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Work Shown:
(x-10)-(x-20)
x-10-x+20
(x-x)+(-10+20)
0x+10
0+10
10
Which boat was farther from the dock at the beginning and which traveled more quickly
Answer:
Nvm
Step-by-step explanation:
Johns boat was 30 miles away. It traveled 20 miles in 5 hours (50-30 = 20)
20/5 = 4
It traveled at 4 miles per hour.
The equation for Roberta’s boat multiplied 5 by x( number of hours) so this means her boat is traveling at 5 miles per hour.
Then 25 gets added at the end, this means her boat was 25 miles away at the beginning.
Johns boat was further away at the beginning and Robertas boat is traveling faster.
The midpoint of EF is M(1. – 1). One endpoint is E (– 3,2). Find the coordinates of endpoint F
Step-by-step explanation:
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The coordinates of F(x,y) is (5,-4) with midpoint of EF is M(1,-1)
What is midpoint of line segment?
The midpoint divides the line segment into two equal parts. As the number line progresses, the leftmost numbers become smaller, and the rightmost numbers become larger. Adding, subtracting, and multiplying can also be done using a number line like for addition move towards right and for subtraction move towards left.
Here, the mid point of line EF is M with coordinates (1,-1) with coordinates of E(-3,2) therefore, using mid point formula to find coordinates of F(x,y)
[tex]\begin{aligned}\frac{-3+x}{2}&=1\\x&=2+3\\&=5\end{aligned}[/tex]
and for y coordinates of F :
[tex]\begin{aligned}\frac{2+y}{2}&=-1\\y&=-2-2\\&=-4\end{aligned}[/tex]
Therefore, the coordinates of F(x,y) is (5,-4) with midpoint of EF is M(1,-1)
Read more about midpoint at:
https://brainly.com/question/28224145
#SPJ2
8 t-shirts and a hat costs £42.00
3 t-shirts and a hat costs £17.00.
How much does a t-shirt cost?
How much does a hat cost
Answer:
a T-shirt costs £5
a hat costs £2
Step-by-step explanation:
Suppose
A T-shirt=x
A Hat=y
So the equation is
8x+y=42
3x+y=17
So
8x+y=42
3x+y=17
------------
5x=25
x=5
So a T-shirt costs £5
3.5+y=17
15+y=17
y=2
So a hat costs £2
Answer:
t-shirt: £5
hat: £2
Step-by-step explanation:
Please see the attached picture for the full solution.
determine the value of a and b so that x^4 6x^3 +7x^2+ax+b is a perfect square
Step-by-step explanation:
(Ax² + Bx + C)²
= (Ax² + Bx + C)(Ax² + Bx + C)
= Ax⁴ + 2ABx³ + 2ACx² + 2BCx + C².
By Comparing Coefficients, we have:
A = 1
2AB = 6
2AC = 7
2BC = a
C² = b
Solving them we get A = 1, B = 3 and C = 3.5.
Therefore a = 2BC = 2(3)(3.5) = 21,
b = C² = (3.5)² = 12.25.
It takes Andre 4 minutes to swim 5 laps.
How many laps PER MINUTE is that? (round to two decimal places if needed)
can someone also show there work?
.Write the following number in word form: 735.009
Answer: seven hundred thirty-five thousand, nine
Step-by-step explanation:
If i remember that should be the answer hope it helps
find x and y multiple choice
Answer:
x=30
y=4
Step-by-step explanation:
Since there is an equilateral triangle, those angles =60°, and all sides to that triangle are equal.
You can determine y by looking at the congruent lines on the second triangle. In this triangle, we see that two sides, one of which is a side to the equilateral triangle, are equal to 20. Because one of these sides is a side to the equilateral, we know that all sides of the equilateral triangle are equal to 20, so using simple algebra you can determine that y=4.
To solve for x is a little more difficult. In the equilateral triangle, we know that all angles =60°, therefore we can solve for two angles to use to solve for x. We can solve for the obtuse angle by subtracting 60 from 180=120. then we can solve for the next angle that is next to the equilateral triangle because these two make a right angle so 90-60=30. Now you add the angles you just solved for, subtract that sum from 180, and you get x.
120+30=150
180-150=30
x=30
THIS IS URGENT, PLEASE ANSWER ASAP!
In an isosceles trapezoid, how do you prove the base angles are congruent?
Answer: Well there's a geometry definition stating that the two angles are equal.
But ig i can try to make a proof.
First make a perpendicular bisector from the vertex to the bottom splitting the bottom side in half.
Now because of LL theorem, and the reflexive property, the two triangles are equal.
Now using cpctc, the two angles are also equal.
Step-by-step explanation:
Answer:
here is your answer...hope it helps!
.anybody actually knows the answer
Answer:
2.56
Step-by-step explanation:
14.7 - 1.9 = 12.8
12.8/5 (sides) =
n = 2.56
check:
2.56 * 5 = 12.8
12.8 + 1.9 = 14.7
Please help!! Will appreciate. If you don’t know/ unsure don’t answer please
Answer:
The correct answer is graph B.
Hope This Helps! Sorry for late answer!
Answer:
its A because because the slope of the y-intercept is on the possative base towards the iquantities which is to be a posative number, in that case the y-intercept adds a 1 to the x which would lead towards the negative side therefor your answer will be y < -x -2
Step-by-step explanation:
Hopefully this helped, if not HMU and I will try my very best to get you a better answer!
Have a wonderful day! :)
And if you need help with anything, im here :)
An 12-ounce bottle of orange juice costs $2.64. What is the cost of the orange juice per ounce?
Answer:
22 cents per ounce
Step-by-step explanation:
I need to know where to place the dot
Answer:
in your but
Step-by-step explanation:
nah jk its 3,-3
What is the value of a in the equation 3 a plus b equals 54, when b equals 9?
15
18
21
27
Answer:
15
Step-by-step explanation:
3a+b=54
3a+9=54
3a=45
a=15
So if a video that is 15:34 how long is it when 2 times speed
tip: times 15 min. buy 60 then divdie all of the sec. by 2
Answer:
7:47
Step-by-step explanation:
Here are two ways of solving this:
The video will be half the time of 15:34, so you need to divide the time 15:34 by 2.
Method 1)
Use the tip. The video is 15 minutes and 34 seconds long.
Convert minutes to seconds: 15 * 60 = 900
Add 34 seconds to the 15 minutes: 900 seconds + 34 seconds = 934 seconds
The video is 934 seconds long.
Divide the total seconds by 2: 934/2 = 467
467 seconds = 420 seconds + 47 seconds = 7 minutes and 47 seconds
Answer: 7:47
Method 2)
Divide the minutes by 2 and divide the seconds by 2.
15 minutes and 34 seconds.
Divide minutes by 2: 15/2 = 7.5
Divide seconds by 2: 34/2 = 17
Now we need to add 7.5 minutes and 34 seconds.
0.5 minutes is half a minute, so it's 30 seconds.
7.5 minutes + 17 seconds =
= 7 minutes + 0.5 minute + 17 seconds
= 7 minutes + 30 seconds + 17 seconds
= 7 minutes + 47 seconds
= 7:47
Answer: 7:47
If x = 7, which equations are true?
Step-by-step explanation:
We need the attatchments..
Answer:
you did not attach a picture
Step-by-step explanation:
A rectangular monitor’s size is measured diagonally from 1 corner to the opposite corner. What is the size of a rectangular monitor that is 30 centimeters wide by 24 centimeters high, to the nearest centimeter?
Answer:
38cm
Step-by-step explanation:
Using the Pythagorean Theorem, it is found that the size of the monitor is of 38 centimetres.
------------------------
In a right triangle with legs [tex]l_1[/tex] and [tex]l_2[/tex] and hypotenuse h, these measures are related by the Pythagorean Theorem, given by:
[tex]h^2 = l_1^2 + l_2^2[/tex]
In this problem:
The diagonal of the rectangle, which is the size of the monitor, is the hypotenuse.The width of [tex]w = 30[/tex] and the length of [tex]l = 24[/tex] are the legs, thus:[tex]s^2 = l^2 + w^2[/tex]
[tex]s^2 = 24^2 + 30^2[/tex]
[tex]s = \sqrt{24^2 + 30^2}[/tex]
[tex]s = 38[/tex]
The size of the monitor is of 38 centimetres.
A similar problem is given at https://brainly.com/question/21691542
Whats 9+10
Im willing to give 25 Points. And dont say 19 CAUSE IT AINT THE ANSWER. LOL
Answer:
21
Step-by-step explanation:
This question is about ratio tables
please show me how you got the answer because I'm confused
Answer:
the answer is 36
Step-by-step explanation:
because the bottom is going up by 9 and the top is going up by ones
Answer:
36
Step-by-step explanation:
Just do your 9's time tables
PLEASE HELP!!QUICK! in 3 years ,a gyms membership went up from 6,400 to 8,400.which expression shows how to find the percent of increase?
A.2,000 divide by 8,400
B.2,000 divide by 6,400
C.6,400 divide by 2,000
What do the words coefficient and constant mean in mathematics?
Answer:
Step-by-step explanation:
Coefficients are the numbers that come BEFORE a variable, just as 55 is in the term 55x. Constants are numbers in an equation that never change, unless you add them with another constant. For example, in the equation 34x+55=24, the constants are 55 and 24. The only way that either changes is by subtracting the 55 from the 24.
Plz answer fast help
Answer:
2 5/6 + 1/8=
Fraction: 71/24
Mixed Number: 2 23/24
Decimal: 2.96
1 2/5 - 6/10=
Fraction: 4/5
Decimal: 0.8
Brainliest Please
Answer:
2 23/24 or 71/24
Step-by-step explanation:
2 5/6 + 1/8
=> 17/6 + 1/8 (LCM of 6 and 8 = 24)
=> (17*4) / (6*4) + (1*3) / (8*3)
=> 68/24 + 3/24
=> 71/24
=> 2 23/24
If my answer helped, kindly makr me as the brainliest!!
Thank you!!
12. Translate this phrase into an algebraic expression.
Two more than the product of 24 and Janelle's score
Pls help. Due in 15 mins
Answer:
D. the number of dogs in the shelter compared to the number of cats in the shelter.
HELP ILL GIVE BRAINLIEST
Answer:
The bottom right table
Step-by-step explanation:
are are 11 books on a short 4 of these books are new. The rest of them are used. (a) What is the ratio of used books to all books on the shelf? () What is the ratio of used books to new books?
Answer:
a) 7:11 b) 7:4 hope this helps
The graph below show the cost of tomato plants for each purchased. What is the cost of one tomato plant
Answer:
There is no phone...so i dont know what the numbers are....
Step-by-step explanation:
A truck driver is trying to decide between two jobs offers. Driving company A offers pay for $600 per week, plus $0.15 per mile driven. Driving company B offers $700 per week, plus $0.10 per mile driven. The truck diver wants to know how many miles would they need to drive in a week to be making the same amount between the 2 companies.
Answer:
$1,202
Step-by-step explanation:
There ya go
I need the answer for this, i have posted this multiple times
Answer:
1st staement, second option 2nd statement 3rd option, 3rd staement, 4th option, 4th statement, 1st option
Step-by-step explanation:
hope this is right!
Draw the given figure's reflection image across line l. (look at the screenshot)
A.
B.
C.
D.
Answer:
B
Step-by-step explanation:
B is the right answer
13. The area A of a square is the length of a side / squared.
1
Answer:
Area = a²
Step-by-step explanation:
For a square, all 4 sides are equal. If a be the side of a square and A be its area. Then, the area of a square is given by :
Area = side²
or
Area = a²
Hence, the area of a square is square of the length of its side.