Answer:
Jacob is 4 years old and his mother is 40 years old.
Step-by-step explanation:
Part 1: The linear equations are and
Part 2: Solving the equations, we have, and
Part 3: Jacob is 4 years old and his mother is 40 years old.
Explanation:
Part 1: Let j represent Jacob's age, and let m represent his mother's age.
It is given that, "Jacob's mother is three more than nine times as old as Jacob". Writing it as linear equation, we have,
It is also given that, "In eleven years, his mother will be five more than three times his age". Writing it as linear equation, we have,
Simplifying this, we get,
Thus, the linear equation is
The linear equations are and
Part 2: Solving the linear equation, we get,
Substituting in
Simplifying, we get,
Hence,
Substituting in
Solving the equations, we have, and
Part 3: Since, j represents jacob and m represents the jacob's mother
Thus, Jacob is 4 years old and his mother is 40 years old.
When I did it I didn't get any of the answer choices so I know i'm Incorrect please help me find the correct answer
Answer:
17 units
Step-by-step explanation:
P to Q = (-2,2) to (5,2) = is 7 units
The Q to R = (5,2) to (5,-5) is 7 units
Then R so S = (5,-5) to (8,-5) is 3 units
7+7+3 = 17 units
Answer:
C. 17
..................
I really need help with this
Answer:
8/5
Step-by-step explanation:
There are 8 jokers combined, and 5 decks, so the mean is 8/5.
Add.
8/9+2/3+1/6
11/18
11/15
1 13/18
1 2/9
Answer:
1 13/18
Step-by-step explanation:
Get a common denominator of 18
8/9+2/3+1/6
8/9 *2/2 + 2/3 *6/6 + 1/6 *3/3
16/18 + 12/18 + 3/18
31/18
18/18+13/18
1 13/18
[tex]\huge\text{Hey there!}[/tex]
[tex]\large\text{The Lowest Common Denominator (LCD) of these fraction is: \bf 18}[/tex]
[tex]\mathsf{\dfrac{8}{9}+\dfrac{2}{3}+ \dfrac{1}{6}}\\\\\mathsf{= \dfrac{8\times2}{9\times2}+\dfrac{2\times6}{3\times6}+ \dfrac{1\times3}{6\times3}}\\\\\mathsf{8\times2=\bf 16}\\\mathsf{2\times6=\bf 12}\\\mathsf{1\times3 = \bf 3}\\\\\mathsf{9\times2=\bf 18}\\\mathsf{3\times6= \bf 18}\\\mathsf{6\times3 = \bf 18}\\\\\mathsf{\dfrac{16 + 12 + 3}{18}}\\\\\mathsf{16+12+3}\\\mathsf{= 28 + 3}\\\mathsf{=\bf 31}\\\\\\\mathsf{ = \bf 1 \dfrac{13}{18}}\\\\\\\boxed{\huge\textsf{Answer: \boxed{\mathsf{1 \dfrac{13}{18}}}}}}[/tex] ☑
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]
Could someone help me with (Q 15?) Maybe a brainliest if you do step by step and get the correct answer. Thank you :D
Answer:
It is a reflection across the y axis
Step-by-step explanation:
The reflection of point (x, y) across the x-axis is (x, -y).
The reflection of point (x, y) across the y-axis is (-x, y).
Since (-4, -2.4) becomes (4, -2.4) The x values changes sign. It is a reflection across the y axis
Look at the picture below for the info
Answer:
x = -3/14
Step-by-step explanation:
1/2(2x-1) = -1/7 -4/7
Combine like terms
1/2(2x-1) = -5/7
Multiply each side by 2
2*1/2(2x-1) = -5/7*2
2x-1 = -10/7
Add 1 to each side
2x-1+1 = -10/7 +1
2x = -10/7 +7/7
2x = -3/7
Divide by 2
2x/2 = -3/7 *1/2
x = -3/14
Eric makes a fruit salad. He uses 1/2 cup blueberries, 2/3 cup strawberries, and 3/4 cup apples.
How much fruit did Eric use in all?
Enter your answer as a mixed number in simplest form by filling in the boxes.
Rewrite the fractions so they have a common denominator
1/2 = 6/12
2/3 = 8/12
3/4 = 9/12
Now add them together:
6/12 + 8/12 + 9/12 = 23/12 rewrite to a mixed number: 1 and 11/12 total cups
Find the area of each figure. Round to the nearest tenth if necessary.
Shape 1: TRIANGLE
Formula: A = 1/2 x bh
1/2 x (10)(5) = 25
AREA: 25 square yards
Shape 2: RECTANGLE
Formula: A = lw
(12)(10) = 120
AREA: 120 square yards
Sum (ADD)
25 yd^2 + 120 yd^2 = 145 yd^2
The area of the composite figure is 145 yd^2
What happened that caused Nollie's housemate, Katrien, to arrive at the ten Boom's house in an emotional state?
Answer:
Nollie told the police that Annaliese was a Jew
Step-by-step explanation:
Function f(x) =ax +b where a and b are integers and a<0 has a domain 1
Answer:
sorry i read the question wrong and put a wrong answer im not sure how to delete
Step-by-step explanation:
Determine whether each sequence is a geometric sequence. If yes, then state the common ratio.
5, 10, 15, 20,...
Answer:
Step-by-step explanation:
it is not a geometric sequence
Answer:
no
Step-by-step explanation:
Take the second term and divide it by the first term
10/5 = 2
Take the third term and divide it by the second term
15/10 = 3/2
The ratio is not the same so it is not a geometric sequence
A box contains 8 blue crayons, 4 green crayons, and 3 red crayons. If one crayon is randomly selected and returned to the box, then a second crayon is randomly selected, what is the probability that both crayons will be red?
The Probability is 5% And Yes The Crayons will be red
Find the value of x in the isosceles triangle shown below.
Answer:
sqrt of 41, or A
Step-by-step explanation:
You can cut the iscosles triangle into 2 right triangles as shown on the image, and the base of each will be 4, and the height 5.
The hypotenuse on a right triangle is the square root of the base squared added with the height squared, which would be 16+25, or 41. therefore, X is the sqrt of 41
Answer:
A. x = square root of 41
Step-by-step explanation:
Jordan flipped a coin 218 times. Which of the following would be a good estimate of the number of times the coin landed on heads?
A. 168
B. 104
C. 209
D. 34
Ans: (1/2)218 = 109
----
Closest to that is 104
Answer:
B. 104
Step-by-step explanation:
It would make the most sense if it were somewhere in the middle since flipping a coin has a 50% chance of being heads.
B. 104 is closest to the absolute middle of 218, therefore, it would be the most accurate.
Solve by factoring
x^2-8x-9 = 0
Answer:
the answer is ( x-9) (x+1) = 0
Step-by-step explanation:
more to the solution is x= -1, 9
Explain how to use the regression calculator to make a reasonable prediction given a data table.
plz, I need this!!!
Answer:
Step-by-step explanation:
Enter data into the regression calculator.
Determine the regression equation.
Substitute the correct value for x or y into the equation.
Simplify to find the value of the other variable.
what comparison does the ratio 6 to 21 represent
Answer:
3:7
Step-by-step explanation:
hope it help you....
Answer:
2:7
Step-by-step explanation:
You have to find the common denominator and divide both numbers by that for example: 6 and 21 they can both be equally divided by 3 without becoming a fraction or a decimal.(Pls do correct me if i'm wrong don't be scared to)
Express each of the following percentages as decimals
4%
solution for class 7
Answer:
0.04
Step-by-step explanation:
4%/100% = 4/100 = 0.04
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
Answer:
4/100=0.04
Step-by-step explanation:
If you like my answer than please mark me brainliest thanks
Help me Guess just help please
Answer:
26
is it direct or step by step?
Write this in equation form!!!
Two less than the product of 5 and a number is -12
PLEASE ANSWER QUICKLY AND ACCURATELY WILL MARK BRAINLIESY
Answer:
(5x) - 2 = -12
Step-by-step explanation:
hope that helps
Answer:
-12
Step-by-step explanation:
I am a four digit number
I am a multiple of 110
My second and fourth digit are the same.
The first digit is one more than my third digit
Please help me with this riddle! :)!
Can someone help me out with this one? + add an explanation on how you got the answer? Thanks!
Answer:
Hello,
Answer B: 7
Step-by-step explanation:
In order to find f2), we don't need to know f^(-1) !!!
f(x)=3x+1
f(2)=3*2+1=6+1=7
Answer:
B
Step-by-step explanation:
To evaluate f(-2) plug 2 into f(x) so f(x)=3(2)+1 or 7.
After school, Carlos helps his mom at her cake shop, Love and Lace Cakes. Today, he is helping her bake a 3-layer wedding cake. Each layer will be 2 1/2 inches tall and shaped like a rectangular prism. The bottom layer will be 12 inches long and 10 inches wide. The middle layer will be 10 inches long and 8 inches wide. The top layer will be 8 inches long and 6 inches wide. What will the total volume of the wedding cake be?
PLZ HURRY WILL MARK BRAINLIEST
HELLLPPPP..............
You can use a calculator on the first page.
39
30
15
37
1
45
6
10
8
19
1
67
4
URGENT Two numbers have a sum of 2 and a difference of -16. What are the numbers?
Answer:
-7 and 9!
Step-by-step explanation:
To get to the sum of 2 you add -7 and 9.
To get to the diffrence of -16 you minus -7 and 9.
Picture below maths :
Step-by-step explanation:
f(g(x))= f(2x)
f(g(x))=3+cos2x
g(f(x))=g(3+cosx)
g(f(x))=2(3+cosx)
g(f(x))=6+2cosx
where,
f(g(x))=g(f(x))
3+cos2x=6+2cosx
2cosx-cos2x+6-3=0
2cosx-cos2x+3=0
x=2pi n1+pi
n1€ z
HELP PLEASE URGENT!!!!
Kelly works at her own nail salon. Today, she did 11 manicures and received $46.75 overall in tips If x represents the cost of each manicure, which of the following equations can be used to find the total amount of money she eamed, including tips, for her nail salon today?
Answer:
C...11 manicure X cost of each manicure
11x
46.75 is her tips
total is 11x+46.75
Answer: y= 11x+46.75
Step-by-step explanation:
We know that Kelly did 11 manicures, we don't know how much each manicure costs so we will say that each manicure costs x amount of dollars. If Kelly receives $46.75 in tips and we need to figure out how much she made in total, we add together the tip amount and the cost of the 11 manicures. Which should look like, 11x+46.75=y
Hii! Please helpppp!! This was due like 3 days ago lol
Fergus has 3 1/4 cups of oats
= 13/4 cups of oats
Oatmeal bars = 2 2/3
= 8/3 cups of oatmeal used
Therefore cups of oats left = 13/4 - 8/3
= 39/12 - 32/12
= 7/12 cups of oats left
She borrowed 1 cup of oats from neighbour
7/12 + 1/1
= 7/12 + 12/12
= 19/12 cups of oats
Blueberry oats muffin = 1 3/4 cups of oats
= 7/4 cups of oats
Total she will have now = 19/12-7/4
= 19/12 - 21/12
= - 2/12
= -1/6
Which means she needs 1/6 cup of oats more
Therefore its option 4
Must click thanks and mark brainliest
Answer:
she needs 1/6 more so the last option! looking at the pic i dont think you need to show the work :)
Step-by-step explanation:
the product of 4 and y
Answer:
4y
Step-by-step explanation:
product means multiply
4y
Answer:
4y
Step-by-step explanation:
Rachel bought 2.5 pounds of cookies for $13.40. Her friend buys 4.5 pounds of crackers for $24.75. Which is less
expensive per pound? By how much? (HINT: Find the unit rate for each, then find the difference)
I need help plz sorry
Answer:
a)
[tex](4.3 \times {10}^{5} )(1.6 \times {10}^{4} ) = 6.88 \times {10}^{9} [/tex]
b)
[tex](2.25 \times {10}^{3} )(5.8 \times {10}^{6} ) = 13.05 \times {10}^{9} = 1.305 \times {10}^{10} [/tex]
I hope I helped you ^_^