Answer:
b
Step-by-step explanation:
Answer:
B) 57
Step-by-step explanation:
since BD ≅ BC then ∡C = ∡D
6x-9 = 3x + 24
subtract 3x from each side to get:
3x-9 = 24
add 9 to each side to get:
3x = 33
divide each side by 3 to get:
x = 11
substitute 11 into 'x' in 3x + 24 to get:
3(11) + 24 = 33+24 = 57
check:
substitute 11 into 'x' in 6x - 9 to get:
6(11) - 9 = 66 - 9 = 57
Solve the equation for the y–value and choose whether it is a direct variation or inverse variation
-4x + y = 0
Answer: Choice C
y = 4x
Direct variation
=====================================================
Explanation:
We add 4x to both sides to isolate y. That leads to y = 4x
This is a direct variation equation because it's in the form y = kx, for some constant k.
what is Evaluate 5x2-4 when x=3.
PLS HELP ME, I REALLY NEED THIS RIGHT NOW, 100 POINTS, IF YOU ANSWER WITH NO EXPLANATION, OR ANSWER FOR THE POINTS YOU WILL BE REPORTED
A marine biologist is studying the growth of a particular species of fish. She writes the following equation to show the length of the fish, f(m), in cm, after m months:
f(m) = 4(1.08)m
Part A: When the marine biologist concluded her study, the length of the fish was approximately 6.86 cm. What is a reasonable domain to plot the growth function? (4 points)
Part B: What does the y-intercept of the graph of the function f(m) represent? (2 points)
Part C: What is the average rate of change of the function f(m) from m = 3 to m = 7, and what does it represent? (4 points)
9514 1404 393
Answer:
0 ≤ m ≤ 70.4541 cm/month; average rate of growth over last 4 months of studyStep-by-step explanation:
Part A:
The study was concluded after 7 months. The fish cannot be expected to maintain exponential growth for any significant period beyond the observation period. A reasonable domain is ...
0 ≤ m ≤ 7
__
Part B:
The y-intercept is the value when m=0. It is the length of the fish at the start of the study.
__
Part C:
The average rate of change on the interval [3, 7] is given by ...
(f(7) -f(3))/(7 -3) = (4(1.08^7) -4(1.08^3))/4 = 1.08^3·(1.08^4 -1)
≈ 0.4541 cm/month
This is the average growth rate of the fish in cm per month over the period from 3 months to 7 months.
CAN SOMEONE HELP ME ASAP: Write 0.0000000642 in scientific notation.
Answer:
6.42 × 10-8.
Step-by-step explanation:
vububTodyksyk
Answer:
6.42 x [tex]10^{-8}[/tex]
Step-by-step explanation:
0.0000000642 in scientific notation = 6.42 x [tex]10^{-8}[/tex]
For brainily please help
Answer:
The largest side is ST
Step-by-step explanation:
It's the largest side because it is opposite to the largest angle
Isabella and her brother, Santiago, want to make their grandma's famous fruit salad, but they can't remember how to make the honey-lime dressing. They decide to make two versions with different amounts of sweet honey and tangy lime, then compare them. Isabella mixes 4 tablespoons of honey and 2 tablespoons of lime juice. Santiago mixes 5 tablespoons of honey and 4 tablespoons of lime juice. Whose dressing is sweeter?
Answer:
Isabella
Step-by-step explanation:
4:2, is Isabella's ratio of honey:lime.
5:4, is Santiagio's ratio of honey:lime.
Therefore, Isabella has 6 equal parts over all and 4/6 of those parts are honey.
Santiago, has 9 equal parts, so he has 5/9 parts of honey.
Next is to make the denominators the same:
That would make the denominators 54 and then you just multiply the opposite denominator to the numerator:
5/9=36/54
4/6=30/54.
This means that Isabella's dressing is sweeter.
Find the value of the expression.3 + 6 × 2 = _____
Answer:
15.
Step-by-step explanation:
Hope this helps!
Answer:
15
Step-by-step explanation:
3 + 6 × 2 =
- Following the rules of bedmas, multiply the terms first.
3 + 12
- Now, add the remaining values.
= 15
Last year, Robert grew 3 1/3 inches and his brother grew 1 2/3 inches. How much more did Robert grow than his brother?
When it says "how much more", it means to find the difference between the siblings' growth by subtracting their growths.
Step 1: Convert both mixed numbers to improper fractions
[tex]3\frac{1}{3}- 1\frac{2}{3}[/tex] Learn how to do that here: https://brainly.com/question/13099965
[tex]3\frac{1}{3}\\\\3\times3=9\\9+1=10\\\\\frac{10}{3}[/tex]
[tex]1\frac{2}{3}\\\\3\times 1 = 3\\3 + 2 = 5\\\\\frac{5}{3}[/tex]
[tex]\frac{10}{3} - \frac{5}{3}[/tex]
Step 2: Subtract
10 - 5 = 5
[tex]\frac{5}{3}[/tex] or [tex]\bold {1\frac{2}{3}}[/tex]
Therefore, Robert grew [tex]\bold {1\frac{2}{3}}[/tex] more than his brother.
Sally has a collection of 600 skirts. Of these shirts, 25% are blue, 30% are pink, and the rest are black. How many skirt's in Sally’s collection are black?
Answer:
270
Step-by-step explanation:
because 25% blue 30% pink
so 25+30=55
100-55=45
600×45%=270 shirts
What is the value of x?
give us a problem or somen
Step-by-step explanation:
Answer:
x=4, i did the other one on ur acc, sad to see these points go to waste.
Step-by-step explanation:
Bryan is 122 pages into his adventure novel, and he can't wait to finish it tonight. Luckily, he reads quickly, 45 pages per hour. If Bryan reads for 4 hours tonight, how many pages will he have read in all?
Answer: 302
Step-by-step explanation:
45 pages per hour X 4 hours = 180 pages in total
180 + 122 = 302
so 302 pages in total
'please can i have brainliest? i need it for my goal'
Tom and Sean are window cleaners. Tom cleans 7 windows and Sean cleans 5 windows. Altogether they earn £36. How much will Tom get if they share the money in the same ratio as the number of windows they have cleaned?
Step-by-step explanation:
The total of windows they have cleaned = 12
They have cleaned 12 windows = they earn £ 36.
If they have cleaned 1 window = they earn 36/12 = £3.
So Tom have cleaned 7 windows = Tom earn = 3 * 7 = £21.
Please give me a brainliest answer
Translate this sentence into an equation.
112 is the product of Donnie's height and 8.
Use the variable d to represent Donnie's height.
Answer:
8d = 112
Step-by-step explanation:
In the sentence:
112 is the result, so the calculation is equal to 112: '?' = 112
Donnie's height times 8 is equal to the result: 8d = 112
It takes Alan 15 minutes to jog 1 kilometer. How many seconds does it take Alan to jog 1 kilometer?
Answer:
900
Step-by-step explanation:
there are 60 seconds in a minute. times fifteen (the number of minutes) by 60(the number of seconds in a minute) to get how many seconds.
60*15=900
hope this helps!
the value of a + b + c for equation 2 Y - x = 7 is
Answer:
Correct option is
B
1.x+0.y=7
x=7 can be written as, 1.x+0.y=7 as the coefficient of x is 1 and that of y is 0. Step-by-step explanation:
For each pair of shapes, decide whether or not Shape A is congruent to Shape B. Englan your meaning
First pair
Answer:
blah blah blah blah blah
HELP PLEASE!!
Write a recursive rule for an=1/3•4^n-1
A.) an=1/3•an-1
B.) an=4•1/3an-1
C.) an=1/3•4an-1
D.) an=4•an-1
Answer:
D.) an = 4 * an-1
Step-by-step explanation:
a(n) = (1/3) * 4^(n-1)
a(n-1) = (1/3) * 4^(n-1-1) = (1/3) * 4^(n-2)
Thus,
a(n) = (1/3) * 4 * 4^(n-2) = 4 * [(1/3) * 4^(n-2)] = 4 * a(n-1), so that
a(n) = 4 * a(n-1).
will give BRAINLIEST!!!!!!
3 3/4 X 1 2/5 do a step by step explanation please and also you have to make it so you convert it into an improper fraction first... please answer!!!
Answer:
5 1/4
Step-by-step explanation:
To convert into an improper fraction, we times the whole number by the denominator and then add the numerator. For the first number, it is 15/4 and the second number is 7/5. Then we multiply 15/4 and 7/5 to get 5 1/4.
Answer:
99/5
Step-by-step explanation:
CONVERT INTO:
33/4 x 12/5
MULTIPLY THE FRACTIONS:
(33x12)
--------------
5
CANCEL TERMS:
(33x3)
-----------
5
SIMPLIFY:
99/5
What does m equal and what is the slope
Answer:
The slope (m) = 2/3
Step-by-step explanation:
Taking any two points on the line:
(0,-2) & (3,0)
Using the slope formula to calculate the slope (m):
m = [tex]\frac{y2-y1}{x2-x1}[/tex]
= (0-(-2))/(3-0)
= (0+2)/3
= 2/3
Hence, the slope (m) is 2/3.
Hope this helps and be sure to have a wonderful time ahead at Brainly! :D
Find the vaule of x. then classify each triangle as acute, right, or obtuse
Answer:
1) = 90=acute angle 2)103=acute angle
Step-by-step explanation:
Answer:
1.) x = 90 (Right angle)
2.) x = 103 (Obtuse angle)
Step-by-step explanation:
All triangles' angles have a sum of 180°.<90° = Acute, 90° = Right, >90° = Obtuse[tex]1.)\\x+48+42=180\\x+90=180\\x=90\\\\2.)\\x+45+32=180\\x+77=180\\x=103[/tex]
Varia is studying abroad in Europe. She is required to pay $3,500 (in US dollars) per year to the university; however, she must pay in euros. How many euros can Varia expect to pay per month to the university? (Round to the nearest whole euro.)
0.7306euros = 1 US dollar
Answer:
3500
Step-by-step explanation:
if you rounding 0.7306 up to nearest euro its equal to a dollar
The number of euros that Varia can expect to pay per month to the university will be € 213.
What is conversion?Unit modification is the process of converting the measurement of a given amount between various units, often by multiplicative constants that alter the value of the calculated quantity without altering its impacts.
Varia is studying abroad in Europe. She is required to pay $3,500 (in US dollars) per year to the university, however, she must pay in euros.
We know that the conversion is 0.7306 euros = 1 US dollar. Then the number of euros per year is given as,
⇒ $3,500 x 0.7306
⇒ €2,557.1
Then the number of euros that Varia can expect to pay per month to the university will be given as,
⇒ €2,557.1 / 12
⇒ € 213.09
⇒ € 213
The number of euros that Varia can expect to pay per month to the university will be € 213.
More about the conversion link is given below.
https://brainly.com/question/9414705
#SPJ2
PLEASE DUE IN 17 MINUTES
Answer:
No the lines are not perpendicular
Step-by-step explanation:
Slopes are not perpendicular reciprocals
Sau một thời gian sử dụng, một tủ sách nghệ thuật đã có dấu hiệu bị xuống cấp và
cần sửa lại (xem hình vẽ). Các ngăn BC, DE và FG gỗ bị
mục và cần thay mới. Chủ nhà sách cần 3 miếng ván sao
cho khớp với các vị trí này. Em hãy giúp chủ nhà sách
tính toán chiều dài các miếng ván này sao cho khớp với
các vị trí cần thay thế. Biết ngăn HI=12 dm. Tính chiều
dài các ngăn BC;DE;FG
Answer:
Step-by-step explanation:
Explain the relationship between place values, and how the place values change as you go to the left and to the right. Use the numbers 10, 1, and 0.1 in your explanation.
Answer:
the place value changes by dividing by 10 or multiplying by 10. take one and go right on the number line you get 10. go left from 1 and you get 0.1
Working simultaneously, four fudge machines complete a big order in 32 hours. All the machines at the fudge factory work at the same pace. How many hours would it take to complete the order with twice the number of working machines?
Answer:
4 Hours
Step-by-step explanation:
Let's say that the rate of the machines 1/x, because every time they complete an order, it takes them x hours. To find x, we have to add the the rates of the individual machines, which would equal the rate of the machines working together. We know that there are four machines working together at the same rate, and it took them 32 hours.
So:
1/x + 1/x + 1/x + 1/x = 1/32
1/4x = 1/32
4x = 32
x = 8
Thus, the rate of the machines is 1/8.
Now we have to find the time of the order with only half of the machines working together. This time, we don't know the combined rate, so I'll substitute it for y.
1/8 + 1/8 = 1/y
1/4 = 1/y
y = 4
The time taken to complete it is 4 hours.
HERE IS YOUR ANSWER MATE
HAVE A GREAT DAY AHEAD
LOVE FROM INDIA
HELP ASAP PLS 10 POINTS
Answer:
try a or b hope this helps
Answer:
top right
Step-by-step explanation:
Jay decides to walk home from school today. He lives 3 miles from school and can walk home in 45 minutes. At what rate is Jay
traveling?
A)
1 mile/10 minutes
B)
1 mile/15 minutes
o
1 mile 20 minutes
D)
1 mile/30 minutes
Answer:
b 1mile/10 min
Step-by-step explanation:
can someone help me ??
Answer:
x=5
Step-by-step explanation:
Brainliest?PLEASE?Answer: x=-5
I hop that helped I would appreciate brainliest if possible :)
equation of line M is Y=5/8x+1 . Line N is perpendicular to M. What is the slope of line N?
Step-by-step explanation:
the slope of a line is always the factor of x in the equation. in our case here : 5/8.
the slope is the y/x ratio indicating how many units y changes, when x changes by a certain amount of units (e.g. when going from one point on the line to another).
the perpendicular slope (crosses the original line in a right angle = 90 degrees) turns x and y upside-down and flips the sign.
so, in our case, it is -8/5.
Enter your answer and show all the steps that you use to solve this problem in the space provided.
Combine like terms. What is a simpler form of the expression?
−3(−4y+3)+7y
help pls
Answer:
19y - 9
Step-by-step explanation:
- 3(- 4y + 3) + 7y ← multiply each term in the parenthesis by - 3
= 12y - 9 + 7y ← collect like terms
= 19y - 9