Answer:
Parallel lines never intersect, but they must be in the same plane. The definition does not require the undefined term point, but it does require plane. Because they intersect, perpendicular lines must be coplanar; consequently, plane is not required in the definition.
Alexa bought 3 umbrellas for a total of $18. What was the unit rate for each umbrella?
i’m confused on this- can someone help me?
Answer: great adventure theme park is more expensive
Step-by-step explanation:
Ryan is studying. The number of minutes he has studied varies directly with the number of calories he has burned. See the
graph below.
How many minutes does ryan study per calorie burned?
What is the slope of this graph?
Answer:
0.1 minute per calorie burned. Slope is up 0.1 , right 1. or 0.1/1
Step-by-step explanation:
You find a point such as (10,100) or (20,200) then you divide the number of minutes by calorie burned to get minutes per calorie burned.
0.392 is what percent of 28?
Pleasee
Answer:
28% of 0.392=0.10976
Step-by-step explanation:
1. We assume, that the number 0.392 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 0.392 is 100%, so we can write it down as 0.392=100%.
4. We know, that x is 28% of the output value, so we can write it down as x=28%.
5. Now we have two simple equations:
1) 0.392=100%
2) x=28%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
0.392/x=100%/28%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.
Solution for what is 28% of 0.392
0.10976
One plus a number y is no more than - 13.
Answer: 1 + y ≤ -13
Step-by-step explanation:
Maggie wants to buy a new energyefficient refrigerator. Her old refrigerator uses about 1200 kWh per year,while the new one would use about 400 kWh per year. Approximately how much money would Maggie saveper year if she buys the new refrigerator?
Answer:
800 Kwh
Step-by-step explanation:
To solve this problem, we need to find the difference in energy saved and then multiply by the cost of 1kWh of electricity
How much did Maggie save?Let's first of all calculate the the difference in energy saved
Data;
old refrigerator = 1200kWhnew refrigerator = 400kWh[tex]1200 - 400 = 800kWh[/tex]
Maggie would've saved 800kWh in one year.
But since we were not given a standard cost of electricity, we would assume that 1kWh will cost $1.
So, to determine how much she must've saved, we simply multiply $1 by 800kWh
[tex]1 * 800 = $800[/tex]
Using our assumptions, she would've saved $800 in one year.
Learn more on rate of power here;
https://brainly.com/question/14878357
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help plz
can someone simplify 3 to the power of 2 times 3 to the power of 3
Answer:
(9)(27) also 243
Step-by-step explanation:
So, 3^2=9, and 3^3=27, so (3^2)(3^3) is equal to (9)(27) or 243
4
A system of equations is shown below.
5x + 2y = -15
2x - 2y = -6
What is the solution to the system of equations?
A
(-3,0)
B
(0, -3)
С
(-3,6)
D (6,-3)
Answer:
the answer for this question is
A(-3,0)
A 13.5 m fire truck ladder is leaning against a wall.
Find the distance the ladder goes up the wall if it
makes an angle of 43.8° with the ground.
To solve this problem you must apply the proccedure shown below:
1. You have the the 13.5-m fire truck ladder is leaning against a wall and the ladder makes an angle of 39 degrees 45 ' with the horizontal.
2. Then you have:
39 degrees 45'=39.75°
Sin(39.75°)=d/13.5
d=13.5xSin(39.75°)
d=8.63
Write an equation for line L in mpoint-slope form and slope-intercept form.
L is perpendicular to y = 5x.
Answer:
X and A half marks Nathan and na ha na na he and na na he Meena new q me new me know if you
Step-by-step explanation:
erert4 Ka a manual Mrs Ann messed hall hall USS jam
Order the following set of numbers from least to greatest.
0.09, 1%, 11%,
1/8
One lap around the lake is 710 mile.
Dasha runs 9 laps around the lake.
Use the drop-down menus to complete the equation.
Can someone help me..
ˏ₍•ɞ•₎ˎplease
[tex] {( - 3)}^{2} [/tex]
Answer:
9
Step-by-step explanation:
(-3)^2 = -3 * -3
= 9
I need help with this geometry question
Step-by-step explanation:
m<2= 180-90-41= 49°
m<4=90°
m<5=41
m<9=36°
Find the area of the trapezoid.
1 1/2cm
4 cm
3 1/2 cm
Determine the domain and range of the line graphed
Answer:
Domain: (-∞, ∞)
Range: (-∞, ∞)
General Formulas and Concepts:
Algebra I
Reading a Cartesian planeDomain is the set of x-values that can be inputted into function f(x) Range is the set of y-values that are outputted by function f(x) Interval Notation - [Brackets] denote inclusion, (parenthesis) denote exclusionStep-by-step explanation:
According to the graph, we see our x-values span from negative infinity to positive infinity:
Interval Notation - (-∞, ∞)
Inequality Notation - ∞ < x < ∞
According to the graph, we see our x-values span from negative infinity to positive infinity:
Interval Notation - (-∞, ∞) or all real numbers
Inequality Notation - -∞ < y < ∞
What is the equation of this trend line?
Enter your answers by filling in the boxes.
K =
J +
Scatter plot on a first quadrant coordinate grid. The horizontal axis is labeled Variable J. The vertical axis is labeled Variable K. Points are plotted at begin ordered pair 2 comma 16 end ordered pair, begin ordered pair 2 comma 24 end ordered pair, begin ordered pair 4 comma 16 end ordered pair, begin ordered pair 4 comma 20 end ordered pair, begin ordered pair 5 and 93 hundredths comma 9 and 62 hundredths end ordered pair, begin ordered pair six comma 12 end ordered pair, begin ordered pair 6 comma 16 end ordered pairm beign ordered pair 10 comma 2 end ordered pair, begin ordered pair 10 comma 8 end ordere dpair. A line is drawn through begin ordered pair 2 comma 24 end ordered pair, begin ordered pair 4 comma 20 end ordered pair, begin ordered pair 6 comma 16 end ordered pair, and begin ordered pair 10 comma 8 end ordered pair.
Answer
so its 2 and 24
Step-by-step explanation:
A line passes through the point (-8,7) and has a slope of 5/4 write equation in slope intercept form
Answer:
[tex]y=\frac{5}{4} x[/tex]+17
Step-by-step explanation:
Okay for this you take the point (-8+7) and plug it into the equation getting you this 7=[tex]\frac{5}{4}[/tex](-8)+b
If you multiple [tex]\frac{5}{4\\}[/tex] by -8 you get -10
You then add -10 to the other side to get 17
that means 17=b
meaning you get [tex]y=\frac{5}{4} x[/tex]+17 by plugging in 17 to b
Which relations represent functions?
Answer:r
Step-by-step explanation:
The average weight of 8 marbles is 3.5 g. What is the total weight of the marbles?
Answer:
Take 8÷3.5. So the answer is aprominently 2.29.
During a session, a senate had a total of 104 Democrats and Republicans. There were 4 fewer Democrats than Republicans. How many members of each party were
there?
Answer:
54 republicans
50 democrats
Step-by-step explanation:
x=republicans
y=democrats
x+y=104
x=y+4
substitute for y
y+4+y=104
simplify
2y=100
y=50
x=54
expand: x(3 + 9). please
Answer:
x(3 + 9) = 3x + 9x = 12x
Step-by-step explanation:
...........
2(6x + 3) = 18 - 3(16 - 3x)
Which of the following is not a statement?
a) Math is hard.
b) v2 is a rational number.
C) Plants require water to live.
d) Lake Martin is a man-made lake.
A ) I am just guessing
isbslw
A population of 2000 fish increases at an annual rate of 7.5%. Write the model, then predict how
many fish will there be in 10 years?
Answer:
The model is [tex]P(t) = 2000(1.075)^{t}[/tex].
There will be 4122 fish in 10 years.
Step-by-step explanation:
Exponentially increasing population:
An exponentially increasing population can be represented by the following model:
[tex]P(t) = P(0)(1+r)^t[/tex]
In which P(t) is the population after t years, P(0) is the initial population, and r is the growth rate, as a decimal.
A population of 2000 fish increases at an annual rate of 7.5%.
This means that [tex]P(0) = 2000, r = 0.075[/tex]
So
[tex]P(t) = P(0)(1+r)^t[/tex]
[tex]P(t) = 2000(1+0.075)^t[/tex]
[tex]P(t) = 2000(1.075)^{t}[/tex]
This is the model.
How many fish will there be in 10 years?
This is P(10).
[tex]P(t) = 2000(1.075)^{t}[/tex]
[tex]P(10) = 2000(1.075)^{10} = 4122[/tex]
There will be 4122 fish in 10 years.
Help
Find x:
1.46
2.90
3.36
4.126
Answer:
First answer
Can anyone help me with this? (I also need a reasoning)
Pls can anyone help il give more points plsss
Answer:
1. 25
2. 3 hours
3. from 10:00 am to 10:30 am because he went 10 miles in 30 minutes
Step-by-step explanation:
I need help with this is this complementary or supplementary or nither
9x + 1x =
Need answer asap