Answer:
a) (8x² + 2x - 5) + (-5x² + x + 3)= 3x²+3x-2
b) (2x² - 3x + 1) - (x³ + 2x² - 4)= -x³-3x+5
Step-by-step explanation:
one last one for day
Answer:
The ball will land after 5.14s.
A square has a triangular hole in it. What is the area of the figure? 100 in2 92.5 in2 85 in2 70 in2
Answer:
how big is the hole ?
Step-by-step explanation:
i think the answer is B tho
pls give brainliest
Answer:
?
Step-by-step explanation:
pls help and explain I will mark you brainliest btw. :)
Step-by-step explanation:
count the number of full boxes
count yhe number of the unfull boxes
then add them together
divide the answer by two
i need help please provide with the correct answer. it is due at 11:59 pm
Look at this triangle.
B
11 cm
4 cm
Work out length AC.
(my teacher told me to start out with c first, c= an something like that I don’t remember)
Step-by-step explanation:
<c =90 °
So, Pythagoras theorem can be used,
Hypotenuse ² = base ² + altitude ²
AB²=AC²+BC²
11²=AC²+4²
11²-4²=AC²
121-16=AC²
Root 105=AC
AC=10.2 cm
The length of AC is 10.25 cm
What is pythagorean theorem ?
If ΔABC is a right angle triangle, then
AB² = BC²+AC²
where AB = Hypotenuse, BC & AC are adjacent sides of the right angle
What is the required length of the side ?Given, hypotenuse = AB = 11 cm
One of adjacent sides = BC = 4 cm
We have to find the length of AC.
Using pythagorean theorem,
AB² = BC²+AC²
⇒ AC² = AB² - BC²
⇒ AC² = 11²-4²
⇒ AC² = 121-16
⇒ AC = √105
⇒ AC = 10.25
So the length of AC = 10.25 cm
Learn more about pythagorean theorem here :
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PLEASE HELP ILL MARK BRAINLIEST
it would be closer to 1 because the target is -2- wide meaning the probality of hitting it is higher
Please help
1. Rafael stands 55 feet from the tower and uses a clinometer to measure the angle of elevation to the
viewing platform as 37º. How far up the tower is the viewing platform?
Answer:
41.4feet
Step-by-step explanation:
Using the SOH CAH TOA identity
Given the following
Distance of Rafael from the tower = 55feet = Adjacent
Angle of elevation = 37degrees
Required
Height of the tower = Opposite
Since Tan theta = opp/adj
Tan 37 = x/55
x = 55tan37
x = 55(0.7536)
x = 41.4
Hence the tower is 41.4feet up the viewing platform
Please help me!
[One Step Inequalities]
Answer:
C
Step-by-step explanation:
Divide each side by 5
What is the percent decrease from 95 to 19?
Answer:
-80 percent
Step-by-step explanation:
Answer:
80%
Step-by-step explanation:
19/95=0.20
100%-20%=80%
80%*95=76
95-76=19
Is this right please help me Is this right please help me
what is 20 precent of 25
Answer:
20 percent *25 = x( 20:100)*25 = x( 20*25):100 = x500:100 = x5 = x
hence , 20 percent of 25 is 5 .
If the original square is 3 in by 7 in, but then you enlarge the square to 6 in by 14 in, what percent of the smaller original square's area is the larger square's area?
Answer:
Step-by-step explanation:
100(14(6))/(3(7))
100(84/21)
100(4)
400%
pls help asap thx alot
Answer:
35
Step-by-step explanation:
A triangle has a total of 180 degrees. To find the missing angle, we subtract 113 and 32 from 180 to get the answer.
Answer:
h = 35
Step-by-step explanation:
113 + 32 + h = 180
113 + 32 = 145
180 - 145 = 35
so
h = 35
remember me? Imao
A truck traveled 144 miles on 12 gallons of diesel fuel. At
this rate how much fuel will the truck use to go 720 miles?
Answer:
60 gallons
Step-by-step explanation:
144/12 = 12 mi/gal
720/12 = 60
Please help if possible!!
Answer:
I think 12 is B yh I hope so
Answer:
11. a
Step-by-step explanation:
-2x + 5( 3 + 2x )
-2x + 15 + 10x
8x + 15
Order these angels from least to greatest
13 and 14
The solution is
a) Angle N < Angle R < Angle Q
b) Angle G < Angle H < Angle J
What is a Triangle?
A triangle is a plane figure or polygon with three sides and three angles.
A Triangle has three vertices and the sum of the interior angles add up to 180°
Let the Triangle be ΔABC , such that
∠A + ∠B + ∠C = 180°
The area of the triangle = ( 1/2 ) x Length x Base
For a right angle triangle
From the Pythagoras Theorem , The hypotenuse² = base² + height²
Given data ,
a)
Let the first triangle be ΔNQR
QR = 17 m
NQ = 21 m
NR = 24 m
Now , the angle opposite to the side having the largest length will be the largest angle
And , the angle opposite to the side having the smallest length will be the smallest angle
So , substituting the values in the equation , we get
Angle opposite to QR = Angle N
Angle N is the smallest angle in ΔNQR
And , Angle opposite to NR = Angle Q
Angle Q is the largest angle in ΔNQR
Therefore , Angle N < Angle R < Angle Q
b)
Let the second triangle be ΔGHJ
HJ = 6 in
GJ = 7 in
GH = 10 in
Now , the angle opposite to the side having the largest length will be the largest angle
And , the angle opposite to the side having the smallest length will be the smallest angle
So , substituting the values in the equation , we get
Angle opposite to HJ = Angle G
Angle G is the smallest angle
Angle opposite to GH = Angle J
Angle J is the largest angle
Therefore , Angle G < Angle H < Angle J
Hence , the angles are in the order
a) Angle N < Angle R < Angle Q
b) Angle G < Angle H < Angle J
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PLEASE HELP AND SHOW YOUR WORK I WILL MARK YOU BRAINLIESt
Step-by-step explanation:
if 9 boxes is 42.75 then 1 box is 4.75 dollars
so 13 boxes would be 13X3.75 which is 61.75$
if 9b=$42.75
1b=x
9bx=$42.75b
x=$42.75b÷9b
x=$4.75
In ratio a:b, the first term a is called
O antecedent
O extreme
O consequent
mean
Pls someone help me
PLS HELP ME PLSSSSSSS
Answer:
3/10
Step-by-step explanation:
Brainliest is much appriciated
Answer:
3/10 i believe, if it is right
Step-by-step explanation:
letter=number
14.6=e-3.2
Answer: e = 17.8
Step-by-step explanation: 14.6 + 3.2
If £2000 is placed into a bank account that pays 3% compound interest per yea
how much will be in the account after 2 years?
Answer:
$2120
Step-by-step explanation:
method:
3% x $2000 = 60
100%
$60 per year = $120 per year
Ans: $2120 will be in the account
answer, please. I need help.
Answer:
Step-by-step explanation:
[tex]\text{rule }(x^a)(x^b)=x^{(a+b)}\\ \\ (b^{-7})(b^3)=b^{(-7+3)}\\ \\ b^{-4}=\frac{1}{b^4}[/tex]
Answer:
1/ b^4
Step-by-step explanation:
because -7 +3 = -4 but it can only be positive. So you but the -4 to the bottom to become b^4
The perimeter of a square is 64mm. Write and solve an equation to determine the length of each side of the square.
Answer:
8mm
Step-by-step explanation:
I need help ASAP plsss
Answer:
dude that's easy 1,36 2,18 3,12 ,4,9 6,6
Step-by-step explanation:
Answer:
A., B., E., F., G.
Step-by-step explanation:
Hope this helped! Have a nice day!
Nicholas spent 40% of his savings to pay for a video game that cost him $40. How much money was in his savings to begin with?
Answer:
nah and yall kids stop looking on here to cheat ronnie wilson
Step-by-step explanation:
Which of these is a point- slope equation of the line that is perpendicular to y - 25 = 2(x - 10) and passes through (-3,7)
Answer:
2y=-x+11
Step-by-step explanation:
use the formation that m1m2=-1of which y=mx+cm1=2,m2=-1/2solve by using m2on the line passing through -3,7which it will 2y=-x+11Jennifer is rewriting a polynomial by combining like terms. Which terms does she need to combine to finish rewriting the polynomial?
Answer:
B and D
I hope it helps.
Answer: -7c^2d^2
C^2d^2
Step-by-step explanation:
Simplify 4х+ 2-
+8-12
О
3х - 2
3х + 4
о
5х – 4
5х + 4
Can someone please help!!! I really need the answer
Answer:
3x - 2
Step-by-step explanation:
[tex]4x + 2 - \frac{ {x}^{2} + x - 12}{x - 3} \\ \\ = 4x + 2 - \frac{ {x}^{2} + 4x - 3x- 12}{x - 3} \\ \\ = 4x + 2 - \frac{ {x}(x + 4) - 3(x + 4)}{x - 3} \\ \\ = 4x + 2 - \frac{ (x + 4) \cancel{(x- 3)}}{\cancel{(x- 3)}} \\ \\ = 4x + 2 - (x + 4) \\ \\ = 4x + 2 - x - 4 \\ \\ = 4x - x + 2 - 4 \\ \\ = 3x - 2[/tex]
Which of the ratios below is equivalent to 8:5?
Answer:
Nobody can answer this question if you don't tell us what are the ratios that are 'below'. We have no answers to choose from...
Simplify the following : x^2y^-3 / x^5y^2
Answer:
Step-by-step explanation:
[tex]\frac{a^{m}}{a^{n}}=a^{m-n}\\\\a^{-m}=\frac{1}{a^{m}}\\\\\\\frac{x^{2}y^{-3}}{x^{5}y^{2}}=x^{(2-5)}*y^{(-3-2)}\\\\ = x^{-3}*y^{-5}\\\\=\frac{1}{x^{3}y^{5}}[/tex]
Remember that exponents (or powers) of the same basis can be divided by subtracting the exponents. For example [tex]\frac{x^n}{x^m} =x^{n-m}[/tex]
Using this information, we can easily rearrange our equation to look like this:
[tex]\frac{x^2}{x^5} \frac{y^{-3}}{y^2}[/tex]
Now that the basis are the same, we can conveniently subtract the exponents to get the following result:
[tex]x^{-3}y^{-5}[/tex] or [tex]\frac{1}{x^3y^5}[/tex]. And that's the final answer.