Answer:
-4(3v - 10)(3v + 10)
Step-by-step explanation:
You must find the factored form of 400 - 36v^2.
You can rearrange this to - 36v^2 + 400 to make it less confusing.
So you have - 36v^2 + 400.
The next step is to see what you can take out of this. You can take out a GCF, a greatest common factor. This is basically a number that goes into both 36 and 400. This number is 4.
36 / 4 = 9 and 400 / 4 = 100.
Since it is a negative 36, you need to take out a negative 4.
So you put a 4 outside parenthesis and divide - 36 / 4 and 400 / 4.
-4(9v^2 - 100).
Now you must factor the inside of the parenthesis.
9v^2 - 100.
This is the same as 9v^2 + 0v - 100.
What are 2 numbers that multiply to get -100 and add to get 0?
These numbers are -10 and +10.
2 terms that multiply together get 9v^2 are 3v and 3v.
So the answer is:
-4(3v - 10)(3v + 10).
This is the factored form.
URGENT BRAINLIEST HELPPP
Answer:
242 ft²
Step-by-step explanation:
8X18=144
7X14=98
144+98=242
eighteen divided by the sum of two and seven
Numerical expression.
Answer:
D
Step-by-step explanation:
Solve the system 2x + 3y = 6 2x - 5y = 22
Answer:
In point form (6,-2) and Equation form: x = 6, y= -2
Step-by-step explanation:
Which system of inequalities has no solution?
Answer:
i think c
Step-by-step explanation:
help me with this multiple choice !
Answer:
60 30 special triangle
answer is b
Answer:
B
Step-by-step explanation:
the reciprocal of 7/11 is
Answer:
11/7, you just turn or flip the fraction.
Step-by-step explanation:
Hope you are having a good day !!
I don't know if I can help much since i'm only in 7th grades as of Feb 2021, but if you are in my grade or lower I could probably help ! <3
Answer:
ok
Step-by-step explanation:
8 times the difference of u and 10
Answer: 8(u - 10)
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
10-8=2
8*2=16
There are 12 pieces of fruit in a bowl and 3 of them are apples. What percentage of the pieces of fruit in the bowl are apples?
Answer:
25%
Step-by-step explanation:
3/12 = 1/4 = 0.25 = 25%
can someone do this for me please
Step-by-step explanation:
3:5
B,D
7:8
E,F
5:9
b,H
4:1
c,g
18x - 7y=1
X - 7y=-33
Answer:
18x=7y+1
18x-1=7y
x+33=7y
18x-1=x+33
17x=34
x=2
y=5
Step-by-step explanation:
It is important for engineers design and building so understanding the relationship between the height and volume of the building. A taller building if not billed correctly is more likely to collapse, because a small increase in height leads to a large increase in volume. an engineer builds to build a models of different sizes in the shape of square blocks . the smaller building has a height of 1m, and volume of 1m^3. The volume of the larger building is 125m^3. The height of the building, represented by X, is equal to the cube root of the buildings volume. The equation below can be used to find X, in meters. X^3=volume determine how much taller, in meters, the height of the larger building is then the smaller building.Mm
Answer:
Larger building is 4 meters taller than smaller building.
Step-by-step explanation:
Formula to get the height 'x' of a building having volume = x³ is,
x = [tex]\sqrt[3]{\text{Volume of the building}}[/tex]
Height of the smaller building,
[tex]x_1=\sqrt[3]{1}[/tex]
[tex]x_1=1[/tex]
Similarly, height of the larger building = [tex]\sqrt[3]{125}[/tex]
= [tex]\sqrt[3]{5^3}[/tex]
= 5 meters
Difference in the heights of the buildings = 5 - 1
= 4 meters
Therefore, difference is the height of larger and smaller building is 4 meters.
What is the slope of y=-4
Answer:
0
Step-by-step explanation:
The slope would be 0 because the y value is not increasing.
Answer:
the slope is 0
Step-by-step explanation:
Pls Help!! I'll Give BRANLISTT DUE SOOn
Answer:
whats the question? ill answer in comments
Step-by-step explanation:
Does anyone know the greater common factor of 40
Answer:
20
Step-by-step explanation:
Answer: The greater common factor is 20
Step-by-step explanation:
Hope this helps!
Is (1, 10) a solution to this system of inequalities?
y < x + 10
y < 8x + 7
Brian's monthly gross income is $2,950. He pays 22% of his monthly gross
earnings in federal and state taxes and spends 10% of that monthly income to
pay off his credit card debt. Brian is also paying off a loan his parents gave him
for a new car by sending them 8% of his income per month. Brian found an
apartment near his work that rents for $1,300 per month. Will he be able to make
the payments without changing the amounts he pays towards his loan and credit
card debt?
Answer:
Yes
Step-by-step explanation:
I = 2950
T = 22% x 2950 = 649
CC = 10% x 2950 = 295
NC = 8% x 2950 = 256
R = 1300
I - (T + CC + NC + R) > 0
2950 - ( 649+ 295 + 256 + 1300) > 0
2950 - 2500 >= 0
450 > 0
If h(x) = 3x + 4, what is h(2x - 3)?
Answer:
6x-5
Step-by-step explanation:
3(2x-3)+4
6x-9+4
6x-5
Answer is 6x-5
Pls help me no one explanation I will mark tysmmm
Answer:
1/4
Step-by-step explanation:
It's going 1 up and 4 across
Daniel expanded the expression as shown.
-2(-8x-4y+3/4)=10x-8y-1 1/4
Answer:
-2(-8x-4y+3/4)= 16x + 8y - [tex]\frac{11}{2}[/tex]
Step-by-step explanation:
Step1:
Multiply the parenteses by -2
= -2 × (-8x) -2 × (-4y) -2 × [tex]\frac{11}{4}[/tex]
Step2:
Calculate and reduce
= 16x + 8y - [tex]\frac{11}{2}[/tex]
Answer:
The right answer is
Step-by-step explanation:
Click To Open!
I'm just try to make yall happy with no answer lol have a good day
4. If A = (-4, -5) and B = (-1, -10), what is the length of segment AB? Round your answer to the nearest hundredth.
Answer:
5.83095 or √34
Step-by-step explanation:
Find the difference between coordinates:
(x2-x1) = (-1 - -4) = 3
(y2-y1) = (-10 - -5) = -5
Square the results and sum them up:
(3)2 + (-5)2 = 9 + 25 = 34
Now Find the square root and that's your result:
Exact solution: √34 = √34
Approximate solution: 5.831
What are the factor pairs of 81.
Answer:
9 × -9 = 81, (-9, -9) is a pair factor of 81.
Step-by-step explanation:
Alfred has 10 more tokens than Clarissa. Clarissa has twice as many tokens as Benji. They have 85 tokens altogether. How many tokens does each person have.
Answer:
Alfred has 40 tokens
Clarissa has 30 tokens
Benji has 15 tokens
Step-by-step explanation:
Let's give each person a variable:
A for Alfred
C for Clarissa
B for Benji
Now, we can take what the question is saying and convert them into equations:
Alfred has 10 more tokens than Clarissa can look like this:
A = C + 10
Since Alfred has 10 more coins than Clarissa we can take C and add 10 to find how many tokens Alfred has.
Clarissa has twice as many tokens as Benji looks like this:
C = 2B
Since Clarissa has twice as many tokens as Benji we can multiply B (how many tokens Benji has) by 2.
Lastly, they have 85 tokens all together:
A + B + C = 85
We have these 3 equations:
A = C + 10
C = 2B
A + B + C = 85
Now, we can substitute some variables:
A = (2B) + 10 Since C is equal to 2B we can substitute 2B in for C in the first equation.
We have found what A equals, we can plug that in to the last equation:
(2B) + 10 + B + C = 85
We can also substitute the second equation into the third equation:
(2B) + 10 + B + 2B = 85
Combine like terms:
5B + 10 = 85
Solve
5B = 75
B = 15
This means that Benji has 15 tokens. Now we can find how much the other children have:
C = 2(15) = 30
Clarissa has 30 tokens
A = 30 + 10
A = 40
Alfred has 40 tokens.
Answer:
Alfred has 40 tokens
Clarissa has 30 tokens
Benji has 15 tokens
Checking the Answer
A + B + C = 85
40 + 15 + 30 = 85
85 = 85
I hope this helps!!
- Kay :)
brainliest if correct ill do giveaway if you give correct answer
Hailey had 29 DVDs. She went to the store and bought more. Now she has 33 DVDs. How many DVDs did she buy?
A.3 DVDs
B.4 DVDs
C.33 DVDs
D. 62DVDs
Answer:
option B 4 DVDs
Step-by-step explanation:
she bought 4 DVDs.
plz mark my answer as brainlist plzzzz. hope this will be helpful to you.
-7x2+1 need help plz
Answer:
-7 × 2 + 1 =
-13
Step-by-step explanation: I hope it helps.
13
Find the scale factor
Suppose someone gives you 6 to 1 odds that you cannot roll two even numbers with the roll of two fair dice. This means you win 6 dollars if you succeed and lose 1 dollar if you fail. What is the expected value of this game to you. What can you expect if you play 200 times
Answer:
0.75 ;
150
Step-by-step explanation:
Probability of rolling two even numbers :
{1, 2, 3, 4, 5, 6}
P(even) = 3 / 6 = 1/2
From a roll of 2 dice :
P(even) * P(even) = 1/2 * 1/2 = 1/4 = 0.25
P(not even) = 1 - 1/4 = 3/4
X : ____ 6 _______ - 1
P(x) ____ 0.25 ____ 0.75
Expected value :
Σx*p(x) = (6*0.25) + (-1 * 0.75)
= 1.50 - 0.75
= 0.75
If 200 games are played :, n = 200
Expected value * n
0.75 * 200
= 150
Find x, y and z
help i don’t know what to do, it’s the last question
Answer:
y=3
(bc it is the same length as its perpendicular counterpart.
x= 9 (same with Z)
(From pythagorean theorem)
6^2+3^2= (root of) 45
and square root 45
and it is the same as its counterpart (which is z)
Step-by-step explanation:
as I explained on the answer(it doesnt let this part be unwritten)
How many triangles, if any, can be drawn with side lengths of 4 cm, 7 cm, and 15 cm?
Answer:
none
Step-by-step explanation:
the two shortest lengths combined have to be longer than the longest length
4+7=11
11<15
the 4 cm side and the 7 cm side wouldn't touch
Raymond's bake shop sold 26 1/2 cupcakes on Saturday on Friday the bake shop sold 19 3/4 dozen cupcakes what is the approximate percent increase in cupcake sales from Friday to Saturday
Answer: 34.18%
Step-by-step explanation:
Given: On Saturday, Number of cupcakes sold = [tex]26\dfrac12[/tex] dozens
= [tex]\dfrac{53}{2}[/tex] dozens
[tex]=\dfrac{53}{2}\times12[/tex] [ 1 dozen = 12 items]
[tex]=53\times6\\\\=318[/tex]
On Friday, Number of cupcakes sold = [tex]19\dfrac34[/tex] dozens
= [tex]\dfrac{79}{4}[/tex] dozens
[tex]=\dfrac{79}{4}\times12[/tex] [ 1 dozen = 12 items]
[tex]=79\times3\\\\=237[/tex]
Increase in cupcakes = 318-237=81
Percent increase in cupcakes sales from Friday to Saturday = [tex]\dfrac{81}{237}\times100[/tex]
= 34.18% (approx)
The approximate percent increase in cupcake sales from Friday to Saturday = 34.18%