Mathematics High School

your friends show you a coin collection .in it 45/50 of the coins are quarters.what percent of the coins are quarter

Answers

Answer 1

Answer:

90%

Step-by-step explanation:

45 : 50

45 / 50 = 0.9

0.9 x 100 = 90

Answer 2

Answer: 20%

Step-by-step explanation:  i learned this in mexico class

Related Questions

33 POINTS! Right answer gets brainliest

Find the area of the shape below.

Answers

Answer: 112.5 m^2

Step-by-step explanation:

Area of rectangle = lw

l = 7.5

w = 15

7.5 * 15 = 112.5

Answer:

112.5 Meters

Step-by-step explanation:

The Area is length x width.

7 1/2 meters x 15 meters is equal to 112.5 meters to therefore the Area of that rectangle is 112.5 meters.

the cost of 5 cans of dog food is 4.35. how much do 11 cans of dog food cost ​

Answers

É só vc ir somando até 11.

Ou multiplicar por 11.

4,35x11

Espero ter ajudado!

4. In the figure below, what is the value of x?
130°
(x + 15)

Answers

Answer:

The answer to this will be 35 because both equations have to equal 180 degrees

Step-by-step explanation:

Hope this Helped

pllllllllllllllllllllllllllllllssssssssssssssssssssssssssssssss helppp ASAP

Answers

Answer: substitution

Step-by-step explanation:

Substitute 3 in for x for all equations.

3(3)+4 = 13

8(3)-1 = 23

3(3)+4 =13

Add all of the sides together to find the perimeter

13+23+13 =49

Please help

I just have 3 minutes please

Answers

Answer:LN

Step-by-step explanation:


Can someone please help me show my work for 6. And 7. I really need help and haft to show how I got the answers I’ll give the brainly to the brainliest :)

Answers

Answer 6
4x -2y +3z^4
4(0) - 2(1) + 3(2)^4
0 - 2 + 24
Answer7

hi! like almost everyone else on here, I'm probably gonna fail so uh help, please? In your own words explain how to multiply/divide radical expressions? How do you know if you can or cannot simplify them?

Answers

Answer:

It does not matter whether you multiply the radicands or simplify each radical first. You multiply radical expressions that contain variables in the same manner. As long as the roots of the radical expressions are the same, you can use the Product Raised to a Power Rule to multiply and simplify.

Step-by-step explanation:

3 1/3 - x for x = 5/6

Answers

Answer:

2 1/2

Step-by-step explanation:

3 1/3 = 10/3 = 20/6

20/6-5/6=15/6

15/6=5/2=2 1/2

A teacher bought pencils for $14.99, but she knows the store bought them for $8.50. What is the percent markup to the nearest whole?

Answers

Answer:

43% markup.

Step-by-step explanation:

(1 point)
5. Write the polynomial in standard form. Then name the polynomial based on its degree and
number of terms.
5x + 2x4 – 4
O 5x – 4 + 2x4, not a polynomial
O 2x4 + 5x – 4; fourth-degree trinomial
O 5x + 2x4 – 4; quadratic monomial
O 2x4 + 5x – 4; cubic binomial

Answers

Answer:

Option (2)

Step-by-step explanation:

Standard form of the polynomial will be in the form of (ax⁴+ bx³+ cx²+ dx + e).

Which means exponents of each successive term will be in the reducing form and the last term will be a constant term.

Now we can rearrange the terms of the given polynomial (5x + 2x⁴ - 4) for the standard form.

(2x⁴ + 5x - 4)

Since, degree of the leading term = 4

And number of terms = 3

Given polynomial is a fourth degree trinomial.

Option (2) will be the answer.

A boat traveled at an average speed of 27 miles per hour for 2 hours after first leaving the dock and then traveled at an average speed of 65 miles per hour for 4.5 hours. What is the total distance in miles the boat traveled?

A. 98.5 miles
B. 54 miles
C. 346.5 miles
D. 292.5 miles​

Answers

Answer:

C

Step-by-step explanation:

27 miles for 2 hours so u add 27 + 27 = 54 than it says 65 miles per hour and travels for 4.5 hours so do 65 x 4.5 = 292.5 than add 54+292.6 and you will get the final answer wich is 346.5

What is the image of (-8,- 7) after a dilation by a scale factor of 2 centered
at the origin?

Answers

Answer:   (-16, -14)

==========================================================

Explanation:

To get that result, you multiply each coordinate by the scale factor 2

We have

-8*2 = -16-7*2 = -14

So that's why (-8,-7) moves to (-16, -14)

This trick only works if the origin is the center of dilation.

Step-by-step explanation:

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At the school carnival, Jade has a game booth with a spinner. The banner at her booth reads "20% chance of winning!" What is the chance that a player may not win?
40%
50%
80%
90%

Answers

Answer:

80 %

Step-by-step explanation:

100 % - 20 % = 80 %

Answer:

yea i took the test its 80%

Step-by-step explanation:

Martín afirma que todo número entero es un
número racional. ¿Es correcta la afirmación de
Camilo?

Answers

i would answer this but i don't know this language .

The quotient x of and 3

Answers

Easy :)

Quotient means dividing something by something else.

So,

Quotient of x and 3 is x3

If the question says Quotient of x and 3 minus 8 then you can write it as x3-8

[tex]\large\sf\red{thank \: you}[/tex]


Find the missing angle

Answers

Answer: 110 degrees

Step-by-step explanation:

30+40=70

180-70=110

Need help 6th grade work!!

Answers

for 3 batches:
shortening- 12
baking powder- 6
flour- 15

for 4 batches:
shortening- 16
baking powder- 8
flour- 20

list multiples of a given whole number.​

Answers

Answer:

The multiples of a whole number are found by taking the product of any counting number and that whole number. For example, to find the multiples of 3, multiply 3 by 1, 3 by 2, 3 by 3, and so on. To find the multiples of 5, multiply 5 by 1, 5 by 2, 5 by 3, and so on.

Step-by-step explanation:

5 × 1 = 5

5 × 2 = 10

5 × 3 = 15

5 × 4 = 20

2 × 1 = 2

2 × 2 = 4

2 × 3 = 6

2 × 4 = 8

2 × 5 = 10 and so on

The cone and cylinder below have equal surface area

Answers

I think the answer is true.

Answer:

Step-by-step explanation:

It's false AP appove

The four small circles are identical. The total area of the small circles is 36π square inches. What is the area of the larger circle?

Answers

Answer:

Check pdf

Step-by-step explanation:

The radius of the larger circle is 12 inches. Then the area of the larger circle will be 144π square inches.

What is the area of the circle?

Let r be the radius of the circle. Then the area of the circle will be

A = πr² square units

The four small circles are identical. The total area of the small circles is 36π square inches. Then the radius of each small circle is given as,

36π = 4 × (πr²)

r² = 9

r = 3 inches

Then the radius of the larger circle is calculated as,

R = 4r

R = 4 × 3

R = 12

Then the area of the larger circle will be given as,

A = π × (12)²

A = 144π square inches

The radius of the larger circle is 12 inches. Then the area of the larger circle will be 144π square inches.

More about the area of a circle link is given below.

https://brainly.com/question/11952845

#SPJ2

6(t - 1) = 9(t - 4)
t = ?

Answers

t = 43

My reasoning is that I just did this and if you were to times 4 x 9 you would get minus ce tre avergae t pens

A town council wants to conduct a survey on town policies using a random sample of residents.
Which method would result in a random sample?
A
Ask all residents having lunch at a local restaurant
B Ask the first 5 residents who visit town hall after it opens
С
Draw slips of paper with names of residents out of a large box.
D
Print survey forms on postcards and have residents mail their responses

Answers

Answer:

Step-by-step explanation:

Answer:

The correct answer is C. Draw slips of paper with names of residents out of a large box.

Step-by-step explanation:

Hope it helps-

On average, it takes Xavier \large 2\frac{1}{6}hours to drive to his Mom's house. After \large 1\frac{3}{4}hours, how many hours does he have left to drive?

Answers

2 because  iiiiiiiiiiiiiiiiiiiiiiiiii

How many ounces of yogurt can you get
for $4.00?

Answers

it depends how much each pound is

Please ??????????????​

Answers

Answers:

x = 12angle A = 35angle ABC = 65

============================================================

Explanation:

Let y be the measure of angle ABC.

We can see that y = 4x+17 because the two angles (y and 4x+17) are vertical angles. Vertical angles are always congruent.

-------------

From here, focus entirely on the interior angles of triangle ABC.

Recall that for any triangle, the interior angles always add to 180

A+B+C = 180

(x+23)+(y)+(80) = 180 ..... plug in the given angle measures

(x+23)+(4x+17)+(80) = 180 .... replace y with 4x+17

5x+120 = 180 ..... combine like terms

5x = 180-120 ..... subtract 120 from both sides

5x = 60

x = 60/5 ..... divide both sides by 5

x = 12

Now use that x value to find the following:

angle A = x+23 = 12+23 = 35angle ABC = y = 4x+17 = 4*12+17 = 48+17 = 65

--------------------------

In short we have this summary of values we found:

x = 12angle A = 35angle ABC = 65
X=12
Angle A=35
And angle ABC=65

DUE IN 5 MINUTES HELP

Answers

Answer:

If its asking to translate by (-5,3) then the answer is the following.

A'(-2, 3)

B'(-1, 1)

C'(-4, 0)

Help with this please

Answers

Answer:

$1.21 per song

Step-by-step explanation:

6 × $1.21 = $7.26

17 × $1.21 = $20.57

20 × $1.21 = $24.50

Find the circumference of a circle with diameter, d = 26cm.Give your answer in terms of π
.

Answers

Answer:

C≈81.68

d Diameter

26

Using the formulas

C=2πr

d=2r

Solving forC

C=πd=π·26≈81.68141

Step-by-step explanation:

Hope it is helpful.....

Help!! Screenshot below.

Answers

X=60 and if you plug in 60 to that equation, it equals 15.


1/4 x 60 =15

Hope this helps!

Answer:

60

Step-by-step explanation:

person above is correct

can anyone help? i rlly need help !

Answers

They cross each other at (5,2)
answer: 5,2 because they cross over eachother
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