Given:
The directed line segment from (-2, -5) to (7, 10).
A point partitions the segment into a ratio of 2 to 1.
To find:
The coordinates of that point.
Solution:
Section formula: If a point divides a line segment in m:n, then the coordinates of that point are
[tex]Point=\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n}\right)[/tex]
The point divides the line segment from (-2, -5) to (7, 10) in 2:1.
Using section formula, we get
[tex]Point=\left(\dfrac{2(7)+1(-2)}{2+1},\dfrac{2(10)+1(-5)}{2+1}\right)[/tex]
[tex]Point=\left(\dfrac{14-2}{3},\dfrac{20-5}{3}\right)[/tex]
[tex]Point=\left(\dfrac{12}{3},\dfrac{15}{3}\right)[/tex]
[tex]Point=\left(4,5\right)[/tex]
Therefore, the coordinates of the partition point are (4,5).
Answer:
4.5
Step-by-step explanation:
3 Dave can drive from Abdet to Bentall by two routes. The old route goes in roughly a straight line while the new faster route is 26% longer. Dave's average speed on the new faster route is 40% higher than his average speed on the old route. (a) By what percentage is Dave's journey time reduced by taking the new route compared to the old? [2]
Answer:
10 % of the total time will be saved on the new route with the new speed.
Step-by-step explanation:
Let x miles be the old route. Then the new route would be 1.26 x miles
Let y be the speed on the old route . Then the speed on the new route would be 1.4 y .
And let t be the time on the old route
Speed = Distance / Time
or
Time = Distance / Speed
t= x/y
Time for the new route = 1.26x/ 1.4y= 0.9 t
0.9 t means 90% of the old time will be required to cover 1.26x miles with 1.4 y speed.
And 10 % of the total time will be saved on the new route with the new speed.
alr, this is the last question im asking for today. pls help
you already know i gotchu :)
Answer: u = 5
Step-by-step explanation:
first, i moved the terms.
-4u + 10u = 37 - 7
then, i collected the like terms and calculated them.
6u = 30
finally, i divided both sides.
u = 5
What is the slope of y=-x+7
Answer:
-1
Step-by-step explanation:
This is the slope because x is the slope, and if there is no number in front of x then x is 1. There is also a negative in front of x which means the answer is -1.
The slope of the equation y = -x + 7 equals -1.
7 kg of apples cost $14. How much would 41 kg cost?
pls help me
Answer:
41 kg of apples would cost $82.
Step-by-step explanation:
41 kg divided by 7 kg is 5.85714285714. 5.85714285714 multiplied by $14 is $82.
Equilateral triangle has a side of 8 inches long find the area
Answer:
36 inches²
Step-by-step explanation:
area of a triangle = length x base x ½
= 8 × 8 × ½
= 36in²
PLEASE HELP ME ASAP!!! I WILL MAKE YOU BRAINLIEST AND YOU GET 20 points!!!
Answer:
I hope this makes sense, sorry for the lack of proofs.
Step-by-step explanation:
It is given that S is the midpoint of line QT. The definition of a midpoint is that it bisects the line it is on. So, line QS and line TS are congruent, or the same.
Now, we also know that line QR and line TU are parallel. Because they are parallel, it means that they form congruent corners with lines QS and TS..I think the proof here is "angles opposite to congruent sides are congruent in a triangle." But I'm not sure if this is right. Anyways, this means angles RQS and UTS are congruent.
There's also some proof that when two lines cross, the opposite angles are congruent. This means that angles TSU and QSR are congruent.
Therefore, by ASA (angle-side-angle) ΔQRS ≅ ΔTUS.
helpppp !
preston can paint 375 square feet in 3 hours . at the same rate how long would it take him to paint 812.5 square feet ?
a ; 0.15 hours
b ; 1.4 hours
c ; 7.5 hours
d ; 6.5 hours
Answer:
It would take D.)6.5 hours to paint 812.5 square
Step-by-step explanation:
Answer:
It would take D.)6.5 hours to paint 812.5 square
Step-by-step explanation:
Which choice is equivalent to the expression below?
2^7.19
Answer:
B
Step-by-step explanation:
Exponents Law:
[tex]a^{m}*a^{n} = a^{m+n}[/tex]
In exponent multiplication, if bases are same, add the powers(exponents).
Write 7.19 in expanded form: 7.19 = 7 + 0.1 + 0.09. Now apply the exponent rule.
[tex]2^{7.19}=2^{7+0.1+0.09}\\\\=2^{7}*2^{0.1}*2^{0.09}\\\\= 2^{7}*2^{\frac{1}{10}}*2^{\frac{9}{100}}[/tex]
0.5÷7/10
please help me with this my teacher is driving me crazy
Answer: 0.714286
turn 7/10 into .7 and divide normally
Mia, Thomas, and Jasmine are competing in a barrel race. Thomas's time is 8 seconds more than Mia's time. Jasmine's time is į times the quantity of 21 seconds more than Mia's time. The sum of all three times is 71 seconds. what represents this situation and what is the value of m
Given that,
Thomas's time is 8 seconds more than Mia's time.
Jasmine's time is į times the quantity of 21 seconds more than Mia's time
The sum of all three times is 71 seconds.
To find,
The value of m.
Solution,
Let Mia's time is m.
Thomas's time = 8+m
Jasmine's time = 21 + 8+ m
ATQ,
m + 8 + m + 21 + 8 + m = 71
3m + 37 = 71
3 m = 71 - 37
m = 34/3
m = 11.34
So, the value of m or Mia's time is 11.34 seconds.
Answer:
m+1/3(m+21)+m+8=71, m=24
Step-by-step explanation:
Answer please
I am in dire need of an answer
Please please
Helen drives 195 miles in 3 hours
A) what is her average speed in mph
Answer:
First 195 dived by 3, then the answer is 65.
Help me please there’s a time limit on this
Answer:
B
Step-by-step explanation:
12x = 72
x = 6
12 x 6 = 72
Answer:
it would be b.
Step-by-step explanation:
if u plug a number into the x spot it would be 12 x 6 = 72
A football team gained 7 yards in one play. What integer represents the amount of yards the football team gained?
Answer:
y + 7 = x
Step-by-step explanation:
I NEED HELP ASAP PLEASE DONT JUST TYPE FOR POINTS ACTUALLY HELP MEE
Answer:
i think it's A but don't quote me on it
Step-by-step explanation:
Answer:
D.
Step-by-step explanation:
Simplify Combine like terms
4a-5a+2a+6a
Answer: 7a
Step-by-step explanation: Since they are like terms, you can just add or subtract them.
4a - 5a = -1a
2a + 6a = 8a
-1a + 8a = 7a
* Select all the expressions whose value is larger than 100.
A 120% of 100
50% of 150
C250% of 50
20% of 800
E 200% of 30
G 19 of 1,000
Which relationship is an example of a proportional relationship?
helppp?
Answer: “samuel earns $20 for each lawn he mows”
Step-by-step explanation:
The statements that represent proportional relationship are statement [1], [2] and [4].
What is proportional relationship? What is equation modelling? What is a mathematical equation and expression?The proportional relationship between [y] and [x] is given by -y = mx + c
for [c] = 0
m = y/x
where [m] is the constant of proportionality.
Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.A mathematical equation is used to equate two expressions.Given are some statements depicting proportional relationship.
For the statement [1], we can write the equation as -
y = 0.08x + 59
For the statement [2], we can write the equation as -
y = 25x + 45
For the statement [1], we can write the equation as -
y = 20x
Therefore, the statements that represent proportional relationship are statement [1], [2] and [4].
To solve more questions on functions, expressions and equation modelling, visit the link below -
brainly.com/question/17421223
#SPJ2
Can u help me pls
This homework was due last week
I really need help
thx xxx
1.3.PS-44 Question Help A housekeeper had 2 3 of a spray bottle of a cleaning solution. She used 1 4 of the solution in a day. How much of the bottle did she use?
Answer:
[tex]\bold{\frac{1}{6}}[/tex] of the bottle was used
Step-by-step explanation:
Amount of cleaning solution present in spray bottle = [tex]\frac{2}3[/tex] of the bottle
Amount of cleaning solution present in the spray bottle used = [tex]\frac{1}4[/tex] of the cleaning solution present initially
To find:
How much of the bottle was used?
Solution:
Here, we need to find how much amount of the cleaning solution spray was used from the complete bottle.
Amount of spray used = [tex]\frac{1}{4}\times \frac{2}{3}[/tex] of the cleaning solution = [tex]\bold{\frac{1}{6}}[/tex] of the cleaning solution.
Therefore, the answer is:
[tex]\bold{\frac{1}{6}}[/tex] of the bottle was used
Plz help it due in a hour
And show workings
What is 12ab+6ab
Please
"Kendra loves to play sports, but she also enjoys watching them." Is it simple, compound, or complex sentence?
Answer:
compound
Step-by-step explanation:
it uses a comma and the conjunction but. so it is seen to be a compound sentence
Factor completely. 3x2 + 8x + 5
Answer:
(x + 1)(3x + 5)
Step-by-step explanation:
[tex]3 {x}^{2} + 8x + 5 \\ \\ = 3 {x}^{2} + 3x + 5x + 5 \\ \\ = 3x(x + 1) + 5(x + 1) \\ \\ = (x + 1)(3x + 5)[/tex]
Answer:
The answer is (x+1)(3x+5)
let me know if this helps:)
For the expression below, combine like terms to simplify the expression. -4x + 3y - 6 -15x + 23y - 10
Answer: -19x + 26y - 16
Step-by-step explanation:
Combine like terms:
= -4x + 3y - 6 -15x + 23y - 10
= -4x - 15x + 3y + 23y - 6 - 10
Simplifying the expression:
= -4x - 15x + 3y + 23y - 6 - 10
= -19x + 26y - 16
Question 7 Mai wants to construct a regular hexagon inscribed in the
circle centered at C. Will these instructions work to finish the hexagon
from the construction given? Why? Step 1 Draw the circle centered at D
with radius CD. Step 2 Mark the intersection of the circle with the circle
centered at C, and label that point E. Step 3 Draw the circle centered at E
with radius DE. Step 4 Mark the intersection of the circle with the circle
centered at D, and label that point F. Step 5 Connect ABCDEF to make a
regular hexagon.
Answer:
Yes
Step-by-step explanation:
PLEASE HELP
GIVE BRAINLIEST
Answer:
(f ○ g)(- 64) = - 8
Step-by-step explanation:
Evaluate g(- 64) by substituting x = - 64 into g(x), then substitute the value obtained into f(x) , that is
g(- 64) = [tex]\sqrt[3]{-64}[/tex] + 1 = - 4 + 1 = - 3 , then
f(- 3) = (- 3 + 1)³ = (- 2)³ = - 8
can someone explain what im supposed to do here
1) equation: f(x) = 6e^(ln(⅓) • x) or 6(10)^(log(1/3) • x)
table:
x | y
-1 20
0 6
1 2
2) is cut off, I can't see the rest of the graph.
can someone please tell me what the range is?
Answer: y > -1.5 which is the same as y > -3/2
==========================================================
Explanation:
As x goes off to negative infinity, the term 3^x gets closer to 0.
So the expression 0.5*(3^x - 3) approaches 0.5*(0-3) = 0.5*(-3) = -1.5 = -3/2
The y value will never actually get to -1.5 because 3^x never actually reaches 0. It only gets closer and closer.
So the range is the set of possible y outputs such that y > -1.5 or y > -3/2
This means the horizontal asymptote is y = -3/2 or y = -1.5 which is the horizontal "electric fence" of sorts that the function curve gets closer to, but never touches.
Find the equation of the line passing through point (4,2) and perpendicular to AB
Answer:
a. -⅓
b. 3
c. y = 3x - 10
Step-by-step explanation:
a. Gradient of line AB:
A(1, 3), B(7, 1)
[tex] Gradient = \frac{y_2 - y_1}{x_2 - x_1} = \frac{1 - 3}{7 - 1} = \frac{-2}{6} = -\frac{1}{3} [/tex]
Gradient (m) = -⅓
b. The of the line that is perpendicular to line AB would be the negative reciprocal of the gradient of line AB.
Thus, the negative reciprocal of -⅓ = 3
Gradient of the line perpendicular to line AB = 3
c. Equation of the line that passes through (4, 2) and is perpendicular to line AB:
We can write the equation using the point-slope form equation, y - b = m(x - a), where,
(a, b) represents a point on the line, and,
m = gradient/slope
We know that the gradient/slope (m) = 3
Also, a point, (a, b) = (4, 2).
Therefore, substitute a = 4, b = 2, and m = 3 into y - b = m(x - a)
Thus:
y - 2 = 3(x - 4)
y - 2 = 3x - 12
Add 2 to both sides
y = 3x - 12 + 2
y = 3x - 10