please help me with this math assignment

Please Help Me With This Math Assignment

Answers

Answer 1

Answer:

1)80%

2)210%

3)65%

4)105%

Answer 2

Answer:

80%

210%

65%

105%

Step-by-step explanation:

To solve for each of these equations, let's make them fractions first. The denominator will be 20 since that was the goal.

Elena did [tex]\frac{16}{20}[/tex] pushps.

Jada did [tex]\frac{42}{20\\}[/tex] pushups.

Lin did [tex]\frac{13}{20}[/tex] pushups.

Andre did [tex]\frac{21}{20}[/tex] pushups.

To convert this to percentages, let's multiply each by fraction by [tex]\frac{5}{5}[/tex]. This will give us a denominator of 100. The denominator will represent the percentage.

Elena did [tex]\frac{16}{20}[/tex] × [tex]\frac{5}{5}[/tex] = [tex]\frac{80}{100}[/tex] pushps. Elena did 80 percent of the pushups.

Jada did [tex]\frac{42}{20\\}[/tex] × [tex]\frac{5}{5}[/tex] = [tex]\frac{210}{100}[/tex] pushups. Jada did 210 percent of the pushups.

Lin did [tex]\frac{13}{20}[/tex] × [tex]\frac{5}{5}[/tex] = [tex]\frac{65}{100}[/tex] pushups. Lin did 65 percent of the pushups.

Andre did [tex]\frac{21}{20}[/tex] × [tex]\frac{5}{5}[/tex]  = [tex]\frac{105}{100}[/tex] pushups. Andre did 105 percent of the pushups.


Related Questions

if you answer all of these you will get a fat brainless. :) pls help​

Answers

Answer:

1st box- the 3rd option(3215)

2nd box- 3rd option(the one with 5 sides)

3rd box- add 4 and 10

5th box-

700x35= 24,500

900x42= 37,800

6th box-

-[tex]\frac{5}{6}[/tex]

-[tex]\frac{7}{10}[/tex]

7th box-

-divide

-add

-multiply

-subtract

8th box-

6.03$, 6 dollars and 3 cents

9th box- 18 f's

10th box-

1/12, 1/8,1/4,1/3,1/2

Step-by-step explanation:

all i can do rn, sorry.

Get it right get Brainlyist

Rectangle or prism has dimensions shown in the diagram what is the total surface area of the prism in square inches

Answers

Answer:

237.5

Step-by-step explanation:

You brought 1.5 dozen bagels to school. A dozen bagels cost $5.98. You used a coupon that took $1.00 off of the total. How much did you pay for the bagels?
$9.97
$4.98
$7.97
$8.97

Answers

Answer:   (7.97)

Step-by-step explanation:

1 dozen = 5.98

.5 dozen = 2.99

5.98+2.99=8.79 8.79- the 1.00 is (7.97)

hope this helps!

what is the surface area of this rectangular prism with areas of a width of 8 m , 9 m, 6 m ?

Answers

Answer:

340 m²

Step-by-step explanation:

Just multiply each edge of the rectangular prism until you find the surface area of each side then add them together

Milo wants to put a fence around the dog park near his house. He measures the sides and finds they are 7 m and 8 m long. He multiplies 7×2 and 8×2 and finds he needs 30 m of fencing.

Which measurement does 30 m?

Choose 1 answer:

(Choice A)

Perimeter

(Choice B)

Length

(Choice C)

Area

Answers

Answer:

(Choice A) Perimeter

Step-by-step explanation:

It can't be the length, because it states in the question that the length is 7 m

and it can't be the area because lw = 7(8) = 56 is the area.

A : perimeter since the fence is only going around the park

Please help ggdskdsrjcxseyhcdijb​

Answers

Answer:

Help

Step-by-step explanation:

I how can I help you?

Make a circle graph for each set of data.

Top 5 Countries With the Most Post Offices as of 2001
India
144,396
Russia
93,076
China
50,969
United States
39,270
Turkey
28,086
Source: Scholastic Kid’s Almanac

a.
A circle graph. India is about 40 percent; Russia, 30 percent; China, 15 percent; U S, 10 percent; Turkey, 8 percent.
c.
A circle graph. India is about 40 percent; Russia, 15 percent; China, 30 percent; U S, 5 percent; Turkey, 8 percent.
b.
A circle graph. India is about 50 percent; Russia, 15 percent; China, 15 percent; U S, 10 percent; Turkey, 5 percent.
d.
A circle graph. India is about 35 percent; Russia, 30 percent; China, 15 percent; U S, 10 percent; Turkey, 8 percent.



Please select the best answer from the choices provided


A
B
C
D

Answers

Answer:

A

Step-by-step explanation:

edge 2021

The correct option is A circle graph. India is about 40 percent; Russia, 30 percent; China, 15 percent; U S, 10 percent; Turkey, 8 percent.

We have given that,

Make a circle graph for each set of data.

Top 5 Countries With the Most Post Offices as of 2001

India                          144,396

Russia                       93,076

China                        50,969

United States             39,270

Turkey                        28,086

Source: Scholastic Kid’s Almanac

What is the circle graph?

A circle graph is the intersection graph of a set of chords of a circle. It is an undirected graph whose vertices can be associated.

The correct option is A circle graph. India is about 40 percent; Russia, 30 percent; China, 15 percent; U S, 10 percent; Turkey, 8 percent.

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A pair of flip flops is $30. How much will they cost after a 20% discount and 6.5% tax?

Answers

Answer:

$6.39

Step-by-step explanation  

well, 20% of $30 is $6, so then you just have to add on the tax, which is 39 cents, coming to $6.39

Answer:

25.56

Step-by-step explanation:

30 divided by 4 is 6 so 30- 6=24

6.5% of 24=1.56 sooooo           24+1.56=25.56

what are the features of the quadratic function f(×) =×2 +10×+21?​

Answers

A is the correct answer

Or

Vertex = (-5,-4), y-intercept = (0,21), x-intercepts = (-7,0) and (-3,0), axis of

symmetry is x = -5

what music shuld i listin to

Answers

Answer:

conan gray

Step-by-step explanation:

Answer:

Daisy- Ashnniko & Mr. Perfectly Fine- Taylor Swift

Step-by-step explanation:

Which expressions are equivalent?

Answers

Answer:

choice 1) 1/5k - 2/3j and -2/3j + 1/5k

Step-by-step explanation:

Answer:

The first one

Step-by-step explanation:

FIRST TO ANSWER GETS BRAINLYIST
there is no question

Answers

Answer:

hi

Step-by-step explanation:

dam i’m not first :(

How do you solve for 4-9i/-6i

Answers

Answer:

6i

Step-by-step explanation:

If f(x) = 3x + 5, find f(2).

f(2) = ?

Answers

Answer:

[tex]3 \times 2 + 5 = 6 + 5 = 11[/tex]

Mr. Bruce has some clay with a mass of 24 kilograms. If he puts the same amount of clay into 6 bags, how many grams of clay are in each bag? I NEED THE EXPLANATION

Answers

So you do 24 kg divided by six which is 4 so there is 4kg of clay in each bag

Answer:

4000grams in each bag

Step-by-step explanation:

Assume he put x amount of clay into each bag, he then put 6x into 6 bags.(since the question didn’t mention, I assume he put every clay he has into the bags)

6x=24kg

x=4kg

Since the question is asking for grams not kilograms:

4kg=4000g

PLEASE HELP !! ILL GIVE BRAINLIEST !! 100 POINTS

Answers

Answer:

Volume of a cylinder (V) : π x radius ² x height

V = 3.14 x 12² x 13

V = 5878.08 cubic millimeters.

Step-by-step explanation:

There are 1.6 kilometers in a mile find the distance in miles between two towns that are 24 kilometers apart

Answers

15 MILES

1 mile = 1.6 km

1 X
— • —
1.6 24

1.6x = 24

24/1.6 = 15 miles

THIS IS 7TH GRADE MATH SO ITS EASY

Answers

Answer:

b

Step-by-step explanation:

i believe it is the second one sorry if im wrong :/

A gear with a diameter of 12.0 inches makes 35 revolutions every three minutes. Find the linear and angular velocities of a point on the outer edge of the gear. Give your answers in both exact and approximate forms.

Answers

Answer:

Angular velocity: [tex]\omega = \frac{7\pi}{18} \,\frac{rad}{s}[/tex] ([tex]1.222\,\frac{rad}{s}[/tex])

Linear velocity: [tex]v = \frac{14\pi}{3}\,\frac{m}{s}[/tex] ([tex]14.661\,\frac{m}{s}[/tex])

Step-by-step explanation:

The gear experiments a pure rotation with axis passing through its center, the angular ([tex]\omega[/tex]), in radians per second, and linear velocities ([tex]v[/tex]), in inches per second, of a point on the outer edge of the element are, respectively:

[tex]\omega = \frac{2\pi}{60}\cdot \dot n[/tex] (1)

[tex]v = R\cdot \omega[/tex] (2)

Where:

[tex]\dot n[/tex] - Rotation rate, in revolutions per minute.

[tex]R[/tex] - Radius of the gear, in inches.

If we know that [tex]\dot n = \frac{35}{3}\,\frac{rev}{min}[/tex] and [tex]R = 12\,in[/tex], then the linear and angular velocities of the gear are, respectively:

[tex]\omega = \frac{2\pi}{60}\cdot \dot n[/tex]

[tex]\omega = \frac{7\pi}{18} \,\frac{rad}{s}[/tex] ([tex]1.222\,\frac{rad}{s}[/tex])

[tex]v = R\cdot \omega[/tex]

[tex]v = \frac{14\pi}{3}\,\frac{m}{s}[/tex] ([tex]14.661\,\frac{m}{s}[/tex])

If f(x) = x2 – 2x, find:

f(6)=

Answers

Answer:

0

Step-by-step explanation:

When x=6

f(6) =(6)2-2(6)=12-12=0

Answer:

firstly... substitute x for 6 in the equation..

=(6)2 -2(6)

=12-12=0

For each equation, find y when x=-3. Then find x when y = 2
1. y = 6x + 8

Answers

⬇ Hey, the answer is down below! :) ⬇

For y: x = -3

For y it stays the same.

For x: y = 2

For x it stays the same too.

For 1.): [tex]x = \frac{1}{6}y + \frac{-4}{3}[/tex]

Step-by-step explanation:

For y there is no step-by-step explanation unfortunately.

For x there isn't a step-by-step explanation too unfortunately.

⬇ For 1.) there is a step-by-step explanation! ⬇

For step 1 we should flip the equations.

6x + 8 = y

For step 2 we should add -8 to both sides.

6x + 8 + − 8 = y + −8

= 6x = y − 8

For step 3 we should divide both sides by 6.

[tex]\frac{6x}{6} = \frac{y - 8}{6}[/tex]

= x = [tex]x = \frac{1}{6}y + \frac{-4}{3}[/tex]

In result we should have [tex]x = \frac{1}{6}y + \frac{-4}{3}[/tex] as the answer!

Find the surface area of the cone.Use 3.14 for pi and round your answer to the nearest hundredth

Answers

Answer:

145.0 cm^2

Step-by-step explanation:

Given data

r= 4cm

l= 5cm

h=??

Apply Pythagoras theorem to find h we have

h^2= 4^2+5^2

h^2= 16+25

h^2= 41

h=√41

h= 6.4cm

Substitute into the formula for the surface area of cone

A=πr(r+√h^2+r^2)

A=3.14*4(4+√6.4^2+4^2)

A=12.56(4+√40.96+16)

A=12.56(4+√56.96)

A=12.56(4+7.547)

A=12.56*11.547

A=145.0 cm^2

What is the distance between (-4, 8) and (12, 8) on the coordinate plane? A 16 units B 8 units C 0 units D 4 units

Answers

Answer:

16 units

Step-by-step explanation:

We need to find the distance between (-4, 8) and (12, 8) on the coordinate plane.

We know that the distance between two points on the coordinate plane is given by :

[tex]D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

Put x₁ = -4, x₂ = 12, y₁ = 8 and y₂ = 8

So,

[tex]D=\sqrt{(12-(-4))^2+(8-8)^2}\\\\=16\ units[/tex]

So, the distance between the two points is equal to 16 units.

Using the matrix at the right that reprexents rectangle ABCD, list the coordinates of C:

Answers

Answer:

8, -5

Step-by-step explanation:

Can someone pls help me out

Answers

Answer:

50

Step-by-step explanation:

∠J=2×∠L=50

When two angles are subtended by the same arc, the angle at the centre of a circle is twice the angle at the circumference

Answer:

it would also be 25°

Step-by-step explanation:

if you fold it in half then it is symmetrical.

Can someone please help me with this ?

Answers

i believe the area is 704

the area of the square is 484
the area of the triangle is 220
484+220=704

- Scores on an exam are normally distributed woth a population standard deviation of 5.6. A random sample of 40 scores on the exam has a mean of 32 estimate the population mean with - A) 80% confidence - B) 90% - C) 98%

Answers

Answer: i think i got b or c onr of them are correct  :)

Step-by-step explanation:

The estimated population mean with

80% confidence =  [30.856, 33.135]

90% confidence = [30.543, 33.456]

98% confidence =  [29.94, 34.06]

What is confidence interval?

For a population with unknown mean  and known standard deviation , a confidence interval for the population mean, based on a simple random sample of size n, is [tex]\bar x +_{-}z^{*}\frac{\sigma}{\sqrt{n} }[/tex] , where z* is the upper (1-C)/2 critical value for the standard normal distribution.

Population standard deviation = 5.6

Sample mean = 32

Sample size = 40

Given confidence level = 80%

[tex]z^{*}[/tex] at 80% confidence level = 1.28

Upper confidence interval = 33.135

Lower confidence interval = 30.865

Population mean lies between [30.856, 33.135] at 80% confidence level.

Given confidence level = 90%

[tex]z^{*}[/tex] at 90% confidence level = 1.65

Upper confidence interval =33.456

Lower confidence interval = 30.543

Population mean lies between [30.543, 33.456] at 90% confidence level.

Given confidence level = 98%

[tex]z^{*}[/tex] at 98% confidence level = 1.65

Upper confidence interval = 34.06

Lower confidence interval = 29.94

Population mean lies between [29.94, 34.06] at 98% confidence level.

Learn more about confidence interval here

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A man is three times as old as his daughter. If the difference in their ages is 36 years, find the ages of the father and daughter.

Answers

Answer:

man's age = 54

daughter's age = 18

Step-by-step explanation:

x = man's age

y = daughters age

x = 3y

x - y = 36

substitute for x:

3y -y = 36

2y = 36

y = 18

x = 54

If a man has a daughter who is three times his age. The father and daughter will be 54 and 18, respectively, assuming their ages are 36 years distant.

What is an equation?

Equations are statements that affirm the equivalence of two expressions that are joined by the equals symbol "=". An equal sign ("=") links two expressions together to form an equation. The two expressions on each side of the equals sign are referred to as the "left-hand side" and "right-hand side" of the equation.

It is given that, A man is three times as old as his daughter. If the difference in their ages is 36 years,

We have to find the ages of the father and daughter.

Suppose the age of the father and daughter will be x and y respectively.

If the man is three times as old as his daughter,

x = 3y

If the difference in their ages is 36 years

x - y = 36

Put the value of x as,

3y -y = 36

2y = 36

y = 18

x = 54

Thus, if a man has a daughter who is three times his age. The father and daughter will be 54 and 18, respectively, assuming their ages are 36 years distant.

.Learn more about the equation here,

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Find the value of x and the measure of the missing angle

Answers

Answer:

the missing angle=85

x=95

Step-by-step explanation:

180-95=85

Find the missing angle

Answers

Answer:

Answer:[tex] \huge\mathfrak\pink{S} \huge\mathfrak\purple{o} \huge\mathfrak\blue{l} \huge\mathfrak\red{u} \huge\mathfrak\green{t} \huge\mathfrak\pink{i}\huge\mathfrak\purple{o}\huge\mathfrak\red{n}\huge\mathfrak\orange{➔}\ [/tex]

80°+20°+missing angle=180°[ sum of interior angle of a triangle is 180°]

missing angle=180°+100=80°

is your answer

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