Are the ratios 12:20 and 4:5 equivalent?
12:20, devide it by 4 and you'll get
= 3:5
Thus
12:20 [tex]\red{\bold{\neq}}[/tex] 4:5
What is the solution set for -4x + 10 ≥ 5x + 55?
Answer:
-4x + 10 ≥ 5x + 55
-9x + 10 ≥ 55
-9x ≥ 45
x ≤ -5
Step-by-step explanation:
Pls i need to be the brainlist PLS
Answer:
x < -5
Step-by-step explanation:
-4x > 5x + 45
-9x > 45
x < -5 <--- switches because dividing by negative number
Help a gal out yal!
1.) Which of thr following equations is noy a linear equation?
A.) x-4y=-1
B.) x=2
C.) y=x-1/2
D.) x 2=5y
2.) Which of the following points lies on the graph of this equation?
2y=x+3
A.) (0,3)
B.) (2,5)
C.) (-1,2)
D.) (1,2)
3.) Fin the value of y that makes the equation 3y = x + 2 true, when x=1.
A.) 1
B.) 3
C.) 1/3
D.) 2
Please help!Calculate the slope and in your notebook graph the rates of change for the three cars.
Car C travels at the rate indicated in the table.
The unit rate is _____ miles per hour
Answer:
52 mph
Step-by-step explanation:
Solve for S pls!!!
5s = 3s + 30
Answer:
s= 15
Step-by-step explanation:
3 x 15 = 45
30 + 45 = 75
75 divided by s(15) =
5
this is how I got my answer
good luck and I hope this helps! :)
and can I get a brainliest? you don't have to, though
I need answer ASAP!!!!
Karissa is going water skiing. She
can purchase skis for $125 or she
can rent skis for $30 an hour. In
both cases she must rent a safety
flotation device to wear that is $5
per hour. Which inequality shows the
number of hours Karissa must ski
for the cost of buying skis to be less
than renting skis?
A 125 + 5x > 30x
B 125 + 5x < 35x
C 125 + 5x < 30x
D 125 + 5x > 35x
Answer:
A
Step-by-step explanation:
Worth all my points plus Brainlist answer number 14 please it’s due in three hours
Answer:
Answer below
Step-by-step explanation:
2.08
2.082
2.8
2.82
√8 (it's 2.8284)
Answer:
let me know if im incorrect!
Step-by-step explanation:
2.082, 2.08, 2.8, 2.82, 8 squared (2.828)
One of the largest swimming pools in the world is in Garden City, Kansas. It is rectangular and
measures 67 meters by 100 meters. If you swim diagonally across the pool, how many meters would
you swim? Round your answer to the nearest whole meter
Answer:
The answer is 7,000 meters
Step-by-step explanation:
because you do 67*100 which equals to 6,700 and then u round it which makes it equal to 7,00 meter
Answer:
120 meters (approx)
Step-by-step explanation:
Think of the rectangle like two triangles;
if we find the hypotenuse of one, then we know the length of the rectangle across
Remember the Pythagorean theorem:
a^2 + b^2 = c^2
where a and b are the sides of the triangle
so then substitute in the known values:
a = 100
b = 67
now solve
100^2 + 67^2 = c^2
14489 = c^2
sqrt(14489) = c
120.37 = approx c
(x,-5) and (1,2); slope = 7/6
Answer:
x=-5
Step-by-step explanation:
y-2=(7/6)(x-1)
y=(7/6)x+5/6
using y =-5
-5=(7/6)x+5/6
-35/6=(7/6)x
x=-5
what is 15 3/5 times 6
Answer: 93 3/5
Step-by-step explanation:
3/5 + 3/5 + 3/5 = 9/5
9/5 + 9/5 = 18/5 = 3 3/5
15 x 6 = 90
90 + 3 3/5 = 93 3/5
Let me know if this helped! :D
In a class of 30 students 60% said they walk to school.
A) estimate how many students in the class walk to school.
B) write a proportion that you could use to determine the number of students in the class who walk to school.
C) solve your proportion. Check that your answer is reasonable.
Answer:
a) 18
b) 18 : 12
c)3 : 4
Step-by-step explanation:
a) 30 × [tex]\frac {60}{100}[/tex]
= 18 students walk to school
b) No. of students No. of students
who walk to school : who walk to school
18 : 12
c)
18 : 12
=18/6 : 12/3
=3 : 4
The mass of one carbon atom is
0.00000000000000000000001994 g.
Answer:
correct
Step-by-step explanation:
I hate just giving out answers so do this problem and you will get the answer The mass of a single carbon atom is 1.994 x 10to the power of 23. I am almost a hundread percent sure you did this. have a great day!
Explain why 10 x 2 is equivalent to 10 ÷ 1/2.
Answer:
in order to divide by a fraction, you need to multiply by its reciprocal instead, which would be 2 over 1 (2/1)
Step-by-step explanation:
in this case, 10 divided by 1/2 turns to 10 x 2/1
i tried my best, sorry if i couldnt help
Help......,...........
66 degrees
Thing you have to know for these types of problems: The total measure of all angles is 180 degrees.
With that in mind, if we add 83 and 31, we get 114 degrees.
Now subtract from 180 and you will get 66 degrees.
Hope this helps, Please mark branliest if it did
What is the slope of the line that passes through the points (-9, 5)and (-17, 5) ? Write your answer in simplest form.
Answer:
0
Step-by-step explanation:
[tex]\frac{y2-y1}{x2-x1}[/tex]
[tex]\frac{5-5}{-17-(-9)}=\frac{0}{-8} =0[/tex]
slope=0
46 divided by the second power of 10
Answer: 0.46
Step-by-step explanation: Because ten to the second power is 100, 46 divided by 100 is 0.46
The number π is A. Rational B. Irrational
The bill at a restaurant came to $136.40.The customer decided to leave a 15% tip.What was the total bill including tip.
Answer:
$156.86
Step-by-step explanation:
To calculate tip, you need to multiply the total bill by the percent tip you are going to leave. In this case the bill is $136.40, and the customer is going to leave a 15% tip. So, you would want to move the decimal place over to the left by 1, which you should get 13.64 as your number. Then divide it in half, which should give you 6.82. Now add 13.64 and 6.82 with the original bill price. If you don't add the 13.64 you would've forgotten the 10% part of the tip. At the end you should get $156.86 as your final bill.
freeZ Pointz!!!!!!!!!
Answer:
thankk youu
Step-by-step explanation:
evaluate 7m+ 3mn when m=8 and n=14?Answers:aA:84,B:196,C:392,D=168
Answer:
c) 392
Step-by-step explanation:
Which equation represents slope-intercept form? Question 3 options: Y= mx + b Y = mx Ax + By = C
Answer:
Slope-intercept equation.
Step-by-step explanation:
y = mx + b
A master baker can fill a big order in 6 hours. A student baker can fill the same order in 8 hours. They start working together, and after 2 hours, the student leaves and the master baker finishes the work alone. How long will it take him to finish the order?
Answer:
It will take the master baker 2.86 hours to finish the remaining order after 2 hours.
Step-by-step explanation:
the time taken for the master baker to fill the order = 6 hours
the time taken for the student baker to fill the order = 8 hours
let the time taken for both to finish the work together if they work at the same rate = x
[tex]\frac{x}{8} + \frac{x}{6} =1\\\\\frac{3x + 4x}{24} = 1\\\\7x = 24\\\\x = \frac{24}{7}\\\\x = 3.43 \ hours[/tex]
After 2 hours, the remaining time for them to finish the work together is given by;
t(remaining) = 3.43 hours - 2 hours = 1.43 hours
Working at the same rate, 2 persons will take 1.43 hours to finish the remaining work.
One person will take hour many hours ?
2 persons working at the same rate --------> 1.43 hours
1 person working at the same rate -----> ?
= 2 x 1.43 hours
= 2.86 hours
Therefore, it will take the master baker 2.86 hours to finish the remaining order after 2 hours.
Answer:
2 hours 30 minutes
Step-by-step explanation:
x² – x² – 3x + 3
all rational zeros to a polynomial
Answer:
x = 1
Step-by-step explanation:
[tex] {x}^{2 } - {x}^{2} - 3x + 3 \\ - 3x + 3 \\ 3x = 3 \\ x = 1[/tex]
Consider the equation and its solution.
8 (x minus 2) = 64. 8 x minus 16 = 64. 8 x = 80. x = 10.
Which property is used in the last step to find that x = 10?
Answer:
The answer is Division property of equality
Step-by-step explanation:
Answer:
division property of equality
Step-by-step explanation:
Just took the test on edge
What is the property of 42x1=42
I NEED HELP ASAP PLZZZZZZ ANYONE!!!!!!!!
Carlos harvests cassavas at a constant rate. He needs 35 minutes to harvest a total of 15 cassavas.
Write an equation to describe the relationship between ttt, the time, and ccc, the total number of cassavas.
Answer:
c=3/7t
Step-by-step explanation:
?=c/t
15/35 (reduce) 3/7
c=3/7t
How do I simplify (6x-10x^2+3)-(5x^2+3x-4) ???
Answer:
Step-by-step explanation:
6x-10x^2+3-(5x^2+3x-4)
when there is a - in front of an expression in (), change the sign of each term in the expression
6x-10x^2+3-5x^2-3x+4
now collect like terms
3x-10x^2+3-5x^2+4
3x-15x^2+3+4
3x-15x^2+7
now use the commutative property to reorder the terms
-15x^2+3x+7
=-15x^2+3x+7
Given f(x) = 7x − 2 , what is the value of f(2) ?
Answer:
7(2)-2
=14-2
Which makes it
=12
Please help me with this
Answer:
D
Step-by-step explanation: