can someone that is good at 7th grade math help me plzzzz
Answer:
-4 *-4 *-4
= 16*-4
= ANWSER
-9*-9
=81
Step-by-step explanation:
A tool box has the dimensions of 10 in by 4 in by 3 in. If Andrea plans to double one dimension to build a larger tool box, she believes she would double the volume of the tool box. Is she correct?
Answer: Yes
Step-by-step explanation:
Given
Dimension of the toolbox is [tex]10\ in.\times 4\ in.\times 3\ in.[/tex]
suppose the length of the box is doubled, then a new length will be [tex]2\times 10\ in.[/tex]
So, the volume of the box becomes
[tex]\Rightarrow V=2\times 10\times 4\times 3[/tex]
It can also be written as
[tex]\Rightarrow V=2\times (10\times 4\times 3)=2\times (V_{old})[/tex]
i.e. the volume of the toolbox is doubled. Therefore, Andrea is correct.
true of false if a shape has two pairs of parallel sides then it is a parallelogram
Answer:
false
Step-by-step explanation:
it could be a square/ rectangle/ other shapes as well
Solve the variable in the following equation: 5 + h = 11 − 2h
A. h = −1
B. h = 2
C. h = 5
D. h = 9
Answer: B. h = 2
Step-by-step explanation:
Given
5 + h = 11 - 2h
Add 2h on both sides
5 + h + 2h = 11 - 2h + 2h
5 + 3h = 11
Subtract 5 on both sides
5 + 3h - 5 = 11 - 5
3h = 6
Divide both sides by 3
3h / 3 = 6 / 3
h = 2
Hope this helps!! :)
Please let me know if you have any questions
Answer:
B) h=2
Step-by-step explanation:
5+h=11-2h
5+h-(-2h)=11
5+h+2h=11
5+3h=11
3h=11-5
3h=6
h=6/3
h=2
Solve the system of equations using the substitution method. Show your work and be sure to include the solution to the system y=x-1 2x+y=8
Answer:
Is that simultaneous equation
Answer:
Solve the system of equations using the substitution method. Show your work and be sure to include the solution to the system.
Step-by-step explanation:
y=x-1
2x+y=8
Please please help I beg you
Answer and Step-by-step explanation:
Work is in the picture.
We get [tex]30\sqrt{2}[/tex] as the side length, and 180 as the area of the square.
#teamtrees #PAW (Plant And Water)
mandy buys 36 pens, 36 pencils, 36 rulers and 36 pencil cases
what is the total amount of money spent by mandy
Answer:
Depends on how much each item cost but in this case if everything was a dollar it would cost $144.
Step-by-step explanation:
Hope this helps and have a wonderful day!!!
GIVING BRAINLIEST PLEASE HELP!!
-if you answer correctly ill give you brainliest which will give you 30pts-
Answer:
d
Step-by-step explanation:
f(x) = -2^2 + 6x + 1
f(5) =
613 Step-by-step explanation:
if £1=$1.56, what is $1 worth
I need you to solve this for me and I need the steps and answer
+1x=+50
Answer:
x=50
Step-by-step explanation:
+1x=50
divide both sides by 1
x=50
Answer:
x = 50
Step-by-step explanation:
If you divide anything by one, it will remain the same.
To isolate the x variable, you need to divide both sides by 1.
+1x/1 = 50/1
x = 50
7. A college professor asked her psychology students to complete a personality test. She paid special
attention to her students' greatest fears. The probability of a student being afraid of snakes is 1/3. The
probability of a student being afraid of heights and being afraid of snakes is 2/15. What is the probability
that a student is afraid of heights?
15
(1)
(3)
MIN
(2)
(4)
Answer:
2
Step-by-step explanation:
Diana decided she needed some new friends to play with. She understood that fish were not fun to hang out with, so she bought 3 baby mice and 2 baby pythons for a total cost of $103.50. Mr. Reyes also thought this was a great idea. He bought 3 baby mice and 3 baby pythons for a price of $148.50. Find the price of the mouse and the price of the python.
Step-by-step explanation:
Let m be the price of 1 baby mice
Let p be the price of 1 baby python
Given,
[tex]3m + 2p = 103.50[/tex]
as equation 1.
and
[tex]3m + 3p = 148.50[/tex]
as equation 2
From here we can easily use elimination method
for solving simultaneous equations.
Use Equation 1 - equation 2 to eliminate m to find p.
[tex](3m - 3m) + (2p - 3p) = 103.50 - 148.50 \\ - p = - 45 \\ p = 45[/tex]
Substitute p into equation 1.
[tex]3m + 2(45) = 103.50 \\ 3m + 90 = 103.50 \\ 3m = 103.50 - 90 \\ 3m = 13.50 \\ m = 13.50 \div 3 \\ = 4.50[/tex]
therefore 1 baby mice cost $4.50 and 1 baby python costs $45.
Answer:
Baby python: $45
Baby mouse: $4.5
Step-by-step explanation:
First of all, 3 baby mice and 2 baby pythons cost $103.50. When Mr. Reyes adds a baby python (He bought 3 baby mice and 3 baby pythons for a price of $148.50.) To find the price of a baby snake, you need to subtract both prices. 148.5-103.5=45, so a baby snake costs $45. Now we need to find the price of the baby mice, so we need to remove the snakes. 45*2=90. (2 snakes). 103.5-90=13.5, and 13.5/3=4.5, so a baby mouse costs $4.5.
Thanks
describe and correct the error in the factoring polynomial. x^2+4x-96=(x-12)(x+8)
Answer:
100.03
Step-by-step explanation:
i think it is correct
pls help i dont understand
Answer:
D and C should be correct.
Step-by-step explanation:
A clerical worker takes 3 times as long to finish a job as it does an executive secretary. Working together, it takes them 4 hr to finish the job. How long would it take the clerical worker, working alone, to finish the job?
Answer:
8 hours
Step-by-step explanation:
In 2 hours, the clerical secretary can do 1/4 of the job. (The executive secretary does 3/4 of the job - or 3 times as much - in the same 2 hours.)
Since it takes the clerical secretary 2 hours to do 1/4 of the job, it will take them four times that to do it themselves. 2x4=8.
Name all the word(s) that can be used in place of classify
A.rank
B.all of the above
C.organize
D.sort
E.Group
the answer would be A rank
Answer:
B.) all of the above.
Step-by-step explanation:
Rank, organize, sort, and group are all good synonyms to use in place of the word classify.
Examples:
"Children need to know that we classify things every day in order to separate information."
And, you can also say:
"Children need to know that we sort things every day in order to separate information."
"Children need to know that we group things every day in order to separate information.
Alright, I think you get it now, right? Thanks for posting the question, fam. Have a nice day.
A data set is shown below. { 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 } Which of the following best represents a measure of center for the values in this data set?
Answer:
51
Step-by-step explanation:
An airline uses many different types of airplanes. Information regarding some of the airplanes is given in the table below. A 5-column table with 5 rows. Column 1 is labeled Plane with entries SkyBus 280, SkyBus 580, Grigson A-2, Grigson A-5, SkyDancer. Column 2 is labeled Number of seats with entries 120, 225, 70, 130, 350. Column 3 is labeled Seat width (inches) with entries 20.3, 20.6, 19.9, 20.5, 20.2. Column 4 is labeled Wi-fi with entries no, yes, no, yes, yes. Column 5 is labeled first-class seats question mark with entries no, yes, no, no, yes. Which of the variables is a continuous variable? number of seats seat width Wi-Fi first-class
Answer:
b took the test right now
Step-by-step explanation:
The required, seat width is the continuous variable in the given table.
What is continuity?Continuity is a mathematical concept that describes the smoothness of a function or a curve. A function is said to be continuous if there are no abrupt changes or breaks in the values it takes as the input varies. More formally, a function f(x) is continuous at a point x = a if the limit of f(x) as x approaches a from both sides exists and is equal to f(a).
For example, a function that describes the temperature in a room as a function of time is continuous if there are no sudden changes or jumps in the temperature.
Here,
The number of seats is not a continuous variable because it can only take discrete values (such as 120, 225, etc.).
The Wi-Fi and first-class variables are not continuous either because they are categorical variables that can only take a limited number of values (yes or no).
The seat width variable, however, is a continuous variable because it can take on any value within a range of values (such as between 19.9 inches and 20.6 inches). Therefore, seat width is the continuous variable in the given table.
Learn more about continuity here:
https://brainly.com/question/24898810?referrer=searchResults
#SPJ7
Find the volume of the cylinder.
Either enter an exact answer in terms of T or use 3.14 for T.
8
Answer: V= 100.48 m^3 or in terms of Pi V = 32 π m^3
Step-by-step explanation:
V = πr^2h
V = π(2)^2(8)
V = π(4)(8)
V = 100.48
or
V = π (4)(8)
V = 32 π m^3
DO it and thanks for the helpppp!!!!!!!!!!!!!!
Answer:
c
Step-by-step explanation:
the height is 3 so multiply everything by 3 (AFTER) THEN you add the 2 and 5 and get 10 then times by the 3 to get 30
Verify [cos(x)/1+sin(x)] - [cos(x)/1-sin(x)] = -2tan(x)
Answer:
L.H.S = R. H.S
Step-by-step explanation:
Hope, you see the image .
Note; Way to solve question may vary according to your grade
This process is for grade 9 and above
For lower level you can express all tri.. ratios in p , b & h and prove it
How do u make 25 m to *what* cm?
Answer:
2500 cm
Step-by-step explanation:
1 meter = 100 cm
25m x 100 = 2500 cm
Answer:
25cm is equal to 2500 cm because 1 m is 100 cm
Step-by-step explanation:
Please, may i have brainly? i need 4 more!
What are the integer solutions to the inequality below? 2 x < 3 x + 2 ≤ x + 6
Answer:
-2 < x ≤ 2
Step-by-step explanation:
Write the expression representing the total number of miles run: Jazmin ran 3 miles on Monday. For the next 4 days, she ran x miles each day.
Answer:
4 + x
Step-by-step explanation:
Heelp me, please.................
Answer:
B
Step-by-step explanation:
Fre.e points i guess 2+2+2x5=
Answer:
14
Step-by-step explanation:
evaluate multiplication first
14
hope this helped :l
Evelyn is going to invest $3,500 and leave it in an account for 16 years. Assuming the
interest is compounded quarterly, what interest rate, to the nearest tenth of a
percent, would be required in order for Evelyn to end up with $6,200?
Answer:3.6%
Step-by-step explanation:
PLEASE PLEASE SOMEONE HELP WITH THIS QUESTION!! 15 POINTS AND I WILL AWARD BRAINIEST!!!!
Answer:
x=14
Step-by-step explanation:
complementary=90 degrees
4x+2x+6=90
6x=84
x=14
Find the value of x in the triangle shown below.
1. x = 3
2. x = √20
3. x = 2
4. x = √36
Step-by-step explanation:
5²=4²+x²
25=16+x²
25-16=x²
9=x²
√9=√x²
3=x
A