3.5−2.46=1.16
Describe Maysa's error. Explain how you would use a model or place-value concepts to help Maysa build understanding. Give the correct answer in your explanation.
The correct answer for the given subtraction is:
3.5 - 2.46 = 1.04
How to solve the subtraction?
Here we want to find the subtraction between two numbers in decimal form:
3.5 - 2.46 = 1.16
Now, this is clearly wrong, as 0.46 is smaller than 0.5, so the decimals after the decimal point are incorrect, now let's solve it again.
First, we can rewrite these two numbers as:
3.5 = 3 + 0.5
2.46 = 2 + 0.46
Then the subtraction can be rewritten as:
3.5 - 2.46
(3 + 0.5) - (2 + 0.46)
Now we group like terms:
(3 - 2) + (0.5 - 0.46)
1 + (0.50 - 0.46)
1 + (0.04)
Now we group that, so we get:
1 + (0.04) = 1.04
This is the correct answer to the given subtraction.
If you want to learn more about subtractions:
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48x3 +128x2 − 75x − 200 factor
Use the following stem-and-leaf plot to answer the question.
What is the median?
The median of the stem-and-leaf plot is 23
based on the picture below. find the angle measure for lmn.
Answer:
Step-by-step explanation:
4x + 2x = 90
6x = 90
x = 15
4(15)= 60 for <LMN
2(15)= 30
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Answer:
3.5
Step-by-step explanation:
Answer:
0.35( I see that's a lot of help* )
The answer is 0.35 because...
Each row is 10 and there is 3 rows full,
1 row is half full, so that equals 5, and then
you add up all of the numbers and you will get 35.
But, in this case, you need it to be a decimal so you just make it 0.35
Hope this helps! <3
What is the product of (−4)⋅(−4)⋅(−4)⋅y⋅y using exponents
Answer:
[tex](-4)^{3[/tex]*[tex]y^{2}[/tex]
This should be right.
answer for immediate brainliest
Answer:
3
Step-by-step explanation:
Solve this system:
2x+5y+z=3
x-3y+2z=2
-x+2y-3z=-7
Answer:
x= -3
y= 1
z= 4
Step-by-step explanation:
Please see the attached pictures for the full solution.
*I evaluated the determinants using Sarrus' rule (see last picture):
∆= aei +bfg +cdh -gec -hfa -idb
*The symbol '∆' (delta) is usually used to denote a determinant.
Help please fast!!!!
1.
The factored form of a quadratic function is f(x)=(x-p)(x-q).The standard form of a quadratic function is fX)=ax^2+bx+c. The factored
form for a quadratic function tells us the x-intercepts of the quadratic function, while the standard form for a quadratic function tells us they
intercept of the quadratic function.
If p=2 and q=-3, use what you have learned about multiplying polynomials to
1) write the factored form of the quadratic function f(x)
2) write the standard form for the quadratic function f(x)
Answer:
(1) f(x)=(x-2)(x-3)
(2) f(x)=x²-5x+6
Step-by-step explanation:
(1) f(x)=(x-p)(x-q)
f(x)=(x-2)(x-3)
(2) f(x)=x²-3x-2x+6
f(x)=x²-5x+6
An elephant can drink up to 6,400 fluid
ounces of water a day. How many gallons of
water can an elephant drink per day?
Answer:
50 gallons
Step-by-step explanation:
pleaseee help me solve this
hello! here is your answer
Answer:
1) ∠2 ≅ ∠7
⇒ they are corresponding angles
2) ∠5 ≅ ∠9
⇒ they are alternate interior angles
3) ∠4 ≅ ∠7
⇒ they are vertically opposite angles
4) if ∠3 ≅ ∠8, then p║q
⇒ they are corresponding angles
5) ∠3 ≅ ∠9
⇒ they are vertically opposite angles
6) m∠2 + m∠3 = 180
⇒ they are co-interior angles
7) ∠4 is vertical to ∠7
8) ∠2 and∠3 are same side interior angles
9) ∠5 corresponds to ∠8
10) one alternate exterior pair is ∠1 and ∠8
hope it helps you!!
Need help with w(x+1)
Answer:
Sure thing w(x+1)= wx+2
Step-by-step explanation: You use distributive property. Hope this Helps!
The hypotenuse of an isosceles right triangle has length 4. How long is each leg?
Answer:
you know 2 sides are the same on an a silly triangle.. I mean isosceles.. so the hypotenuse will be longer but the other two sides are the same
use [tex]C^{2}[/tex] = [tex]A^{2}[/tex] + [tex]B^{2}[/tex] ( Pythagoras theorem )
Step-by-step explanation:
[tex]4^{2}[/tex] = [tex]A^{2}[/tex] +[tex]A^{2}[/tex] ( b/c the side are the same length the can both be called A )
16 = 2[tex]A^{2}[/tex]
8 = [tex]A^{2}[/tex]
[tex]\sqrt{8}[/tex] = A
not a whole number but.. it's still a good answer square root of 8 is about 2.8284 on my calculator
4) Choose the correct inequality for this situation.
The Walter family budgets a maximum amount of $124 for a camping trip.
Mr. Walter already spent $40. How many people x can go canoeing if the
cost is $21 per person?
A- 21x + 40 >_ 124
B- 21x + 40 <_124
C- 40x + 21 < _124
D- 21x + 40 > 124
Answer:
B. 21x + 40 ≤ 124
Step-by-step Explanation:
Maximum amount budgeted = $124 (this means they can't spend more than this)
x = number of people
Cost per head = $21
Given that Mr Walter already spent $40, which is part of the money budgeted, the number of people that can go canoeing cam be expressed with the following inequality:
21x + 40 ≤ 124
(note: the amount total to be spent will either be equal to or greater than $124, because it's the maximum amount budgeted for spending).
Name the property that the statement illustrates.
If ZABC - ZDEF and ZDEF ZGHI, then ZABC - ZGHI.
Answer:
Transitive property
Step-by-step explanation:
It statea that if a=b and b=c, then a=c.
the product of 2 more than a number and 10 is 36 more than 8 times the numbe. whats the number?
Answer: 8
Step-by-step explanation:
let x = the number
(x + 2)*10 = 8x + 36
10x + 20 = 8x + 36
2x = 16
x = 8
help me asp and explain please
Okay so, to get C you add the ones inside the triangle together.
42+58=100 Then the last angle will be 80, because when you add the three inside the triangle, you should get 180
42+58+80=180
To get D, you have to subtract 180 and 58, because 58+d will be a straight angle.
180-58=121
To get B and A, you would also have another straight angle (c, b, and a)
180-80=100
I believe that B=A, so, with the remaining 100, both A and B equal 50.
50+50+80=180
Does this help??
Answer:
a° = 58°
b = 42°
c° = 80°
d° = 122°
Step-by-step explanation:
d° can be found because a straight line has an angle of 180°.
180° - 58° = 122°
Because the angles of a triangle add up to 180°, we can find c°
58° + 42° = 100°. 180° - 100° = 80°
You can find a° subtracting 180 and d°, which is 122. 180° - 122° = 58°
You can do the same thing for b°. 180° - 42° = 138°. 180° - 138° = 42°
You can check this because b° + c° + a° should equal 180°.
58° + 42° + 80° = 180°
I hope this helps :)
how do i solve for x
Answer:division if you just use the derivative
Step-by-step explanation:
What is the value of 5/z when z=2
Raj is deciding between two cell phone plans, A and B, which are both linear functions. The monthly charge for plan A according to the number of minutes used is shown in the table.
Monthly Charge for Plan A
Minutes used, x
Monthly charge ($), y
0
14.45
3
14.84
6
15.23
9
15.62
12
16.01
Plan B has the same monthly base charge as plan A, but it charges a different amount per minute used. If the total monthly charge for plan B is $22.10 when 45 minutes are used, what is the slope of the linear function that represents the cost of plan B?
0.13
0.17
0.39
0.45.
Answer:B is the correct answer (0.17)
Step-by-step explanation:
Any natural number and “0” means?
Answer:
Whole numbers
Step-by-step explanation:
Since natural numbers are any whole number excluding zero.
Answer:
This really confuses me, but it should be a whole number. I mean, right?
10x - 4 = 16
What does x equal to?
Answer:
x = 2
Step-by-step explanation:
First isolate the variable:
10x - 4 = 16
+4 +4
10x = 20
Then get x by itself:
10x = 20
x = 20/10
x = 10
solve the equation. Enter your answer in the box.
please help me will give brainliest
Answer:
im pretty sure the answer is c
it is twice as likely for the next spin to land on green as opposed to red.
Explanation:
you can check your answer by multiplying 7(red) twice and you do get 14(green) as your answer.
hope this helped:)
Answer:
C.
Step-by-step explanation:
A is wrong because 5 and 4 are not the same.
B is wrong because there is a higher chance for red to spin than yellow, 7 is more than 5.
C is right because green is double as likely to spin as red, 14 is double of 7
D is wrong because 12 is less than 14
On the graph Y= -3x+4?
Answer:
1,1
Step-by-step explanation:
Combine like terms.
-m + 4m - 5m - (-9)
o not use any spaces in your answe
Answer:
9 - 2m
Step-by-step explanation:
-m + 4m - 5m - (-9)
-m + 4m = 3m
3m - 5m - (-9)
3m - 5m = - 2m
-2m - (-9)
-(-9) = 9
9 - 2m
the value of a collectible coin can be represented by the equation y=2x+9.74 where x represents the number of years that consuello has owend the coin y represents the total value in dollars of the coin. what was the value of the coin when consuello originally purchased it?
Answer:
The answer is b ($9.74)
Step-by-step explanation:
I got it right (:
The cost of a pair of pants was reduced from $50 to $40. By what percent did the cost of the pair of pants decrease? 2% 10% 20% 40%
Answer:
C. 20%
Step-by-step explanation:
50*2=100
40*2=80
100-80=20
A percentage is a number or ratio that represents a fraction of 100.
The percentage decrease in the cost of the pair of pants is 20%.
What is a percentage?A percentage is a number or ratio that represents a fraction of 100.
Example:
50% = 50/100 = 1/2
10% = 10/100 = 1/10
25% = 25/100 = 1/4
20% = 20/100 = 1/5
We have,
The initial cost of pair of pants = $50
The final cost of pair of pants after reduced = $40
The percentage decrease in the cost of pair of pants:
= [( Initial cost - Final cost ) / Initial cost] x 100
= [(50 - 40) / 50] x 100
= (10/50) x 100
= 20%
Thus,
The percentage decrease in the cost of the pair of pants is 20%.
Learn more about percentages here:
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hElP plS anD tY :}
I will give brainliest if I can (only to the first person who answers)
Answer:
the shark can swim 45 mph and the scuba diver can only swim 20. What is the difference between the speeds of the shark, and the scuba diver?
Answer:
fbejfbe
give brainliest pls??
Step-by-step explanation:
Working simultaneously, four fudge machines complete a big order in 32 hours. All the machines at the fudge factory work at the same pace. a If only half of the machines are working, in how many hours will the order be complete?
If only half the machines are working at the same rate as before, the order will be finished in 64 hours.
When the four big fridges were working simultaneously, they were able to finish the order in 32 hours.
With only half of these fridges, they will only be half as fast. This means that they will complete the order in double the time:
= 32 x 2
= 64 hours
In conclusion, the order will be completed in 64 hours.
Find out more at https://brainly.com/question/19465480.