Mathematics High School

Tell whether the rates form a proportion.

32 notes in 4 measures; 12 notes in 2 measures
yes
or
no

Answers

Answer 1

Answer: no

Step-by-step explanation: the answer is no

Related Questions

Solve the following:
-12 = 6(-3) + 8

A.) 14
B.) -22
C.) 2
D.) 3

Answers

Answer:

can't be solved

Step-by-step explanation:

-12 = 6 (-3) + 8

-12 = -18 + 8

-12 ≠ -10

Which of the following is the inverse of f(x)=4/3x+5?

1. f(x)=3/4x +5

2.f(x)=3x+5/4

3.f(x)=4x-20/3

4.f(x)=3x-15/4

Answers

Answer:

f(x)= 3x-15/4

Step-by-step explanation:

The answer is D; I got it right on the test.

HELP NOW PLSSSS!!!!!
An airplane descended 345 m in 10 seconds. What was the airplane’s rate of change in elevation? Show your work and don’t forget the unit!

Answers

Answer:

The airplane’s rate of change in elevation is 34.5 m/s.

Step-by-step explanation:

Given that,

An airplane descended 345 m in 10 seconds.

We need to find the airplane’s rate of change in elevation. Let the rate is R. Its rate is equal to the distance divided by time. So,

[tex]R=\text{velocity}=\dfrac{345\ m}{10\ s}\\\\=34.5\ m/s[/tex]

So, the airplane’s rate of change in elevation is 34.5 m/s.

PLZ HELP ASAP!
The altitude of a triangle is a line or segment that passes through a vertex and is perpendicular to the line containing the opposite side.
TRUE OR FALSE?

Answers

The answer you’re looking for is true

Monica bought a package of 434 party favors to give to the guests at her birthday party. She calculated that she could give 9 party favors to each guest and she wanted to have 20 left over to give to a friend who was also throwing a party. How many guests is she expecting?

Answers

Answer:

so meh answer is

Step-by-step explanation:

express 25 minutes as fraction of 1 hour

Answers

Answer:

1/4

Step-by-step explanation:

THIS IS 10 PTS. help plz

Answers

Answer:

the third answer

Step-by-step explanation:

hope this helped :-)

help me graph this i with a step by step guide if possible ​

Answers

Answer:

n≥9

Step-by-step explanation:

n-7>=2

change the equation

n≥2+7

add 7 to 7 and two the seven gets canceled out and you are left with n≥9

If a person was randomly selected, what is the probability that the person selected rock climbing given that the person is female?

Answers

Answer:80 % chance

Step-by-step explanation:

The required probability that the person selected rock climbing given that the person is female is 23%.

What is probability?

Probability can be defined as the ratio of favorable outcomes to the total number of events.

As mentioned in the question,
Total person in the adventure sports = 100
female rock climbers = 23
The probability that the person selected rock climbing given that the person is female is given as,
= female rock climbers / Total person in the adventure sports
= 23/ 100
= 0.23

Thus, the probability that the person selected rock climbing given that the person is female is 23%.

Learn more about probability here:

brainly.com/question/14290572

#SPJ5

MATH HELP PLZZ! MARKING BRAINLIST!!!!! ASAP!!!!!!!!!!!

Answers

Answer:

No solution

Step-by-step explanation:

Brain-list?

Answer:

B no solution

Step-by-step explanation:

(Isosceles Triangle)
7x +3
5x + 7
С
10
==[blank1]

Answers

Answer:

7x + 3 = 5x + 7

2x + 3 = 7

2x = 4

x = 2

Which number below is greater than 9 but less than 10?
Answer choices
A: 45
B: 80
C: 100
D: 85

Answers

E. None of the above

Madison and Tyler each wrote an expression that is equivalent to 14.1 (19.8 + 7.6). The expressions they created are shown in the table.

Expressions Madison and Tyler Created
Student
Expression
Madison
14.1 (7.6 + 19.8)
Tyler
14.1 (19.8) + 14.1 (7.6)

Answers

Answer: Tyler used the distributive property.

Step-by-step explanation:

For the expression:  

Madison wrote:  which is by commutative property of addition.

The commutative property of addition says that , for a,b be any real number

Tyler wrote: which is by distributive propery.

The distributive property says that , for a,b,c be any real numbers.

Hence, the last option is correct.

Answer:

D

Step-by-step explanation:

Took the test ;)

Eric says that a three-dimensional figure with the views shown must be a rectangular prism.

The top view is 8 cubes and the side view is 4 cubes.

Is Eric correct? Explain.

Answers

Answer:

No, Eric is not correct. Other figures could have those views. We also do not have the front view, which could add more information. More views are required to be sure of the shape of the object.

Step-by-step explanation:

Answer:

eric is correct

Step-by-step explanation:

The melting points of some chemical elements are shown below. Nickel: 2,651 Mercury: -37.89 Helium: -458 Copper: 1,984.32 a) Which two elements have melting points that are closest in value? b) What is the average melting point of the substances? Round your answer to the nearest tenth. Explain how you got to the answer.

Answers

Answer:

Mercury and helium

1034.8575

Step-by-step explanation:

Given that :

Melting point of substances :

Nickel: 2,651

Mercury: -37.89

Helium: -458

Copper: 1,984.32

Melting means change of solid to liquid

a) Which two elements have melting points that are closest in value?

The difference in Melting point between mercury and helium :

- 37.89 - (-458) = 420.11

Nickel and copper :

2651 - 1,984.32 = 666.68

Hence, element with melting point which are closest in value Are Mercury and helium

b) What is the average melting point of the substances?

Sum of the melting points / number of substances

(2,651 + (-37.89) + (-458) + 1,984.32) / 4

= 4139.43 / 4

= 1034.8575

PLS HELP!!
Which coordinate grid shows Point A at (-0.25, 1.75)?

Answers

Answer:

Need pic

Step-by-step explanation:

anyone understand this?

Answers

Answer:

yes you just have to solve for both x and y in the top system and then solve the other systems to find out which one has the same solutions

Step-by-step explanation:

hope this helps!

estimate the answer of $3.67 and $2.40 to the nearest ones place​

Answers

Answer:

$3.67 rounds up to $4

$2.40 rounds down to $2

Step-by-step explanation:

PLZ I NEED HELP I HAVE 15 MIN LEFT I WILL GIVE BIG BRAINLYEST TO WHOEVER ANSWERS FIRST AND RIGHT
The least common multiple of the two numbers is 36. Which could be the two numbers?
9 and 12
4 and 6
3 and 8
3 and 12

Answers

Answer:

4 and 6

Step-by-step explanation:

4 and 6 is
The lest lol

Priva has so identical parcels
Each parcel has a mass of 17 kg correct to the nearest kilogram
Find the upper bound for the total mass of the 50 parcels​

Answers

The upper bound is 875kg

The upper bound is the smallest value that would round up to the next estimated value.
For example, a mass of 70kg, rounded to the nearest 10kg, has a lower bound of 65kg, because 65kg is the smallest mass that rounds up to 70kg. The upper bound is 75kg, because 75kg is the smallest mass that would round up to 80kg (the next increment)

Because each parcel has a mass of 17kg correct to the nearest kg, the degree of accuracy is to the nearest 1kg
1kg/2=0.5kg

Upper bound for each parcel is 17.5kg
17.5x50

answer or no godol2kwiqwdac

Answers

Answer:

huh??

Step-by-step explanation:

Add the 6n and -4n together then subtract 14 from both sides then divide by 2 so the answer is n=-22


The knitting club sold 40 scarves and hats at a winter festival and made $700 from
the sales. They charged $18 for each scarf and $14 for each hat.
If s represents the number of scarves sold and h represents the number of hats
sold, which system of equations represents the constraints in this situation?

I need how many hats and scarves were sold not the solution

Answers

Answer:

56576765465-5655676756+

75y5yg57+u5u57576574874+

65764784667+857647984765+

589578575975

Evaluate: 2x + 5x - 11 = -46

Answers

Answer:

x=-5

Step-by-step explanation:

Combine like terms: 7x-11=-46

Add 11 to -46: -35

Divide: 7x/-35

ANSWER: x=-5

Please help is -6 or 5 or 10 or 30 PLEASE HELP or ima gonna fail

Answers

Answer:

x = 10 :)

Step-by-step explanation:

4/3 = x+10/15

x = 10

Solve by using the quadratic formula: Simplify

Answers

Answer:

-6 - square root 31, -6 + square root 31

Answer:

x = [tex]\frac{48 - \sqrt{1984} }{-8}[/tex]

x = [tex]\frac{48 + \sqrt{1984} }{-8}[/tex]

Step-by-step explanation:

-4[tex]x^{2}[/tex] - 48x - 20 = 0

Remember, the quadratic formula is:

x = [tex]\frac{-b +- \sqrt{b^{2} -4ac } }{2a}[/tex]

A quardatic equation in standard form is;

a[tex]x^{2}[/tex] + bx + c

Substitute in the values and solve;

[tex]\frac{48 +- \sqrt{(-48)^2 - 4 * (-4) * (-20)} }{2*(-4)}[/tex]

Simplify;

[tex]\frac{48 +-\sqrt{2304 -320} }{-8}[/tex]

x = [tex]\frac{48 +- \sqrt{1984} }{-8}[/tex]

x = [tex]\frac{48 - \sqrt{1984} }{-8}[/tex]

x = [tex]\frac{48 + \sqrt{1984} }{-8}[/tex]

Eastridge High School’s Student Government Association is holding a raffle to raise money for a local food pantry. They have spent $17 on supplies and plan to sell tickets for $5 each.
_
Interpret the rate of change and the y-intercept (please :D)

Answers

"Interpret the rate of change and the y-intercept.

"

Rate of change is 5. Each ticket costs 5$.

Y-intercept is (0,-17). They spent $17 on supplies before they sold tickets.

(Sorry, you probably already know the answer)


Help! I’m a little confused

Answers

Its 9 because you subtract 5 and subtract 5 from the other side which gives you 3 then you have 1/3r left and 3 then you divide and r=9
The Awnser is 9 I’m not sure

Find the domain and range of the function represented by the graph

Answers

Answer:

4(b) , 5(a)

Step-by-step explanation:

(4). (b)  Domain is {0, 1, 2, 3} and Range is { - 3, - 2, - 1, 0}

(5).  (a)  Domain is [ - 4, 2] and Range is [ - 4, 4]

or

domain: - 4 ≤ x ≤ 2 , range: - 4 ≤ y ≤ 4

Last year, the seventh-grade enrollment at Main Middle School was 612 students. This year, the enrollment dropped to 489 students due to the opening of a new middle school. Which best reflects the percent change in enrollment at Main Middle School from last year to this year?

Answers

Answer:

The percent change in enrollment at Main Middle School was about 20%

Step-by-step explanation:

Percentages

There was a change of enrollments in the 7th grade at Main Middle School from 612 to 489 due to openings of a new school.

The change in the number of enrollments was 612 - 489 = 123.

To express it as a percentage, we divide by the original number and then multiply by 100:

[tex]\displaystyle \mathrm{Change} \% = \frac{123 }{ 612} * 100 \approx 0.2[/tex]

The percent change in enrollment at Main Middle School was about 20%

Um.....Brainliest to first! Make sure your right and please answer fast. 10 points

Answers

Answer:

D

Step-by-step explanation:

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