The student's mark can be expressed as 65%.
To express the student's mark as a percentage, you need to divide the number of marks obtained by the possible marks and multiply by 100.
In this case, the student got 78 marks out of a possible 120.
Percentage = (Marks Obtained / Possible Marks) * 100
Percentage = (78 / 120) x 100
Percentage = 0.65 x 100
Percentage = 65%
Therefore, the student's mark can be expressed as 65%.
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If a aquadrilateral is equiangular, then it coul be a .....
Multiple choice. A. square
B.rectangle
C.rhombus
D.parallelogram
Answer:
Square
Answer A is correct
Answer:
A- square is the answer
the answer to the question
Answer:
All of the choices.
Step-by-step explanation:
A rational number is one that can be represented by the ratio of two integers. In other words, if you can write the number as a fraction of two whole numbers, then it is a rational number.
All of these numbers can be written this way. Therefore, all of the numbers seen are rational.
I need to find the value of X.
Answer:
44
Step-by-step explanation:
because it looks like a square tilted
The product of two rational numbers is (-28/81). If one of them is (-2/3), the find the other.
Answer:
The other rational number is [tex]\dfrac{14}{27}[/tex].
Step-by-step explanation:
First rational number is [tex]\dfrac{-2}{3}[/tex]
Let other rational number is [tex]\dfrac{x}{y}[/tex]
The product of two rational numbers is [tex]\dfrac{-28}{81}[/tex]
According to question,
[tex]\dfrac{x}{y}\times \dfrac{-2}{3}=\dfrac{-28}{81}[/tex]
Multiplying both sides by (-3/2) such that,
[tex]\dfrac{x}{y}\times \dfrac{-2}{3}\times \dfrac{-3}{2}=\dfrac{-28}{81}\times \dfrac{-3}{2}\\\\\dfrac{x}{y}=\dfrac{14}{27}[/tex]
So, the other rational number is [tex]\dfrac{14}{27}[/tex].
Answer:
The other rational number is . 14
Step-by-step explanation:
Claire Reagan and Anthony deliver newspapers in the neighborhoods clear deliver 79 papers a day Reagan delivers 2490 papers a month Anthony delivers 616 papers a week how many do they deliver together in a year
Answer:
90,747
Step-by-step explanation:
Clair delivery=79 per day
Total delivery per year=79×365 days
=28,835
Reagan delivery=2490 per month
Total delivery per year=2490×12 months
=29,880
Anthony delivery= 616 per week
Total delivery per year =616×52 weeks
=32,032
Total delivery altogether in a year=28,835+29,880+32,032
=90,747
Answer:
Step-by-step explanation:
Clair delivers 79 papers a day.
Assuming that there are 365 days in a year, it means that the number of newspapers that Clair delivers in a year is
79 × 365 = 28835
Reagan delivers 2490 papers a month. There are 12 months in a year. it means that the number of newspapers that Reagan delivers in a year is
12 × 2490 =29880
Anthony delivers 616 papers a week. Assuming that there are 52 weeks in a year, it means that the number of newspapers that Anthony delivers in a year is
52 × 616 = 32032
Therefore, the number of newspapers that they deliver altogether in a year is
28835 + 29880 + 32032 = 90747
An exterior angle of a regular polygon is 72°.
(i) what is the size of each interior angle of the polygon?
(ii) Find the number of sides of the polygon.
Answer:
Exterior angle = 72⁰
As polygon is regular , each interior angle = 180⁰ - 72⁰ = 108⁰
Number of sides :
As the sum of exterior angles is 360⁰ :
n × 72⁰ = 360⁰
n = 360/72 = 5
Need help with this question?
Answer:
if you multiply by powers of 10 then make the decimal point go right.
Answer:
1.23 * 10^-7
Step-by-step explanation:
For decimals smaller than 1 usually something like 0.0000111 you count the decimal places backwards until you get to something greater than 0. So if you have 0.0022 the exponent would be 2.2 * 10^-3
For your problem 0.000000123
There's 6 zeros before you encounter the number thus your exponent is 1.23 * 10^-7
Here's a picture of how to do it!
1. 10pints = ? quarters
2. 48fl oz = ? cups
3. 36pints = ? quarters
4. 5 gallons = ? cups
5. 72 pints = ? gallons
6. 7 cups = ? fl oz
7. 30 quarters = ? gallons
8. 32 cups = ? gallons
Answer:
1. 5quarts
2. 6 cups
3. 18 quarts
4. 80 cups
5. 9 gallons
6. 56fl oz
7. 7.5 gallons
8. 2 gallons
Step-by-step explanation:
Need answer ASAP giving 10 points
Answer:
Step-by-step explanation:
6x10^8 = 600000000
1.5x10^-4 = 0.00015
600000000 divided by 0.00015 = 4e+32
4e+32 is the same as 4x10^-32
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At a sale, dresses were sold for $90 each. This price was 75% of a
dress's original price. How much did a dress originally cost?
Answer:
A dress originally costs $120
Step-by-step explanation:
To find the original cost of the dress, we will follow the steps below;
let x represent the original cost of the dress
75% of x = $90
[tex]\frac{75}{100}[/tex] × x = $90
[tex]\frac{75X}{100}[/tex] = $90
MULTIPLY both-side of the equation by 100
[tex]\frac{75X}{100}[/tex] × 100 = $90×100
At the right-hand side of the equation, 100 will cancel out 100, leaving us with just 75x
75x = $9000
DIVIDE both-side of the equation by 75
75x/75 = $9000/75
At the left-hand side of the equation 75 will cancel-out 75 leaving us with just x
x= $9000/75
x = $120
A dress originally costs $120
Round your answer to the nearest hundredth
Any help will be appreciated thank you
state whether -4^{2} and (-4)^{-2} represent the same quantity. Explain.
Answer:
No
Step-by-step explanation:
-4^2 is -4 * 4 = -16
(-4)^2 = (-4) * (-4) = 16
Order the probability of each event from least (on top) to greatest (on bottom).
Answer:
The sum is less than 5
The sum is odd
The sum is not 7
The sum is not 12
Step-by-step explanation:
P(The sum is less than 5) = 6/36 = 1/6
P(The sum is odd) = 18/36 = 1/2
P(The sum is not 7) = 1 - 6/36 = 30/36 = 5/6
P(The sum is not 12) = 1 - 1/36 = 35/36
Answer:
The sum is less than 5
The sum is odd
The sum is not 7
The sum is not 12
Step-by-step explanation:
The graph of quadratic parent function f was transformed to create the graph of
g(x) = f(x + 2) - 5. Which graph best represents g?
Answer:H
Step-by-step explanation:
Y= (x+2)^2-5
2 to the left x+2=0 x=-2
5 dpwn
Answer:
h
Step-by-step explanation:
Sarah applies the pearl guitar fret markers to her fret board as shown. Each fret marker is in the shape of a parallelogram. Each of the three bottom fret markers has a base that measures 52.5mm and a height of 6mm. What is the area of each of the bottom fret markers? DO NOT INCLUDE UNITS. *
Answer:
Step-by-step explanation:
Since each fret marker is in the shape of a parallelogram, we would determine the area of each of the bottom fret markers by applying the formula for determining the area of a parallelogram. It us expressed as
Area = base × height
Each of the three bottom fret markers has a base that measures 52.5mm and a height of 6mm. Therefore, area of each the bottom fret markers is
52.5 × 6 = 315
A science teacher collects 18 pints of lake water for a lab she is teaching. The lab requires each student to use 4 fluid ounces of lake water. If 52 students are participating, how many pints of lake water will the teacher have left over?
Answer:
The teacher will have 5 pints left.
Step-by-step explanation:
One pint has 16 fluid ounces, therefore if the teacher got 18 pints he has a total of:
lake water = 18*16 = 288 fluid ounces
If each student use 4 fluid ounces, and there are 52 students the class will use:
used = 52*4 = 208 fluid ounces
And the remainder will be:
remainder = 288 - 208 = 80 fluid ounces
remainder = 80/16 = 5 pints
The teacher will have 5 pints left.
A school took £1584 selling tickets.
Each ticket was sold for £8.
How many tickets were sold?
Answer: 198 tickets
Step-by-step explanation: 1584/8 = 198
Evaluate the expression m÷n for m=2 and n=14.
Answer:
1/7
Step-by-step explanation:
Plug in 2 for m, and 14 for n in the expression:
m/n = 2/14
Simplify. Factor out common factors from both the numerator and denominator:
(2/14)/(2/2) = 1/7
1/7 is your answer.
~
Answer:
1/7
Step-by-step explanation:
2/14= 1/7
hope this helps
why is the slope unidentified for vertical lines
Answer:
see below
Step-by-step explanation:
Vertical lines have the same x coordinates
The slope is given by
m = (y2-y1)/(x2-x1)
The x values are the same
m = (y2-y1)/(x-x)
m = (y2-y1)/ 0
Any number, except 0, divided by 0 is undefined
Bob Tina and Hadley went running. Bob ran for 3/8 hour, Tina ran for 3 4/9 hours, and Hadley ran for 4 19/29 hours. Which running times can be written as improper fractions
Answer: 3 4/9 and 4 19/29
Step-by-step explanation: Mixed fractions can be converted into improper fractions. Example: 3 1/2=
3×2+1= 7/2
So, 3 4/9= 3×9+4= 31/9
4 19/29= 4×29+19= 135/29
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An improper fraction is one in which the numerator is bigger than the denominator, which means the value of the fraction is more than ' 1 ' .
Bob petered out after only 3/8 of an hour. This number is less than ' 1 ', so if it's left in the form of hours, it can't be an improper fraction. If Bob wants his effort to look more impressive, he might try to describe his performance as 22.5 minutes. THAT number could be written as an improper fraction, (45/2 minutes), but somebody would be sure to notice his trick, and they would laugh at him.
Tina and Hadley both ran longer than 1 hour, so both of them could write their times directly as improper fractions, without any deceptive monkey business.
Tina . . . 3-4/9 hours . . . 31/9 hours
Hadley . . . 4-19/29 hours . . . 135/29 hours
Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle: A: (2, -6) B: (5, -6) C: (5, -2) D: (2, -2). What is the perimeter of ABCD.
Answer:
14
Step-by-step explanation:
Graph all the points on a coordinate grid. Two sides are 4 units each and the other two sides are 3 unites each.
P = 2(l + w)
P = 2(3 + 4)
P = 6 + 8 ← (The distributive property) OR 2(7) ← (Normal way to solve)
P = 14 units and 14 units.
You could also do addition.
P = 3 + 3 + 4 + 4
P = 6 + 8
P = 14 units
Hope this helped!
Asked 4 times, please help
Answer:
Denote the two points are A and B, the balloon is C. Then we have,
Side AB = 9 miles
Angle CAB (angle A) = 27 deg
Ange CBA (angle B) = 45 deg
=> Angle ACB (angle C) = 180 - 27 - 45 = 108 deg
Applying the sine theorem:
AB/sinC = BC/sinA
=> BC = AB x sinA/sinC = 9 x sin27/sin108 = 4.3 miles
Denote CH as the height from C to side AB (or distance from ground to balloon), we have:
CH = BC x sin B = 4.3 x sin*45 = ~3.04 miles
=> Distance from ground to balloon: ~3.04 miles
Hope this helps!
:)
Answer:
3.0 miles
Step-by-step explanation:
Let h be the height
Tan(27) = h/b
h = btan(27)
Tan(45) = h/(9-b)
(9-b)tan(45) = h
(9-b)tan(45) = btan(27)
9tan(45) = b[tan(45) + tan(27)]
b = 5.962138633
h = btan(27) = 3.037861367
What is the area A of each cookie ?
Answer:
16pi or approx. 50.26
Step-by-step explanation:
Since the diameter of each cookie is 8 cm, the radius of each cookie will be 4 cm. We can use the area of the circle formula (A = πr²), we can find that the area of each cookie is 16π, or around 50.26
Answer:
A = 16π
I hope I helped you! If I am correct, please mark me brainiest. Thanks!
Triangle
A
′
B
′
C
′
is the image of
Triangle
A
B
C
under a rotation about point
Q
Determine the angle of rotation
A:-165 degrees
B:-120 degrees
C:165 degrees
D:120 degrees
Answer:
The correct answer is 120. Thank me later.
Step-by-step explanation:
I need help with maths
Answer:
what's your question?
Step-by-step explanation:
i need help asap!!!!! pls you’ll earn brainlist
Answer:
1 % decrease
Step-by-step explanation:
The percent of decrease time can be written as the expression [tex]\frac{200}{200}-\frac{198}{200} = \frac{2}{200}.[/tex] Now, we convert the fraction into a decimal: [tex]\frac{2}{200} = \frac{1}{100} = 0.01.[/tex] We can convert this decimal into a percentage: 0.01*100 = 1%.
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Can someone answer this question please please help me I really need it if it’s correct I will mark you brainliest .
Answer:
As I divided in the picture,
Total area = area of triangle + area of 2 rectangles
= base x height/2 + length1 x width1 + length2 x width2
= 15 x (15 + 3 + 5 - 3)/2 + 3 x 4 + 8 x (3 + 5)
= 226
Hope this helps!
:)
You have to solve for y
Answer:
[tex]y = 2 \sqrt{5} [/tex]
Step-by-step explanation:
[tex]y^{2} = ef = 5 \times 4 = 20[/tex]
[tex]y^{2} = 20[/tex]
[tex] \sqrt{y} = \sqrt{20} [/tex]
[tex]y = 2 \sqrt{5} [/tex]
a square blanket has an area of 64 square feet. find the length of one side of the blanket
Answer:
The length of one side of the blanket is [tex]8ft[/tex]
Step-by-step explanation:
This problem bothers on the mensuration of solid shapes, a square shape.In this problem we are expected to find the side of the square shape.
we know that the area of the square is expressed as
[tex]area= length * width[/tex]
but a square shape has all sides equal hence
[tex]area= length* length\\[/tex]
[tex]area= l^{2}[/tex]
substituting our area and squaring both side to find l we have
[tex]64= l^{2} \\l= \sqrt{64} \\l= 8 ft[/tex]
I need help fast please I need help:)
Answer:
35 degrees
Step-by-step explanation:
a triangle has 180 degrees so 70 + 75 + x = 180
solve for it and you get 35 degrees.
Answer:
x = 35
Step-by-step explanation:
We know that the sum of all the angles inside a triangle is 180°. We can solve for x by setting up the simple equation x + 70° + 75° = 180°
You would then use subtraction to get x by itself by subtracting 70° and 75° from the left and right side of the equation.
This would leave you with the answer, x = 35°