Answer:
640/20 is 32
hope it's helpful
When the number 640 is divided by the number 20, the result is 32.
To divide 640 by 20, we perform long division or use the concept of division as the inverse of multiplication. By dividing 640 by 20, we are essentially finding how many times 20 can be evenly divided into 640.
On Dividing 640 by 20 yields a quotient of 32. This means that 20 can be divided into 640 exactly 32 times, without any remainder.
Thus, 640 divided by 20 is equal to 32. In simpler terms, if we distribute 640 items into 20 groups, each group will contain 32 items.
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10. If the radius of a circle is 40 inches, what is the area of the circle? *
Answer:
The formular for the area of a circle is as follows;
[tex]area = \pi {r}^{2} [/tex]
r » radius, r is 40 in
[taking π to be 3.14]
substitute:
[tex]area = (3.14) \times ( {40)}^{2} \\ \\ { \boxed{ \boxed{area = 5024 \: \: in {}^{2} }}}[/tex]
Help for brainliest plx
Answer:
1) 2x cube - 3x square + 9x
2) 4z to the power of 6 + z to the power of 5 - 11z to the power of 4 - 6z square
3) 9a to the power of 7 - 5a to the power of 6- 13a to the power of 5
can anyone help? please
Step-by-step explanation:
BCD = 180- 100 = 80
the opposite angles of a parallelogram are of equal measure
SO DAB = X = 80
The sum of all parallelogram angles = 360
360 - 160 = 200
200 equals the measure of angle ADC + ABC
ABC = ADC
200 = 2ABC
ABC = 100
ADB = DBC = 30
Y = 100 - 30 = 70
another way to find y is using the rule that says that the sum of the triangle ADB angles = 180
180 = 80 + 30 + y
y = 70
Find the distance between the two points P(-7,-2) and Q(-1,6).
Round your answer to the nearest 10h if necessary.
Answer:
10
Step-by-step explanation:
√(x2 - x1)² + (y2 - y1)²
√[-1 - (-7)]² + [6 - (-2)]²
√(6)² + (8)²
√(36) + (64)
√100
= 10
When are two geometric shapes considered similar?
Answer:
hope this helped :)
Step-by-step explanation:
Sometimes, two similar or congruent objects may be regarded as having a different shape if a reflection is required to transform one into the other. For instance, the letters " b " and " d " are a reflection of each other, and hence they are congruent and similar, but in some contexts they are not regarded as having the same shape.
Answer:
if their corresponding angles are congruent
Step-by-step explanation:
simplify -8(4-3x)-(p+8)
Answer: 24x - p - 40
Step-by-step explanation:
Given expression
-8 (4 - 3x) - (p + 8)
Expand the parentheses and apply the distributive property if necessary
=-32 + 24x - p - 8
Combine like terms
=24x - p - (32 + 8)
=[tex]\boxed{24x-p-40}[/tex]
Hope this helps!! :)
Please let me know if you have any questions
15. the quotient of 5 and a number squared
Answer:
15/5=3 I looked it up on the site that starts with g and end with e
Step-by-step explanation:
Write as a decimal:
Explain...
1 7/12
Answer:
1 7/12 = 1.58
Step-by-step explanation:
If you divide 7 by 12, you will get 0.583... If you add 1 in the ones, that'll be
1.583... or 1.58.
What is 3/4 divided 1/2
Answer:
.375
Step-by-step explanation:
a movie theater sold 48 child tickets the other 2 tickets it sold were adult tickets what is the ratio of the number of adult tickets to the numberbof child tickets
Answer:
1 to 24 or 1:24
Step-by-step explanation:
1.) First , divide 2 by 2
2.) divide 48 by 2
3.so, for every adult ticket, there were 24 child tickets
or 1:24
the sum of two numbers is 36. find the numbers whose sum of their square is in minimum
Answer:
512 is the minimum sum of the squares, when both numbers are 16.
Step-by-step explanation:
Make the two numbers equal. 16² + 16² = 256 + 256 = 512
Make the two numbers as far away as possible. 32² + 0² = 1024 + 0 = 1024.
The two numbers are 18 and 18 and the sum of their squares is 648 which is the minimum
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the first number be = x
Let the second number be = 36 - x
Now ,
The sum of two numbers = 36
So ,
For both the numbers to be in their minimum value , the number will be half the original number
So ,
2x = 36
Divide by two on both sides , we get
x = 18
So , the two numbers are 18 and 18
Now ,
The sum of the squares of numbers A should be minimum ,
So ,
A = 18² + 18²
A = 324 + 324
A = 648
Therefore , the sum of the squares of two numbers is 648
Hence , The two numbers are 18 and 18 and the sum of their squares is 648 which is the minimum
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Which numbers are irrational? Select all that apply.
A. 100
B. 36
C. 27
D. 47
Answer:
none
Step-by-step explanation:
All are rational numbers because each number can be expressed as the quotient of 2 integers:
100÷1
36÷1
27÷1
47÷1
Graph the solution set to this inequality. -2(x + 6)>-4x
Answer:
-2(x + 6) > -4x-2x - 12 > -4x4x - 2x > 122x > 12x > 6x ∈ (6, + ∞)The graph is attached below
Answer:
[tex]x > 6[/tex]
Hope this help;):::
Use the mean formula to write an equation to estimate x , the number of students who attended the fourth meeting.
c. Solve the equation in part (b) to find the number of students who attended the fourth meeting.
answer gets brainliest
The required formula to find the number of students who attended the fourth meeting is 80 = 56 + x
Using the mean formula, the number of students who attended the fourth meeting is 24
Formula to obtain the mean :
Mean = ΣX/ n
X = number of students that attended each meeting
n = number of meetings
X = meeting 1 + meeting 2 + meeting 3 + meeting 4
n = 4
Mean = 20
Let number of students who attended 4th meeting = x
Mean = ΣX/ n
20 = (18 + 21 + 17 + x) / 4
80 = 56 + x
x = 80 - 56
x = 24
Hence, 24 students attended the fourth meeting.
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can someone please help me ?
the picture is attached below
what is the x- intercept of the function graphed below ?
A. (6,0)
B. (2.0)
C. (0.6)
D. (0.2)
Please help me on this please
Answer:d
Step-by-step explanation:
A drawing class was assigned a final project where students had to choose one art medium and one subject. The teacher kept track of the types of projects submitted.
The probability that a student used chalk is 0.3, the probability that a student chose to draw a plant is 0.6, and the probability that a student used chalk and chose to draw a plant is 0.2.
What is the probability that a randomly chosen student used chalk or chose to draw a plant?
Using probability concepts, it is found that: 0.7 = 70% probability that a randomly chosen student used chalk or chose to draw a plant.
-----------------------------
I am going to treat the probabilities of these events as Venn probabilities, stating that:
Probability A: student used a chalk.Probability B: student chose to draw a plant.-----------------------------
0.3 probability of a student using a chalk, thus [tex]P(A) = 0.3[/tex]0.6 probability that the student chose to draw a plant, thus [tex]P(B) = 0.6[/tex]0.2 probability of both, thus [tex]P(A \cap B) = 0.2[/tex].-----------------------------
The probability of chalk or plant is:
[tex]P(A \cup B) = P(A) + P(B) - P(A \cap B)[/tex]
From the bullet points:
[tex]P(A \cup B) = 0.3 + 0.6 - 0.2 = 0.7[/tex]
0.7 = 70% probability that a randomly chosen student used chalk or chose to draw a plant.
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What is the square root of 8 rounded to the nearest hundredth
Answer:
2.83
Step-by-step explanation:
The square root of 8 rounded to the nearest hundredth is 2.83
Which statement is true about the two lines whose equations are given below?
y = 1/4x + 2
y = -4x + 9
A.The lines are parallel.
B.The lines are perpendicular.
C.
The lines intersect but are not perpendicular.
D
The lines coincide.
Alexander earns $11.50 per hour working at the nearby grocery store last week Alexander worked for 13 1/2 hours how much money did Alexander earn last week round your answer to the nearest penny.
Answer:mzxm m mccaca
Step-by-step explanation:s,cscbsmc msc cmca
PLSSS HELP! WILL MARK BRAINLIEST! reflections. IF YOU DON'T KNO PLS DON'T PUT ANYTHING. :)))
Study the points and corresponding images in the coordinate plane below.
Answer:
D
Step-by-step explanation:
x=4 is a vertical line so A and B are wrong.
D and D' are equidistant from the line of reflection so D is right
(4 + 18 ➗3) x 4 - 3 evaluate each expression
Answer:
Step-by-step explanation:
(4 + 6) x 4 - 3
10 x 4 -3
40 -3
37
Answer:
37
Step by Step solution:
Using BODMAS
(4 + 6) X 4 - 3
10 X 4-3
40-3
37
Solve for t. Express your answer in simplest and exact form.
[tex]z=q_{1}t+t\frac{1}{2}ht^{2}[/tex]
Answer:
t = sqrt((2 z)/h + ((q_1)^2)/(h^2)) - q_1/h or t = -q_1/h - sqrt((2 z)/h + ((q_1)^2)/(h^2))
Step-by-step explanation:
Solve for t:
z = (h t^2)/2 + t q_1
z = (h t^2)/2 + t q_1 is equivalent to (h t^2)/2 + t q_1 = z:
(h t^2)/2 + t q_1 = z
Divide both sides by h/2:
t^2 + (2 t q_1)/h = (2 z)/h
Add q_1^2/h^2 to both sides:
t^2 + (2 t q_1)/h + q_1^2/h^2 = (2 z)/h + q_1^2/h^2
Write the left hand side as a square:
(t + q_1/h)^2 = (2 z)/h + q_1^2/h^2
Take the square root of both sides:
t + q_1/h = sqrt((2 z)/h + q_1^2/h^2) or t + q_1/h = -sqrt((2 z)/h + q_1^2/h^2)
Subtract q_1/h from both sides:
t = sqrt((2 z)/h + ((q_1)^2)/(h^2)) - q_1/h or t + q_1/h = -sqrt((2 z)/h + q_1^2/h^2)
Subtract q_1/h from both sides:
Answer: t = sqrt((2 z)/h + ((q_1)^2)/(h^2)) - q_1/h or t = -q_1/h - sqrt((2 z)/h + ((q_1)^2)/(h^2))
Simplify the expression where possible.
( t ^9 ) ^-8
Answer:
1/t^72
Step-by-step explanation:
this is in the simplest form
Plz help me solve this ill award brainly
Answer:
x = 25 Degrees
Step-by-step explanation:
74-49 to make 25. The 74 represents the who entire angle. The 49 represents the smaller bottom angle. To get the other angle you would subtract 49 from 74 to make 25 degrees.
There are 60,659 people under the age of 14 years old
There are 215,927 people age between 15 and 64 years old
There are 36,610 people over the age of 65 years old
What is the Old Age Dependency Ratio as a decimal rounded to
the Thousandths place?
Answer:
(2,800/1,500) * 100 = 187%
Step-by-step explanation:
bob and rob in ratio 3:4 and their age 4 years ago was 5:7 find their ages
please answer (asap)
thnx pls do in one variable
Answer:
Present Day:
Bob:Rob:Difference
3 : 4 : 1
6 : 12 : 2
4 years ago:
Bob:Rob:Difference
5 : 7 : 2
Given the piecewise function shown below, select all of the statements that
are true.
F(x)= [-x+1, x <0]
[-2,x=0]
[x ² – 1, x > 0]
A) f(4) = 7
B) f(1) = 0
C) f(-1)=2
D) f(- 2) = 0
9514 1404 393
Answer:
B, C
Step-by-step explanation:
The attached shows the function values for x={4, 1, -1, -2} are {15, 0, 2, 3}.
Statements ...
f(1) = 0f(-1) = 2are correct.
There were 7 roses in the vase. Melanie cut some more roses from her flower garden. There are now 12 roses in the vase. How many roses did she cut?
hi <3
just subtract the two values
12-7 = 5
she cut 5 roses.
hope this helps :)
Answer:
5
Step-by-step explanation:
12-7=5 so so she cut 5 from her garden.
Pls answer these questions
Step-by-step explanation:
Objective; Translating points
A translation is when we moving figures and points. We can represent a transformation algebraically and geometrically.
Algebracially:
[tex](x + h)[/tex]
where h is the amount of units we move right or left
and
[tex](y + k)[/tex]
where k is the amount of units we move up or down
For 1. We are asked to translate the figure 3 units up and 7 units to the left.
7 units to the left is the same as subtracting 7 . from x valyes. and 3 units up is is same as adding 3 units to the y values, so subtract 7 from every x coovalues. and add 3 to every y value. is
Our new coordinates
E is (-5,3) F is (-2,4) G is (-3,5) H is (-5,5).
2. 6 units right and 8 units up is basically add 6 to every x value and add 8 to every y value.
So our new coordinates is
T' (1,3)
U' (4,3)
V'(4,5)
W'(1,5)
