Answer:
20m-8n
Step-by-step explanation:
0.4*50m=20m
20+_
0.4*-20n=-8n
20m+-8n
20m-8n
What is bigger 3/5 or .41
Step-by-step explanation:
3/5 is the correct answer to this
Step-by-step explanation:
.41 is biggee than 3/5......
Help me plzzzzzzzzzzzzzzzzzz.
Answer:
D : 10ab√2a+20a√2a
Step-by-step explanation:
Find the domain of f(x)= x/x-9
Answer:
Step-by-step explanation:
The domain, the possible values of x, is only limited in this function when the function is undefined. Specifically division by zero is undefined. In this case x cannot be equal to 9 because that would lead to division by zero. And that is the only restriction. So the domain is all real numbers except 9. In interval notation this is
x=(-oo, 9),(9, +oo)
Find the error then show the correct way step by step.
Question 4
The error was that in step 2, when distributing -3 into the parentheses, the person did not change the sign of 24 so that it was negative, since a negative number multiplied by a positive number will always make a negative number. Here is the correct way to solve this equation:
[tex]-5x+12-7x=-3(5x+8)\\-12x+12=-3(5x+8)[/tex]
Distrubute -3 into the parentheses
[tex]-12x+12=-15x-24[/tex]
Subtract both sides by 12
[tex]-12x+12-12=-15x-24-12\\-12=-15x-36[/tex]
Add 15x to both sides
[tex]-12+15x=-15x-36+15x\\3x=-36[/tex]
Divide both sides by 3
[tex]\frac{3x}{3} =\frac{-36}{3} \\x=-12[/tex]
Question 5
The error was that 2 was added on both sides in step 5 instead of being subtracted from both sides. Here is the correct way to do it, starting from step 4:
[tex]10=16x+2[/tex]
Subtract both sides by 2
[tex]10-2=16x+2-2\\8=16x[/tex]
Divide both sides by 16
[tex]\frac{8}{16} =\frac{16x}{16} \\\frac{1}{2}=x[/tex]
I hope this helps!
I need help with 1 - 4 please someone
Answer:
-3
Step-by-step explanation:
Plzz help me!i am timed! Plzz
Find the area of the following figure.
18in +21in + 17in + 9in =
A. 555 in2
B. 531 in2
C. 612 in2
B. 540 in2
Answer:
The answer is B- 531^2
Step-by-step explanation:
l m f a o
your
pfp
The solution is, the area of the following figure is 360 in^2.
What is area ?Area is the measure of a region's size on a surface. The area of a plane region or plane area refers to the area of a shape or planar lamina, while surface area refers to the area of an open surface or the boundary of a three-dimensional object.
here, we have,
For this case we have that by definition, the area of a rectangle is given by:
A = l*w
In this case, the rectangle is 18 in side, & 21 in.
then:
A = 18*21
= 378
On the other hand, the area of a triangle is given by:
A = 1/2 b * h
Where:
b: It is the base of the triangle
h: It is the height
We have according to the figure that:
b = 21 - 17 = 4
h = 18 - 9 = 9
So:
A = 1/2 *4 *9
=18
Finally, the area of the figure is:
378 - 18
=360
Answer: The solution is, the area of the following figure is 360 in^2.
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The figure below shows a window that is made from a part of a square and a part of a circle,
A. What is the perimeter of this figure, to the nearest unit?
B. What is the area of this figure, to the nearest square unit
Answer:
a. perimeter is 112
b. area is 784
1-7 blanks it’s due at 12 am plz help!
If a person walks 16 miles in 10 minutes, how far will that person walk in one hour?
Answer:
too far to be human
Step-by-step explanation:
in 10 mins i walk 1 mile
Answer:
96 miles
Step-by-step explanation:
There are 60 minutes in 1hr so 10*6= 60
16*6= 96
:)
What is the factored form of y^2 + xy − 6x^2?
Answer:
(y-2x)(3x+y)
B
Answer:
[tex]B. \left(y-2x\right)\left(y+3x\right)[/tex]
Step-by-step explanation:
[tex]y^2+xy-6x^2[/tex]
Break the expression into group:
[tex](yx^{2} -2xy)(3xy-6x^{2} )[/tex]
factor out [tex]y[/tex] from [tex]y^{2} -2yx:y\left(y-2x\right)[/tex], and factor out, [tex]3x[/tex] from [tex]3yx-6x^2:3x\left(y-2x\right)[/tex]
[tex]y\left(y-2x\right)+3x\left(y-2x\right)[/tex]
Now, factor out common terms: [tex]y-2x[/tex]
[tex]\left(y-2x\right)\left(y+3x\right)[/tex]
_________________
OAmalOHopeO
A playground is shown below. What is the area of the playground?
Answer:
217
Step-by-step explanation:
You would do the area of the big rectangle and subtract the areas of the two triangles. The triangles add up to 63 and the rectangle is 280 ft^2
There are a total of 120 counters in a box.
There are only red counters and blue counters in the box.
There are three times as many red counters as blue counters in the box.
Carl takes
1
of the red counters from the box.
3
Kerry takes 80% of the blue counters from the box.
Work out the ratio of the number of red counters to the number of blue counters now in the
box.
Give your ratio in its simplest form.
Answer:
The ratio of red to blue would be 60: 6 which can be simplified to 10:1.
The ratio of red to blue counters would be 60: 6 which can be simplified to 10:1
What is ratio ?Ratio is the comparison of two quantities in terms of same units.
Example : If a & b be two numbers, then the ratio is a/b, where b≠0
What is the required ratio ?Let Blue counters = x
Red counters would be = 3 times of blue counters = 3x
There are a total of 120 counters in a box.
First we have to find, the number of red and the number of blue counters:
3x + x = 120
⇒ 4x = 120
⇒ x = 120/4
⇒ x = 30
There are 30 blue counters.
Red counters = 3×30 = 90
Carl took 1/3 of the red, 90 / 3 = 30, so there were 60 red counters left in the box.
Kerry took 80% of the blue, 30 * 0.80 = 24, so there were 6 blue counters left in the box.
The ratio of red to blue counters would be 60: 6 which can be simplified to 10:1.
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Hailey's car used 4 gallons to travel 172 miles. At what rate does the car use gas, in miles per gallon?
Answer:
43
Step-by-step explanation:
43 miles for every 1 gallon of gas
Solve for z:
-0.25z = -1.25
Answer:
z = 5
Step-by-step explanation:
divide both sides of the equation by -0.25
[tex]-0.25z = -1.25[/tex], original equation
[tex]\frac{-0.25z}{-0.25} =\frac{-1.25}{-0.25}[/tex], divide both sides by -0.25, solve for -1.25 ÷ -0.25 = 5
[tex]z = 5[/tex], final answer
PLEASE HELP IM GONNA FAIL IF I DONT DO GOOD ON THIS MATH TEST PLZ PLZ HELP
Answer:
D
Step-by-step explanation:
Answer: D
The first option is incorrect because 56+angle 3=180 and when you solve it angle 3 equals 124 degrees, not 142 degrees
The second option is incorrect because 56+43+angle 1=180 (because all triangles add up to 180 degrees). When you solve that angle 1 equals 81 degrees, not 99 degrees
The third option is incorrect because angle 1+angle 2=180, and we already know angle 1 equals 81, so when you solve that angle 2 equals 99 degrees, not 137 degrees. So we know the last option is correct.
But if you want to make sure it's correct, you can always solve for angle 4. Angle 4+43=180 degrees, and when you solve it, angle 4 equals 137 degrees, and we know that option is correct.
Hope this helped you!
Find the slope of the line that passes through (9, 6) and (6, 2).
Answer:
4/3 not sure
i hope its hepls
Answer:
y2 - y1/ x2 - x1
6 - 6/2 - 6 = 0/-4 = 0
Step-by-step explanation:
What is the difference of the polynomials:
(3x2 + 4x + 8) - (2x2 + 2x + 5)
a x^2 + 2x + 3
b x^2 + 6x + 3
c x^4 + 2x^2 + 3
d x^4 + 6x^2 + 13
Answer:
(6+4x+8)-4-2x-5
6-4+4x-2x+8-5
2+2x+3.
Carlson's wheelbarrow can hold 460 pounds. if he has 187 pounds of rocks in the wheelbarrow, what number of pounds, p, can he put in the wheelbarrow without going over the weight limit?
PLEASE HELP ME!!!.
Step-by-step explanation:
i think you just have to subtract 460-187 equals 273 so he can put 273 or something lower then that
The probability of an event is 0.26. Describe the likelihood of the event.
Answer:
Not likely
Step-by-step explanation:
0.0 -- 0.32 = Not likely
0.33 -- 0.66 = Neither likely or unlikely
0.67 -- 1.0 = Likely
Hope this helps. Have a nice day.
Answer:26% {not likely}
Step-by-step explanation:
0.26 move the decimal over 2 times = 26%
40 and less let it rest 50 and more raise the score.
Fill in the table and graph the points 1 Fill in the table for the equation: y = 3x + 2
x y
0 ?
1 ?
2 ?
2. Graph the points.
Help ASAP
Michelle cycles for 3 hours at an average speed of 27 km/h.
How many kilometres does Michelle cycle?
Please include working out of how to do this
Answer:
81
Step-by-step explanation:
thus it said 27 km/hr, she travel 27 km every hour so 27*3=81
Write these equations of the line in point-slope form given the slope
#1 5 and (13, -8).
#2 2/5 and (6, -7
Answer: #1) y=5x-73
#2) y= 2/5x - 47/5
Step-by-step explanation:
2 people are evenly sharing 15 milliliters of perfume. How much perfume should each person get? ( as a fraction/mixed number)
The following set of numbers
has a mean of 38.8.
What would be the mean if 29
was added to the list?
75, 21, 45, 39, 14
Answer:
37.17
Step-by-step explanation:
Find the mean by adding together all of the numbers, then dividing it by how many numbers there are.
(29 + 75 + 21 + 45 + 39 + 14) / 6
= 37.17
So, if 29 is added, the mean is approximately 37.17
Answer:
37.17
Step-by-step explanation:
Hope this helps
A rectangle has a base of 2 feet and a height of 14 feet. What is its area?
Answer:
28 feet.
Step-by-step explanation:
Area = l × w
= 2 × 14
= 28 feet^2
Question 10 of 10
In a certain plant, yellow leaves are dominant (Y) and red leaves are recessive
(V). A plant with genotype Yy and a plant with YY are crossed. If they have
four offspring, how many would you predict would have red leaves? (Hint:
Draw a Punnett square to help you determine the answer.)
A. O
B. 3
C. 1
D. 2
SUBMIT
well in a brief explanation you need at least two (2) recessive (y) to make one red plant which there is not any so the two dominant plant will come out successfully as a dominant (Y) and there will also be yellow leaves with the one recessive
Here, the yellow leaves are dominant and red leaves are recessive. Then, if they have four offspring, they will not have offspring with red leaves. Hence, option A , zero is correct.
What is a dominant genotype ?In genetics, a dominant genotype is a genetic trait that is expressed when an individual has one or two copies of the dominant allele.
Here, since yellow leaves (Y) are dominant over red leaves (v), a plant with the genotype Yy will have yellow leaves.
When a plant with the genotype Yy (one dominant Y allele and one recessive v allele) is crossed with a plant with the genotype YY (two dominant Y alleles), the possible gametes from each parent are:
Yy plant: Y gamete or v gamete
YY plant: Y gamete
The possible offspring genotypes and their corresponding phenotypes can be determined using a Punnett square
| Y | Y
Y | YY| YY
y | Yy| Yy
As shown in the Punnett square, all of the offspring will have the genotype Yy and therefore have yellow leaves. None of the offspring will have the genotype vv required to produce red leaves.
Therefore, the answer is 0 (none of the offspring would have red leaves), Hence, option A is correct.
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De que numero es 49 un medio de. un tercio mas?
Answer:
49 entre 3=16.33
la mitad de 49=24.5
Step-by-step explanation:
Please lmk I need help
Answer:
x > 7
Step-by-step explanation:
(Make sure to check with someone else to see if this is right)
Since she already spent $25 we can just subtract
60 - 25 = $35
So since she only has 35 dollars then she can only buy so many shirts, to find out how many you have to
35 / 5 = 7
So the inequality would be..
x > 7 pairs of shirts
Explain how to write the story.
Answer:
?
Step-by-step explanation: