Apply the distributive property to create an equivalent expression.
(3−8y)⋅(−2.5)=
Answer:
-7.5+20y
Step-by-step explanation:
To apply the distributive property, you have to distribute the multiplication of -2.5 to both 3 and -8y.
First, multiply 3 and -2.5 to get -7.5
Then, multiply -8y and -2.5 to get 20y.
Finally, add these values together
What is an equation of the line that passes through the points (6, -3) and
(-6, -5)?
Answer:
Step-by-step explanation:
The standard form of an equation for a straight line is y=mx+b, where m is the slope and b is the y-intercept (the value of y when x = 0).
We can calculate the slope from the two given points, (6,-3) and (-6,-5). Slope is Rise/Run, where Rise is the change in y and Run is the change in x.
From the two given points, starting at (-6,-5) and going to (6,-3):
Rise = (-3 - (-5)) = +2
Run = (6 - (-6)) = 12
Rise/Run (slope) = 2/12 or 1/6
The equation becomes y = (1/6)x + b
We can find b by enterieng either of the two given points and solving for b. I'll pick (6,-3):
y = (1/6)x + b
-3 = (1/6)*(6) + b
-3 = 1 + b [Now you can see why I chose (6,-3)]
b = -4
The equation is y = (1/6)x - 4
Check this with a DESMOS graph (attached).
Ged can fit six boxes each measuring 1
cubic metre (m') along the length of his
removals van. Two boxes fit across the
width and two boxes high. The
approximate total volume of boxes that will
fit in the van is
m3
Answer:
24 m3.
Step-by-step explanation:
6 * 2 * 2.
What is an explanation or picture of how to work out the problem 8.13-2.716
Answer:
5.414
subtract 8.13 from 2.716 and u will get ur answer
Find the slope of the line that passes through each pair of points (-7,-6) (3, -6)
Answer:
0
Step-by-step explanation:
Slope = Change in Y/Change in X
Slope = -6 - (-6)/3 - (-7)
Slope = 0/10
Slope = 0
This is a horizontal line
-Chetan K
Answer:
Let (-7, -6) be (x1, y1)
and (3, -6) be (x2, y2)
The slope can be found with [tex]\frac{y2-y1}{x2-x1}[/tex]
Substitute in values:
[tex]\frac{-6-(-6)}{3-(-7)} =0[/tex]
The slope is 0. (It is a horizontal line.)
You jog 623 miles around a track each day. If you jogged that distance 4
times last week, how many miles did you jog? in a fraction
Answer:
6 2/3 miles times 4
Step-by-step explanation:
Convert the fraction 2/3 to a decimal
2/3 = .67
6.67 miles times 4 = 26.68 miles
or 6x4= 24
2/3+2/3+2/3+2/3 =8/3 or 2 2/3
2 2/3 +24 =26 2/3 miles
Hope this helps, have a nice day/night! :D
help help ples it due today .
Answer:
Rises -4 and runs -5
Step-by-step explanation:
So the slope is -4/-5
The first three terms in a pattern are shown in the
image below. How many circles would be in the
5th term?
A. 10
B. 15
C. 18
D.20
What is the slope of the line that passes through the points (-2,-1) and (2, -3)?
Write your answer in simplest form.
-
A simple random sample of 30 students was selected from a normally distributed population of high school students. The following confidence intervals were calculated at 90, 95, and 99% confidence levels to estimate the average number of hours of sleep the students got each night. Determine which confidence level goes with each confidence interval. Between 7. 3 and 8. 7 hours of sleep: Between 7. 0 and 9. 0 hours of sleep: Between 7. 2 and 8. 8 hours of sleep:.
Answer:
between 7.0 and 9.0 hours of sleep
Step-by-step explanation:
got it right
In two or more complete sentences, explain how to use ordered pairs of points in S (x) and g(z) to determine if (2)
and g(x) are inverses of each other
Answer:
x=2x4=s
Step-by-step explanation:
because x+2x4=s
The difference between two numbers is 5, and 2 times the lesser number is 18 more than the greater number. Find the numbers.
Answer:
Let x and y be the numbers, with x the larger one.
x - y = 5
2y = x + 18
Then solve this system of equations:
x - y = 5
x - 2y = -18
Subtract bottom equation from top equation and get
y = 23
So x = y + 5 = 23 + 5 = 28
In an experiment, the temperature of a sample is measured as 16 degrees Celsius.
If the percent error is 0.75%, how can you report the temperature of the sample using the absolute error and the actual temperature value in degrees Celsius?
-16±0.12
-16±12
-16±0.047
-16±4.7
Answer: T=16 ± 0.12 ° CA Aw
Step-by-step explanation:
The degree measure of each exterior angle of a regular octagon is represented by the expression 7x - 4. SOLVE FOR X.
Answer:
x = 4/7
Step-by-step explanation:
7x - 4
7x = 4
x = 4/7
Can someone pls help me!
Ms. Failla decides that she wants to give a test on ratios and rates. The test consists of 18 questions. How much time must Mrs. Storz give to her students if she plans that the students can answer the questions at a rate of 3 questions in 7.5 minutes?
Answer:
Mrs. Storz must give 45 minutes
Step-by-step explanation:
Create a proportion:
t = total time given for all questions
[tex]\frac{3}{7.5} = \frac{18}{t}[/tex]
Cross multiply:
3t = 135
Divide both sides:
3t/3 = 135/3
t = 45
A line passes through the points (4, 6) and (8, 7). What is its equation in point-slope form?
Hello there! :)
First, let’s find the slope.
We can find it using this formula:
m=y2-y1/x2-x1
m=7-6/8-4
m=1/4
So the slope is 1/4.
Now, we can use the point-slope formula:
y-y1=m(x-x1)
y-6=1/4(x-1/4)
Hope it helps. :)
~MagicalNature
The ratio of pages Kim reads to
minutes that pass is 10:15. How
many minutes will pass if Kim
reads 40 pages?
Answer:
40:60
Step-by-step explanation:
heres if u need the work,
10:15
40:?
10x4=40
15x4=60
40:60
Answer
she will read for 1 hour
Step-by-step explanation:
:)
help its do in 15 mins
Answer:
Step-by-step explanation: its 7
Please help I’m giving extra points
She can tell by looking at all the possible solutions. Due to the fact that she can solve this equation multiple ways, Elana knows that there are many solutions to this problem.
I hope this helps! :)
Find the solution of the system of equations.
−
10
x
−
9
y
=
−10x−9y=
10
10
8
x
+
9
y
=
8x+9y=
10
10
Answer:
sitting ai week few ai is
Half-Price books is having a "sidewalk sale" this weekend. The total cost varies directly with
the number of books purchased. Mrs. Cowger bought 17 books for a total cost of $42.50 If
Mrs. Kesler spends $57.50, how many books did she purchase?
O 6 books
O 12 books
O 40 books
0 23 books
There are 549 coins in a bottle.
1/3 of the coins are £1 coins.
164 of the coins are 50p coins.
The rest of the coins are 20p coins.
Work out the total value of the 549 coins in pounds (£).
Answer:
12,423 i think
1/3 is 183
164x50=8200
549-347=202
202x20=4040
183+8200+4040=12423
y=2x+3=
please help me i have test
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hope it helpsrefer to attachment
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help me
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A C E isoscles ACAR is inscribed in o E If mCR = 1300 Find:
11.m CAR
12. mACR
13. mARC
14. mAC
15. mAR
[tex] \: [/tex]
marking brainlist
with explanation
I will report nonsense answer
need properly answer
[tex] \: [/tex]
Answer:
#11m∠CAR = (1/2)mCR = (1/2)(130°) = 65°#12 and #13m∠ACR = m∠ARC = 1/2(180° - 65°) = (1/2)(115°) = 57.5° #14 and #15mAC = mAR = 2(m∠ACR) = 2(57.5°) = 115°y is directly proportional to ( x - 4 ) . When x = 16, y = 3. Find y in terms of x.
(☞╹◡╹)☞ Enjoy ☜(╹◡╹☜)
Step-by-step explanation:
hey.....
how are uh
please answer this box for me i need a lot of help
Answer: 12
Step-by-step explanation: the denominator is the bottom number, so 6 and 4. The smallest number they BOTH have in common is 12. Hope this helps :)
Answer:
The least common denominator would be 12.
Step-by-step explanation:
Because if you look at each row of multiples, 12 is the smallest number that they both have in common.
See for your self:⤵⤵⤵
1/6 ➡ 6 12 18 24 30
3/4 ➡ 4 8 12 16 20
Hope this helps :)
For each gallon of gas Sean puts in his truck, the truck will go $\frac{8}{3}$ miles. Suppose Sean's tank is empty, and he puts in $\frac{7}{5}$ gallons. How far can Sean go with his truck?
Answer:
56/15
Step-by-step explanation:
All we have to do is 8/3 x 7/5 and 8x7 is 56,5x3 is 15
So the answer is 56/15.
Answer:
56/15
Step-by-step explanation:
HELPS PLS DUE IN 5 min:( ILL MARK BRAINIEST!!!
Where is the magnetic field in a hair dryer
Answer:
Hi :)
ELF magnetic fields measured 10 cm from the nozzles of hair dryers were elevated over the ambient by a mean factor of 17 when these devices were in use. Estimated mean daily times of usage of hair dryers, stereo headsets, and sewing machines were 2.6, 19, and 17 minutes, respectively.
Hope this helped :)
Show that dividing a number by 5 1/2 gives the same answer as multiplying the number by 2/11 plz help!!!
Answer:
plz explain so i can help am i mutiplying the 2 numbers or...?
Step-by-step explanation:
Answer:
11
Step-by-step explanation:
[tex]\frac{x}{5 \frac{1}{2} } \\\\ \frac{11}{11/2} \\\\11. \frac{2}{11}\\\\=2[/tex]
also,
[tex]x . \frac{2}{11} \\\\11 .\frac{2}{11} [x=11]\\\\=2\\[/tex]