Answer: The grade of the hill = 50%
Step-by-step explanation:
The grade is the slope( expressed as a percent). To evaluate the slope we divide the rise by the run.
Given: A hill on a hiking trail goes up to 69 feet over a distance of 138 feet.
So, rise= 69 feet , run = 138 feet.
The grade of the hill = [tex]\dfrac{rise}{run}\times100[/tex]
[tex]=\dfrac{69}{138}\times100=50\%[/tex]
Hence, the grade of the hill = 50%
60 Points solve for x and show work -x + 6 = 4
Answer:
-x=-6+4
-x = -2
x= 2
Step-by-step explanation:
make it braintliest please
A colony of 15000 bacteria doubles in size every 470 minutes. What will the population be 940 minutes from now ?
Answer:
60,000
Step-by-step explanation:
A choir director at your school wants to divide the choir into smaller groups. There are 24 sopranos, 60 altos, and 36 tenors. Each group will have the same number of each type of voice. What is the greatest number of groups that can be formed?
GCF or LCM?
GCF
GCF
LCM
LCM
Answer:
gcf
Step-by-step explanation:because it say greatest number of groups
Find 7% of 24.
help!
Answer:
1.68
Step-by-step explanation:
mark brainliest
Answer:
16.8
Step-by-step explanation:
Turn the percentage into a decimal.
7% = 0.7
Multiply.
24 * 0.7 = 16.8
Best of Luck!
How many hours does it take to clean all the windows on the burj Khalifa
Answer:
It takes three months to clean all the windows.
Step-by-step explanation:
The building is cleaned four times a year.
Which of the following does not form a proportion?
5/8 = 10/16
25/40 = 10/16
15/24 = 10/16 5/9 = 10/16
Answer:
5/9 = 10/16 is not proportional
Step-by-step explanation:
5/8=10/16 (If you simplify you will get 5/8=5/8 which is true)
25/40=10/16 (If you simplify you will get 5/8=5/8 which is true)
15/24=10/16 (If you simplify you will get 5/8=5/8 which is true)
5/9≠10/16 (If you simplify you will get 5/9=5/8 which is not true)
Hope this helps
PLS ANSWER THE QUESTION AND HELP ME SOLVE THE EQUATION
Answer:
40 + 2x = 180
Step-by-step explanation:
Since it is an isosceles triangle, there will be 2 angle x's and all angles will equal to 180 degrees, therefore the equation that will help with finding the measurement of angle x is 40 + 2x = 180.
Solve the question.
A shirt cost $45.00. If Gina has a coupon for 15% off, how much money will she save?
Answer:
6.75$
Step-by-step explanation:
Write the equation in standard form of the line that passes through (-1,-4) parallel to 9x -y = 4
Answer:
9x-y=-5
Step-by-step explanation:
First, put this equation into slope intercept form (makes it easier)
9x-y=4
subtract 9x from both sides
-y=-9x+4
multiply by -1 on both sides
y=9x-4
Parallel lines have the same slopes, so the second line is y=9x+b (b is a placeholder for the y intercept)
now, find the y intercept
since the line has to go through (-1,-4), plug it into the equation
-4=9(-1)+b
-4=-9+b
5=b
so now the line would be y=9x+5... in slope intercept form. The question asks for the answer to be in standard form.
5 from both sides
y-5=9x
subtract y from both sides
-5=-y+9x
or
9x-y=-5
PLEASE HELP!! 20 POINTS
Answer:
The construction describe :---
b) The perpendicular bisector of AB.
An 11 pound turkey costs $15.00, while the 16 pound turkey is on sale for $20.00. How much would you save with the sale price?
stan earned $7.55 per hour plus an additional $100 in tips waiting tables on Saturday evening. He earned $160 in all. To the nearest hour, what is the least number of hours Stan would have to work to earn this much money?
Answer:
8 hours
Step-by-step explanation:
Calculator 60 divided by 7.55= 7.94 round to 8
The amount of time Stan works to earn $160 will be 7.94 hours.
What is an expression?Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Given that Stan earned $7.55 per hour plus an additional $100 in tips waiting tables on Saturday evenings. He earned $160 in all.
The working time will be calculated by making an equation assuming the working time to be x hours.
7.55x + 100 = 160
7.55x = 160 - 100
7.55x = 60
x = 60 / 7.55 = 7.94 hours.
Therefore, the amount of time Stan works to earn $160 will be 7.94 hours.
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i need help asap can anyone do this?
Step-by-step explanation:
since they are similar...
DF= 2.68
EF= 2.01
This problem is completing our example from the end of the recording today.) We have a 20 foot ladder and lean it against the house at a 75 degree angle with the ground. a) How far up the house does the ladder reach? b) How far from the house is the bottom of the ladder?
Answer:
a) The ladder reach 19.32 foot up the house
b) The bottom of the ladder is 5.18 foot from the house
Step-by-step explanation:
An illustrative diagram of the scenario is attached below.
From the diagram, we have a right angle triangle with the length of the ladder being the hypotenuse. The opposite indicates how far up the house the ladder reach and the adjacent indicates the distance of the bottom of ladder from the house.
a) To determine how far up the house the ladder reach, that is the opposite. Let the opposite be y
From the formula
Sinθ = Opposite / Hypotenuse
Where θ is the angle subtended
Here θ = 75°
Hypotenuse = 20 foot
∴ sin75° = y / 20
y = 20 × sin75°
y = 20 × 0.9659
y = 19.32 foot
Hence, the ladder reach 19.32 foot up the house.
b) To determine how far from the house the bottom of the ladder is, that is the adjacent. Let the adjacent be x
From the formula
Cosθ = Adjacent / Hypotenuse
Where θ is the angle subtended
Then,
cos75° = x / 20
∴ x = 20 × cos75°
x = 20 × 0.2588
x = 5.18 foot
Hence, the bottom of the ladder is 5.18 foot from the house.
in a hall, there are 3 boys to every 4 girls. if there are 36 more girls than boys, how many children are there in the hall?
Answer:
I believe the answer is that there are 252 children in the hall in total.
Step-by-step explanation:
A triangle has angles of 124, 28° and 28º. Using the given angle measures, how many triangles can be formed?
Answer: 340
Step-by-step explanation:
Write a system of linear equations for the graph below.
Answer:
y=-1/2x+2
y=-3x-3
Step-by-step explanation:
Slope is rise/run, so finding slope is looking at y/x of the lines in between two points.
Then finding the y-intercept you look along the y-axis where the line passes through and what the value there is (look out for positive or negative!).
I honestly have no clue
Answer:
I really dont know
Step-by-step explanation:
2+2????
Answer:
fourth option
Step-by-step explanation:
If f(x) and g(x) are inverse functions , then
(f ￮ g(x) = (g ￮ f)(x) = x for all real numbers
What do you call the inputs or the X values of a function? A. Functions B. Domain C. Range D. Relation
Answer: Domain
Step-by-step explanation: I don’t know how to explain it but I hope you understand it!
What is 0.08 percent as a ratio
answer:
0.08 percent as a ratio is: 8/100
explanation:
hope this helped <3 also if wouldn't mind could you pls give me brainliest? (im trying to level up) thanks! :)
Answer:
8/100
simplest form 2/25
Step-by-step explanation:
-5 + a = -10
how do i solve for a??
Answer:
you have to change the -5 to a 5 then add 10 to it then you get 15, so a=15
A department store is offering the same percentage discount on all of their shoes. Suppose one pair of shoes is marked down from $70 to 549. Based on that percentage discount, what would the new price
for a pair of shoes that originally cost $110?
A89.00
B.77.00
C.73.33
D.33.00
O
Answer:
B.77.00Step-by-step explanation:
Note: there is typo- 549 should read $49
Discount is:
$70 - $49 = $21Discount % is:
21/70*100% = 30%Applying same discount to pair of shoes for $110:
$110 - 30% =$110*(100 - 30)/100 = $110*0.7 =$77Correct option is B
0 × 4 - 2 × (4² ÷ 4) ÷ 2 ÷ 1/2 + 9. = 10 × 4 - 2 × (16 ÷ 4) ÷ 2 ÷ 1/2 + 9 = 10 × 4 - 2 × (4) ÷ 2 ÷ 1/2 + 9 -10 ÷ (20 ÷ 2² × 5 ÷ 5) × 8 - 2.
I NEED HELP! WHAT IS THIS! I'LL GIVE YOU 15 POINTS
Answer:
5=5=5
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
I am totally confused about this
[tex]\bold{Hello!}\\\bold{Your~Answer~Is~Below!}[/tex]
______________________________
[tex]\bold{Solution~Steps:}[/tex]
1.) Input [tex]a=4[/tex], [tex]b=3[/tex], and [tex]c=9[/tex] into the equation.
[tex]\frac{4^2-2*3*9}{7}[/tex]2.) Calculate 4 to the power of 2.
[tex]4^2=16[/tex]Equation at the end of this step: [tex]\frac{16-2*3*9}{7}[/tex]3.) Multiply 2 and 3.
[tex]2[/tex] × [tex]3=6[/tex]Equation at the end of this step: [tex]\frac{16-6*9}{7}[/tex]4.) Multiply 6 and 9.
[tex]6[/tex] × [tex]9=54[/tex]Equation at the end of this step: [tex]\frac{16-54}{7}[/tex]5.) Subtract 54 from 16.
[tex]16-54=-38[/tex]Equation at the end of this step: [tex]\frac{-38}{7}[/tex]6.) Fraction [tex]\frac{-38}{7}[/tex] can be rewritten as a decimal by dividing:
[tex]-38[/tex] ÷ [tex]7=-5.42857143[/tex]______________________________
[tex]\bold{Answer:}[/tex]
[tex]-5.42857143[/tex]______________________________
[tex]\bold{Hope~this~helps,}\\\bold{And~best~of~luck!}\\\\\bold{~~~~~~~-TotallyNotTrillex}[/tex]
please someone help me
use slope two point formula ans is 3/4
Answer: 3/4
Step-by-step explanation:M=5-2/1 - -3
h(n) = 3n+ 5
g(n)=n + 3
Find (h - g)(n)
Answer:4r4r3r434r3r4vcc4cvg4vxc
4r4r4r4r4r4r4r4r344r3r3
r44r3rStep-by-step explanation:
express 3 4/5 as a percent rounding to the nearest tenth of a per
Answer:
3.8%
Step-by-step explanation:
if what you meant was percent, then thats your answer
Rudy delivers Chinese and earns $7.50 an hour. He averages about $6 per hour in tips. About how much does he earn in a 40 hour week?
Answer:
540 dollars
Step-by-step explanation:
You multiply 7.50 by 40 and get 300, then you multiply 6 times 40 and get 240, and you will add 300 plus 240 and get 540
Which ratio is equivalent to the ratio 33:39?
The ratio which is equivalent to 33:39 is 11:13
Equivalent ratioAn equaivalent ratio are fraction whose value are equal and are integral multiples of each other.
For example 1:2 = 2:4
Since 1:2 = 1 × 2 : 2 × 2 = 2 : 4
Also, 2:4 = 2 ÷ 2: 4 ÷ 2 = 1 : 2
We see that 1:2 and 2:4 are equivalent since we multiply 1:2 by 2 to get 2:4 or divide 2:4 by 2 to get 1:2.
Finding the equivalent ratio to 33:39So, to find the ratio equivalent to 33:39, we write 33:39 in its simplest terms.
So, 33:39 = 11 × 3 : 13 × 3
= 11 : 13
So, the ratio which is equivalent to 33:39 is 11:13
Learn more about equivalent ratio here:
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