Answer:
$9
Step-by-step explanation:
6(x-2)=42
x-2=7 (divide by 6 on both sides)
x=9 (add 2 to both sides)
The area of a circle of radius 1 is π units squared. Use scaling to explain why the area of a circle of radius r is πr^2 units squared.
The area of a circle that has a radius that is given as r is πr² units², while if the raidus is r, its area would be π units².
What is the Area of a Circle?Area of circle = πr², where radius is r.
Thus, given that a circle has radius (r) = 1 units
Area of the circle = π(1²) = π units²
If the radius is given as r, the area of the circle remains as πr².
Therefore, the area of a circle that has a radius that is given as r is πr² units², while if the raidus is r, its area would be π units².
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1.9x-0.8y=10 what is x
Answer: x = 0.421053y+5.263158
Step-by-step explanation:
x = 0.421053y+5.263158
Answer:
x=0.042105y+10/19
Step-by-step explanation:
Let's solve for x.
19x−0.8y=10
Step 1: Add 0.8y to both sides.
19x−0.8y+0.8y=10+0.8y
19x=0.8y+10
Step 2: Divide both sides by 19.
19x/19=0.8y+10/19
x=0.042105y+10/19
Does this image show an enlargement or a reduction?
17
Enter your answer in the first Blank
A
What scale factor was usada
Answer:
the image shows reduction
Step-by-step explanation:
the scale chosen is 1.7
plz answer fast
Which of the following expressions demonstrates the distributive property?
3 + 4 + 5 = 4 + 3 + 5
-2(5 + 7) = -2(7 + 5)
3(-8 + 1) = 3(-8) + 3(1)
6[(7)(-2)] = [(6)(7)](-2)
Answer:
3(-8+1) = 3(-8)+3(1)
Step-by-step explanation:
you multiply the value(s) in front of the parentheses to the values in them.
Answer:
3(-8+1) = 3(-8)+3(1)
Step-by-step explanation:
HOPETHISHOPES!!
The sum of two consecutive integers is – 175. Find the two integers.
Answer:
-88 and -87
Step-by-step explanation:
Since the two unknown integers are consecutive, one will be one more than the other. This means we can express them as x and x+1, so we only have one unknown in our equation. Since they add to -175, we can now write our equation:
x+(x+1) = -175
Take away brackets and combine like terms:
2x+1 = -175
Now we just need to isolate x which we can do by subtracting 1 from both sides and then dividing both sides by 2:
2x+1-1=-175-1
2x = -176
2x/2 = -176/2
x = -88
And our other number is -88+1 = -87
So our two numbers are -88 and -87 which are consecutive and add to 176:
-88+(-87) = -175
Hope this helped!
Which Judicial branch make the laws
Answer:The legislative branch
Step-by-step explanation:
In a race, a bicyclist travels 3 miles in 1/4 hour. Determine the unit rate for the speed
in miles per hour.
3/4 miles per hour
16 miles per hour
11/4 miles per hour
12 miles per hour
Step-by-step explanation:
the standard measure for speed is
miles per hour.
now we got as measurement
3 miles per 1/4 hour.
to give the standard speed or "unit rate" we assume that the bicyclist maintains the same speed for a whole hour.
and the question is : how many miles is he traveling then in that 1 hour ?
to answer this we have to check how often the actually measured unit of time fits into 1 hour.
1/4 hour fits 4 times into 1 hour.
and that factor applies now also to the miles to keep the value of the rate or ratio unchanged :
miles/time × a/a = miles×a/(time×a)
so that (time×a) = 1 hour
and so, he traveled 3×4 = 12 miles per hour.
Chris made $136 for 8 hours of work.
At the same rate, how many hours would he have to work to make $289?
Answer:
17 hours
Step-by-step explanation:
$136/8hr = $17 dollars an hour
$17/hr=$289/t
$17/hr t=$289
t=17 hours
Answer:
17 hours
Step-by-step explanation:
136 divided by 8 is 17, that is his hourly wages. Divide 289 by 17 = 17 hours
given:-x-4=9 prove:c=-13
Statements Reasons
1. -x-4=9 1. Given
2. -x=13 2.
3. x= -13 3. Divison Property of Equality
a. addition property of equality
b. subtraction property of equality
c. divison property of equality
d. multiplication property equality
Answer:
a. addition property of Equality
Write a statement that correctly describes the relationship between these two sequences: 2, 4, 6, 8, 10 and 1, 2, 3, 4, 5.
Answer:
The equation a + d(n-1)
Step-by-step explanation:
Where a is the first number in the sequence, d is the common difference and n is the position of a certain number in the series, e.g
1, 2, 3, 4, 5: a = 1, d = 1 (because 2-1=1, 3-2=1, 4-3=1, etc) and n = 1,2,3...
2, 4, 6, 8, 10: a = 2, d = 2 (because 4-2=2, 6-4=2, etc) and n = 1,2,3,4,5...
So for the second sequence, we could try to get the value of n in n = 6 as follows:
a + d(n-1) where a = 2, n = 6 and d = 2
Thus, 2 + 2(6-1) = 2 + 2(5) = 2 + 10 = 12
So the sixth number in the series would be 12
Bella works at a popular clothing store. Last winter, her manager asked her to track the store's sweater sales. This box plot shows the results. Price of sweaters sold ($) 30 40 50 60 70 80 What fraction of the sweaters cost $50 or less?
Answer:
1/2
Step-by-step explanation:
I got it wrong then it gave me the right answer of 1/2
The fraction of the sweaters that cost $50 or less is 50% is 1/2.
What is a median?It is the middle value of the given set of numbers after arranging the given set of numbers in order.
We have,
From the box plot,
Median = $50
Now,
Median = $50
This means,
50% of the clothes are above $50 and 50% of the clothes are below $50.
Now,
The fraction of the sweaters that cost $50 or less is 50%.
So,
= 50/100
= 5/10
= 1/2
Thus,
The fraction of the sweaters that cost $50 or less is 50% is 1/2.
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..............,.,.,.,.,.,..,.
Answer:
B) 18
Step-by-step explanation:
Perimeter = 2 + 2 + 1 + 2 + 1 + 2 + 1 + 4 + 1 + 2
= 4 + 3 + 3 + 5 + 3
= 7 + 8 + 3
= 10 + 8
= 18
The correct option is (B) 18
Answer:
18, option B
Step-by-step explanation:
Draw a hashmark like I have done in my drawing for each side exposed to the white.
Then count up all those hashmarks and voila, you have your answer!
Katherine recently had a swimming pool installed in her back yard. Using her water hose, she can put 90 gallons of water into the pool every hour. If the pool can hold 13,500 gallons, how long will it take to fill the pool?
A.
50 hours
B.
180 hours
C.
100 hours
D.
150 hours
Answer: D. 150 hours
Step-by-step explanation:
90 gallons = 1 hour
13,500 gallons = x hours
13,500 / 900 = 150
x = 150 hours
Hey guys I’m a little stuck ?
Solve for x in the triangle. Round your answer to the nearest tenth.
Answer:
3.9
Step-by-step explanation:
The right triangle is marked with the sides adjacent and opposite the angle. That suggests the relevant trig relation is ...
Tan = Opposite/Adjacent
tan(52°) = 5/x
x = 5/tan(52°) ≈ 3.9
The ratio of black pencils to total colored pencils in Lauren's backpack is 1:9. How many orange pencils does Lauren have in her backpack?
Answer: Maybe Can Help..
2:18
3:27
4:36
5:45
6: 54
7:63
8:72
Step-by-step explanation:
Is it possible to build a triangle with the side lengths of 9,7, and 16?
Please help! 11pts!!
Answer:
False
Step-by-step explanation:
To be able to build a triangle, the sum of the lengths of any 2 sides must be greater than the length of the third side.
With lengths 9, 7, and 16, 9 + 7 = 16.
You would need 9 + 7 > 16.
Therefore, these sides cannot be used for a triangle.
A rabbit population of 500 was introduced in a certain
county of Eagleville. Biologists observe that the population
increases 25% each year. Complete the following:
a. Identify a and b.
b. Write an exponential function that models the situation if
the trend continues.
C. How many rabbits will be in
Eagleville after 10 years?
Don’t copy and paste another answer. Will mark brainliest for correct answer.
Answer:
y = abx, with a > 0, b is the growth factor; it corresponds to the constant ratio r in a geometric sequence.Step-by-step explanation:
For a school fundraiser, Elena will make pirate masks. She will order masks and print graphics on them. Elena must spend $349 on the printer before she can print any masks and then $4.80 on each mask. If she has $997 how many masks can she print? Answer as a number!
Answer:
135 masks
Step-by-step explanation:
i hope my math is right lol
Answer:
135 masks
Step-by-step explanation:
First, we take $997 and subtract that by $349
$997 - $349 = $648
To find how many masks Elena can print, we divide $648 dollars by $4.80. Since one mask is equivalent to $4.80
$648 ÷ $4.80 = 135
135 masks
What is the greatest possible integer solution of the inequality 3.829x < 28.195?
Answer:
7
Step-by-step explanation:
A scientist measures the velocity of a major ever at various depths. After collecting and analyzing the data, the scientist determines that the equation y = -0.1140 + 1.658, where I represents the
depth in feet and y represents the velocity of the river, in feet per second can be used to model the data. The linear model has a correlation coeficient or 0.964
Part
Explain what the slope and intercept of the equation mean in terms of the context
Part 8
Explain what the correlation concient indicates about the relationship between the two varables
Answer:
Hi to be in the morning and evening and I'm so happy to have you ever been a while back and watch it again this week is over and see the light of day of the 2
Please help me ASAP
( Will mark brainliest )
Answer:
I think A, but if not I am soooooo sorry
The question is attached
[tex]cos(A - B) = cos A cos B + sin A sin B[/tex]
In this case, A is [tex]\frac{\pi }{3}[/tex] and B is [tex]\frac{\pi }{5}[/tex], so:
[tex]cos\frac{\pi}{3} cos\frac{\pi}{5} +sin\frac{\pi }{3} sin\frac{\pi }{5} =cos(\frac{\pi}{3} -\frac{\pi}{5} ) = cos\frac{2\pi}{15}[/tex]
Hope that helps!
can someone help please ?
Answer:
yes they are
Step-by-step explanation:
(a-b)² = (a-b)×(a-b) = a²-b²
Answer:
No they are not
Step-by-step explanation:
squaring that expression will come out to be a^2-2ab+b^2
this is because you are doing (a-b)(a-b), so you have to multiply each term from the first set of parenthesis by each term in the second set of parenthesis.
a^2-ab-ab+b^2
a^2-2ab+b^2
(a-b)^2≠a^2-b^2
A number has the digits 6, 8, and 2. To the nearest hundred, the number rounds to 900.
What is the number?
Answer:
862
Step-by-step explanation:
What is the slope of a line that is perpendicular to the graph of y = 2x + 5? A-² B 72 C2 D-2
*WILL GIVE BRAINLIEST FOR BEST ANSWER*
What is the m∡f in the figure shown?
°
Answer:
61
Step-by-step explanation:
f=98-37=61(exterior angle is equal to the sum of opposite Interior angles)
Natalie likes to mail lots of postcards when she goes on holiday. In 2014 the cost of a single postcard stamp was 0.34
1. Today Natalie buys 10 postcard stamps so what is the total cost of the stamps
2. Natalie and her freinds decide to buy 100 postcard stamps what will be the total cost of the stamps now?
Answer:
1: $3.40 2: $34.00
Step-by-step explanation:
you take 0.34 and multiply it by how many stamps you have. So in this case you have 10 stamps for #1 so you move the decimal over to the right once (since one step is a tenth) and you have $3.40 and for 100 stamps you restart with 0.34 and move the decimal over to the right twice since that would be one-hundredths, and you would get 34. or when you add the units $34.00
I need help with this can someone PLEASE HELP
go to 0 click on it then make it open circle and make the line go to the right
make the lin
2. A dress that originally costs $89.75 is on sale for 30% off.
Answer: $62.82
Step-by-step explanation: