Answer: FOIL method
1. (a + b)(a + b) =
= a² + ab + b² + ab
= a² + 2ab + b²
2. (3a-2b) (3a - 2b) =
= 9a² - 6ab - 6ab + 4b²
= 9a² -12ab + 4b²
3. (x - 4y)(-3x - 2y) =
= -3x² -2xy +12xy +8y²
= -3x² + 10xy + 8y²
4.(-y-2z)(y-2z) =
= -y² + 2yz -2yz + 4z²
= -y² + 4z²
Step-by-step explanation:
heart and star pls <3 brainliest will be appreciated <3(っ◔◡◔)っ -{ elyna s }-HELLLLLLLPPPP PLZZZZZZZZZZZZ THIS IS A TEST
Answer:
76%= Decimal: 0.76 and proportion 76%
Step-by-step explanation:
Answer:
Decimal=0.76 proportion=76%
Step-by-step explanation:
19/25 let's find the decimal first
long division:
25|19
25 goes into 1, 0 times so;
0
25|19
-0
19
25 goes into 19 0 times so;
00.
25|19.0
-0
19
-0
190
25 goes into 190 7 times so;
00.7
25|19.00
-0
19
-0
190
-175
150
25 goes into 150 6 times so;
00.76
25|19.00
-0
19
-0
190
-175
150
-150
0
now 19/25 as a proportion;
19........x
---- = ------
25.....100
25*4=100 so 19*4=x
19*4=76 so x = 76
and 76/100=76%
In a class library, 3 out of 4 books are non-fiction. The rest are fiction.
How many non-fiction books could there be? How many fiction?
HELPPPPPP (WORTH 20 POINTS)
Can someone help me with this. Will Mark brainliest.
Answer: True!
Step-by-step explanation: Rhombuses are like squares with an 4 equivalent sides!
hope this helped have a nice day ! :)
whats an equation that uses all numbers 1-10
Answer:
linear equations
Step-by-step explanation:
linear inequalities
Answer:
natural numbers.ok
hope this helps you ☺️☺️
lcm of 4,3,6
Pls tell
Answer:
12
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
Which mixed number represents point D?
A)3 1/10
B)2 9/10
C)2 10/10
D) 3 2/10
Answer:
1/10
Step-by-step explanation:
Ami andieiwiiwkwkwkskkskskskskskw
Answer:
The only true statement is C
Step-by-step explanation:
The area of Amy's garden is 176 in²
The area of Burts garden is 324 in²
Therefore the only true statement is C.
Please help with this
Answer:
A= 347.65 B= 43.5
Step-by-step explanation:
A : 347.65
B : 43.5
244.5
+ 1 0 1. 1 5
= 347.65
68.2
- 24.7
= 43.5
Please help!! There are 700 seventh graders going on a field trip. There are 12 buses filled with students & 28 students riding with their parents. Create an equation using given information. No links please!
Answer:
the equation is 12x + 28x = 700
I need help with this! Which one is it?
Answer:
82 degrees
let the point where the lines cross be E
ABD angle is 108 / 2 = 54 degrees
CAB angle is 56 / 2 = 28 degrees
the missing angle in ABE triangle is 180-54-28=98 degrees. angle x is 180 - 98 = 82
Help me out please and thank youuuu!!
Answer:
a) 9/10 or 90%
b)2/3 or 67%
Write the number 0.000037 in scientific notation
Answer:
3.7 x 10^-5
Step-by-step explanation:
What is an equation of the line that passes through the points (7, 4) and ( -5, 4)?
Answer:
y = 4
Step-by-step explanation:
To find the slope, you plug the coordinates into the slope formula.
y2 - y1/ x2 - x1
= 4 - 4/ -5 - 7
= 0
The slope is 0.
To find the y-intercept, y = 0x + b
4 = 0(7) + b
4 = 0 + b
4 = b
The equation is y = 4
Please I really need someone to help
Answer:
Step-by-step explanation:
so a rhombus is two triangles put together, the area of a triangle is 1/2 b*h and since we've got two it's 2 ( 1/2 b * h ) so then it' just b * h
will be the area of the rhombus.
the base is WY = 24 the height is 1/2 XZ = 30 so 15
24*15 = 360
Plzzzz help!!!!!!!!!! ASAP
Can someone help me with this ASAP quickly please.
WILL REPORT IF YOU PUT A LINK
Gina bought three packets of crisps. She received $1.40 change from $5.00.
What is the cost of each packet?
Answer:
Each packet cost $1.20
Step-by-step explanation:
$5 - $1.40 = $3.60
Divide $3.60 by 3 and you get $1.20.
What is the area of this trapezoid?
Enter your answer in the box.
Answer:
88
Step-by-step explanation:
Answer:
88 units^2
Step-by-step explanation:
Solve for t in the expression 16/t when t = 4.
please help!!
Answer:
x=16/t
t=4 so
16/4 = 4
4 is your answer.
Find the value of x.
Answer:
x = 45
Step-by-step explanation:
All triangles add up to 180°
x + 75 + 60 = 180
x + 135 = 180
x = 180 - 135
x = 45
Priya is simplifying the expression $$ Her work is shown to the left. Priya's work is incorrect. Explain the error she made
Step-by-step explanation:
P.S - The exact question is -
Given - Priya is simplifying the expression -2(4 - 2x) - 3 - 2x Her work is shown to the left.
To find - Priya's work is incorrect. Explain the error she made.
Proof -
Priya simplified the problem as follows :
-2( 4 - 2x ) - 3 - 2x
-8 - 2x - 3 - 2x
-11 - 4x
But the simplification has to be like
-2( 4 - 2x ) - 3 - 2x
⇒-2(4) - 2(-2x) - 3 - 2x
⇒-8 + 4x - 3 - 2x
⇒-8 - 3 + 4x - 2x
⇒-11 + 2x
So, Priya made an error in the second line.
In the second line it has to be -8 + 4x - 3 - 2x but Priya has written -8 - 2x - 3 - 2x.
pls help I can't get it
Answer:
30
Step-by-step explanation:
Solve for the hypotenuse for the bottom triangle (a^2+ b^2=c^2). You should get 40. After solving that you should be able to solve for c in the top triangle which should get you 30.
HHHEEEEEEELLLLLLPPPPP quickly
Answer:
x-intercept and y-intercept are both 0
the domain (x) is [-4, 4]
the range (y) is [-4, 4]
PLEASEE HELPPP 49 points
Answer:
bimodal 16 and 23
Step-by-step explanation:
mode is the highest frequency
Answer:
16 and 23 b/c they both appear two times and the most often.
Step-by-step explanation:
mode is the value that appears most often in a set of data.
what is the x-intercept of the graph 4x-6y=12
Answer
x=3 or (3,0) and if you need it y=-2x+3
Step-by-step explanation:
I'm not very good at explaining things, sorry
Determina la probabilidad que tiene de ganar, una persona que apuesta a los números 13, 14, 17, 35, 39, 54
Respuesta:
1/6
Explicación paso a paso:
La probabilidad es la probabilidad o probabilidad de que ocurra un evento. Se expresa como;
Probabilidad = Resultado esperado / Resultado total
Dado que la puntuación total de la muestra es 6 (13, 14, 17, 35, 39, 54)
Resultado total = 6
Dado que vamos a encontrar la probabilidad de ganar,
Puntuación ganadora = 54 (solo un resultado)
Resultado esperado = 1
Sustituir
Probabilidad de ganar = 1/6
A youth football team has three out of 11 players who played quarterback previously. Based on the
information, if there are 250 players in the football league, then how many could we expect to have
previously played the position of quarterback?
а. 70
B.3
C.250
D.68
Need it now
Answer:
D
Step-by-step explanation:
3(x-2)+4(x-2)-5(x-2)
Answer:
2x - 4
Step-by-step explanation:
been stuck on this question. plz help me i will give u brainliest!
Answer:
the sum of A, B, C and E = 23Explanation:
single cone = $3
double cone = $5
total single = A = 3s
total double = B = 5d
As + Bd = 57
Cs + Ed = 15
A = 3 , B = 5
3s + 5d = 57
s + d = 15 (we don't know C and E yet)
multiply the second equation by 3 and substract it from the first equation
3s + 5d - 3s - 3d = 57 - 45
2d = 12
d = 6
Ed = 6
Cs = 15 - 6 = 9
A = 3 ($3)
B = 5 ($5)
C = 9 (single cones)
E = 6 (double cones)
Check:
(9 single cones × $3) + (6 double cones × $5) = 27 + 30 = 57
9 single cones + 6 double cones = 15
the sum of A, B, C and E:
A+B+C+E = 3+5+9+6 = 23
You make a scale drawing of a tree using the scale 5 in. =27 ft. If the tree is 67.5 ft tall, how tall is the scale drawing?
A.) 10 in
B.) 11.5 in
C.) 12 in
D.) 12.5 in