step-by-step explanation:
Step 1 :
Solving a Single Variable Equation :
1.1 Solve : x-5 = 0
Add 5 to both sides of the equation :
x = 5
Answer: x = 5 nearest tenth = 0.0
Rounded to the nearest 0.1 or
the Tenths Place.
Hope this helps.
Answer:
x = 5 to the nearest tenth = 0.0
Step-by-step explanation:
If f(x) = -7x + 5x2 + 10, what does f(-2) equal?
Answer:
44
Step-by-step explanation:
f(x) = -7x + 5x^2 + 10
f(-2) = -7(-2) + 5(-2)^2 + 10
= 14 + 20 + 10
= 44
The probability of a spinner landing on yellow is 4/9. What is the probability of it not landing on yellow?
Answer:
5/9
Step-by-step explanation:
9/9 minus 4/9 is 5/9
Answer:
5/9
Step-by-step explanation:
4/9 + 5/9 = 9/9
I also searched it up to make sure it was correct.
To get onto the Honor Roll, Max has to get an average in math of at least a 90.
For five exams, he has an average of 88. What must he score on the next exam
to bring his average up to exactly 90?
Answer:
He needs to score 100 in his next test.
Step-by-step explanation:
The average of the exams is given by the sum of each exam score divided by the number of exams he took, therefore his prior average is:
[tex]\text{prior average} = \frac{\text{prior sum of grades}}{\text{prior number of tests}}[/tex]
Since he took five exams and had an average of 88, then his prior sum of grades is:
[tex]\text{prior sum of grades} = 88*5 = 440[/tex]
He needs to score "x" in his next test in order to have an 90 average, therefore if we add "x" to the sum of his grades and add 1 to the prior number of tests then equal that to 90, we can solve for "x". We have:
[tex]\text{desired average} = \frac{\text{prior sum of grades} + x}{\text{prior number of texts}+1}\\90 = \frac{440 +x}{6}\\440 + x = 90*6\\x = 540 - 440\\x = 100\\[/tex]
He needs to score 100 in his next test.
Which graph shows y= (-5x) -4?
Answer: Your answer is A. Hope this helps!
Answer:
A
Step-by-step explanation:
1. Diego has 3 times as much books as han. what's the formula?
2. two-fifths of vegetables in Priya garden are tomatoes. What's the formula?
can you answer both of them very appreciated if u answer it :) I need the answer quick.
Answer:
1. 3x=y Diego is y han is x
Step-by-step explanation:
not sure about 2nd one sorry
Help with a word problem
Answer:
because it is a circular track idk....i aint smart enough for this...also because its a lap and not a straight line...and idk waht velocity is soooo
Step-by-step explanation:
Please try to answer it if you want to :)
no
i have no idea what to do
Answer:
Step-by-step explanation:
Part A:
A truck delivers 32 cases of soup to a store . Each case holds 8 cans of soupThe store manager plans to place 9 cans on each shelf. What is the fewest number of shelves the manager will need for all of the cans of soup delivered by the truck?
Part B:
The same truck delivers 9 cases of canned corn. Each case holds 36 cans of When the cases are unpacked 15 of the cans are missing. The store manager places 7 cans of corn on cach shelf. What is the fewest number of shelves the manager will need for all of the cans of corn delivered by the truck?
Write out the equations that represent Part A and Part B.
soupsoupsoup soupsoupsoup
What is the domain of the function Y= In(x+ 2)?
x <-2
XX-2
x <2
X> 2
Answer:
x > -2
Step-by-step explanation:
Domain is the range is of all possible value for x in y= f(x) .
Domain of logarithmic function log(x) is given by x > 0.
It means any value can greater than x can be plugged in place of x in function log(x).
In the given function Y= In(x+ 2). In place of x there x+2 .
Thus x+2> 0
subtracting -2 from both sides
=> x+2 -2> 0-2
=> x > -2
Thus, domain of the function Y= In(x+ 2) is x > -2
Convert the decimal 0.92 to a fraction.
Answer:
23/25
Step-by-step explanation:
Answer:
23/25
Step-by-step explanation:
The number of employees at a company is decreasing by 9.5% yearly. Currently there are 12,640 employees working at the company. Estimate the number of employees that will be working in 10 years. ( Round to whole number)
Answer:
12546
Step-by-step explanation:
9.5% = 0.95 = 95
12,640 - 95 = 12546
complete the shape below so that ab is a line of symmetry
Answer:
What's your question dude ? The screen is black.
Find the roots. 5x^2-3=77
Answer:
3.2?? I am kinda confused
Step-by-step explanation:
what does d=18in mean
Answer:
The diameter measures 18 inches.
Step-by-step explanation:
The variable 'd' usually stands for diameter in math.
Answer:
see below
Step-by-step explanation:
d = 18 inches
This means the diameter of the circle is 18 inches
From one side of the circle to the other side of the circle, going through the center is 18 inches
Find the median of the data in the pictograph below.
1 toy whales
luca has 3 toy whales
niklas has 3 toy whales
finn has 5 toy whales
lena has 3 toy whales
please help what is the median im timed!
Explanation:
this is how you can find out the median value:
step 1: select the 2 numbers in the middle.
step 2: add the 2 numbers
step 3: once you get the sum of the 2 numbers, divide them by 2
then, you can get you median value!
Answer:
5+3=8
8 divided by 2 = 4
therefore, the median value would be 4.
hope this helps!
#zunairazrydhangirl1
for more help check out khanacademy.org , it really helps in my opinion!
Please helllpppp
Will mark as bbrainliest
Chose correct. answer for 9 and 10
Answer:
9 Yes
10 No
Step-by-step explanation:
5^2+12^2
25+144=169
13^2=169
169=169
12^2+16^2
144+256=400
19^2=361
400 does not =361
Answer:
9: Yes
20: No
Step-by-step explanation:
You're welcome
At a summer camp,there are 40 girls out of the 60 campers.what is the ratio?
Answer:
40:20
Step-by-step explanation:
60 campers-40 girls= 20 boys
What is the slope of the line perpendicular to the y
2 - 9.
Answer:
5
Step-by-step explanation:
perpendicular slopes multiply to -1
lets say m is the missing slope
-1/5*m=-1 so m=5
Use the function y = 5x + 1. Find each output. x = 3
Answer:
Step-by-step explanation:
Prove the divisibility of the following numbers: d 45^45·15^15 by 75^30
Step-by-step explanation:
45⁴⁵ 15¹⁵
(3²·5)⁴⁵ (3·5)¹⁵
(3⁹⁰ 5⁴⁵) (3¹⁵ 5¹⁵)
3¹⁰⁵ 5⁶⁰
3⁷⁵ 3³⁰ 5⁶⁰
3⁷⁵ (3·5²)³⁰
3⁷⁵ 75³⁰
Which addition expression
has the sum 8 - 3i ?
(9 + 2i) + (1 - i)
(9 + 4i) + (-1 - 71)
(7 + 2i) + (1 - 1)
(7 + 4i) + (-1 - 71)
Find the distance between the two points.
us
(-4,- 9) and (1,3)
The distance is ?
Plzz hell me
Answer:
The distance between the two points would be 13 :)
Question 3 (Essay Worth 4 points)
Find the exact value by using a half-angle identity.
tan (7π/8)
Answer:
[tex]\displaystyle \tan \left(\frac{7\pi}{8}\right) = -\left(2 + \sqrt{2}\right)[/tex].
Step-by-step explanation:
Assume that the following are known:
The tangent half-angle identity: [tex]\displaystyle \tan\left(\frac{\theta}{2}\right) = \frac{1 - \cos(\theta)}{\sin(\theta)}[/tex].The sine and cosine of [tex]\displaystyle \frac{\pi}{4}[/tex]: [tex]\displaystyle \sin\left(\displaystyle \frac{\pi}{4}\right) = \frac{\sqrt{2}}{2}[/tex], [tex]\displaystyle \cos\left(\displaystyle \frac{\pi}{4}\right) = \frac{\sqrt{2}}{2}[/tex].The trigonometric identities for the sine and cosine of supplementary angles: [tex]\sin(\theta) = -\sin(2\pi - \theta)[/tex] and [tex]\cos(\theta) = \cos(2\pi - \theta)[/tex].The angle in question [tex]\displaystyle \frac{7 \pi}{8}[/tex] isn't very well-known. However, note that:
[tex]\displaystyle \frac{7 \pi}{8}[/tex] is equal to one-half times the angle [tex]\displaystyle \frac{7\pi}{4}[/tex];[tex]\displaystyle \frac{7\pi}{4}[/tex] is equal to [tex]2\pi[/tex] minus [tex]\displaystyle \frac{\pi}{4}[/tex], which is an angle with known sine and cosine values.Since the angle [tex]\displaystyle \frac{7\pi}{4}[/tex] is equal to [tex]\displaystyle 2\pi - \frac{\pi}{4}[/tex], its sine and cosine can be found from the sine and cosine of [tex]\displaystyle \frac{\pi}{4}[/tex] using the trigonometric identities [tex]\sin(2\pi - \theta) = -\sin(\theta)[/tex] and [tex]\cos(2\pi - \theta) = \cos(\theta)[/tex]:
[tex]\displaystyle \sin\left(\frac{7\pi}{4}\right) = -\sin\left(2\pi - \frac{7\pi}{4}\right) = - \sin\left(\frac{\pi}{4}\right) = - \frac{\sqrt{2}}{2}[/tex].[tex]\displaystyle \cos\left(\frac{7\pi}{4}\right) = \cos\left(2\pi - \frac{7\pi}{4}\right) = \cos\left(\frac{\pi}{4}\right) = \frac{\sqrt{2}}{2}[/tex].Apply the tangent half-angle identity to find the tangent of [tex]\displaystyle \frac{7 \pi}{8}[/tex]:
[tex]\begin{aligned}\tan\left(\frac{7\pi}{8}\right) &= \tan\left(\frac{7\pi/4}{2}\right) = \frac{1 - \cos(7\pi/4)}{\sin(7\pi/4)} \\ &= \frac{1 - \left(\sqrt{2}/2\right)}{\sqrt{2} / 2} = \frac{2 - \sqrt{2}}{\sqrt{2}} = \frac{\left(\sqrt{2}\right)^2 - \sqrt{2}}{\sqrt{2}} = \sqrt{2} - 1 \end{aligned}[/tex].