a) If x=7a-b (7 power a-b) and y = 7b-, show that xy = 1.
b) If a = 2 and b = 1, show that (a + b)² = a² + 2ab + b²
c) If a = 5 and b = 3, show that (a - b)² = a² - 2ab + b²
Please help me solve this. Thank you
Answer:
You have seemed to put a lot of numbers together, maybe if you put the question into more of a proper way, I might be able to be of more help.
Step-by-step explanation:
I hope this helps, if it doesn't then just message me and ill be more than happy to help :)
I need help on this question
Answer:
its A and 4 good luck!!!!!!
Answer:
A. 13 + t = 17 Value of t: t = 4
Step-by-step explanation:
My steps:
1) rewrite: 13 + t = 17
2) subtract 13 on each side on equal sign:
13 -13 + t = 17 - 13
3) Solve: t = 4
I hope this helped, good luck!
Please help asap!! (image attached)
Answer: 363 is not prime.
Step-by-step explanation:
Graph the following in cartesian plane. With solution.
1.) 5x - 4y = 20
2.) 3x + 3y = 15
3.) y = 3/4x - 2
4.) y = -3/2x + 3
Help me please and fast no photo math please already tried that
Steps to solve:
\(\frac{3x}{x^2+5x-14} -\frac{6}{x^2+5x-14}\)
~Apply rule [ a/c ± b/c = a±b/c ]
\(\frac{3x-6}{x^2+5x-14}\)
~Factor out [ 3 ]
\(\frac{3(x-2)}{x^2+5x-14}\)
~Factor out [ x^2 + 5x - 14 ]
\(\frac{3(x-2)}{(x-2)(x+7)}\)
~Cancel common factor [ x - 2 ]
\(\frac{3}{x+7}\)
The answers are Options 1, 2, and 3
Best of Luck!
Miranda has a kitten and a puppy. The kitten weighs 1.2 pounds. The puppy weighs 9.5 times as much as the kitten. What is the weight, in pounds, of the puppy?
helpppppppppppppppppppp.................
Which angle is supplementary to ∠MPN?
five angles all with common vertex of P, with angle NPI measuring 55.6 degrees, angle IPK measuring 44.2 degrees, angle KPL measuring 80.2 degrees, angle LPM measuring 55.6 degrees, and angle MPN measuring 124.4 degrees
∠NPL
∠LPM
∠IPK
∠KPL
The ∠LPM is supplementary to ∠MPN.
What is supplementary angles?If two angles in geometry sum up to 180 degrees, they are considered to be supplementary angles. For instance, A and B are referred to as supplementary angles if ∠A + ∠B = 180°. When combined, supplementary angles always make a straight angle (180 degrees).
Given:
Five angles all with common vertex of P, with angle NPI measuring 55.6 degrees, angle IPK measuring 44.2 degrees, angle KPL measuring 80.2 degrees, angle LPM measuring 55.6 degrees, and angle MPN measuring 124.4 degrees
We have to find the angle which is supplementary to the ∠MPN.
Let, x be the angle supplementary to the ∠MPN.
So,
x + ∠MPN = 180
x = 124.4 = 180
x = 180 - 124.4
x = 55.6
Therefore, ∠LPM is supplementary to ∠MPN.
To know more about the Supplementary angle, click on the link,
https://brainly.com/question/12919120
#SPJ2
Answer:
<LPM
Step-by-step explanation:
BYE!!!
PLZ ANSWER Selena picked eight baskets of tomatoes. Her sister threw away one of the baskets due to bruising. What percent were good?
Answer
12.5 percent was bad, 87.5 were good
Step-by-step explanation:
set up this percentage solver\(\frac{1}{8} *\frac{x}{100}\)
then cross multiply
\(8x=100\)
divide by eight
12.5 were bad
so 87.5 were good
A McDonald's cheeseburger cost $0.79 in 1999. Today that cheeseburger costs $1.00. What is the percent change?
A) 26.58% Increase
B) 21% Decrease
C) 21% Increase
D) 26.58% Decrease
Answer:
The percentage change from 0.79 to 1.00 is 26.58 % increase
Step-by-step explanation:
((1.00 - 0.79) / 0.79) * 100 = 26.58%
Answer:
26.58% Increase
Step-by-step explanation:
Using the formula %Increase=100×final-initial/initial
%Increase=100×1-0.79/0.79=26.58%
Blehhh T^T I'm sorry ppl...
Answer: m=0.75
PLZ BRAINLIEST I NEED IT
Step-by-step explanation:
so first we know y1-y2/x1-x2
so, 90-18 is 72 and 120-24 is 96
then, we have to divide those to to get the y intercept m.
0.75
is m=0.75
help with these questions please
Z(0,-5) Go left 5, up right, and down 3.
Answer:
I believe the answer is -4, -7. This would be the case if it meant to go up once and right once. However, the answer could also be -2, -5. This would be the case if it meant going up, right, and down each three times.
Step-by-step explanation:
The wording is ambiguous
Please help quick(10 points &brainleist)
Evaluate.
(1/5)^−1 ⋅ 40
0
1
5
20
200
the minus 1 is separated with 1 and 5 and it is reciprocal due to the power of minus 1 and 5 comes up and multiplies with 5
What is the solution to this math problem\(4x + 2(x - 5) = 3(2x - 4)\)
\(4x+2(x-5)=3(2x-4)\\\\4x+2x-10=6x-12\\\\4x+2x-6x=-12+10\\\\0=-2\)
Equation doesn't have any solution.
1. The exponential form of 1/8 × (3)-3
2. A machine in a soft drink factory fills 600 bottles in 5 hours. How many bottles will it fill in 2 hours ?
3. The standard form of 0.000064 is :
4. The value of (-5)-2 x (-5)2
5. If ‘a’ represents the cost of apples and ‘b’ represents number of apples bought. Which option
shows that ‘a’ and ‘b’ are in inverse proportion ?
6. The value of ( 1/3 )-2
is :
7. The value of (a + b)2 – (a - b)2
is
8. If (2 )
m+2 × (2)
5 = (2 )
8
, then the value of m is:
9. Volume of a rectangular box ( cuboid ) with length = 2ab , breadth = 3ac and height = 2ac is
10. Factorised form of p2
- 17p -38
11. 12 men can dig 8 meters long trench in a day. How many men should be employed for digging
50 meter long trench of the same type in one day?
12. The area of a square is 9x2 + 24xy + 16y2
. Find the side of the square .
Answer:
Step-by-step explanation:
Is 5 a Whole number?
Answer:
Yes 5 is a whole number.
help pleaseeeeeeee!! John is baking rectangular cakes. The first cake he baked was 3 inches wide and 5 inches long. The second cake he baked was 6 inches wide and 10 inches long. The third cake he baked was 12 inches wide and 20 inches long. If John continued this pattern, what would the dimensions of his fourth cake be?
Answer:
Step-by-step explanation:
try 40 inches long and 24 inches wide
explanation is 5 x 2 = 10 10 x 2 = 20 20 x 2= 40.
and 3 x 2 = 6 6 x 2 = 12 12 x 2 = 24
What is 3/10 equal to?
What is 7/10 equal to?
What is 2/10 equal to?
How can you use the distributive property to multiply?
ILL GIVE U BRAINLIEST IF U GET IT CORRECT!!!
Answer:
1. 3/10 is equal to .3 or 30%
2. 7/10 is equal to .7 or 70%
3. The distributive property of multiplication over addition can be used when you multiply a number by a sum. For example, suppose you want to multiply 3 by the sum of 10 + 2. 3(10 + 2) = (30 +20) you can distribute the value outside of the parentheses to the values inside.
Answer:3/10 is 0.3 7/10 is 0.7 2/10 is 0.2
n math, distribution (also called the distributive property of multiplication over addition) allows you to split a large multiplication problem into two smaller ones and add the results to get the answer.
If you’ve ever tried to carry a heavy bag of groceries, you may have found that distributing the contents into two smaller bags is helpful. This is similar to how the distributive property works for multiplication.
Here’s an example: multiply 17 101 using the distributive property.
1. Simplify the numbers.
In this example, 101 = 100 + 1, so:
17 101 = 17 (100 + 1)
Split the problem into two easier problems.
Take the number outside the parentheses, and multiply it by each number inside the parentheses, one at a time.
= (17 100) + (17 1)
3. Add the products.
At this point, you may be able to solve the two multiplications in your head and then add them up easily:
= 1,700 + 17
= 1,717
ik its a lot but only the smartest can answer
Answer:
Answer c
Step-by-step explanation:
Row one= 70
Row two=112
Row three=154
Row five=238
Row six=280
Answer c
If you find the rate of change which is 42 once you do y=mx+b or in this case y=42 times x + 28, Do that six times and find the choice that will give you the last answer of 280.
help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee plsssssssssssssssss
What is the solution of the equation n+13=30 ?
Answer:17
Step-by-step explanation:
1) 30 -13=17
n=17
Deon won a charity raffle. His prize will be randomly selected from the 9 prizes shown below. The prizes include 4 rings, 3 cameras, and 2 headsets.
Shape 2 (2.5,-0.5) , (4,-1.5) , (2.5,-2) , (2.5,-.5)
Answer:
yes what the question
Step-by-step explanation:
Please help asap and explain how you did it! Tysm!!♡♡
Answer:
5
Step-by-step explanation:
The points have a distance of 5 away from eachother
Pre-Algebra
Over due!!
Answer: 13= 3.75
Step-by-step explanation: \
−4.5=−1.2k
Divide both sides by −1.2.
−1.2
−4.5
=k
Expand
−1.2
−4.5
by multiplying both numerator and the denominator by 10.
−12
−45
=k
Reduce the fraction
−12
−45
to lowest terms by extracting and canceling out −3.
4
15
=k
Swap sides so that all variable terms are on the left hand side.
k=
4
15
HELP ME PWEAS 100 POINTS TO RIGHT ANSWER
Which of the four triangles was formed by a translation of triangle MNO? (1 point)
A
B
C
D
Answer: ok
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
To make a number pattern, Shana used the rule "Add 3," with a whole number as the starting number. Which statement must be true about Shana's list of numbers?
Answer:
you didnt put enough context in your question but if shana kept using three she would have mixed even and odds in her numbers if you could give more context to the question id be glad to help more
Please help me with this equation! Also, please answer in fraction form!
Answer:
-89/40
Step-by-step explanation:
-5/8 + (-8/5) is the same as -5/8 - 8/5.
Find a common denominator when you are adding or subtracting fractions.
8*5 = 40 -- this is your common denominator.
-25/40 - 64/40 = -89/40
Can you help me answer this question please
( determine the values of the unknowns that make the function continuous everywhere?)
Answer:
a = 4
b=-12
Step-by-step explanation:
For h(x) to be continuous, h(2) = -4 and h(5) = 8. a represents the slope of the line, which can be found using \(\frac{y_{2}-y_{1} }{x_{2}-x_{1}}\)=\(\frac{8-(-4)}{5-2} =4\), so a = 4.
Now we can use our known values and either point to solve for b.
Using h(2) = -4:
\(-4 = 4(2)+b\\b=-12\)
So, a = 4 and b = -12.