Answer:
I'm not confident on this but:
L = 2(W + 1)
Hopefully this might help somewhat :]
L: Length
W: Width
Solve using distributive property. (3x2-2x+7)(x2+2x) Thank you!
Answer:
[tex]3x^4+4x^3+3x^2+14x[/tex]
Step-by-step explanation:
[tex](3x^2-2x+7)(x^2+2x)[/tex]
[tex]3x^4+6x^3-2x^3-4x^2+7x^2+14x[/tex]
[tex]=3x^4+4x^3+3x^2+14x[/tex]
Answer:
3x^4+4x^3-3x^2+14x
Step-by-step explanation:
(3x^2-2x+7)(x^2+2x)
= 3x^2(x^2+2x)-2x(x^2+2x)+7(x^2+2x)
= 3x^4+4x^3-3x^2+14x
The accepted density of copper is 8.96 g/cm3. A lab team measured the density of a copper sample in a lab and calculated a density of 8.40 g/cm3. Part A: Which expression calculates the percent error for the calculated density of copper? Part B: What is the percent error? Select two answers: one for Part A and one for Part B. Answer Choices: B: 4.84% B: 6.51% A: 8.40|8.4+8.96|⋅100 B: 6.67% A: |8.40|8.96⋅100 A: |8.40−8.96|8.96⋅100 B: 2.33% A: |8.40−8.96|8.40⋅100
Answer:
A: [|8.40−8.96|/8.96]⋅100,
B. 6.25%
Step-by-step explanation:
A.
% error =[ | calculate density - accepted density|/ accepted density]*100%
A: [|8.40−8.96|/8.96]⋅100
B. |8.40−8.96|/8.96⋅100 = 6.25%
A 45-foot ladder makes an angle of measure 55 degrees with the ground. How high up the wall does the
ladder reach?
Answer: is it degrees or something else? cause i dont think "degrees" is the word for that. Just asking if you made sure your sentence is correct
Step-by-step explanation:
Mrs. Greer was making pancakes for breakfast. Baking is an exact science so correct measurements are crucial. She had a recipe that called for 1 1/2 cups of water for 2 cups of mix. She only had 1 1/2 cups of mix. How much water should she add as a fraction, since her measuring cup only has fractions. (This is a true story, I actually did this on Sunday, only an exact fractional answer will count)
Answer:
[tex]\frac{9}{8}[/tex] cup
Step-by-step explanation:
write a proportion 1 1/2 / x = 2 / 1 1/2. when solved, the answer is 9/8 cup
PLEASE HELP ANSWER BOTH QUESTIONS
Answer: the trap is 22.5 in. cubed
Step-by-step explanation:
Answer:
22.5 in cubed
Step-by-step explanation:
How many degrees does a quadrilateral have?
Answer:
A quadrilateral has 360 degrees.
Step-by-step explanation:
Who can help me with this multiple choice problem
Answer:
the answers are E and C
The ratio of men to women working for a company is 3 to 2 . if there are 39 women working for the company, what is the total number of employees?
NVM IDK please delete my answer sorry idk how
On a coordinate plane, 5 parallelograms are shown. Parallelogram L M N P has points (3, 1), (4, 1), (4, 3), and (5, 3). Figure D is reflected across the x-axis. Figure B is reflected across the y-axis. Figure C is rotated in the first quadrant. Figure A is rotated in the third quadrant. Which figure represents the image of parallelogram LMNP after a reflection across the line y = x? figure A figure B figure C figure D
Answer:
Figure C
Step-by-step explanation:
Reflection across the line y = x transforms point (x, y) into (y, x)
(3, 1) -> (1, 3)
(4, 1) -> (1, 4)
(4, 3) -> (3, 4)
(5, 3) -> (3, 5)
After rotation, all points remain in the first quadrant. Figure C is rotated in the first quadrant, then it is the correct option.
Because Figure C is rotated in the first quadrant,its represents the image of parallelogram LMNP after a reflection across the line y = x
What is a Parallelogram?A Parallelogram is simply a four-sided quadrilateral with opposite sides parallel to each other.
What figure identifies the image of parallelogram LMNP?Question Parameter(s):
5 parallelograms are shown
LM N P has points (3, 1), (4, 1), (4, 3), and (5, 3).
Generally, the indivudual tranformation is is mathematically given as
Reflection gives (x, y) into (y, x)
(3, 1) -> (1, 3)
(4, 1) -> (1, 4)
(4, 3) -> (3, 4)
(5, 3) -> (3, 5)
In conclusion, Figure C represents the image
Read more about Wave
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on a test, laura completes the expressions shown. 4^3 x 3^5 = 12^8. what mistake did she make and what is the correct expression
An angle is bisected by a segment forming two new angles. ∠ 1 and ∠ 2. Find m ∠DBC if m ∠2 = 27.
Wouldn’t it be still 27? So, like 27 + 27 = DBC?
Answer:
Yes, it will still be 27? So, like 27 + 27 = DBC.
Answer:
54
Step-by-step explanation:
Bisecting means to divide in half
<1 = <2
If <2 = 27 , then <1 = 27
The sum of the angle = 27+27 = 54
If DBC is the original angle, then DBC = 54
Find the mode of the data.
10, 15, 7, 15, 15, 9, 11, 7, 9, 10
Answer:
15
Step-by-step explanation:
mode is the most common number in a set. and in the question most common is 15
A rectangular prism has a length of 2 y, a width of 3 y, and a height of 5 y. If the volume of the prism is 10,290 units, what is the value of y?
Answer:
y=7
Step-by-step explanation:
2x7=14
3x7=21
5x7=35
14x21x35=10,290
Write the equation 0.3x2 + 5x - 7 = 0 in general form and then choose the value of "b."
opinions are :
5
70
50
Answer:
b = 5
Step-by-step explanation:
0.3x^2 + 5x - 7 = 0
ax^2 + bx + c is the general form of a parabola
a = ,3
b = 5
c = -7
Answer:
The answer is 50
Step-by-step explanation:
I just tried 5 and it is incorrect.
Help to answer 2 & 3 Pablo and Jasmine had just started studying systems of linear equations in algebra. They looked at Pedro's drawing and said, "We could write that as a system of equations." Let t be the price of each taco and d be the price of each drink. - Write an equation that represents the cost of Pablo's order. (6T + 2D = 9) - Write an equation that represents the cost of Jasmine's order. (4T + 2D = 7) 2. What operations with the equations from part (1) match your way of using Pedro's sketch to find the prices t and d? 3. Why do the operations make sense?
Answer:
Step-by-step explanation:
The equation for Pablo's order is given as 6T+2D=9 or 6T+2D-9=0
While the equation for Jasmine's order is given as 4T+2D=7 or 4T+2D-7=0
Subtracting Jasmine's equation from Pablo's
6T+2D-9-(4T+2D-7)=0
This gives us
6T+2D-9-4T-2D+7=0
The reduces to
2T-2=0
Dividing all through by 2 gives
T-1=0
Therefore
T=1
Substituting the value for T into any of the equations of either Pablo and Jasmine
Using Pablo's
6T+2D=9
6(1)+2D=9
2D=9-6
2D=3
There D= 3/2
If you want to buy an item in a store that costs $38 and is on sale for 10% off, then how much would the item actually cost you after the discount? Round to the nearest cent.
Need help! What’s the answer to number two??
Answer:
V = 5(12)(7) which is F.
Step-by-step explanation:
V = LWH
L = 12
W = 5
H = 7
12 * 5 * 7
Answer:
if you need to find the area, the answer is 420, I think All in all the answer is F <last one>
Step-by-step explanation:
I think the first thing you do is L x W (12 x 5), which is 60. Then you do 60 x H (60 x 7), and you will get 420.
I am not entirely sure if I got it right.
Find x.
Please help !!
Mia jogs 3 kilometers in 20 minutes. There are about 0.6 miles in a kilometer. What is Mia’s approximate speed in miles per minute?
Step-by-step explanation:
Mia runs about 1.8 miles in 20 minutes. Divide by 20 to see how much she runs in a minute. You would her 0.09 which means she runs 0.09 miles a minute.
Answer:
0.09 miles per min
Step-by-step explanation:
You want the volume of the box to be 9 cubic inches.
Find the rational solution(s) of the equation. Then use polynomial long division to find the other solution(s).
What are the possible side lengths of the box?
Odyssey ware Answer: 9 = 3 x 3 x 3
Step-by-step explanation:
If the volume of the box is 9. The possible side lenths are:
V = L x W x H
9 = 3 x 3 x 3.
What I did was estimated how 9 could be split up into 3 so that it’ll make sense for L x W x H.
Calculate the perimeter of ABCD
Answer:
28.13 cm
Step-by-step explanation:
The first step we need to do is create the segment AC.
Then, we can find its length using the law of cosines in the triangle ABC:
b^2 = a^2 + c^2 - 2*a*c*cos(B)
b^2 = 8^2 + 6^2 - 2*8*6*cos(95)
b^2 = 64 + 36 - 96*(-0.0872)
b^2 = 108.37
b = 10.41 cm
Then, in the triangle ADC, we can use the Pythagoras' theorem to find the length of DC:
DC^2 + DA^2 = AC^2
DC^2 + 25 = 108.37
DC^2 = 83.37
DC = 9.13 cm
So the perimeter of ABCD is:
Perimeter = AB + BC + CD + DA
Perimeter = 6 + 8 + 9.13 + 5 = 28.13 cm
Answer:
The perimeter of the shape is 28.13 cm
Step-by-step explanation:
First of all, we will have to draw a line from point A to point C. This will divide the shape into two parts, both of which are triangles.
We will use the dimensions of the newly formed triangle ABC to get the side AC.
The cosine formula will be apt for this purpose:
[tex]AC^{2}=AB^{2}+BC^{2}-(2 \times AB\times BC\times cos \theta)[/tex]
[tex]AC^{2}=6^{2}+8^{2}-(2 \times 6\times 8\times cos( 95))=108.37[/tex]
[tex]AC=\sqrt{108.37}=10.41 cm[/tex]
Now we have AC as 10.41 cm,
we can see that AC forms the hypothenuse of the right-angled triangle ADC.
From Pythagoras' theorem, DC can be calculated as
[tex]DC =\sqrt{AC^{2}- AD^{2}}[/tex]
[tex]DC =\sqrt{10.41^{2}- 5^{2}}= 9.13 cm[/tex]
Therefore the perimeter of the shape is 8 + 5 + 9.13 + 6 =28.13 cm
The perimeter of the shape is 28.13 cm
Find the value of x in the given figure using properties of parallel lines.
A) 138°
B) 48°
C) Can't be determined.
D) 42°
Answer:
[tex]x = 42[/tex]
Step-by-step explanation:
Given
The diagram above
Required
Find x
When two parallel lines are divided in such a way as it is in the above figure;
x and 138 are said to be supplementary angles
The rule about supplementary angles is that, they add up to 180
In other words,
[tex]x + 138 = 180[/tex]
To solve this, we subtract 138 from both sides
[tex]x + 138 - 138= 180 - 138[/tex]
[tex]x = 180 - 138[/tex]
[tex]x = 42[/tex]
Hence, the value of x when solved using the properties of parallel lines is: [tex]x = 42[/tex]
Which of the following is not a true statement?
a) 4 * -3 = -8 - 4
b) 1/4 * -8 = 7 + -9
c) 3 + -7 =2 * -4
d) 8 / -2 = -10 + 6
Solve each equation to see if the left side equals the right side.
The answer would be C because when solved it becomes -4 = -8 which is false.
Use the discriminant to determine the number of real solutions of the equation.
x^2 = -6x - 10
Answer:
No real solutions.
Step-by-step explanation:
x² + 6x + 10 = 0
a = 1
b = 6
c = 10
D = b² - 4ac = 6² - 4*1*10 = 36 - 40 = - 4
- 4 < 0,
so this equation has no real solutions.
Anyone know this ? Please help :(
Answer:
D
Step-by-step explanation:
Just plug in and check. Plug in the first digit for x and the second digit for f(x)
First, try A. Does 5^0= 5? no so A is wrong
Now try B. Does 5^5=1? no so B is also wrong
Next try C. Does 5^0=0? no so C is wrong.
Finally, try D. Does 5^1=5? Yes so D is correct.
A answer would be greatly appreciated explanation is not needed because I have to turn this in 3 minutes
Answer:
Anwser is C
Step-by-step explanation:
RS looks like PT so just add TQ and thats 3 i guess
You bought a magazine for $5 and four erasers. You spent a total of $25. How much did each eraser cost? Write the equation and solve. plz put the right answer
Answer:
[tex]5\[/tex]
Step-by-step explanation:
Let x be cost of 1 eraser.
[tex]5 +4x=25[/tex]
[tex]4x=20[/tex]
[tex]x=5[/tex]
Answer:
The buyer bought four erasers and a magazine for $25.
The cost of each magazine is $5
The cost of an eraser is x dollars
The cost of 4 erasers is 4x
Step-by-step explanation:
Cost of the Erasers + Cost of the Magazine = Total Cost
4x + $5 = $25
Subtract 5 from both sides to isolate the term with the variable.
4x + 5 -5 = 25 -5
4x = 20
The last thing you do is you divide it by 4 on both sides to isolate the variable.
x = 20/4 = $5
Sidney is eating lunch at a salad bar where you
create your own salad. An 8-ounce salad costs
$2.49. Each additional ounce of salad costs
$0.25. How much does Sidney’s salad cost if it
weighs 1 pound, 8 ounces?
Answer:
$7.47
Step-by-step explanation:
Since a 8-ounce salad cost 2.49
You do 2.49+1 pound times 0.25
1 pound equals to 16 ounces
2.49 + 2.49 + 2.49
Correct. If I am wrong
Answer:
Step-by-step explanation:
the base is 2.49 for eight ozs so you already take off the ozs from 1 pound
since there are 16 ounces in one pound you multiply 16 by .25 and get 4 so you add 2.49 and 4 to get 6.49$ is the answer assuming there is no tax on the food
Which best describes the solution to 4 minus 7?
Answer:
I think the solution to 4-7 is 3
Answer: D
Step-by-step explanation:
find six rational numbers between 9 and 10
Answer:
To find 6 rational numbers between 9 and 10 are
9x7\1x7 10x7\1x7
63\7 70\7
so, 6 rational numbers are:
64\7,65\7,66\7,67\7,68\7and 69\7
The rational numbers that are between 9 and 10 are:
9.1, 9.2, 9.3, 9.5, 9.7, and 9.9.
What is a rational number?A rational number is a number that can be written in the form of p/q where q is not equal to zero.
We have,
There are infinite numbers between 9 and 10.
Rational numbers are recurring and terminating numbers.
Numbers that are rational between 9 and 10 are:
9.1, 9.2, 9.3, 9.5, 9.7, and 9.9
Thus,
The rational numbers between 9 and 10 are
9.1, 9.2, 9.3, 9.5, 9.7, and 9.9
Learn more about rational numbers here:
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