Answer:
90 percentage
yh it is
☺☺
y=−8x−3 x+y=7 Is (3,4)(3,4)left parenthesis, 3, comma, 4, right parenthesis a solution of the system? Choose 1 answer: Choose 1 answer: (Choice A) A Yes (Choice B) B No
Given:
The system of equation is
[tex]y=-8x-3[/tex]
[tex]x+y=7[/tex]
To find:
Whether (3,4) is a solution of the given system or not.
Solution:
We have,
[tex]y=-8x-3[/tex] ...(i)
[tex]x+y=7[/tex] ...(ii)
Putting the value of y in (ii) from (i), we get
[tex]x+(-8x-3)=7[/tex]
[tex]x-8x-3=7[/tex]
[tex]-7x=7+3[/tex]
[tex]-7x=10[/tex]
Divide both sides by -7.
[tex]x=\dfrac{10}{-7}[/tex]
[tex]x=-\dfrac{10}{7}[/tex]
Putting [tex]x=-\dfrac{10}{7}[/tex] in (i), we get
[tex]y=-8\times (\dfrac{-10}{7})-3[/tex]
[tex]y=\dfrac{80}{7}-3[/tex]
[tex]y=\dfrac{80-21}{7}[/tex]
[tex]y=\dfrac{59}{7}[/tex]
So, the only solution of the given system is [tex]\left(-\dfrac{10}{7},\dfrac{59}{7}\right)[/tex].
Hence, (3,4) cannot be a solution of given system, Hence the correct option is B.
Answer: B I got it right in khan academy
Step-by-step explanation:
Cooper is going to invest $2,100 and leave it in an account for 14 years. Assuming the interest is compounded monthly, what interest rate, to the nearest tenth of a percent, would be required in order for Cooper to end up with $5,300?
Answer:
6.6
Step-by-step explanation:
I just did this :)
The interest rate annually will be 6.6% for the given compound interest will be 6.6%.
What is compound interest?
Compound interest is applicable when there will be a change in principal amount after the given time period.
For example, if you give anyone $500 at the rate of 10% annually then $500 is your principle amount.
As per the given,
Principle amount P = $2100
Time period T = 14 years
The annual rate of interest is R
Total investment = $5300
Number of times interest applied per time period n = 12
By compound interest formula,
5300 = 2100[1 + R/(100)]^(12 x 14)
(1 + R/1200)¹⁶⁸ = 5.524
1 + R/1200 = 5.51 x 10⁻³
R = 6.6% annually
Hence "The interest rate annually will be 6.6% for the given compound interest will be 6.6%".
For more information about compound interest,
brainly.com/question/26457073
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(25 points)
What is the formula to find the volume of a triangular pyramid?
Answer:
hello did you find the answer
Answer:
Use the formula for the volume of a triangular pyramid: V=13Ah , where A = area of the triangular base, and H = height of the pyramid.
A city planner would like to estimate the true mean annual income of all households in the city. She selects a random sample of 50 households and determines that the 99% confidence interval for the true mean annual income of all households in the city to be $42,000–$68,000. Which of these statements is a correct interpretation of the confidence level?
Answer:
If many random samples of size 50 are selected from all households in the city, approximately 99% of the intervals would capture the true mean household income.
Step-by-step explanation:
EDGE2021
Add 3p2q
3+ 7 pq2+1 and – 8pq2
-2p2q
3
did u say the answer ?
Need help with 23-27 pls
Answer:
23. area is 364cm
Step-by-step explanation:
hope this helps
help help help help help help help help help help help help help help help help help help help help help help
Answer:
Excuse me? But I think we need information from before that question other wise that's useless and no one will be able to help you with this.
Step-by-step explanation:
Answer correctly !!!!!!!!! Will be marking Brianliest !!!!!!! URGENT URGENT !!!!!!!!!!!!!!!
Answer:
(-13/2,5/2)
Step-by-step explanation:
-5+(-8)/2,(0+5)/2
-5-8/2,5/2
-13/2,5/2
Answer:
B(-2, -5)Step-by-step explanation:
Points given:
M(-5, 0) - midpoint A( -8, 5) - endpoint B(x, y) - endpointUse midpoint formula to find the coordinates of B:
x = (x1 + x2)/2, y = (y1+ y2)/2Substitute known values and solve for x and y:
-5 = (-8 + x)/2 ⇒ -10 = -8 + x ⇒ x = -10 + 8 ⇒ x = -2 0 = (5 + y)/2 ⇒ 0 = 5 + y ⇒ y = 0 - 5 ⇒ y = -5Point B is:
(-2, -5)$200 * 1/6 PLEASE HELP TIMED!!!!
Answer:
33.33
Step-by-step explanation:
Answer:
$33.3333333333 or 33 dollars and 33 cents
Step-by-step explanation:
Convert 1/6 into a decimal
which is 0.16666666666667
then do 200 times 0.16666666666667
and you get 33.3333333333
Alt:
200 times 1 divided by 6
which is also 33.3333333333
Help me please ❤️
Thank you
Answer:
I think it would be finding the quantity in each group.
Step-by-step explanation:
Because there would be more than 1 group. there is only one group. so you are trying to find the number of hours each person in the group will get.
i think that is right sorry if not.
Answer:
The quantity, the kids would be the groups, we are not looking for the number of kids because we already know that. We're looking for the amount, or quantity each group (kids) gets.
Step-by-step explanation:
p ⋅ 4,600 = 6,440 There was a % percent increase in video game sales.
Answer:
the main reason why theres a rise in game sales is bc there are more ppl getting bored during the pandemic
How to solve this?
Please explain step by step
Answer:
Check pdf
Step-by-step explanation:
System of equations that have the same slope have what kind of lines?
Answer:
parallel lines
Step-by-step explanation:
with an infinite number of solutions
Answer:
I think you are intended to answer parallel lines
Step-by-step explanation:
There are two answers to this.
1) The lines could be parallel if their y intercepts are different.
2) The lines are different forms of the same line.
For example
parallel:
y = 3x + 5y = 3x - 2Different forms of the same line.
y = 4x + 22y = 8x +4The second condition is termed consistent. The second condition is of 2 lines with the same slope and the same y intercept.
A puppy weighs 4.5 pounds at five weeks and 7.5 pounds at eight weeks what was the percentage increase
Answer:
66.7%
Step-by-step explanation:
Given that,
Weight in first five weeks = 4.5 pounds
Weight at eight weeks = 7.5 pounds
We need to find the increase in precentage. The percentage increase in any value is given by :
[tex]\%=\dfrac{\text{final-initial}}{\text{initial}}\times 100\\\\=\dfrac{7.5-4.5}{4.5}\times 100\\\\=66.7\%[/tex]
So, the increase in precentage is 66.7%.
In a survey, a group of students were asked to name their favorite subject. There were 20 students who chose "other" subjects. How many students participated?
HELP PLEASE this is worth a lot I’ll mark as Brainlist
Megan finds a bag of 24 craft bows at the store. The bag indicates that 23 of the bows are striped. Megan wants to know the number of bows in the package that are striped. Select ALL the statements that are true.
Answer: B. Megan can divide the number 24 by 3 and then multiply the result by 2 to find the number of striped bows.
C. Megan can multiply the number 24 by 2 and then divide the result by 3 to find the number of striped bows.
F The number of striped bows in the package is 16.
Step-by-step explanation:
Here's the options:
A. Megan can divide the number 3 by 24 and then multiply the result by 2 to find the number of striped bows.
B. Megan can divide the number 24 by 3 and then multiply the result by 2 to find the number of striped bows.
C. Megan can multiply the number 24 by 2 and then divide the result by 3 to find the number of striped bows.
D. Megan can multiply the number 24 by 3 and then divide the result by 2 to find the number of striped bows.
E The number of striped bows in the package is 36.
F The number of striped bows in the package is 16.
The number of bows in the package that are striped will be calculated as:
= 2/3 × 24
= 16
Based on the options given, the correct answers will be:
B. Megan can divide the number 24 by 3 and then multiply the result by 2 to find the number of striped bows.
C. Megan can multiply the number 24 by 2 and then divide the result by 3 to find the number of striped bows.
F The number of striped bows in the package is 16.
The correct options are B, C and F.
the sum of the digits of the two-digit number is 5. when the digits are reversed, the number increases by 27. Find the original number.
If the area of a rectangle is 64cm squared, how many different perimeters are possible when the dimensions are whole numbers
Answer:
2 different perimeters, 32 cm and 40 cm
Step-by-step explanation:
Given the area of a rectangle is 64 cm squared.
We know, Area of the rectangle is = length x breath
∴ 64 = 8 x 8
Hence the sides can be 8 cm by 8 cm.
So the perimeter of the rectangle is = 8 cm + 8 cm + 8 cm +8 cm
= 32 cm
Also, Area of the rectangle is = length x breath
∴ 64 = 16 x 4
So the perimeter of the rectangle is = 16 cm + 4 cm + 16 cm +4 cm
= 40 cm
can someone help ill give more points if its right
Answer:
C=3/2
Step-by-step explanation:
change the fractions into decimals and you get .75 and .50
75/50 is simplified to 3/2.
Penelope buys bracelets in bulk at a cost of $8 each to sell at her store. She uses a markup of 125%, which is added to the bracelet cost. What is the retail price of a bracelet?
A.$18
B.$10
C.$12
D.$8
what is the cost price of 600 pens a) $8.50 , b) $9.20 c) $9.50 d) $8.20
Jackie bought 100 stamps. Each stamp cost $0.37. How much did Jackie spend?
Find the length of an arc intercepted by a central angle o in a circle of radius r.
r= 30.14 ft, 0 =Pi/25 radians
A. 11.4 ft
B. 1.9 ft
C. 7.6 ft
D. 3.8 ft
Answer:
D. 3.8 ft
Step-by-step explanation:
circumference = 2π * 30.14
arc length = 2π*30.14 * (π/25) / 2π = 60.28π/50 = 3.7875 ≈ 3.8
What is the solution to the equation below? Round your answer to two decimal places. 6 • e^x =25
A. X= 1.43
B. X= 0.62
C. X=64.50
D. X= 11.33
Answer:
5
Step-by-step explanation:
i think 5= 25 divided 5 or 2 decimal point
Apply the Distributive Property Of multiplication in making an equivalent expression.
2.) 2(4 + x)
WILL GIVE BRAINLIEST ANSWER!!
What is the markup price for a computer that costs $500 and the percentage of markup on cost is 15%? (Markup is cost
multiplied by percentage then add)
Answer:
$575
Step-by-step explanation:
15% if 500= 15/100 ×500= 75
75+500=575
a graph...................
Plz help.
I will mark Brainlyist
Answer:
the answer is 2hsox864
Step-by-step explanation:
so I'd you with all the way I wasn't really going on the road to be there today because I have to be with my mom said to me that was the first one I've been to know you can do that is weird but you have a lot to say that I have to say that you have to do it this is what I sent you and you can be a witch and you will be able and I dont you are so
HELP ASAP!!!! PLSS!!!
Answer:
9/32
Step-by-step explanation:
3/4 of 3/8 is 0.28125 or 9/32
Answer:
Step-by-step explanation:
3/8 (left over - from party) of 3/4 : 3/4 of 3/8 = 9/32