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Step-by-step explanation:
iiiiooi
HELP PLZ I’m struggling with this
Answer:
270 per year so 6 years is 1620 and add that with 6000=7620
Erin wants to raise her math grade to a 95 to improve her chances of winning a math
scholarship. Her math average for the last marking period was an 81. Erin decides she must
raise her math average by 15% to meet her goal. Do you agree? Why or why not? Support your
written answer by showing your math work.
Answer:
Step-by-step explanation:
Yes because to raise her score she would have to add 81 increased by 15% to reach her goal . So you should agree with her . If you dont understand how i got the answer plz let me know so i can explain it better.
Anyway hope this helps!
If u=0, make t the subject of the following equation: s=ut+1/2at^2 Please look at image.
Answer:
[tex]t=\sqrt{\dfrac{2s}{a}}[/tex]
Step-by-step explanation:
The given equation is :
[tex]s=ut+\dfrac{1}{2}at^2[/tex]
Where
s is displacement
u is the initial velocity
a is acceleration
t is time
If u = 0, the above equation become,
[tex]s=\dfrac{1}{2}at^2\\\\t^2=\dfrac{2s}{a}\\\\t=\sqrt{\dfrac{2s}{a}}[/tex]
Hence, the value of t is equal to [tex]\sqrt{\dfrac{2s}{a}}[/tex].
A sampling method where you determine randomly where you want to start selecting in the sampling frame and then follow a rule to select every xth element in the sampling frame list is called a ____ method.
Answer:
Systematic
Step-by-step explanation:
Samples may be classified as:
Convenient: Sample drawn from a conveniently available pool.
Random: Basically, put all the options into a hat and drawn some of them.
Systematic: Every kth element is taken. For example, you want to survey something on the street, you interview every 5th person, for example.
Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
Stratified: Also divides the population into groups. However, then only some elements of the group are surveyed.
In this question:
Every xth element, so systematic.
Which represents the equation of the line that
passes through the points (5,-2) and (15, 6)?
Answer:
[tex]y =\frac{4}{5}x-6[/tex]
Step-by-step explanation:
Hi there!
Linear equations are typically organized in slope-intercept form: [tex]y =mx+b[/tex] where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)
1) Determine the slope (m)
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex] where two given points are [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex]
Plug in the given points (5,-2) and (15, 6)
[tex]=\frac{6-(-2)}{15-5}\\=\frac{6+2}{15-5}\\=\frac{8}{10}\\=\frac{4}{5}[/tex]
Therefore, the slope of the line is [tex]\frac{4}{5}[/tex]. Plug this into [tex]y =mx+b[/tex]:
[tex]y =\frac{4}{5}x+b[/tex]
2) Determine the y-intercept (b)
[tex]y =\frac{4}{5}x+b[/tex]
Plug in one of the given points and solve for b
[tex]6=\frac{4}{5}(15)+b\\6=12+b[/tex]
Subtract 12 from both sides of the equation to isolate b
[tex]6-12=12+b-12\\-6=b[/tex]
Therefore, the y-intercept of the line is -6. Plug this back into [tex]y =\frac{4}{5}x+b[/tex]:
[tex]y =\frac{4}{5}x-6[/tex]
I hope this helps!
A 20-pound bag of fertilizer costs $19.60. What is the cost
per pound?
Answer:
just do 19.60/20 = 0.98$/lbs
hope that answers your question
Step-by-step explanation:
Nathan buys a blender with a listed price of $65. Nathan uses a coupon that provides 20% off. What is the total final price Nathan pays?
Answer:
$52
Step-by-step explanation:
Given data
Price of blender= $65
Coupon = 20%
Let us find the amount of the coupon
=20/100*65
=0.2*65
=$13
Hence the amount of the coupon is $13
The total price Nathan pays is
=65-13
=$52
BRAINLISTTTT
What is the simple interest on a $3,750 loan at a rate of 5% per year after 5 years?
a. $4,697.50
b. $13,125.00
c. $9,375.00
d. $937.50
Answer:
d.937.50
Step-by-step explanation:
After each year it adds 5% so 5x5 is 25%
25% of $3,750 is $937.50
hope this helps :)
A sample of a radioactive isotope had an initial mass of 690 mg in the
year 1997 and decays exponentially over time. A measurement in the
year 2001 found that the sample's mass had decayed to 390 mg. What
would be the expected mass of the sample in the year 2011, to the
nearest whole number?
Answer:
its 94 on deltamath just did it
Step-by-step explanation:
Let t=0 represent the year 1997
Starting Value: 690
Write function:
y=690(b)^t
Now find the b-value:
y=390 when t=4 (2001−1997)
390=690(b)^4
390/690=690(b)^4/690
0.56521739=b^4
(0.56521739)^1/4=(b^4)^1/4
0.86706944=b
Write Complete Function:
y=690(0.86706944)^t
Find value in 2011 (use t=14):
y=690(0.86706944)^14
y=93.67062063
y≈94
Find the area of the shaded region. Round your answer to the nearest hundredth.
Answer: 1696.46
Step-by-step explanation:
6 x 6 x 3.14 = 113.1
24 x 24 x 3.14 = 1809.56
113.1 - 1809.56
thus we have 1696.46
sorry had to edit some things instead of one 6 its 6 x 6 and same with 24
help What is the area, in square centimeters, of the trapezoid below?
Answer:
115.15 cm²
Step-by-step explanation:
The area of a trapezoid = 1/2 (b1 + b2)h
Where:
b1 = first base = 8.2 cm
b2 = Second base = 15.3 cm
h = height = 9.8 cm
Hence, Area of the trapezoid =
1/2 (8.2 + 15.3) × 9.8
= 1/2 × (23.5) × 9.8
= 115.15 cm²
Therefore, the area, in square centimeters, of the trapezoid below is 115.15 cm²
Find each missing measure.
Answers:
Angle E = 37 degreesAngle G = 37 degrees============================================================
Explanation:
Angles E and G are congruent base angles of the isosceles triangle. The base angles are opposite the congruent sides EF = FG
Let x be the measure of angle E and angle G.
Adding all three angles of any triangle always gets us 180 degrees.
E+F+G = 180
x+106+x = 180
2x+106 = 180
2x = 180-106
2x = 74
x = 74/2
x = 37
Angles E and G are 37 degrees each
Answer:
37 degrees for both angles
Step-by-step explanation:
Any triangle is equal to 180 degrees
therefore, 180 - 106 = 74
74 / 2 = 37
I divided by 2 because you need an amount of 2 angles.
Thus, angles m<E and m<G are both equal to 37 degree
To check:
106 + 37 + 37 = 180
Hope this helped! Have a great day or night wherever you are and stay safe!
Simplify the product using the distributive property.
(4h + 6)(4h − 7)
16h2 − 52h + 42
16h2 + 4h − 42
16h2 + 52h + 42
16h2 − 4h − 42
Answer:
16h^2-4h-42
Step-by-step explanation:
4h times 4h is 16h^2
4h times -7 is -28h
4h times 6 is 24h
6 times -7 is -42
Combine like terms to get 16h^2-4h-42
Out of 100 books in a libraty, 40 had Electronic content, 10 are based on
Antiques, and 50 are based on Fishes. Find the probability of choosing a book
with Electronic or Fish content.
Answer:
9/10
Step-by-step explanation:
40+50=90
90/100
9/10
can i have brainliest plz
The times in seconds it took 6 finalists to run a 100-meter dash are 12.5, 12.4, 12.4, 12.3, 12.6, and 12.4.
Mr. Brown picks out the time that appears the most to find the
. He arranges the times in increasing order and picks the middle value to find the
.
Answer:
I think the correct answer is Mode for the first blank and Median for the second blank.
I hope this helps!
What is the value of x?
Enter your answer in the box.
x =
Answer:
X²=(24)²+(7)²
x²=576+49
x²=625
×=25
Answer:
25
Step-by-step explanation:
Use the Pythagorean Theorem: a²+b²=c²
a=24
b=7
c=x
Plug in the numbers
(24)²+(7)²=x²
Square 24 and 7
576+49=x²
Add 576 and 49
625=x²
Take the square root on both sides
x=√625
Simplify
x=25
Which expression represents a rational number?
Answer:
C
Step-by-step explanation:
2/7+sqrt121 is just 2/7+11.
This is rational.
Answer:
2/7 + sqrt 121
Step-by-step explanation:
the square root of 121 is a whole number - 11, which is rational and makes the equation rational
solve this please i just need the top answer thx lol :)
Answer: x+(x+1)+(x+2) = 63
This is because x is the smallest number, so x+1 is the next value up, and x+2 is the value after that. The parenthesis are optional. I used them to separate out the three expressions. We can simplify the left side to 3x+3, which means that equation in bold is the same as 3x+3 = 63. So there are few ways we can form the equation.
You have the correct answers for the other boxes:
20+21+22 = 63
Nice work.
20, 21, 22
Step-by-step explanation:
Let x = the smallest integer of the three consecutive ones
(x + 1) = the next consecutive integer after x
(x + 2) = the next consecutive integer after (x + 1)
The sum of these three should add up to 63 so
x + (x + 1) + (x + 2) = 63
This simplifies to
3x + 3 = 63
Solving for x, we get
x = 20
Therefore, the three consecutive integers whose sum add up to 63 are 20, 21 and 22.
Which is more, 67 fluid ounces or 2 quarts?
Answer:
fluid ounces
Step-by-step explanation:
1 quart is equal to 32 fo
the question is in the snapshot below!
Answer:
B
Step-by-step explanation:
opposite of ten is -10 and at least is grater that or equal to
Answer:
B is the correct answer
Step-by-step explanation:
How does the number 32.4 change when you multiply it by 10 of the power of 2
I will give brainliest! What is the length of the segment that joins the points (-5, 4) and (6, -3)?
Answer:
Your answer would be √170, or square root of 170.
help please no links or random things thank you!!
Answer:
x=113
Because this is a Vertical angel hope this helps
Add my Discord so we can be besties: BeepBoop #0214 12-14 only please!!
Answer: okay sir
Step-by-step explanation:
Find the missing length
Answer:
Last one
Step-by-step explanation:
Beverly has started her own company selling posters. Her upfront cost to start the business was $660. She sells each poster for $12. When will Beverly break free? (When will her profit be 0)
Answer:
she needs to sell 55 posters
Step-by-step explanation:
660/12
WILL GIVE BRAINLIEST!!
A bookstore costs $90 a day to keep open, and it spends $12 for each book that it sells. If each book sells for $18, what is the break-even point for this bookstore?
A. n = 12
B. n = 18
C. n = 15
D. n = 16
Answer:
Total Cost in a day is . Profit function is . And the revenue function is . In a day, bookstore must sell at least 15 books, because of 6n-90=0, in order to make profit.
Step-by-step explanation:
-90
The break-even point for this bookstore is 15, i.e. correct answer is,
C. n = 15.
Here, we have,
given that,
A bookstore costs $90 a day to keep open,
and it spends $12 for each book that it sells.
If each book sells for $18,
now, we know that,
Breakeven quantity = fixed cost / price – variable cost per unit
now, we have,
$90 / (18 - 12)
=$90 / $6
= 15
so, n = 15
Hence, The break-even point for this bookstore is 15, i.e. correct answer is, C. n = 15.
To learn more about break even, please check: brainly.com/question/17960037
#SPJ7
help answer correctly !!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!
Answer:
75.96
Step-by-step explanation:
Rona was driving on an asphalt road that had a 35 mile per hour speed limit posted. A lrr r deer jumped out from the side of the road causing Rona to slam on her brakes. Her tires left three skid marks of lengths 70 ft., 72ft., and71ft. The road had a drag factor of .78. Her brakes were operating at 95% efficiency. The police gave Rona a ticket for speeding. Rona insisted that she was driving under the speed limit. Who was correct (the police or Rona)
Answer:
The answer is "The cops were correct because the average speed would have been about 39.73 miles per hour as per the calculations."
Step-by-step explanation:
Finding the average skid distance:
[tex]Average=\frac{70+71+72}{3}=\frac{213}{3}=71[/tex]
Calculating the skid:
[tex]S=\sqrt{30 \times D \times f\times n}\\\\[/tex]
[tex]=\sqrt{30 \times 71 \times 0.78\times 0.95}\\\\=\sqrt{1,578.33}\\\\=39.73[/tex]
Plz help me:)!!!✌︎('ω')✌︎