Answer: Rational
Step-by-step explanation:
A father's age is three times the sum
of the ages of his two children.After 5
years his age will be two times the sum
of their ages.Find the present age of the
father
Explain how to find the sum −8.46+5.31. a.) Because |−8.46|>|5.31|, subtract |5.31| from |−8.46| and the sign is negative. b.) Because |5.31|>|−8.46|, subtract |−8.46| from |5.31| and the sign is negative. c.) Because |−8.46|>|5.31|, add |−8.46| and |5.31| and the sign is negative. d.) Because |−8.46|>|5.31|, subtract |5.31| from |−8.46| and the sign is positive. HELP!! I am doing my hw for math and I don't get this question!!
Step-by-step explanation:
Sum of −8.46 and 5.31 means we need to add −8.46+5.31.
We know that,
|-8.46| > |5.31|
It means we subtract 8.46 - 5.31
At hundredth place, 6-1 = 5
At tenths place, 4-3 = 1
At ones place, 8-5 = 3
It would mean that, 8.46 - 5.31 = 3.15
8.46 has a negative sign. It means that the final answer will have negative sign i.e. −8.46+5.31 = -3.15
Hence, the correct option is (a) " Because |−8.46|>|5.31|, subtract |5.31| from |−8.46| and the sign is negative".
I have to find the circumference of 15 cm
Answer:
r = 2.39 and C=2πr=2·π·2.39≈14.99997
Step-by-step explanation:
Using the formula
C=2πr
Solving for r=C 2π=15
2·π≈2.38732
and then u round up the 7 told the 8 to go up.
2.39
Sun Li is 18 years old.
Her brother Zeb is 13 years old.
How many years older is Sun Li than Zeb?
years
Answer:
5
Step-by-step explanation:
The graph of a line in the xy-plane passes through the point (1, 4) and crosses the x-axis at the point (2.0). The
line crosses the y-axis at the point (0, b). What is the value of b?
Answer with step-by-step explanation:
The graph passes through both (1,4) and (2,0)
Thus it's slope is the difference of ordinates over difference of abscissae or -4
Thus the equation becomes y = -4x + b
This b is the required b
At x=2 ; y=0
Thus 0= -8 + b
b=8
Heather purchased a prepaid phone card for $15 . Long distance calls cost 16 cents a minute using this card. Heather used her card only once to make a long distance call. If the remaining credit on her card is $12.76 , how many minutes did her call last?
Answer:
14 minutes
Step-by-step explanation:
In order to get the answer, we have to subtract the original amount of money on the phone card by the amount left over after the call:
15 - 12.76 = 2.24
Then, we divide this number by 0.16:
2.24 / 0.16 = 14
So, Heather's call lasted 14 minutes
Hope this helps :)
equations that are equivalent to 6x-4/2
Is 1/2 a rational or irrational number
Answer:
rational
Step-by-step explanation:
I'm smart uhujjjjjhbbjjhh
Answer: rational number
Step-by-step explanation: branilest please
What is the slope of the line that passes through the points (7,-6) and (4, -6)? Write your answer in simplest form.
Answer:
It would be a negative slope
Step-by-step explanation:
Since it starts at a positive number but goes down into the negative quarderents it is a negative slope.
Chelsea and her friends are making small fruit baskets for their neighbors. They have 90 pears, 45 peaches, and 75 apples. What is the greatest number of baskets they can make if each basket has the same number of pears, the same number of peaches, and same number of apples, with no fruit leftover?
Answer:
15 baskets
Step-by-step explanation:
This question is a GCF question
The first step would be to find the factors of 45, 75 and 90
The factors of 45 are: 1, 3, 5, 9, 15, 45
The factors of 75 are: 1, 3, 5, 15, 25, 75
The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
The greatest common factor is 15.
Therefore, the greatest number of baskets they can make if each basket has the same number of pears, the same number of peaches, and same number of apples, with no fruit leftover is 15 baskets
. A train travels at 75 miles per hour. An equation can be written that compares the time (t) with the distance (d). What is the domain and range?
Answer:
The domain is time (t) and the range is distance (d).
Step-by-step explanation:
I TOOK THE Test
The time (t) is the domain and range is distance (d)
What are range and domain?The word domain refers to a set of possible input values, on the other hand range refers to the set of possible output value.
How can I locate the domain?Allow x to be an independent variable in the function y is equal to fx, and y is a reliant variable. A value for x is said to be in the domain of a function f if it successfully allows the production of a numerical result y using another value for x.
A train travels at 75 miles per hour.
An equation can be written that compares the time (t) with the distance
here, time (t) is independent value and distance (d) is dependent value which is dependent on time (t).
The domain is time (t) and the range is distance (d).
Learn more about domain and range here:
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Using Oliver’s table, how can you find the unit rate?
Answer:
Is there a table I can see if I'll be able to help
Answer:
Oliver’s table indicates that for every increase of 2 strides, the distance he travels increases by 7 feet. So, the change in distance divided by the change in stride gives the unit rate.
Step-by-step explanation:
This Is The Sample AnswerCasey is using a recipe that requires 23cups of flour for every 2 cups of milk. If Casey uses 5 cups of milk, how many cups of flour are needed?
Answer: 57.5
Step-by-step explanation:
To solve this problem, you need to multiply the number of cups of flour per cup of milk times 5.
Step 1: Find how many cups of flour per cup of milk.
23/2 = 11.5 cups of flour per cup of milk
Step 2: Multiply the cups of flour per cup of milk, times the 5 cups of milk.
11.5 * 5 = 57.5 total cups of flour
Solve. -7x + 29 = 6 (8+3x)
Answer:
Hi there
Your answer is
x = -.76 OR -19/25
Step-by-step explanation:
-7x +29 = 6(8+3x)
-7x +29 = 48 + 18x
-18x
-25x +29 = 48
-29
-25x = 19
/-25
x = -.76 OR -19/25
Answer:
x=-19/25 or x=-0.76
Rewrite the equation in Ax+By=C form.
Use integers for A, B, and C.
y+5=2(x+1)
Answer:
-2x + y = -3
Step-by-step explanation:
First, distribute the right side:
y+5 = 2x+2
Then, subtract both sides by 2x:
-2x + y + 5 = 2
Lastly, subtract both sides by 5:
-2x + y = -3
Hope this helped. If it did, please consider giving brainliest? :)
Which equation is correctly setup to solve for x?
The formula for the hypotenuse of a triangle is:
[a squared] plus [b squared] = c squared
a and b represent the two sides of the triangle.
You would have to square 8 and 4, add them, then take the square root of it to find the length of the hypotenuse.
The first equation is correct.what is 5x5x7squared4
Answer: 4900
Step-by-step explanation:
line p has point (9,5) and (4,0) determine the slop of p
Answer:
1
Step-by-step explanation:
y2-y1= m 0-5= -5 = 1
x2-x1 4-9 -5
What is the inverse of function f? f(x)=10/9r+11
[tex]f(x) = \frac{10}{9}x + 11 \\ [/tex]
So :
[tex]y = \frac{10}{9}x + 11 \\ [/tex]
Subtract the sides of the equation minus 11
[tex]y - 11 = \frac{10}{9}x \\ [/tex]
Multiply the sides of the equation by 9
[tex]9(y - 11) = 10x[/tex]
[tex]9y - 99 = 10x[/tex]
Divided the sides of the equation by 10
[tex] \frac{9y - 99}{10} = x \\ [/tex]
So :
[tex] {f}^{ - 1}(x) = \frac{9x - 99}{10} \\ [/tex]
_________________________________
And we're done.
Thanks for watching buddy good luck.
♥️♥️♥️♥️♥️
Find the area in of this rectangle on this centimetre grid
Answer:
A=22.75cm²
Step-by-step explanation:
A=LW
A=6.5x3.5
A=22.75cm²
help me i'm crying
help me
Answer:
Get a tissue blow your nose and wipe your tears
Step-by-step explanation:
Tell Mommy
Answer:
See below and learn
Step-by-step explanation:
To solve the figure. You need to split the shape up with the lines shown.
Let's solve the top triangle first.
The formula to find the area of a triangle is y = 1/2(b*h)
So the base is 2+2+6 which equals 10. And the height is 4.
So y = 1/2(4*10)
PEMDAS solve parentheses first.
y = 1/2(40)
y = [tex]20cm^{2}[/tex]
Now solve the bottom left one.
y = 1/2(2*2)
y = 1/2(4)
y = [tex]2cm^{2}[/tex]
Now the bottom right triangle.
y = 1/2(6*2)
y = 1/2(12)
y = [tex]6cm^{2}[/tex]
And to solve area of a square is
y = b*h
y = 2*2
y = [tex]4cm^{2}[/tex]
And add all of it up to get
y = [tex]20cm^{2}+2cm^{2} +6cm^{2} +4cm^{2} = 32cm^{2}[/tex]
Area = [tex]32cm^{2}[/tex]
While attending a baseball game, Eva buys hamburgers and hotdogs for her family. The number of hotdogs bought is five more than the number of hamburgers bought. Hamburgers cost $6.25 each and hotdogs cost $3.75 each. Eva spent a total of $58.75 on the hamburgers and hotdogs.
a) let n be the number of hamburgers Eva bought. Set up an equation that models the information given in the problem
b) how many hamburgers did Eva by?
I need a answer by Monday
Answer:
Number of hamburgers bought = 4
Number of hotdogs bought = 9
Step-by-step explanation:
Let
Number of hamburgers bought = n
Number of hotdogs bought = n + 5
Hamburgers cost = $6.25
Hotdogs cost = $3.75
Total cost = $58.75
6.25n + 3.75(n + 5) = 58.75
Open parenthesis
6.25n + 3.75n + 18.75 = 58.75
Collect like terms
6.25n + 3.75n = 58.75 - 18.75
10n = 40
Divide both sides by 10
n = 40 / 10
= 4
n = 4
Number of hamburgers bought = n = 4
Number of hotdogs bought = n + 5
= 4 + 5
= 9
Pls easy geometry !! Help asp for Brainly, pls !!
10. Find the coefficient of x term in the expansion of (2x - 5)(x2 – 3x2 + 4).
Answer:coefficient of x term is 8
Step-by-step explanation:I(2x-5)(x2-3x2+4)
(2x-5)(-2x2+4)
-4x3+8x+10x2-20
coefficient of x is 8
The temperature fell from 0 degrees farenheight to 6 3/5 in 2 1/5 hours. What was the temperature change per hour?
A. -3
B. -4 2/5
C. 3
D. 4 2/5
Answer with step-by-step explanation:
C: 3
This is because 6 3/5 is a positive number, and 6 3/5 ÷ 2 1/5 = 3
Hope this was helpful! (brainliest please)
NUMBER 4!!!!!!! if m∠JKP= 67°, find m∠NKO
Answer:
Step-by-step explanation:
I have some sympathy for the way the questions have been set up and numbered.
The givens are that the two lines that look like they are perpendicular, are perpendicular.
<JKP = 67 Given
<PKL = 180 - 67 < PKL is supplementary to <JKP
<PKL = 113
<PKM = 113 - 90 = 23
Here's what you want to know. <NKO = PKM because they are vertically opposite angles.
Therefore NKO = 23 degrees.
JL is perpendicular to MN, then
m ∠NKO= 23°
Given :
JL is perpendicular to MN and the m∠JKP= 67°
we need to find out m∠NKO
we know that JL is perpendicular to MN. so, <JKN makes an right angle .
m ∠JKN = 90°
PO is a straight line . It makes an angle 180 degree
m ∠JKP +m ∠JKN +m ∠NKO =180
[tex]67+90+m<NKO=180\\m<NKO=180-90-67\\m<NKO=23[/tex]
m ∠NKO= 23°
Learn more : brainly.com/question/17313084
please help you'll get 100 points
Answer:
Y=-x-4
Step-by-step explanation:
I would really appreciate if you also marked me as brainliest
Answer:
y = -x - 4
Step-by-step explanation:
Looking at this graph straight off the bat we see the line is going downwards from left to right which is an indication of a negative slope. The slope is 1 considering the line's rise/run (2 units/2 units down on the graph). Thus, we know our slope is 2/2 = 1. Thus, our slope would appear as -(1)x or -x in the equation.
Next, we need to identify where the line crosses the y-axis to identify our y-axis point. Tracing the line, we see that it comes into contact with the vertical y-axis at -4 (4 units South on the y-axis).
Putting these both together we see the equation of the line is y = -x - 4.
(-8,-11) and (17,4)
Marcus is a recent college graduate. He has $18,000 in student loans. He took out a loan to buy a car and owes $16,000. The car is now worth $14,000. He got his first paycheck and has $1400 in his checking account. What is Marcus' net worth? (Enter the positive or negative dollar amount only.)
Given :
Marcus is a recent college graduate. He has $18,000 in student loans. He took out a loan to buy a car and owes $16,000. The car is now worth $14,000. He got his first paycheck and has $1400 in his checking account.
To Find :
Marcus's net worth.
Solution :
We know, net worth is given by :
Net worth = $( Total amount owns - Total loan )
Net worth = $( 16000+1400) - ( 18000+14000)
Net worth = $(17400 - 32000)
Net worth = $-14600
Therefore, Marcus' net worth is $-14600 ( He is in a loan of $14600).
Hence, this is the required solution.
1/2+6 over 3 = x-3 over 2
what is the awser PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!
I WILL REPORT U IF U PUT SOMETHING SILLY
Answer:
x = 7 1/3
Step-by-step explanation:
First, add 1/2 and 6
1/2 + 12/2 = 13/2 = 6 1/2
Our equation now:
13/2 over 3 - x - 3 over 2 = 0
Next, divide 13/2 by 3
13/2 divided by 3 = 13/6
Our equation now:
13/6 over 3 - (x - 3) over 2 = 0
Now, find common denominators and simplify
13/6 - ((x - 3) times 3) over 6 = 0
22 - 3x over 6 = 0
Multiply by six on both sides
22 - 3x = 0
Subtract 22 from both sides
-3x = -22
Divide by -1
3x = 22
Divide both sides of the equation by 3
x = 22/3
x = 7 1/3
Hope this helps!