Answer: 200.96
Step-by-step explanation:
The find the surface area of a circle use its formula
A =4 pi * r^2
A = 4* 3.14 * 4^2
A = 12.56 * 16
A = 200.96
A climber starts at an elevation of -200 meters and her change in elevation is 300 meters up. What is her final elevation?
Answer:
100
Step-by-step explanation:
because -100 0 then positive 100
1. All of the variables below are directly proportional, write an equation linking them:
a. V= 12 when M =4
b. T= 5 when S=1
c. Y= 34 when x=2
d. H=48 when M=4
e. P= 5 when N=10
Answer:
a. V = 3M
b. T = 5S
c. Y = 17x
d. H = 12M
e. P = 0.5N
Step-by-step explanation:
a. V= 12 when M =4
12/4 = 3, so in this case, V is 3 times M, that is, V = 3M
b. T= 5 when S=1
5/1 = 5, so in this case, T is 5 times S, that is, T = 5S
c. Y= 34 when x=2
34/2 = 17, so in this case, Y is 17 times x, that is, Y = 17x
d. H=48 when M=4
48/4 = 12, so in this case, H is 12 times M, that is, H = 12M
e. P= 5 when N=10
5/10 = 1/2 = 0.5, so in this case, P is half of N, that is, P = 0.5N
Find the unit rate. 84 miles in 12 days
(Ratio)
Answer:
84:12
7:1
hope this helps, good luck :)
Answer:
84:12
7:1
divide each by 12
a2(5x – 3) = 24
b) 5(2x + 1) = 50
Answer:
A= x=3
B= x=9/2
Step-by-step explanation:
the scale on a map is 1:25000. how many km on the ground is represented by 6cm on the map?
Given:
The scale on a map is 1:25000.
To find:
How many km on the ground is represented by 6cm on the map?
Solution:
Let x be the km on the ground.
We know that,
1 km = 1000 m
1 m = 100 cm
So,
1 km = 100,000 cm
x km = 100,000x cm
The scale on a map is 1:25000. It means the ratio of map and ground is equal to 1:25000.
[tex]\dfrac{1}{25000}=\dfrac{6}{100,000x}[/tex]
[tex]\dfrac{100,000x}{25000}=6[/tex]
[tex]4x=6[/tex]
[tex]x=\dfrac{6}{4}[/tex]
[tex]x=1.5[/tex]
Therefore, 1.5 km on the ground is represented by 6cm on the map.
Annika saving money for a trip. She's able to save $75 a week. Her friend from Iceland Eva is also saving money. Eva is able to save 9000 Kronas (Icelandic money) each week. If $4 is equal to 509 Kronas, who is saving at a greater rate?
please show your work/steps
Answer:
Annika is saving more money than Eva
Step-by-step explanation:
first I divide 9000 by 509 and got 17.68 then I multiplied that by 4 and got 70.72 so that is what eva makes a week in us dollars
X+y = -15 in y = mx+b form
Answer:
y=-15x+b
Step-by-step explanation:
Just move it around and use a calucator
One year, the population of a city was 127,000. Several years later it was 129,540. Find the percent increase.
Answer:
2%
Step-by-step explanation:
Answer: 2%
Step-by-step explanation: Method 1
Express the ending population as a percentage of the starting population:
127000 /129540= 1.02
1.02×100= 102%
Subtract the starting 100% to get the percent increase:
102%−100%= 2%
Someone help please
2. Gerald was given the following problem to solve for the length of the “?”. He has made a mistake in his work. Identify and describe how he made his mistake. Then, solve the problem correctly.
Answer:
The 14 should be 14-x.
x=6
Step-by-step explanation:
The 14 should be 14-x
24/(14-x)=18/x
24x=18(14-x)
24x=252-18x
24x+18x=252
42x=252
x=252÷42=6
What is 5.23 divided by 9
Answer:
[tex]\frac{5.23}{9} = 0.581111[/tex]
Step-by-step explanation:
5.23 / 9 = 0.5811111
Find the length of side w.
43.6 cm
18.0 cm
36.5 cm
21.4 cm
Answer:
It's 36.5
Step-by-step explanation:
The Amar family drives 90 miles in 2 hours, as shown on the double number line below.
image 05c5e308c558498fa8ba743ccde15e1d
At this rate, how many hours will it take the family to drive 225 miles?
A.
2.5 hours
B.
5 hours
C.
6 hours
Answer:
oh nah 1.98
Step-by-step explanation:
Answer: 45
Step-by-step explanation:
divide 90 by 2
middle school math
p+12=17 what does p equal in this situation
Answer:
5
Step-by-step explanation:
5+12= 17
Equation/Question:
P+12=17 What does P equal in this situation?
Answer/Steps to answer:
1. Subtract 12 from both sides.
p=17-12
2. Simplify 17-12 to 5.
p=5
-------------------
Checking:
P+12=17
1. Let p=5.
5+12=17
2. Simplify 5+12 to 17.
17=17
Done by NeighborhoodDealer
Guys, PLEASE HELP! These are my last points. PLEASE EXPLAIN AS WELL! WORTH 25 POINTS!
Answer:
the slope is 2
Step-by-step explanation:
Compare -3 and 9. Which of the following is true?
O A. 1-31 > 191 and -3 < 9
B. 1-31 < 19 and -3<9
C. 1-31 = 19 and -3 < 9
D. 1-31 > 191 and -3>9
Please I need help
Answer:
b :)
Step-by-step explanation:
If you simplify it you get:
|-3|<|9|
3 < 9
true
and -3 < 9
true
what is 4 divided by 3/4?
Answer:
16/3 or 5.33
Step-by-step explanation:
Cross multiply
4/1 * 3/4
4 * 4 = 16
3 * 1 = 3
One morning, the temperature outside was -3°F. By 5:00PM the temperature had decreased 15°F. What was the temperature at 5:00 PM?
a. -18°F b. -12°F C. 12°F d. 18°F
Answer:
A.
Step-by-step explanation:
If the temperature was -3°F at first, but had decreased 15°F degrees by 5:00pm, it would be -18°F.
-3 - 15 = -18
Correct me if I end up being wrong.
PLEASE HELP
3 dozens = _______ units
Answer:
36 unit
Step-by-step explanation:
1 dozen= 12 units
3 dozen = 12 × 3 = 36 units
PLS HELP!!!! :))) BDHDHSJWJDJD
Answer:
Your answer is "H"
Step-by-step explanation:
Does anyone knows this please
First question:
-2x x 5x
Second question:
(8x)^2
Please
.
Answer:
1) [tex]-10x^2[/tex]
2) [tex]64x^2[/tex]
Step-by-step explanation:
First question:
-2x . 5x = [tex]-10x^2[/tex]
Second question:
[tex](8x)^2=8x.8x= 64x^2[/tex]
There are 38 students in Mr. Reynolds math class and 20 are boys.If a student is selected at random what is the probability that a girl is selected?Give the answer as a fraction in simplest form.
Answer:
9/19
Step-by-step explanation:
if 20 students are boys, then the remaining students are girls. 38-20 = 18
There are 18 girl students.
18/38 can be simplified to 9/19
Answer:
9/20
Step-by-step explanation:
Help it’s 50% of my grade
Answer:
(1/2)x+(1/4)=x
x=0.5
3x+3=2(x+7)
x=11
2(x-5)+7=x+8
x=11
0.8x+5=0.2(40-x)
x=3
5(x-1)-6x=-11x
x=0.5
6(x+2)-x=4(x+4)+7
x=11
(1/2)(x+8)+(3/2)x=10
x=3
Step-by-step explanation:
(1/2)x+(1/4)=x
x-0.5x=0.25
0.5x=0.25
x=0.5
3x+3=2(x+7)
3x+3=2x+14
3x-2x=14-3
x=11
2(x-5)+7=x+8
2x-10+7=x+8
2x-x=8+10-7
x=11
0.8x+5=0.2(40-x)
0.8x+5=8-0.2x
0.8x+0.2x=8-5
x=3
5(x-1)-6x=-11x
5x-5-6x=-11x
11x-x=5
10x=5
x=0.5
6(x+2)-x=4(x+4)+7
6x+12-x=4x+16+7
6x-4x-x=16+7-12
x=11
(1/2)(x+8)+(3/2)x=10
0.5x+4+1.5x=10
2x=6
x=3
Customers left Jill $2.50 as a tip. The tip was 20% of the total. How much was the bill?
Answer:
$12.50
Step-by-step explanation:
Answer:
The bill was $12.50
Step-by-step explanation:
Brainliest please... nvm
Find the area. Answer without units
IF i make 525 dollars
a second how long
will it take to make
2 million dollars
Answer:
ewan ko sorry kailangan lang ng points
Answer:
You would make 2 million dollars in 63 minutes, sure would be nice too.
Step-by-step explanation:
The diagram shows a semi-circle inside a rectangle of length 120 m.
The semi-circle touches the rectangle at A, B and C.
Not to scale
A
C
120 m
Calculate the perimeter of the shaded region,
Give your answer correct to 3 significant figures,
(5 marks)
I
Answer:
Answer is 30 m
Step-by-step explanation:
First calculate the cricumfrance of the circle, then divide it by 4 and thats the edge of the shaded area and the radius is the other edjes im pretty sure
6.1 - 5.4 - ( 7.7)
help
Answer:
-7
Step-by-step explanation:
i used a calculator
Use continuity to evaluate the limit.
lim 16+radical x/ radical 16+x
1+9
Consider the intervals for which the numerator and the denominator are continuous.
The numerator 16+ radical x is contintuous on the interval
[0,00)
0
The denominator V16 + I is continuous and nonzero on the interval
(16,00)
X
The interval for which the quotient is continuous is the intersection of the above intervals.
16+
Therefore, the quotient
is continuous on the interval
716 +1
[-16,0]
X
Since 2
9 is in the interval (0, 0), then fis continuous at x = 9. Therefore,
19
16 + VE
lim
179 16 +2
f(9)
00
Question Help: Message instructor
Submit Question
Answer:
Use continuity to evaluate the limit.
lim 16+radical x/ radical 16+x
1+9
Consider the intervals for which the numerator and the denominator are continuous.
The numerator 16+ radical x is contintuous on the interval
[0,00)
0
The denominator V16 + I is continuous and nonzero on the interval
(16,00)
X
The interval for which the quotient is continuous is the intersection of the above intervals.
16+
Therefore, the quotient
is continuous on the interval
716 +1
[-16,0]
X
Since 2
9 is in the interval (0, 0), then fis continuous at x = 9. Therefore,
19
16 + VE
lim
179 16 +2
f(9)
00
Question Help: Message instructor
Submit Question
Step-by-step explanation:
For the line of fit h(t)=0.6t+0.44 , what is the residual value of the data point at t=11?
Answer:7.04
Step-by-step explanation
solve for x please, will give braknliest