Answer:
x > 15
Step-by-step explanation:
5x-7>4x+8
+7 +7
5x > 4x +15
-4x -4x
x > 15
hope this helps :)
Pls answer!! I’ll mark you brainlist if it’s correct!
Answer:
140 - 6(8)
140-48
140-48= 92
92 is your final answer.
A laptop has a listed price of $667.95 before tax. If the sales tax rate is 7.75%, find the total cost of the laptop with sales tax included.
Round your answer to the nearest cent, as necessary.
Answer:
$719.72
Step-by-step explanation:
Eighteen students decide they don't want to be
rescued and want to continue to live in the
jungle. If this represents 40% of the students,
how many students want to be rescued?
Type your answer into the box to continue.
Answer: 45
Step-by-step explanation:
18 = 40% N
18 = 0.4 N
Divide both sides by 0.4
N = 45
There are 45 students want to be rescued.
What is mean by Percentage?A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.
Given that;
Eighteen students decide they don't want to be rescued and want to continue to live in the jungle.
And, This represents 40% of the students.
Now,
Let the number of students want to be rescued = x
So, We can formulate;
⇒ 40% of x = 18
Solve for x as;
⇒ 40/100 × x = 18
⇒ 40x = 1,800
⇒ x = 1800/40
⇒ x = 45
Thus, The number of students want to be rescued = 45
Learn more about the percent visit:
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y =-0.011x + 40.604
What is the slope
HELPP ASAP I WILL GIVE 14 POINTS
Given:
A box-and-whisker plot of data set.
To find:
The percentage of the data values that are greater than 80.
Solution:
From the given box-and-whisker plot, it is clear that:
Minimum value = 8
First quartile = 60
Median = 68
Third quartile = 80
Maximum value = 92
We know that the 25% the data value are greater than or equal to third quartile because the third quartile divides the data in 75% to 25% and 80 is the third quartile.
Therefore, about 25% of the data values that are greater than 80.
What is the true solution to the equation below?
2 In eln2x - In eln 10x = In 30
X = 30
X= 75
X = 150
X=300
Answer:
x = 75 hope this helped
Step-by-step explanation:
The true solution to the equation is,
⇒ x = 75
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
We have to given that;
The expression is,
⇒ [tex]2 ln e^{ln2x} - ln e^{ln10x} = ln 30[/tex]
Now, We can simply as;
⇒ [tex]2 ln e^{ln2x} - ln e^{ln10x} = ln 30[/tex]
⇒ 2 ln 2x - ln 10x = ln 30
⇒ ln (2x)² - ln 10x = ln 30
⇒ ln (2x)² / 10x = ln 30
⇒ 4x² / 10x = 30
⇒ 4x = 300
⇒ x = 75
Thus, The true solution to the equation is,
⇒ x = 75
Learn more about the mathematical expression visit:
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Is this right? Please hurry im trying to get all my work done
Answer:
I’m pretty sure it’s right.
Step-by-step explanation:
What is the solution to this system of equations?
2.0 + 4y = 22
7x + y = 12
O (3, 4)
O (2,-2)
O (1,5)
0 (-1,6)
Answer:
(1,5) is the answer
For the parallelogram, if m<2=5x-28 and m<4=3x-10, find m<3
subtract 5 from 3 times r what is the answer
Answer: what is R equal to?
Step-by-step explanation:
what is the answer to these questions I will give brainly
Answer:
1) 12 2) 1/8
Step-by-step explanation:
1) 3 times 4 = 12
2) 1/2 times 1/4 = 1/8
64° (3x + 1)º Find the value of x. I need help!!
A 21
B 27
C 51
D 14
Answer:
Take away 1 from either side so the equation becomes 63=3x then divide both sides by 3 so it becomes 21=x which is your answer (option A)
Step-by-step explanation:
which three statements are true about the line segment CB
it's the radius of the circle
it is the circumference of the circle
it is a cord
it is 6cm long
it is diameter of the circle
it is 7cm long
it is 1.75cm long
Answer:
1. it is 7 cm long
2. it is a chord
3. it is the diameter of the circle
Step-by-step explanation:
Here, we want to select three statements that are true about CB
From what we have, CB runs from one edge to the other, passing through the center of the circle
Also, as we can see, AD is a radius as it is the distance from the center of the circle to the circumference; CB is twice this as it is the diameter
The diameter is a chord that passes through the center of the circle and it is a radius
So let us select the correct statements;
1. it is 7 cm long
2. it is a chord
3. it is the diameter of the circle
PLSSS HELP 50 POINTSS ILL SEND 40 MORE IF U HELPP PLSSS
The cost of the hiking trip this year is 2/3of the cost of last year's trip. This year's trip cost $32
1. Write an equation that represents the cost of last years trip.
2.What was the cost of last year's trip
Write the polynomial in standard form that represents the perimeter of the quadrilateral. 2x-9 x+5
Answer:
im pretty sure its -2x but i might be wrong
Step-by-step explanation:
The rivers depth is three meters greater than its width. two time the rivers depth is equal to six meters more than twice its width.
PLZ write a system of equations and show ALL work
WOULD APPRECIATE A LOT
Answer:
d = w + 3 (first equation)
2d = 2w + 3 (second equation).
The second equation is equivalent to the first one.
In other words, two equations carry the same information as the first one, not more.
In the language of linear algebra, the system is dependent
In right triangle ABC shown below, what is the length of BC?
Mrs. Wallace, who is always in a hurry, walks up an escalator that is also traveling
up. The escalator is d feet long and travels at a rate of 2 feet per second. Mrs.
Wallace, climbing the escalator at a rate of 6 feet per second, arrives at the top in
t seconds. Which equation best represents this information?
4 = dt
8 = dt
d = 41
d=81
Answer:
4 = dt
I hope this helps
Sorry if it's wrong
I need helpppppp!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer: C for sure
just did it
Answer:
C- 113m^2
Step-by-step explanation:
The area of a circle formula is A= [tex]\pi[/tex]r^2, so that equates to
A= [tex]\pi[/tex]6^2
[tex]\pi[/tex]36
3.14(36)
113.04, round it to 113
Lawrence found a shirt he liked in the clearance aisle for 15% off the original price. If the original price of the shirt was $35, how much will Lawrence be saving when he buys it?
Answer:
15/100 x 35 = $5.25
Of means multiplication
Always consider a percent as a fraction but it has to be out of 100.
A way to remember that is that the word "cent" means 100. So you multiply the two numbers (divide at the end 21/4 = 5.25)
3(2x-4)=3X-3. What is the x?
Answer:
x = 3
Step-by-step explanation:
Distributive property: a(b + c) = (a*b) + (a*c)
3(2x - 4) = 3x - 3
3*2x - 3*4 = 3x - 3
6x - 12 = 3x - 3 {Add 12 to both sides}
6x -12 + 12 = 3x -3 + 12
6x = 3x + 9 {subtract 3x from both side}
6x - 3x = 3x - 3x + 9
3x = 9 {Divide both sides by 3}
3x/3 = 9/3
x = 3
PLEASE HURRY
What is the volume of the rectangular prism?
Answer:
the answer is A
Step-by-step explanation:
3 1 / 2 ft 2
three and one half feet squared
There is a value of x for which the volume of the cuboid is a maximum.
(b) Find this value of x.
Show your working clearly.
Give your answer correct to 3 significant figures.
Answ
what is this for
Step-by-step explanation:
A cuboid with side lengths x, x and h has a surface area of
S=2x2+4xh.
We know that the total surface area should be 150cm2, so
150⟹150−2x2⟹h=2x2+4xh=4xh=75−x22x.
i need help answering this but also how to do it like step by step. i don’t understand this. (9 + 7x) - 7x
Answer: 9
Step-by-step explanation: so first you remove the ( ) because they’re useless in this then once you remove then Since two opposites add up to zero, remove them from the expression then you only get left with 9.
The diameter of a circle is 2 kilometers. What is the radius?
Answer:
The radius of the circle is 1 kilometer.
Step-by-step explanation:
The radius of the circle is the length from the very center of the circle to any other point in the circle. To find the radius, you only have to divide the diameter in half, so 2 ÷ 2 = 1. Hope this helped!! :]
what is the volume.
(pls hurry cause i have to turn in soon.)
can u help me finish setting up the tangent ratio?
This is because
tan(angle) = opposite/adjacent
For the reference angle 38, we have 10 as the opposite side and x as the adjacent side.
Therefore, tan(38) = opposite/adjacent = 10/x
Side note: if you solve for x, you should get roughly x = 12.799
Kade has $45 in savings and wants to purchase a video game console for $250. He has a coupon for 10% off, and sales tax is 8.25%. In order to be financially responsible, Kade wants to wait until he has enough in savings to not have to borrow money. If Kade is able to save $45 each week, what is the minimum number of weeks Kade should save before making his purchase?
Answer:
5 weeks
Step-by-step explanation:
First, solve for the total cost of the game console after tax and a coupon
Solve for tax:
$250 × 8.25%
Convert percentage into a decimal
250 × 0.0825
20.625
Round up to nearest hundredths place (because the unit is dollars)
20.63
Add this tax onto the original cost
250 + 20.63
270.63
Subtract the coupon from the total
270.63 - 10
260.63
Total cost is $260.63
Now let's find how much Kade needs to save so set up an equation
Variable x = number of weeks
45 + 45x = 260.63
Subtract 45 from both sides to isolate the variable
45x = 215.63
Divide both sides by 45
x = 4.791777...
Round up to nearest whole number (because units are weeks)
x = 5 weeks
BASED ON THESE NUMBERS, AND YOUR KNOWLEDGE OF FIBONACCI NUMBERS, IS THE STATEMENT THAT FOLLOWS TRUE OR FALSE? F(N+2) IS EXACTLY EQUAL TO THE SUM OF THE FIRST N TERMS OF THE FIBONACCI SEQUENCE.
A. TRUE
B. FALSE
Answer:
false
Step-by-step explanation:
Can you guys help me with this
11. f = 180-(75+65)
f = 180 - 140
f = 40°
12. x = 62+51
x = 113
y = 180- 113
y = 67°
13. x = 360-(100+95+60)
x = 360 - 255
x = 105°
PLEASE MARK THIS ANSWER AS BRAINLIEST
Answer:
Answers are given in the above photos.Hope that will help you surely.
Thank You.