Answer:
It would take 8 hours
as 7+9÷2 will give 16
average time will be 8 hrs
Answer:
3.9
Step-by-step explanation:
Let's do this. Sally can paint 1/7 of the room in an hour while Steve can paint 1/9 of the room in an hour. 1/7+1/9 = 16/63. Two of them working together can paint 16/63 of a room in an hour. Now, let's divide 63 by 16.
Use a calculator from here.
63/16 = 3.9375
3.9375 rounded to one decimal place would be 3.9 and not 4, since the next number after 9, which is 3, is not up to 5. If it were 5 to 9, then the answer would be 4.
Peter worked 2 part-time jobs and earned $189.00 for working a total of 24 hours at both jobs. He is paid $6.00 per hour at Job A abs $9.00 per hour at Job B. How many hours did Peter work at Job A?
Which of the following expression is equivalent to 35+14
Answer:
49
Step-by-step explanation:
I would add the tens place and ones place together. The tens place; is 30+10 (From the 3 and 1 in the tens place) and 5+4, which is 40+9, which is 49.
what’s the answer and how did you get it? please help
Answer:
1/m^5
Step-by-step explanation:
express with a positive exponent using x^-n = 1/x^n
Answer:
[tex]c)\: \cfrac{1}{m^5}[/tex]
Step-by-step explanation:
[tex]m^{-5}[/tex]
Apply the exponent rule:
[tex]m^{-5}[/tex]
[tex]\cfrac{1}{m^5}[/tex]
Hope it helps! :)
- 24 × - 8 -13
calculate
Answer:
179
Step-by-step explanation:
- 24 × - 8 -13
(- 24 × - 8) - 13
192 - 13
179
Hope this helps!
Neveah bought a cupcake for $5 and coffees for 5 coworkers. She spent $35. How much was each coffee?
Answer:
Each coffee is $6
Step-by-step explanation:
So she bought a cupcake so 35-5=30
Divide 30 by 5 and you get 6.
Hey, I literally have no idea what to do here, its on providing the congruence statement supported by angle bisector theorem. The diagrams are really weird and I don't know exactly how to represent this, can you help me out? Sorry if the picture is too blurry, it says "each figure shows a triangle with its three angle bisectors intersecting at point P, answer each question by providing the congruence statement supported by the angle bisector theorem."
Answer:
I can't really tell my vision is probably blurry
Step-by-step explanation:
PLEASE GUYS I NEED HELP!! IS THERE ANYONE WHO KNOW THIS TWO QUESTIONS :')))
Answer:
figure it out your self stop having other people do your work for you
Step-by-step explanation:
A spinner has three sections. The table shows the results of spinning the arrow on the spinner 80 times. What is the experimental probability of the arrow stopping over Section 1?.
Experimental probability of the arrow of spinner (rotated 80 times) stopping over Section 1 is one fourth or 0.25.
What is experimental probability?Experimental Probability of an event is the ratio of number of favorable outcome to the total number of outcome of that event during the experiment.
Given information-
Total number of sections in a spinner is 3.
Total number of times the trials done is 80.
The three section table given in the problem has the values as,
The values of the first column is section 1 and 20.The values of the second column is section 2 and 36.The values of the third column is section 3 and 24.The experimental probability of the arrow stopping over Section 1 has to be find out.
As the experimental probability of an event is the ratio of number of times it took place to the total trails. Thus the experimental probability of the arrow stopping over Section 1 is,
[tex]P=\dfrac{20}{80}\\P=\dfrac{1}{4}\\P=0.25[/tex]
Thus experimental probability of the arrow of spinner (rotated 80 times) stopping over Section 1 is one fourth or 0.25.
Learn more about the experimental probability here;
https://brainly.com/question/8652467
Josh can run 7 miles in 45 minutes. How long would it take him to run 21 miles?
Answer: 135 minutes
Step-by-step explanation:
45/7= 6.42857142857
6.42857142857 x 21 = 135
14. Explain why triangle ABC is similar to triangle ADE. (Hint: rays of light are parallel.)
Answer:
They are similar because both triangles are the same. Triangle ABC is just smaller than triangle ADE.
Solve the system of equations algebraically.
D=50t
D=42t+500
PLEASE HELP ME. I DESPERATELY NEED IT
Write the point slope form of the equation of the line through the given points: (-4,-1) and (-3,1)
EXPLAIN. STEP BY STEP
Answer:
SLOPE IS = 2
Step-by-step explanation:
to find the slope you should remeber the slope equation:
[tex]M=\frac{y_{2} -y_{1} }{x_{2} -x_{1} }[/tex]
[tex](x_{1} ,y_{1} )=(-4,-1)\\(x_{2} ,y_{2} )=(-3,1)[/tex]
[tex]M=\frac{y_{2} -y_{1} }{x_{2} -x_{1} }\\M=\frac{1-(-1)}{-3-(-4)}[/tex]
[tex]M=\frac{2}{1} \\M=2[/tex]
SLOPE IS =2
HELP ME WITH PROVING LINES PARALLEL PLEASE
Answer:
∠2 = ∠5 (co-interior angles)
∠2 = 3x - 20
∠5 = x + 20
So,
∠2 = ∠5
3x - 20 = x + 20
3x - x = 20 + 20
2x = 40
x = 40/2
x = 20
Hope it helps ⚜
Keshav gave Rs. 3298.36 to his brother and Rs. 2149.67 to his sister. The remaining amount was given to his mother. If he had Rs. 9764.32 in all, how much did he give to her mother. ?
what is the mode of 5, 8, 9, 10, 4, 5, 10, 12, 5
Answer:
How to find the mode
Step-by-step explanation:
First, put the numbers in order from lowest to highest. The number that shows up the most is the mode. The most common number is 5.
Your mode would be 5.
Good luck :)
what is equivalent to 2/5 where the numerator is 18 less than the denominator/
Answer:
12/30
Step-by-step explanation:
See the picture and let me know if you have any questions
Negative thirteen decreased by 3 times a number
A) 13 - 3x
B) -13 - 3x
C) -13 + 3x
D) 13 + 3x
Answer:
C
Step-by-step explanation:
Let's assume the number is x.
Negative means a minus or subtraction.
Decrease also means a minus or subtraction.
Three times the number which we have assumed to be x will be: 3*x=3x
The answer:
-13 - 3x
Match the Graph(Time and Depth of water) to the correct cylinder
please help! i don’t know how to find trig ratios
Answer:
a. 7/25
b. 24/25
c. 24/25
d. 7/25
e. 7/24
f. 24/7
Step-by-step explanation:
sin is opposite/hypotenuse.
cos is adjacent/hypotenuse.
tan is opposite/adjacent.
Plug in the formulas to get find the ratios.
Tamika swims 2 7/10 kilometers a day,
4 days a week. How far does she swim
each week? Find 4 x2 7/10
The price of a telephone reduced form Rs 3500 to Rs 3200. What percentage is decreased from its original price?
Given :-
The price of a telephone reduced form Rs 3500 to Rs 3200.To Find :-
Percentage decrease from it's original price .Solution :-
Here the initial cost is Rs 3500 and the new cost is Rs 3200. So the decrease in its price is ,
→ Decrease = Rs 3500 - Rs 3200
→ Decrease = Rs 300
Now we may find the % change in its price by ,
→ Decrease in cost/Initial cost * 100 %
→ Rs 300 /Rs 3500 * 100 %
→ 8.57%
Hence the price is decreased by 8.57% .
I hope this helps.
Answer:
Decreased Percentage is 8.57 %
Step-by-step explanation:
Given:
Cost of cell phone = Rs. 3500
Cost after decreased in price Rs. 3100
To find:
Decreased percentage
Decreased Amount =
3500 - 3100
= Rs. 300
Decreasee Percentage =
[tex]\frac{decreased \: \: amcount}{initial \: \: cost} \times 100 [/tex]
[tex] = \frac{300}{3500} \times 100[/tex]
[tex] = \frac{300}{35} [/tex]
= 8.57%
Five students each ate 2/3 of their own bag of skittles. What was the total amount eaten?
Answer:
Total number of students= 5
Each ate = 2/3
Total amount eaten=?
Then,
2/3×5
=10/3
Hence 10/3 is the total amount eaten.
HELPPPP THIS IS SO HARD
Answer:
T'''(2, 6)
Step-by-step explanation:
The transformations used in this problem are ...
(x, y) ⇒ (-x, -y) . . . . . rotation 180° about the origin
(x, y) ⇒ (x +h, y +k) . . . . translation h right and k up
(x, y) ⇒ (y, x) . . . . . . reflection over the line y=x
__
Applying these transformations to point T(-5, -4), we have ...
1. T(-5, -4) ⇒ T'(5, 4)
2. (h, k) = (1, -2), so we get ...
T'(5, 4) ⇒ T"(5 +1, 4 -2) = T"(6, 2)
3. T"(6, 2) ⇒ T'''(2, 6) . . . . straightforward application of the separate transformations
What is the answer to -x/4<7
Answer:
[tex]x>-28[/tex]
Step-by-step explanation:
Given the following question:
[tex]-x\div4<7[/tex]
In order to find the answer, we have to isolate the variable by multiplying four on both sides.
[tex]\frac{-x}{4} <7[/tex]
[tex]\frac{-x}{4} =x\times4[/tex]
[tex]7\times4=28[/tex]
[tex]-x>28[/tex]
[tex]-x\times-1=x[/tex]
[tex]28\times-1=-28[/tex]
[tex]x>-28[/tex]
Hope this helps.
Answer:
x>-28
Step-by-step explanation:
First to cancel out the fraction times the whole fraction by the denominator 4 AND the 7 then multiply 7*4=28
This leaves you with
-x<28
To get rid of the -x divide both sides of the inequality by -x, This also changes the sign of the inequality to > Because you are Dividing both sides of the inequality
Negative/Negative =positive
Positive/Negative =Negative
So, You get
x>-28
This is with tangents I have already figured out one portion of the problem please help
Answer:
-5
Step-by-step explanation:
when x is squared it will always be positive so x can be negative or positive
Answer:
Step-by-step explanation:
Tangents drawn to the circumference of a circle are equal.
x^2 + 8 = 33 Subtract 8 from both sides
x^2+8-8 = 33 - 8 Combine
x^2 = 25 Take the square root of both sides.
√x^2 = √25
x = ± 5
So x = 5.
x can also be - 5. The minus goes away when you calculate x^2
because x is squared, you can get two answers, but be very careful when doing geometry questions that the minus number is used in such a way that only a positive value will be left.
If 14 is 35% of a value, what is that value?
solve for x in this equation 4^5x=(1/32)^1-x
A)-3
B)-1
C)1
D)3
1) Each student has 2 shoes. How many shoes are there for 8 students?
its not fair h0w i cant get to ask for help without pay like yall need to fix. Heres my question 52 companies; 25% increase
Determine which of the lines, if any, are parallel or perpendicular. Explain.
Line a: -x+2y=3
Line b: -6x=3y-1
Line c: 4x-8y=5
Answer:
See below
Step-by-step explanation:
Let's rewrite all three equations is standard slope-intercept format of y = mx + b, where m is the slope and b the y-intercept (the value of y when x = 0).
Line a: -x+2y=3
2y = x + 3
y = (1/2)x + 3
Line b: -6x=3y-1
-3y = 6x - 1
y = -2x + (1/3)
Line c: 4x-8y=5
-8y = -4x + 5
y = (1/2)x - (5/8)
Parallel lines have the same slope (m). Perpendicular lines have slopes that are the negative inverse (-1/m)of each other.
Slopes, m, for the lines are;
a) (1/2)b) -2c) (1/2)The negative inverse of (1/2) is -2.
Lines a and c are parallel (same slope)
Line b is perpendicular since it's slope is the negative inverse of both a and b (-1/(1/2)) = -2