Answer:
A.
Step-by-step explanation:
Plugging in all the values into the equation, only A holds a true statement.
Evaluate (18)^2-(15)^2.
Please show working
• Answer:
99
• Step-by-step explanation:
Hi there !
use formula a² - b² = (a-b)(a+b)
18² - 15² =
= (18 - 15)(18 + 15)
= 3×33
= 99
Good luck !
seven apples cost five dollars. How many apples can I buy for $8?
Answer:
11 apples
Step-by-step explanation:
7/5=1.4
1.4x8=11.2
11.2 rounded to 11
qhat is the remainder of 266 ÷ 15
Answer:
17
11 Remainder
Step-by-step explanation:
0 1 7
1 5 ⟌ 2 6 6
- 0
2 6
- 1 5
1 1 6
- 1 0 5
1 1
Answer:
the remainder is 11
Step-by-step explanation:
If sin α + cos α =1.2, find sin α · cos α .
The line containing the points (30, 40) and (40, 60) has a y-intercept of?
Help help
Answer:
-20
Step-by-step explanation:
the slope is 2
2*30 = 60
40 - 60 = -20
You decide to go to the candy store in the mall. You arrive at the store with $25 and then purchase 3 candy bars. You then buy a giant candy snake for $12.50. When you leave, you have $8.75 left in your wallet. How much did each candy bar cost? Write the equation to represent the scenario. 8.75 - x - 12.50 = 25.00 25.00 - 3x - 12.50 = 8.75 25.00 - 3x - 8.75 = 12.50 25.00x - 12.50 = 8.75
Answer:
The cost of a candy is $1.25Step-by-step explanation:
given the total amount at hand is $25
let the price of candy be x
then the cost of 3 candy will be 3x
the cost of a candy snake is $12.50.
balance at hand after the end of buying $8.75
the total expenses summed up must equal the initial amount at hand which is $25
the expression for the scenario is 3x+12.5+8.75=25
3x+21.25=25
3x=25-21.25
3x=3.75
x=3.75/3
x=$1.25
The cost of a candy is $1.25
Does anyone know how to do this?
Answer:
There are no values of y that make the inequality true.
There is No Solution.
Help needed ASAP will give you BRAINLIEST and 5 stars rate
Answer:
Vehicle A with 25 mpg
Step-by-step explanation:
You get the slope.
Answer:
D. Is the correct answer.
Step-by-step explanation:
I had this one too.
Do you line the decimals when subtracting a decimal problem???
Answer: Yes
Yes, you always have to line the decimals when you subtract decimals.
Example:
0.65
-0.25
------------
0.45
Hope this helps!
Mike bought 8 shares of stock for $57.50 each, hoping that the value would increase. When he sold the shares it was only for $42.75 per share. Which describes Mikes net profit
Which equation is represented by the graph below?
Answer:
y = 2/3x + 6
Step-by-step explanation:
PLEASE HELP MEH! I NEED HELP ASAP
Answer:
Planet D
Step-by-step explanation:
1.5*10^9 = 1,500,000,000
1.07*10^8 = 107,000,000
5.7*10^7 = 57,000,000
2.29*10^6 = 2,290,000
It has the least amount.
Answer:
Planet C
Step-by-step explanation:
1.5 x 10e9 = 1.5 billion
1.07 x 10e8 = 107 million
5.7 x 10e7 = 57 million
2.29 x 10e8 = 229 million
A submarine descends at a rate of 2.6 kilometers per hour.
If the ocean floor is 6.24 kilometers below sea level, how long will it take the submarine to descend to the ocean floor?
Round your answer to the nearest tenth. Enter your answer in the box.
Answer:
6.24/2.6 = 0.24
0.2 is the answer
Step-by-step explanation:
Answer:8.84 if you add -3.63 when sub 14.976 when multiplyed and 0.2 when devided
Step-by-step explanation:
i just use a simple mdethod and it was to do all the pfroblems then do what ever to them to get my answer
PLZ ANSWER ASAP
Democritus believed that all-natural substances were made of
Answer:Atoms.
Step-by-step explanation:
How many years will it takes an investment of 3000$ to amount to 5,000 if money is invested at 4.1% compounded monthly
Answer:
1.66
Step-by-step explanation:
The years needed to make $3000 to $5000 is 12.5.
What is compound interest?Compound interest simply means that the interest associated with a bank account, loan, or investment increases exponentially over time.
Given that, an investment of $3000 to amount to 5,000 if money is invested at 4.1% compounded monthly
A = P(1+r/12)^12t
5000 = 3000(1+0.041/12)^12t
5/3 = (1.0034)^12t
Taking log both sides,
log5/3 = 12tlog(1.0034)
0.221 = 12t0.00147
12t = 150.34
t = 12.5
Hence, required years are 12.5.
For more references on compound interest, click;
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Which expression is equivalent to 73⋅ 7−5?
Answer:
1 over 7 to the 2nd power
Step-by-step explanation:
Answer:
By the order of operations, this expression evaluates to:
73 * 7 - 5 = 511 - 5 = 506
Step-by-step explanation:
You need an expression that is equivalent to this result once the expression is evaluated.
What is the answer pls help
Answer:
a 180* clockwise rotation
Step-by-step explanation:
It is being flipped 180*.
if his conclusion is correct, which substance could he have been observing and why?
Answer:
The answer is B, baking soda and vinegar.
The sum of five consecutive even integers is 220. Find the middle value of the five consecutive integers.
Answer:
44Step-by-step explanation:
If we have odd number of consecutive numbers increasing by the same value (2) then the middle value of them is their mean:
220:5 = 44
Of course you can find them to be sure:
Consecutive even integers increase by 2.
So if 2x is the smallest of them (x is an integer), then the numbers are:
2x, 2x+2, 2x+4, 2x+6, 2x+8
So their sum: 10x+20
10x + 20 = 220 ⇒ 10x = 200 ⇒ 2x = 40
So the numbers are: 40, 42, 44, 46, 48
Answer:
44
Step-by-step explanation:
Brandon goes to the fair with $25.00. He spends $4.00 to get in and the rest on tickets for rides. Each ride ticket costs $1.50. How many ride tickets does brandon buy? Explain how you got your answer below.
Answer:
14
Step-by-step explanation:
$25.00 - $4.00 = $21.00
$21.00 / $1.50 = 14
Answer:
14 ride tickets
Step-by-step explanation:
He has $25, and spends $4. So 25 - 4 = 21. Each ride ticket is $1.50. So 21 ÷ 1.50 = 14
what is 2.16666666667 as a whole number
solve the inequality:
-|x-2| + 9 > 6
Answer:
− 1 < x < 5
Step-by-step explanation:
find the price of a 17,100 tructk with a 5% sales tax round to the nearest cent when necessary
Answer:
85500
Step-by-step explanation:
Solve for c: The difference between a number c and 17 is 3.
Answer:
20
Step-by-step explanation:
Step 1:
c - 17 = 3 Equation
Step 2:
c = 3 + 17 Add 17 on both sides
Answer:
c = 20
Hope This Helps :)
Which value is irrational? −13.6¯¯¯ − 13. 6 ¯ 0 0 10−−√ 10 6.1357
Answer:
1. If the roots of the quadratic equation ax2 + bx + c = 0 are real, irrational, and unequal, then the value of the discriminant is
2. Factored completely, the expression 16 tanθ - tan3θ is equivalent to
3. High school officials wanted to assess the need for a new diving board. They created a survey and distributed it to a large, diverse crowd at the State Swim Meet held at their school. Which characteristic of the survey is most likely to create a bias?
4. Which expression is equivalent to cos P cos 50 - sin P sin 50?
5. What is the product of the roots of the quadratic equation 2x2 - x = 4? 6. In which method of data collection does the researcher intentionally intervene to arrange for a comparison of results?
7. Which equation could be represented by the graph below?
8. The first four terms of the sequence with a1 = 40 and an = 3/4 an-1 are
9. Which diagram represents an angle of 7/4 pi; radians in standard position?
Step-by-step explanation:
Answer:
The one with the √
Step-by-step explanation:
If it has a √ it always means its irrational
Hope this helps!
Inspectors for a hospital chain with multiple locations randomly select some of their locations for a cleanliness check of their operating rooms. The inspectors check every operating room in the hospitals that were chosen. What sampling method was used?
Answer:
Cluster Random Sample
Step-by-step explanation:
The operating rooms were divided into (hospital locations) and inspectors sampled every operating room from some of the groups.
Sampling method is the method where the subset of an overall population is selected.
The sampling method used was cluster sampling
From the question, we understand that:
The inspectors select some locationsThen all selected locations was checkedThe above illustrates cluster sampling.
This is so because, cluster sampling involves breaking down a population into smaller size.
In this case, the smaller size are the locations that were selected.
Read more about sampling method at:
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Which point is in the solution set of the given system of inequalities?
BRE
| x+y> 2
(4x+y2-1
5
-3 -2 -1
-2
-3
i ņ m Ti
(20)
Answer:
(0,3)
Step-by-step explanation:
just a guess C;
The point that satisfies both the inequalities is (0, 3).
Correct option is (C).
What is Inequality?Inequalities are mathematical formulas in which neither side is equal.
As per the given data:
We are given two inequalities, and we have to find out whether the points that are given in the options are satisfying the solution set of the given inequalities or not.
The inequalities are as follows:
x + y > 2
4x + y ≥ -1
For option (A). (2, 0)
Substituting the points in the given inequalities.
2 > 2 and 8 ≥ -1
Hence, this is incorrect.
For option (B). (0, 2)
Substituting the points in the given inequalities.
2 > 2 and 2 ≥ -1
Hence, this is incorrect.
For option (C). (0, 3)
Substituting the points in the given inequalities.
3 > 2 and 3 ≥ -1
Hence, this is correct.
For option (D). (0, -1)
Substituting the points in the given inequalities.
-1 > 2 and -1 ≥ -1
Hence, this is incorrect.
Hence, The point that satisfies both the inequalities is (0, 3).
Learn more about Inequality here:
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(The given question is incomplete, the complete question is given below)
Which point is in the solution set of the given system of inequalities?
x+y≥2
4x+y≥-1
A-(2, 0)B-(0, 2)C-(0, 3)D-(0, –1)
Solve for x in the following equation:
kx = m + nx
Answer:
x = [tex]\frac{m}{k-n}[/tex]
Step-by-step explanation:
Given
kx = m + nx ( subtract nx from both sides )
kx - nx = m ← factor out x from each term on the left side
x(k - n) = m ← divide both sides by (k - n)
x = [tex]\frac{m}{k-n}[/tex]
Solving for x in the equation, kx = m + nx, we would make x the subject of the formula to solve for x as: [tex]\mathbf{x = \frac{m}{k - n}}[/tex]
Given:
kx = m + nx
We are require to make x the subject of the formula.Thus:[tex]kx = m + nx[/tex]
Subtract nx to both sides of the equation[tex]kx - nx = m + nx - nx\\\\kx - nx = m[/tex]
Factor out x on the left side[tex]x(k - n) = m[/tex]
Divide both sides by (k - n)[tex]\frac{x(k - n)}{k - n} = \frac{m}{k - n} \\\\x = \frac{m}{k - n}[/tex]
Therefore, solving for x in the equation, kx = m + nx, we would make x the subject of the formula to solve for x as: [tex]\mathbf{x = \frac{m}{k - n}}[/tex]
Learn more here:
https://brainly.com/question/21727387
Sequence: 2, 6, 10,_,_ _.
What are the next two numbers in the sequence?
A 14, 18
B
16, 24
C 14, 20
12, 16
Answer:
A. it goes up by 4 each time so 4 to 10 would be 14 and 4 up from that would be 18
Someone please help me asap. I’m confused and need help. Complete the table using the function n = 9b + 19
answer: you would just substitute all of the values you see for b into the equation where there's a b
Answer:
55; 64; 73
Step-by-step explanation:
In the table, they provide a b value. Basically, you plug in the value of b they give you into the expression n = 9b + 19
if b = 4:
n = 9(4) + 19
n = 36 + 19
n = 55
if b = 5:
n = 9(5) + 19
n = 45 + 19
n = 64
if b = 6:
n = 9(6) + 19
n = 54 + 19
n = 73
Check your work with the last numbers in the table. They say the value of n = 82 when b = 7 so try it
if b = 7:
n = 9(7) + 19
n = 63 + 19
n = 82
Work is correct
Try not to overthink it ^-^