Answer:
Find the area of the semi circle with Diameter of 4
2π
6.3
Step-by-step explanation:
The area formula for semicircle is (πr^2)/2.
r=2 because radius is half of diameter.
(π(2)^2)/2, 2 squared= 4 and half of it is 2. = 2π
2π would round to the nearest tenths is 6.3.
The area of the semi circle with Diameter of 4 is, 6.28 unit².
What is Circle?The circle is a closed two dimensional figure , in which the set of all points is equidistance from the center.
Given that;
Diameter of semicircle = 4
Now,
Radius of semicircle (r) = 4/2
= 2
We know that;
⇒ Area of semicircle = πr
Where, 'r' is radius of circle.
Hence, The area of the semi circle with radius 2 is,
⇒ Area of semicircle = πr²/2
⇒ Area of semicircle = 3.14 × 2² / 2
⇒ Area of semicircle = 6.28 unit²
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Write this equation c + 25/ 100c as a coefficient fraction PLZ HELP !!! Really Apreciate
Answer: 5/4c
Step-by-step explanation:
Hi, to answer this question we simply have to solve the equation given:
Coefficients are the numbers next to the variable; in this case, the variable is c.
c + 25/ 100c
1/1 c +25/100c
100/100c +25/100 c
125/100 c
5/4c
Feel free to ask for more if needed or if you did not understand something.
please help will mark brainlest
Answer:
14 square inches
Step-by-step explanation:
Given shape is obtained by joining two rectangles of dimensions 4 by 2 inches and 3 by 2 inches.
Hence,
[tex]Area \: of \: the \: figure \\ = 4 \times 2 + 3 \times 2 \\ = 8 + 6 \\ = 14 \: {inches}^{2} [/tex]
Given the rational expressions 7/(x ^ 2 - 12) and (2x - 1)/(x + 2) which of the following is true?
Answer:
option C
Step-by-step explanation:
[tex]\frac{\frac{2x-1}{x+2}}{\frac{7}{x^{2}-12}}=\frac{2x-1}{x+2}*\frac{x^{2}-12}{7}\\\\\\=\frac{(2x-1)(x^{2}-12)}{7(x+2)}[/tex]
I have a square piece of paper with a height of 8cm and a width of 8cm
i fold it in half to makea triangle Z
what is the area of triangle d
thanks! Will mark as brainliest
Answer:
The area of triangle is 32 cm².
Step-by-step explanation:
When you fold a square into triangle, the length of sides will still be the same. So using area of triangle formula, you are able to find the area :
[tex]area = \frac{1}{2} \times width \times height[/tex]
Let width = 8cm,
Let height = 8cm,
[tex]area = \frac{1}{2} \times 8 \times 8[/tex]
[tex]area = \frac{1}{2} \times 64[/tex]
[tex]area = 32 \: {cm}^{2} [/tex]
Given:
Height, h = 8 cmBreadth, b ( or width ) = 8 cmTo find out:
Find the area of half fold paper ( triangle) ?
Formula used:
Area of triangle = ½ × b × h
Solution:
We know that,
Area of triangle = ½ × b × h
☆ Substituting the values in the above formula,we get
Area of triangle = ½ × 8 × 8
= 4 × 8
= 32 cm²
Hence the area of given triangle is 32 cm².
The length of a window in Andrew's house is 4 feet and its height is 3 feet.
What is the diagonal length of the window?
O A) 2 ft
O C 8 ft
O B) 5 ft.
O D) 12 ft.
The solution for this problem is:
To get the diagonal length of a square, multiply the length of one side by the square root of 2:If the length of one side is x.
length of diagonal = x √2
length of a diagonal = 4√2
length of a diagonal = 5.6569 feet
Use the Pythagorean theorem
Diagonal = sqrt(4^2 + 3^2)
Diagonal = sqrt( 16 + 9)
Diagonal = sqrt(25)
Diagonal = 5
Which is a simplified form of the expression -6a + 2(2a + 2)? A. -2a + 4 B. -2a – 4 C. 2a + 4 D. 2a – 4
Answer:
A
Step-by-step explanation:
-6a+2(2a+2)
-6a+4a+4
-2a+4
Answer:
-2a+4 is the answer
we need to follow BODMAS rule
Navid has $72 in her savings account. Each week she saves $24. When will navid have the total savings of $288
write an equation you can use to solve the problem.
Can someone plz help me solved this problem! I need help! I will mark you as brainiest !
Answer:
275
Step-by-step explanation:
If they pay $2,200 to screen a movie and charge $8 a head then it's just division. 2200/8 is equal to 275.
the tickets should be 275 tickets..
Find the percent of change from 3,545 pt to 709 p
Answer:
80%
Step-by-step explanation:
We need to find the percent of change from 3,545 pt to 709 pt.
Original value is 3,545
Changed value is 709
Percent change is given by :
[tex]\%=\dfrac{\text{difference in values}}{\text{original value}}\times 100\\\\\%=\dfrac{3545-709}{3545}\times 100\\\\\%=80\%[/tex]
So, there is 80% of change from 3,545 pt to 709 pt.
A newspaper conducted a survey to find out how many high school students play video games.The two ways table below displays the data from the survey. Based on these data in the table, which statement is true? A) There were 2,451 boys surveyed, and about 29% of them play video games. B) There were 2,996 girls surveyed, and about 45% of them play video games. C) There were 5,447 students surveyed, and about 54% of them do not play video games. D) There were 2,493 students surveyed, and about 34% of them are girls who do not play veideo games.
Answer:
Step-by-step explanation:
Given that
We are given the following:
1. Boys who do play video games = 1593
2. Boys who do not play video games = 858
3. Total boys = 2451
4. Girls who do play video games = 1361
5. Boys who do not play video games = 1635
6. Total Girls = 2996
7. Total number of candidates = Total boys + Total girls
=(2451 + 2996) = 5447
8. Total number of students, who play video games = 2954
9. Total number of students, who do not play video games = 2493
Percentage of boys who play video games:
[tex]\dfrac{1593}{2451} \times 100 = 64.99\%[/tex]
So, option A is not correct.
Percentage of girls who play video games:
[tex]\dfrac{1361}{2996} \times 100 = 45.43\%[/tex]
so option B is correct. The percentage is near about 45%,
Percentage of Total number of students, who do not play video games:
[tex]\dfrac{2493}{5447} \times 100 = 45.77\%[/tex]
So, option C is not correct.
Find the point-slope equation for the line
that passes through the points (5, 19) and
(-5, -1). Use the first point in your equation. please help :/
y- [?]=[?](x-[?])
Answer:
work is shown and pictured
The point-slope form of the line is [tex]y-19=2(x-5)[/tex].
Important information:
A line passes through the two points [tex](5,19)[/tex] and [tex](-5,-1)[/tex].Use the first point in the equation.We need to find the point-slope equation for the line
Point-slope equation:The point-slope form of a line that passes though the points [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex] is:
[tex]y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)[/tex]
Substitute [tex]x_1=5,y_1=19,x_2=-5,y_2=-1[/tex].
[tex]y-19=\dfrac{-1-19}{-5-5}(x-5)[/tex]
[tex]y-19=\dfrac{-20}{-10}(x-5)[/tex]
[tex]y-19=2(x-5)[/tex]
Thus, the point-slope form of the line is [tex]y-19=2(x-5)[/tex].
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how many gumballs did jason eat? if he had 25 and now has 18
Answer:
7
Step-by-step explanation:
25-18=7
hope this helps.
Solution,
Total gumballs=25
Remaining=18
Now,
total- remaining
=25-18
=7
Hope it helps
Good luck on your assignment
A circular flower bed is 15 m in diameter and has a circular sidewalk around it that is 3 m wide. Find the area of the sidewalk in square meters. Use 3.14 for pi π.
Answer:
346.19 m²
Step-by-step explanation:
The diameter of the circular flower bed is 15 m and the length of the sidewalk round the flower bed is 3 m.
This means that an extra length of 3 m is added on each side.
The joint diameter of the flower bed and sidewalk is:
15 + 3 + 3 = 21 m
The radius is half of the diameter, that is 10.5 m
The area of the sidewalk is therefore:
A = pi * r²
Where r = radius
A = 3.14 * 10.5²
A = 346.19 m²
Sung borrowed money from his parents over the last three days. This is represented by the negative values in the table. What is the total of the values? What is the average of the values?
Answer:
-9 and -3
Step-by-step explanation:
I hope this helps!
Answer:
-9 -3 because -2+-3= -5+-4= -9 and the number in the middle of -2 and -4 is -3
Step-by-step explanation:
The fifth graders to plant a butterfly garden. Clover grows in ½ of the garden, daisies in ¼ of the garden, coneflowers in ⅛ of the garden, and milkweed in ⅛ of the garden. The fifth graders notice that the butterflies land on the clover, and milkweed. What fraction of the garden do the butterflies use?
Answer:
Fraction of the garden used = [tex]\frac{5}{8}[/tex]
Step-by-step explanation:
The fifth graders to plant a butterfly garden.
We are given that
Clover grows in ½ of the garden
Daisies grow in ¼ of the garden
Coneflowers grow in ⅛ of the garden
milkweed grows in ⅛ of the garden
The fifth graders notice that the butterflies land on the clover and milkweed.
We are asked to find out the fraction of the garden that the butterflies used.
Fraction of the garden used = clover + milkweed
Fraction of the garden used = [tex]\frac{1}{2} + \frac{1}{8}[/tex]
The LCM of 2 and 8 is 8
Fraction of the garden used = [tex]\frac{4 +1}{8}[/tex]
Fraction of the garden used = [tex]\frac{5}{8}[/tex]
Therefore, the butterflies used [tex]\frac{5}{8}[/tex] fraction of the garden.
On day t=0t=0t, equals, 0, the stock is at its average value of {\$}3.47$3.47dollar sign, 3, point, 47 per share, but 91.2591.2591, point, 25 days later, its value is down to its minimum of \$1.97$1.97dollar sign, 1, point, 97.
Answer:
S(t) = a.sin (b.t) + d
a = -1.5, b = (2π/365), d = 3.47
S(t) = -1.5 sin (2πt/365) + 3.47
Step-by-step explanation:
Complete Question is presented in the attached image to this solution.
- Dingane has been observing a certain stock for the last few years and he sees that it can be modeled as a function S(t) of time t (in days) using a sinusoidal expression of the form
S(t) = a.sin(b.t) + d.
On day t = 0, the stock is at its average value of $3.47 per share, but 91.25 days later, its value is down to its minimum of $1.97.
Find S(t). t should be in radians.
S(t) =
Solution
S(t) = a.sin(b.t) + d.
At t = 0, S(t) = $3.47
S(0) = a.sin(b×0) + d = a.sin 0 + d = 3.47
Sin 0 = 0,
S(t=0) = d = 3.47.
At t = 91.25 days, S(t) = $1.97
But, it is given that T has to be in radians, for t to be in radians, the constant b has to convert t in days to radians.
Hence, b = (2π/365)
S(91.25) = 1.97 = a.sin(b×91.25) + d
d = 3.47 from the first expression
S(t = 91.25) = a.sin (91.25b) + 3.47 = 1.97
1.97 = a.sin (2π×91.25/365) + 3.47
1.97 = a sin (0.5π) + 3.47
Sin 0.5π = 1
1.97 = a + 3.47
a = -1.5
Hence,
S(t) = a.sin (b.t) + d
a = -1.5, b = (2π/365), d = 3.47
S(t) = -1.5 sin (2πt/365) + 3.47
Hope this Helps!!!
Please answer CORRECTLY !!!!! Will mark BRIANLIEST !!!!!!!
Answer:
x = -9, x = -2
Step-by-step explanation:
[tex]x^2 + 11x + 18 = 0[/tex]
What multiplies to get 18 and adds to get 11?
9 and 2
(x + 9) (x + 2)
x = -9 x = -2
Can someone help me with my online homework please!!!
Answer:
26cm^2
Step-by-step explanation:
To calculate area of a triangle we multiply height with base and that divided by two
13 × 4 ÷ 2 = 26cm^2
what is the value of the expression 2(×+4) -(y×8) A. 11/4 B. 65/2 C. 21/4 D. 27/4
Answer:
27/4
Step-by-step explanation:
2x + 8 - 8y
2x - 8y + 8
2 * (1/8) - [ 8 * (3/16)] +8
(1/4) - (3/2) + 8
[tex]\frac{1 - 6 + 32}{4} = \frac{27}{4}[/tex]
Write in standard form
iii)
0.0000574
Answer:
Forest are going up
Step-by-step explanation:
Because leeds will bottle it
Find the area. Thank you!
Answer:
5.78
Step-by-step explanation:
S=[tex]\frac{1}{2}[/tex](a+b)*h
a = 1.8
b = 5
h = 1.7
S = [tex]\frac{1}{2}[/tex](1.8+5)*1.7
S = (6.8*1.7)/2
S = 11.56/2
S = 5.78
what type of solutions does this equation have
Answer:
two imaginary numbers
Step-by-step explanation:
When a volcano erupts, the height of the peak is reduced and the upper portion is removed. The height of a volcano after it erupted was 8,219.5 feet. This was 85% of the original height. What was the original height?
Answer:
9,670
Step-by-step explanation:
8,219.5 ÷ 85% (0.85) = 9,670
The height of the volcano is reduced after the eruption, then the original height of the volcano is 9670 feet.
What is the Percentage?The Latin term "per centum," which signifies "by the hundredth," was the source of the English word "percentage." Segments with a denominator of 100 are considered percentages. In other terms, it is a relationship where the worth of the entire is always considered to be 100.
As per the given information in the question,
Height of the volcano after eruption = 8,219.5 feet
Let the original height of the volcano is x.
85% of x = 8219.5
x = (8219.5 × 100)/85
x = 9670 feet.
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There are 4 cookies if there is 1/4 of a cookie in each bag how many bags will there be
Answer:
there will be 16 bags
Step-by-step explanation:
What is the area of the circle below? (Hint: you need to find the radius first)
A. 1808.64 square meters
B. 75.36 square meters
C. 452.16 square meters
D. 150.72 square meters
Other: Comment
Answer:
A =452.16 m^2
Step-by-step explanation:
The diameter is 24, so the radius is 1/2 of the diameter
r = 24/2 = 12
The area of a circle
A = pi r^2
A = 3.14 * (12)^2
A =452.16 m^2
The right answer is 452.16 square meters.( option C)
please see the attached picture for full solution
Hope it helps
Good luck on your assignment..
What is the expression 44 degrees equal to?
Answer: 3) cos 46 degrees
Step-by-step explanation:
Translate (11, 3) 8 units up and 14 units left
What’s the answer
Answer: 3, 11
Step-by-step explanation:
Y= 3+8 = 11
X= 11-14=3
How do I solve this problem?
Answer:
5.3 cm
Step-by-step explanation:
[tex]area \: of \: \triangle = \frac{1}{2} \times base \times height \\ \\ 10.6 = \frac{1}{2} \times base \times 4 \\ \\ 10.6 = base \times 2 \\ \\ base = \frac{10.6}{2} \\ \\ base = 5.3 \: cm[/tex]
At Challenger School, 2/3 of the students play basketball. Out of the students who play basketball, 1/4 of the students also play an instrument. What fraction of the students at Challenger School play both basketball and an instrument? *
Answer:6/12
Step-by-step explanation:
Drag values to complete each equation. 95⋅9‐993 =? (94)3⋅9‐14 = ? options: 9 to the power of 7 9 to the power of negative 7 9 to the power of negative 2 9 to the power of negative 1
Answer:
2 9
Step-by-step explanation: yikes