Answer:
4
Step-by-step explanation:
Answer:
u=4
Step-by-step explanation:
are we solving for "u" ??
-14/-3.5=4
u=4
(+5)(-2)(+7)(-4)(-1)
Answer:
-280
Step-by-step explanation:
Answer:
280
Step-by-step explanation:
There are a total of 120 counters in a box.
There are only red counters and blue counters in the box.
There are three times as many red counters as blue counters in the box.
Carl takes
1
of the red counters from the box.
3
Kerry takes 80% of the blue counters from the box.
Work out the ratio of the number of red counters to the number of blue counters now in the
box.
Give your ratio in its simplest form.
Answer:
The ratio of red to blue would be 60: 6 which can be simplified to 10:1.
The ratio of red to blue counters would be 60: 6 which can be simplified to 10:1
What is ratio ?Ratio is the comparison of two quantities in terms of same units.
Example : If a & b be two numbers, then the ratio is a/b, where b≠0
What is the required ratio ?Let Blue counters = x
Red counters would be = 3 times of blue counters = 3x
There are a total of 120 counters in a box.
First we have to find, the number of red and the number of blue counters:
3x + x = 120
⇒ 4x = 120
⇒ x = 120/4
⇒ x = 30
There are 30 blue counters.
Red counters = 3×30 = 90
Carl took 1/3 of the red, 90 / 3 = 30, so there were 60 red counters left in the box.
Kerry took 80% of the blue, 30 * 0.80 = 24, so there were 6 blue counters left in the box.
The ratio of red to blue counters would be 60: 6 which can be simplified to 10:1.
Learn more about ratio here :
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Find the error then show the correct way step by step.
Question 4
The error was that in step 2, when distributing -3 into the parentheses, the person did not change the sign of 24 so that it was negative, since a negative number multiplied by a positive number will always make a negative number. Here is the correct way to solve this equation:
[tex]-5x+12-7x=-3(5x+8)\\-12x+12=-3(5x+8)[/tex]
Distrubute -3 into the parentheses
[tex]-12x+12=-15x-24[/tex]
Subtract both sides by 12
[tex]-12x+12-12=-15x-24-12\\-12=-15x-36[/tex]
Add 15x to both sides
[tex]-12+15x=-15x-36+15x\\3x=-36[/tex]
Divide both sides by 3
[tex]\frac{3x}{3} =\frac{-36}{3} \\x=-12[/tex]
Question 5
The error was that 2 was added on both sides in step 5 instead of being subtracted from both sides. Here is the correct way to do it, starting from step 4:
[tex]10=16x+2[/tex]
Subtract both sides by 2
[tex]10-2=16x+2-2\\8=16x[/tex]
Divide both sides by 16
[tex]\frac{8}{16} =\frac{16x}{16} \\\frac{1}{2}=x[/tex]
I hope this helps!
Find the domain of f(x)= x/x-9
Answer:
Step-by-step explanation:
The domain, the possible values of x, is only limited in this function when the function is undefined. Specifically division by zero is undefined. In this case x cannot be equal to 9 because that would lead to division by zero. And that is the only restriction. So the domain is all real numbers except 9. In interval notation this is
x=(-oo, 9),(9, +oo)
Help please and thank u!!!
Please lmk I need help
Answer:
x > 7
Step-by-step explanation:
(Make sure to check with someone else to see if this is right)
Since she already spent $25 we can just subtract
60 - 25 = $35
So since she only has 35 dollars then she can only buy so many shirts, to find out how many you have to
35 / 5 = 7
So the inequality would be..
x > 7 pairs of shirts
If a person walks 16 miles in 10 minutes, how far will that person walk in one hour?
Answer:
too far to be human
Step-by-step explanation:
in 10 mins i walk 1 mile
Answer:
96 miles
Step-by-step explanation:
There are 60 minutes in 1hr so 10*6= 60
16*6= 96
:)
h - 9 > 13 please help
Answer:
h>22
Step-by-step explanation:
What is the difference of the polynomials:
(3x2 + 4x + 8) - (2x2 + 2x + 5)
a x^2 + 2x + 3
b x^2 + 6x + 3
c x^4 + 2x^2 + 3
d x^4 + 6x^2 + 13
Answer:
(6+4x+8)-4-2x-5
6-4+4x-2x+8-5
2+2x+3.
A playground is shown below. What is the area of the playground?
Answer:
217
Step-by-step explanation:
You would do the area of the big rectangle and subtract the areas of the two triangles. The triangles add up to 63 and the rectangle is 280 ft^2
Please help me with the answer ASAP
Answer:
105/5 i believe
Step-by-step explanation:
if 2x-1 is a factor of 16x^4-24x^3+2x+f find f
Answer: HERE HOPE IT HELPS
Step-by-step explanation:
What is the area of this trapezoid b1=6 h=5 b2=2
Gabriel is signing up for a gym membership with a one time free join and then a monthly fee to remain a member. The monthly fee is $40 and the one time joining fee is $100. Write an equation for C, in terms of t, representing the total cost of the gym membership over t months
20 The table shows the linear relationship between the balance of a student's
savings account and the number of weeks he has been saving.
Savings Account
Week
0
1
3
6
8
13
Balance
(dollars)
32
39
53
74
88
123
Based on the table, what was the rate of change of the balance of the
student's savings account in dollars and cents per week?
Record your answer and fill in the bubbles on your answer document.
Answer:7
Step-by-step explanation:it’s 7
2 people are evenly sharing 15 milliliters of perfume. How much perfume should each person get? ( as a fraction/mixed number)
49 is 160% of what number?
Answer:
x = 30.63
Step-by-step explanation:
Answer:
30.63
Step-by-step explanation:
We have, 160% × x = 49
or, 160/100 × x = 49
Multiplying both sides by 100 and dividing both sides by 160,
we have x = 49 ×
100/160 x = 30.63
If you are using a calculator, simply enter 49×100÷160, which will give you the answer.
it’s either ur good at math or pretty I guess god said be pretty
Answer:
55
Step-by-step explanation:
9x + 1 = 7x + 13
x = 6
UW = 42+13
= 55
The two triangles are of congruent (SAS)
please please please help!!!!!! i will give brainliest!!
Answer:
Step-by-step explanation:
simplifying 14 to the 0 power + 2 to the 7th power plus 15 to the 1 power?
Answer:
144
Step-by-step explanation:
1+128+15
144
Mrs. A has 76 wonderful seventh graders that she teaches this year. She took a random survey of 20 students and
found that seven students like twizzlers, 12 like jolly ranchers, and one does not eat sweets. pls help meh
Answer:
what kind of a question is this? lol. seems liek u need to subtract those 20 students from 70. im not sure wat ur askin but here. try this.
WHAT IS THE QUESTION??? im confused. welp.
What is it help me plz
Answer:
the answer is c. the mode is w
which of the following is true about f(x) and g(x)
The option (D) "f(x) and g(x) are closed under the addition because when added, the result will be a polynomial is correct.
What is polynomial?Polynomial is the combination of variables and constants systematically with "n" number of power in ascending or descending order.
[tex]\rm a_1x+a_2x^2+a_3x^3+a_4x^4..........a_nx^n[/tex]
We have given two polynomials:
[tex]\rm f(x) = \rm a_0+a_1x+a_2x^2+a_3x^3+a_4x^4..........a_nx^n[/tex]
[tex]\rm g(x) = \rm b_0+b_1x+b_2x^2+b_3x^3+b_4x^4..........b_mx^m[/tex]
If we add the above two polynomials:
= f(x) + g(x)
[tex]= (\rm a_0+a_1x+a_2x^2+a_3x^3+a_4x^4..........a_nx^n) + (\rm \rm b_0+b_1x+b_2x^2+b_3x^3+b_4x^4..........b_mx^m)[/tex]
The above expression is also a polynomial.
Thus, the option (D) "f(x) and g(x) are closed under the addition because when added, the result will be a polynomial is correct.
Learn more about Polynomial here:
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Hailey's car used 4 gallons to travel 172 miles. At what rate does the car use gas, in miles per gallon?
Answer:
43
Step-by-step explanation:
43 miles for every 1 gallon of gas
Twice as many people visit the park when it is sunny compared to when it is cloudy. One day it was half sunny and half cloudy and 48 people visited the park. How many people visit the park on a sunny full day?
Answer:
64
Step-by-step explanation:
What is bigger 3/5 or .41
Step-by-step explanation:
3/5 is the correct answer to this
Step-by-step explanation:
.41 is biggee than 3/5......
I got 18 can someone double check me please?
Answer:
It's correct, it is 18 because ur adding
Answer:
28!
Step-by-step explanation:
this is because its 8 + 8 + 6 + 6 = 28. They're asking to add the outline of the perimeter.The perimeter is the length of the outline of a shape.
Solve for x. Round all answers to the nearest tenth
Answer: 42
Step-by-step explanation:
Find the slope of the line that passes through (9, 6) and (6, 2).
Answer:
4/3 not sure
i hope its hepls
Answer:
y2 - y1/ x2 - x1
6 - 6/2 - 6 = 0/-4 = 0
Step-by-step explanation:
The model shows the addition expression 18 + 12.
One expression that is equivalent to this sum is _____.
A. 3 + 6 + 4
B. 3 (6 + 4)
C. (3 + 6) 4
D. 3 (6) + 4