Answer:
(3x +7y)(3x-7y)
3²x²-21xy+21xy-7²x²
3²x²-7²y²
9x²-49y²
NEED THIS QUESTION WUICK PLEASE
option three, I think
[tex]3 \sqrt[3]{4} [/tex]
-0.9+28
----
6
help me solve the task
im a little lazy
Answer:
around 4.52.
Fraction form: [tex]4\frac{52}{100}[/tex]
Step-by-step explanation:
Brainliest?
Which is greater? 3/50 or 0.74
Answer:
0.74
Step-by-step explanation:
3/50 = 0.6
0.6<0.74
What are the steps to solving the equation: -3w+9= -12
Answer:
Simplify each side of the equation by removing parentheses and combining like terms.
Use addition or subtraction to isolate the variable term on one side of the equation.
Use multiplication or division to solve for the variable.
Step-by-step explanation:
Answer:
Solution
= −7
Step-by-step explanation:
3 + 9 = − 12
3 + 9 − 9 = − 12 − 9
Subtract the numbers
Subtract the numbers
3 = − 21
Divide both sides of the equation by the same term
3 = − 21
3/3 = −21/3
Solution
= −7
Solve the system of equations:
2x + 3y = 10
x - 2y = -2
(2,1)
(0,1)
(0,2)
(2,2)
No solution
Answer:
(2,2)
Step-by-step explanation:
2x+3y=10
x−2y=−2
In order to solve by elimination, coefficients of one of the variables must be the same in both equations so that the variable will cancel out when one equation is subtracted from the other.
2x+3y=10,x−2y=−2
To make 2x and x equal, multiply all terms on each side of the first equation by 1 and all terms on each side of the second by 2.
2x+3y=10,2x+2(−2)y=2(−2)
Simplify.
2x+3y=10,2x−4y=−4
Subtract 2x−4y=−4 from 2x+3y=10 by subtracting like terms on each side of the equal sign.
2x−2x+3y+4y=10+4
Add 2x to −2x. Terms 2x and −2x cancel out, leaving an equation with only one variable that can be solved.
3y+4y=10+4
Add 3y to 4y.
7y=10+4
Add 10 to 4.
7y=14
Divide both sides by 7.
y=2
Substitute 2 for y in x−2y=−2. Because the resulting equation contains only one variable, you can solve for x directly.
x−2×2=−2
Multiply −2 times 2.
x−4=−2
Add 4 to both sides of the equation.
x=2
The system is now solved.
x=2,y=2
Correct choice is D) 2,2
Someone help and please make sure the answer is right there is only 6 questions :(
Ezra spins the following spinner 50 times. How many times should he expect to land on a 4?
Answer:
10
Step-by-step explanation:
you divide 5 and 50
Based only on the information given in the diagram, which congruence
theorems or postulates could be given as reasons why ADEF= AKLM?
Check all that apply.
AA
O A. LA
ОВ. НА
O C. AAS
D. SAS
E HL
F.LL
=================================================
Explanation:
LA stands for Leg Angle. More specifically, the angle is an acute angle. This theorem only works for right triangles. We see that ED = LK which is one pair of congruent leg segments. So that takes care of the L part of LA. However, we don't know anything about the acute angles. We don't know if angle E = angle L, or if angle F = angle M, or something along those lines. We need angle markers to tell us or not.
In short, we only have half the info needed for LA, so we must cross choice A off the list.
----------------
HA stands for hypotenuse angle, or hypotenuse acute angle, and this rule only applies for right triangles. We don't know anything about the hypotenuse lengths if they are the same or not.
Similar to choice A, we don't know anything about the acute angles either.
Those two facts mean we must cross off choice B.
----------------
AAS stands for Angle Angle Side. The order is important because the side is not between the angles. The diagram only shows one pair of angles that are congruent to one another. That pair being the 90 degree angles indicated with the square marker. We don't have another pair of angles, so we cannot use AAS.
Cross choice C off the list.
-----------------
We can use SAS because we have two pairs of congruent sides and one pair of congruent angles.
The congruent sides are
ED = LK (double tickmarks)DF = KM (single tickmarks)That takes care of the two "S"s of "SAS". The "A" would be those two right angles which are congruent to one another. The angles are between the congruent sides which is important. Recall that SSA is not a valid congruence theorem.
So that's why choice D is the only answer.
-----------------
Side note: We could use the LL theorem, where L stands for leg, since we are given two pairs of congruent legs for each triangle. Like LA and HA, this only applies to right triangles. LL is a special case of SAS. However, LL isn't listed so we'll just be sticking with SAS as the only answer.
What is n fraction bar 3 + 8?
What is a fraction bar 7 = 3?
What is X + 32 = 40?
At a restaurant, Mike and his three friends decided to divide the bill evenly. If the total bill was $51.24, how much did each person pay?
Write and solve an equation for the above situation. Use "b" as the variable
How many packages of diapers can you buy with $40 if one package costs $8?
Write and solve an equation for the above situation. Use "p" as the variable
Answer:
Step-by-step explanation:
Im not sure about the first two about fraction bars, a fraction bar looks like this 1/10 or 4/9, maybe the question is asking you to make a fraction of each side so that they both equal the same thing using common denominators.
In that case #2 would be 21/3= 21/7
still not sure about #1
X+32=40
subtract 32 on each side
x+32-32=40-32
x=8
At a restaurant, Mike and his three friends decided to divide the bill evenly. If the total bill was $51.24, how much did each person pay?
Write and solve an equation for the above situation. Use "b" as the variable
4b=51.24
divide each side by 4
4b/4= 51.24/4
b=12.81
Each friend spent $12.81 on the bill.
How many packages of diapers can you buy with $40 if one package costs $8?
Write and solve an equation for the above situation. Use "p" as the variable
8p=40
divide each side by 8
8p/8=40/8
p=5
You can buy 5 packages of diapers with $40
A type of electric car can travel 3 miles on 1 kilowatt hour of electricity. How many kilowatt hours of electricity would it take to drive electric car to 's house and back? Lives miles from .
Answer:
Question is incomplete so I'll use a reference.
Assume the person whose house the car went to is 21 miles away.
The car would have had to go back and forth so the total distance spent would be:
= 21 + 21
= 42 miles
The car uses 1 kilowatt hour to go 3 miles. Now it has to go 42 miles.
The number of kilowatt hours it will need are:
= Distance / distance per kilowatt hour
= 42 / 3
= 14 kilowatt hours
HELP I NEED HELP. 100 points
what is 2+2
I was told to come to this website for help.
Answer: 4
Step-by-step explanation: yeah it a good website:)
Answer:
4
Step-by-step explanation:
when you have two cows, and get two more cows, you now do in fact have 4 cows
How many grams is 3.3 mole of Mg(OH)2 ?
Answer: m = 3.3 mol·58.326 mol = 192 g
Step-by-step explanation: molar mass of substance is
M= (24.31+ 2·1.008 + 2·16) g/mol = 58.326 g/ mol.
Amount of substance n = m/M and mass m = n·M
What is the area of the triangle?
11
A
14
4
Answer:
I think the answer is 28, which you can find by multiplying 4 by 14 and dividing it by 2.
ALGEBRA 2 HELP!!!!!!!!
Answer:
domain: (-∞ , ∞) ; range: f(x) ≥ 3
Step-by-step explanation:
domain: (-∞ , ∞) ; range: f(x) ≥ 3
pls help asap thankyou
Answer:
The slope of the line would be a. 0.
Answer:
im bad at math but i would guess the asnswer is 0. :)
Step-by-step explanation:
Candice is decorating a ballroom ceiling with garland. The width of the rectangular ceiling is 30 meters and the diagonal distance from one corner to the opposite corner is 34 meters. How much garland will Candice need for the length of the ceiling
Answer:
16 meters
Step-by-step explanation:
Candice is decorating a ballroom ceiling with garland. The width of the rectangular ceiling is 30 meters and the diagonal distance from one corner to the opposite corner is 34 meters. How much garland will Candice need for the length of the ceiling
The formula to solve for the above question is:
Diagonal² = Width² + Length²
34² = 30² + L²
Collect like terms
L² = 34² - 30²
L = √34² - 30²
L = √(256)
L = 16 meters
Therefore, the length of the ceiling is 16 meters
Solve the inequalities and compare.
oso
a. Solve 2x + 6 < 10.
b. Solve - 2x + 22 < 18.
Answer:
2
Step-by-step explanation:
1 Subtract 66 from both sides.
2x=10-6
2x=10−6
2 Simplify 10-610−6 to 44.
2x=4
2x=4
3 Divide both sides by 22.
x=\frac{4}{2}
x=
2
4
4 Simplify \frac{4}{2}
2
4
to 22.
x=2
x=2
Done
2x+22=18
We move all terms to the left:
2x+22-(18)=0
We add all the numbers together, and all the variables
2x+4=0
We move all terms containing x to the left, all other terms to the right
2x=-4
x=-4/2
x=-2
Solve for t: t + 7 = 21 A. t = 28 B. t = 14 C. t = -28 D. t = -14
Answer:
B t= 14
Step-by-step explanation:
t + 7 = 21
collect like terms
t = 21 - 7
t = 14
Pls help plsssssss thanks
Answer:
1. 99.33
2. 96
A square has the area of 25 square inches. What is that perimeter of a triangle with all equal sides if each of its sides is twice as long as the side of the square?
Answer: 30 inches
Step-by-step explanation:
The sides of the square are equal and so if the area is 25 inch², each side can be acquired by square rooting that figure:
= √25
= 5 inch per side for the square
Each side of the triangle is twice as long as a side of the square:
= 5 * 2
= 10 inches
There are three sides to a triangle so the perimeter is:
= 10 * 3
= 30 inches
1. Which of the following is a right triangle?
A.A piece of steel with sides 2 meters, 4 meters, and 5 meters,
B.A stained-glass window with sides 8 inches, 15 inches, and 20
inches.
C.A garden with sides 12 feet, 34 feet, and 37 feet.
D.ceramic tile with sides 20 centimeters, 21 centimeters, and 29
centimeters.
Answer:
c
Step-by-step explanation:
Answer:
D 20,21,29
Step-by-step explanation:
Hellllllllllllllllllllp
Answer:
B would be your answer worked for me.
Step-by-step explanation:
GIVING AWAY 30 POINT IF YOU HELP!!!!!
A set of art pencils is 20% off the original price. The sale price of the set is $24. Find the original price of the pencil set, plus 8% sales tax. What is the new cost?
Answer:
19.04$
Step-by-step explanation:
While eating dinner, Marian ate 25% of the apple slices she had in her bag. There were 20 apple slices in her bag. How many apple slices did Marian eat?
Answer:
She ate 5 apple slices
Step-by-step explanation:
25% of 20 is 5.
That means if she ate 5 slices, she ate 25% of the apple slices.
Hope this helped! Please give brainliest if it did help!
Answer:
5
Step-by-step explanation:
25% of 20 is 5
The function, f(x) = sec(x), is plotted below.
On a coordinate plane, parabolas repeat. A parabola opens up approaches StartFraction pi Over 2 EndFraction, has vertex (0, 1), and approaches StartFraction pi over 2 EndFraction. The parabola flips over the x-axis at every measure of pi.
For which values of x is the limit positive infinity when x approaches the values from the left?
Negative StartFraction 3 pi Over 2 EndFraction
Negative StartFraction pi Over 2 EndFraction
0
StartFraction pi Over 2 EndFraction
StartFraction 3 pi Over 2 EndFraction
Answer:
OPTION ONE
and
OPTION FOUR
Step-by-step explanation:
100% correct edge
do not pick a and b as its not B !!!!
The value of x is the limit positive infinity when x approaches the values from the left the options one and four is correct.
We have given that,
The function, f(x) = sec(x), is plotted below.
On a coordinate plane, parabolas repeat.
What is the limit?
The limit is a value that a function (or sequence) approaches as the input (or index) approaches some value.
A parabola opens up approaches StartFraction pi Over 2 EndFraction, has vertex (0, 1), and approaches StartFraction pi over 2 EndFraction. The parabola flips over the x-axis at every measure of pi.
We have to determine the value for which values of x is the limit positive infinity when x approaches the values from the left.
from the graph, we have options one and four is correct.
To learn more about the graph visits:
https://brainly.com/question/4025726
#SPJ2
Sarah made $180 for 12 hours of work. At the same rate, how much would he make for 17 hours of work?
Answer:
1260
Step-by-step explanation:
180 x 2
Element X is a radioactive isotope such that every 3 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 410 grams, how much of the element would remain after 10 years, to the nearest whole number?
Answer:Y=41
Step-by-step explanation:
In ARST, r = 530 cm, s = 530 cm and t=950 cm. Find the measure of T to the
nearest 10th of a degree.
Answer:
127.3
Step-by-step explanation:
T≈127.333≈127.3
∘
What is the example of ratio?
Answer:
Step-by-step explanation:
f there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six (that is, 8∶6, which is equivalent to the ratio 4∶3). Similarly, the ratio of lemons to oranges is 6∶8 (or 3∶4) and the ratio of oranges to the total amount of fruit is 8∶14
ANSWER BELOW I WILL MARK BRAINLIEST!! :)
Answer:
brainliest please?
:) <3
Step-by-step explanation:
3 goes to A
1 goes to B
6 goes to C
5 goes to D
and 8 goes to E