Answer:
what's the grade level?
Step-by-step explanation:
Answer:
122,850 sq. ft.
Step-by-step explanation:
The area of a circle is A = πr²; since these are semi-circles, the area would be given by A = 1/2πr². Using 1/2x in place of r, we have
A = 1/2π(1/2x)² = 1/2π(1/4x²) = 1/8πx²
Using 22/7 for π, we have
A = 1/8(22/7)x² = 22/56x²
Since there are 2 semi-circles, this gives us
2(22/56x²) = 44/56x²
Simplifying this, we have
A = 22/28x² = 11/14x²
This gives us the expression
2x²+11/14x² for our expression for the area.
(Without using 22/7 for pi, we have
2x²+2(1/8πx²) = 2x²+2/8πx² = 2x²+1/4πx²
Using 210 for x and 22/7 for π, we have
A = 2(210²)+1/4(22/7)(210²) = 88200+34650= 122,850
Rachel wants to use the Distributive Property to rewrite 72 + 45. Which expression could she use?
Answer:
1.17 x 10^2
Step-by-step explanation:
Im pretty sure its right
Write the fraction 12/28 in simplest form
Answer:
3/4
Step-by-step explanation:
divide each by 2
28/2 = 14
12/2 = 6
14/2 = 7
6/2 = 3
therefore 3/7
Mark has less than 20.00 to spend on the cost of dinner
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2. Mario invested $500 dollars at 4% interest,
compounded bi-monthly. How much will Mario have in
his account 25 years from now?
Answer:
125
Step-by-step explanation:
500 divided by 4 = 125
can I pls have brainlest
What is the linear inequality that represents the graph shown?
Answer:2/4
Step-by-step explanation:
In ΔVWX, the measure of ∠X=90°, the measure of ∠W=9°, and WX = 8.7 feet. Find the length of XV to the nearest tenth of a foot.
Answer:
y<-1/3x+3
Step-by-step explanation:
The slope of this graph is -1/3 (If I read the graph correctly), from points (-3,4) and (0,3).
The graph is a y-intercept of 3, because it crosses the y-axis at 3, (0,3).
To find whether this statement is true or not, you can plug in a random point from the shaded area and test that point. (I like to use the origin, (0,0))
(0)>-1/3(0)+3 (0)<-1/3(0)+3
0>0+3 (0)<+3
0>3 0<3
The one to the right, 0<3, is true so the sign is a less than sign.
Also make sure that the line either makes a less than/ less than or equal to sign. Because the line is dashed, it makes a less than sign.
Leslie leaves her house and drives to another city for her
sister's wedding. She drives 77 miles north and then 420
miles east. How far is Leslie from her house? HELP PLEASE
Answer:
Step-by-step explanation: You have to add the number
420
+77
497
If a Canada goose completes a $2400$-mile migration in exactly $13$ days and $8$ hours, then what was her average speed for the whole trip in miles per hour?
Answer:
7.5 MPH
Step-by-step explanation:
total hours = 320
total distance = 2400
2400/320 = 7.5mph
The area of Neil's sqaure bedroom is 256 feet2. what is the length of any sidewall in his bedroom
Answer: 64 ft for each wall in his bedroom..
Step-by-step explanation: 256 divide 4 = 64.
Find the value of x. Show your work with proper statements and notations. D ∈ AC
Answer:
x=25°
Step-by-step explanation:
Using the "Z rule," m∠DCB has the same value with m∠EAD so they are both x.
Look at D, the other side should be 130° since it'll be 180 when you add 130 and 50.
in our triangle DBC we have 130° and 2x. So 2x = 50 and x=25
Using a computer or calculator that provides proportions falling below a specified z-score, determine the approximate proportion for each of the following situations. In each case, assume the values are approximately bell-shaped. (Round your proportions to four decimal places.) A button hyperlink to the SALT program that reads: Use SALT. (a) The proportion of SAT scores falling below 420 for a group with a mean of 500 and a standard deviation of 100. -0.8 Correct: Your answer is correct. (z-score) (approximate proportion)
Answer: uhhhh what
Step-by-step explanation:
what is the percent change in the price of a gallon of gas, to the nearest whole percent? is it an increase or a decrease?
Answer:
13,64% decrease.
Explanation:
[tex]420/3079*100=13,64[/tex]
Express 38% as a decimal number
38
3.8
0.38
Answer:
i think 0.38
Step-by-step explanation:
HELP! whoever gets it right gets brainliest!
Answer:
The answer is B
Step-by-step explanation:
Answer is B
Answer:
The answer is B
Step-by-step explanation:
BBBBBBBBBBBBBBBBBBBBBBBBBB IS THE ANSWER
the formula C = 6p + 200 gives C , the total cost in dollars of hosting a birthday party for p guests at a local ice cream parlor .
A : solve the formula for p .
B : isabella can spend $350 for her birthday party . how many people can she invite ?
What is the value of the expression (2/5+2/5)×3/10?
HELP
[tex]( \frac{2}{5} + \frac{2}{5} ) \times \frac{3}{10} [/tex]
[tex] \frac{4}{5} \times \frac{3}{10} [/tex]
[tex] \frac{6}{25} [/tex]
Decimal Form:
[tex]0.24[/tex]
HopeItHelps you
#CarryOnLearning
△ KLM ∼ △ KCB . What is the value of x?
Answer:
[tex]x=8[/tex]
Step-by-step explanation:
Since the two triangles are similar, write the following proportion:
[tex]\frac{24}{16}=\frac{15}{2x-6}[/tex]
Cross-multiply and solve:
[tex]24(2x-6)=16\cdot 15,\\48x-144=240,\\48x=384,\\\fbox{$x=8$}[/tex].
I NEED HELP!! But it's not an emergency. 50 Points!!
Answer:
D. x = 7 and m∠LMN = 120°Step-by-step explanation:
Since MO bisect angle LMN, the angles formed are congruent:
∠LMO≅∠NMOSubstitute values and solve for x:
13x - 31 = x + 5313x - x = 53 + 3112x = 84x = 7Find the value of ∠LMN:
m∠LMN = 2*m∠LMOm∠LMN = 2(13*7 - 31) = 120°Correct option is D
Here,
MO is bisect of the [tex]\angle{LMN}[/tex],
SO,
[tex]\angle{LMO}[/tex]=~[tex]\angle{NMO}[/tex]
According to the question,
[tex]\bold{ 13x-31=x+53 }[/tex]
[tex]\bold{ 13x-x=53+31 }[/tex]
[tex]\bold{12x=84 }[/tex]
[tex]\bold{x=\dfrac{84}{12} }[/tex]
[tex]\bold{x=7 }[/tex]
Now we find the value of [tex]\angle{LMN }[/tex]
so,
[tex]\angle{LMO}=2×\angle{NMO }[/tex]
[tex]\bold{ 2×(13×7-37) }[/tex]
[tex]\bold{2×(91-31) }[/tex]
[tex]\bold{2×60 }[/tex]
[tex]\bold{120° }[/tex]
Question
If f(x) = x^2 + 7x and g(x) = 3x - 1, what is f(g(x))?
O 9x2 + x + 1
9x2 + 15x - 6
9x2 + 21x-6
9x2 - 27x
Help please
Answer:
9x^2 + 15x -6
Step-by-step explanation:
Your problem → If f(x) = x^2 + 7x and g(x) = 3x - 1, find f(g(x))?
f(x)=x2+7x,g(x)=3x-1,fog(x)=?
g(x)=3x-1,f(x)=x2+7x
fog(x)=f(g(x))
=f(3x-1)
=(3x-1)2+7⋅(3x-1)
=(3x-1)2+21x-7
=(9x2-6x+1)+21x-7
=9x2+15x-6
fog(x)=9x2+15x-6
Please solve the question below 2.0
Answer:
The answer is B
Step-by-step explanation:
Just look at the picture
Write an expression for: the product of 4 and a number. Use x as the variable. Who ever gets it correct first gets brainliest.
2x + 8=12 what is the value of 4x + 2
Answer:
2x + 8 = 12
x = 2
4x = 2 = 10
Step-by-step explanation:
A store owner orders 25 calculators that cost $41 each. The store owner can sell each calculator for $50. The store owner sold 22 calculators to customers. He had to return 3 calculators that were never sold and pay a $5 charge for each returned calculator (although the initial cost is refunded). What is the storeowner's profit?
Answer:
$183
Step-by-step explanation:
He buys 25 calculators for $41 each meaning he spends $1025 in total. He was able to sell 22 calculators for $50 which amounts to $1,100. He then returns and is refunded for the original price of the 3 calculators meaning he gets $123 dollars back but he also has to pay $5 for each calculator he returned which takes away $15 from his profit. $123-$15= $108. ($1,100+$108)-$1025=$183.
pls help!!!! i will give brainly!!!!
Two quantities are related, as shown in the table:
x y
2 3
4 4
6 5
8 6
Which equation best represents the relationship? (4 points)
y = 1 over 2x + 2
y = 1 over 2x + 1
y = x + 2
y = 2x + 1
9514 1404 393
Answer:
(a) y = 1/2x + 2
Step-by-step explanation:
The only equation that matches the first table entry is ...
y = 1/2x +2
3 = (1/2)(2) +2 . . . . first table entry
A line passes through the points (6,-6) and (9,-5). What is it’s equation in point slope form?
Answer:
[tex]y=\frac{1}{3}x-8[/tex]
Step-by-step explanation:
Slope-intercept form of an equation is written as [tex]y=mx+b[/tex], where [tex]m[/tex] is the slope and [tex]b[/tex] is the y-intercept.
The slope of a line that passes through the points [tex](x_1,\: y_1)[/tex] and [tex](x_2, \: y_2)[/tex] is [tex]m=\frac{\Delta y}{\Delta x}=\frac{y_2-y_1}{x_2-x_1}[/tex]. Using the coordinates [tex](6,-6)[/tex] and [tex](9,-5)[/tex] as given in the problem, we have slope of this line to be:
[tex]m=\frac{-5-(-6)}{9-6}=\frac{1}{3}[/tex].
Now using this slope we've found and any point the line passes through, we can find the y-intercept of this equation:
[tex]-6=\frac{1}{3}(6)+b, \\ b=-8[/tex]
Therefore, the equation of this line in slope-intercept form is [tex]\fbox{$y=\frac{1}{3}x-8$}[/tex].
A survey found that 6 out of 8 students own a pet. If there are 320 students in a school, what is a reasonable prediction for the number of students who own a pet?
Answer:
Reasonable prediction = 240 students
Step-by-step explanation:
Given that:
6 out of every 8 students own a pet.
Ratio = 6 : 8
Number of students surveyed = 320
Predicted number of students who own pets = x
Ratio = x : 320
As the relationship is proportional;
6 : 8 :: x : 320
Product of mean = Product of extreme
8x = 320 * 6
8x = 1920
Dividing both sides by 8
[tex]\frac{8x}{8}=\frac{1920}{8}\\x=240[/tex]
Hence,
Reasonable prediction = 240 students
Where art thou smart people
Answer:
a smart person is not me clearly lol
Step-by-step explanation:
HELP ME ANSWER THIS ONE QUESTION ASAP, PLEASE IM BEGGING YOUU
Answer:
16.25
Step-by-step explanation:
What's common between the values 13 and 6.5? Well, 13 divided by 2 is 6.5. To find the other side you simply divide 5 by 2... 2.5. Then multiply 6.5 by 2.5 to get your final answer of 16.25.
8) What is the common ratio for this sequence?
12, 30, 75, 187.5
OA) 18
OB) 5
OC) 0.4
OD) 2.5
Step-by-step explanation:
it will 2.5 this is right answer option D
The common ratio of the sequence 12, 30, 75, 187.5 is 2.5 option (D) is correct.
What is a sequence?It is defined as the systematic way of representing the data that follows a certain rule of arithmetic.
We have a sequence:
12, 30, 75, 187.5
The above sequence is a geometric sequence.
The common ratio can be calculated:
r = 30/12 = 75/30
r = 2.5
Thus, the common ratio of the sequence 12, 30, 75, 187.5 is 2.5 option (D) is correct.
Learn more about the sequence here:
brainly.com/question/21961097
#SPJ2
This function can be used to determine the number of bacteria in a culture h hours after the culture was started.
f(x) = - 10(3)^h
Which statement best describes the meaning of the equation f(2) = 90 ?
Answer:
The statement means that after 2 hours, there are 90 bacteria in the culture.
Step-by-step explanation:
The number of bacteria after x hours is given by the function states in the exercise. We have that f(x) will be the number of bacteria after x hours.
Which statement best describes the meaning of the equation f(2) = 90 ?
The statement means that after 2 hours, there are 90 bacteria in the culture.
Help plz:)))I’ll mark u Brainliest
Answer:
The answer to the question provided is letter c.