Mathematics College

PLS HELP!!!!
72 REWARD BC ITS URGENT :(
Which of the following equations is not balanced?
A. N2 + 3H2 --> 2NH3
B. Mgl2 + Br2 --> MgBr2 + I2
C. KCIO3 --> KCI +O2
D. HCI + NaOH --> NaCI +H2O​

PLS HELP!!!!72 REWARD BC ITS URGENT :(Which Of The Following Equations Is Not Balanced?A. N2 + 3H2 -->

Answers

Answer 1
It is c because I used Socratic

Related Questions

HELPPPPPPP PLEASEEEEE​ WILL GIVE BRAINLEST

Answers

x:35 y: 7,3
So thats the answer for your MATCHEMATIC QUESTIONSS

pls pls pls help!!!!!!

Answers

9514 1404 393

Answer:

ornament area = 379.8 cm²paint needed: 114 bottles

Step-by-step explanation:

The surface area of one cone with slant height s and radius r is ...

  SA = πr² +πrs = πr(r+s)

For the cone that is half an ornament, the surface area is ...

  SA = (3.14)(4.2 cm)(4.2 cm + 10.2 cm) = 189.9072 cm²

The area of one ornament is the area of two cones:

  one ornament area = 2×189.9072 cm² ≈ 379.8 cm²

60 ornaments will be 120 cones, so will have a total surface area of ...

  total area = 120(189.9072 cm²) = 22,788.864 cm²

__

If one bottle of paint will cover 201 cm², then the number of bottles of paint required is ...

  (22788.864 cm²)/(201 cm²/bottle) ≈ 113.4 bottles

Which is not a true statement about the disadvantages of certain methods of payment?

Answers

Answer:

I dont know explaining more its not clear plz explaining ore

Find the missing value that makes the equation true. 15 + 30 = (3 + 6)​

Answers

Missing Value = 5

15+30=5(3+6)
Distribute
45=15+30
Simplify
45=45
The missing value will be 5! Hope you get an A!

Please someone help me with this!!!

Find the indicated term of the given geometric sequence.

a1 = 11, r = 3.4, n = 7

Answers

Answer: a = 1, 1r = 3, 0.4n = 7

Step-by-step explanation:

r= 3, 0.4n = 7, a1 = 1 : a = 1, n = 35/2, r = 3

SOMEONE PLEASE HELP ME ASAP IM SO TIRED PLEASE JUST HELP ME ON THIS ONE QUESTION AND EXPLAIN YOUR ANSWER GOD

In 1985 an antique automobile club had 23,000 members. Since then its membership has grown at an average rate of 5% per year. Assuming this trend continues, how many members will there be in 2020? Round to the nearest thousand.
a) 112,000 members
b) 78,000 members
c) 151,000 members
d) 127,000 members

Answers

D.). 127,000 members

I need help with this question ​

Answers

Answer:

14x+4 = 4x+44

14x - 4x = 44 - 4

10x = 40 ...... x = 4

《60°》.....

5y = 120

y = 120/5 => y = 24

Angle B=14x+4
Angle D=4x+44
14x+4=4x+44
14x-4x=44-4
10x=40
x=4
Angle B=14•4+4=60
Angle D=4•4+44=60
Angle C=180-60
Angle C=120
5y=120
y=24
Angle C=24
Angle A=24

Which equation represents a line which is parallel to the y-axis?
Submit Answer
O y = x + 2
O2 = -2y
O y = -1
O2 = -2

Answers

Answer:

the 2nd one

Step-by-step explanation:

What are vertical angles? If ZA and ZB are vertical angles, what is true about their
measures?

Answers

Answer:

45 i think

Step-by-step explanation:

[tex]\huge{ \mathbf{  \underline{ Answer }\:  \:  ✓ }}[/tex]

Vertical Angles are pair of two angles opposite to each other formed by two lines intersecting each other. And they have equal measures.

So, if [tex]\angle A[/tex]\angle B[tex][/tex] are vertical angles then they have equal measures .

[tex] \large\boxed{ \angle A = \angle B}[/tex]

_____________________________

[tex]\mathrm{ \#TeeNForeveR}[/tex]

In Prof. Leahy's class, if a student does homework most days, the chance of passing the course is 90%. On the other hand, if a student does not do homework most days, the chance of passing the course is only 30%. Prof. Leahy claims that 70% of his students do homework on a regular basis. If a student is chosen at random from Prof. Leahy's class, find the following probabilities:

a. p(the student did not do homework and he/she passed the course)
b. p(the student did not do homework given that she/he passed the course)

Answers

Answer:

a) p(the student did not do homework and he/she passed the course) = 0.09

b) p(the student did not do homework given that she/he passed the course) = 0.125.

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

[tex]P(B|A) = \frac{P(A \cap B)}{P(A)}[/tex]

In which

P(B|A) is the probability of event B happening, given that A happened.

[tex]P(A \cap B)[/tex] is the probability of both A and B happening.

P(A) is the probability of A happening.

a. p(the student did not do homework and he/she passed the course)

If a student does not do homework most days, the chance of passing the course is only 30%. 100 - 70 = 30% don't do homework on a regular basis.

So

0.3*0.3 = 0.09

p(the student did not do homework and he/she passed the course) = 0.09

b. p(the student did not do homework given that she/he passed the course)

Conditional probability.

Event A: Passed the course

Event B: Did not do homework.

p(the student did not do homework and he/she passed the course) = 0.09

This means that [tex]P(A \cap B) = 0.09[/tex]

Probability that the student passes the course:

90% of 70%(do homework)

30% of 30%(do not do homework).

This means that:

[tex]P(A) = 0.9*0.7 + 0.3*0.3 = 0.72[/tex]

p(the student did not do homework given that she/he passed the course)

[tex]P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.09}{0.72} = 0.125[/tex]

So

p(the student did not do homework given that she/he passed the course) = 0.125.

At a restaurant, the bill comes to $90. If you decide to leave a 17% tip, how much is the tip?

Answers

Answer:

$15.30

Step-by-step explanation:

To find 17% of 90 you would have to do;

0.17x90 = 15.3

Therefore, the tip would come out to be $15.30

please answer asap! no scam links or scam comments or reported.

Answers

Answer:

B

Step-by-step explanation:

A company that manufactuers small canoes has a fixed cost of $14,000. It cost $40 to produce each canoe. The selling price is $80 per canoe

Answers

Answer:

The company manufactures about 350 canoes, obtaining $ 28,000 after selling them all.

Step-by-step explanation:

Given that a company that manufactures small canoes has a fixed cost of $ 14,000, and it cost $ 40 to produce each canoe while the selling price is $ 80 per canoe, to determine the number of canoes that the company produces and the amount of money it makes after selling them, the following calculation must be carried out:

14/000 / 40 = X

350 = X

350 x 80 = 28,000

Thus, the company manufactures about 350 canoes, obtaining $ 28,000 after selling them all.

What is the quotient of 20 divided by one fourth?

Answers

Answer: 80 i think

Step-by-step explanation:

List all possible outcomes.

Answers

All of the possible outcomes are red, green, yellow, and blue.

Which of the following is the least reduced equivalent of 243/729?
A.2/6
B.1/3
c.3/9
D. 1/2

Answers

Answer:

B.1/3

Step-by-step explanation:

Dividing by 3.

243/729

81/243

27/81

9/27

3/9

1/3

1/3 is the answer man

Find the area of this triangle. Round to the nearest whole number.

Answers

Answer:

[tex]35 cm^{2}[/tex]

Step-by-step explanation:

5 x 14 divided by 2 = 35

Circle P has a circumference of approximately 75
inches.
What is the approximate length of the radius, r? Use 3.14
for y. Round to the nearest inch,
12 inches
D24 inches
38 inches
46 inches

Answers

Answer:

12 in

Step-by-step explanation:

C=2pi *r

75/2(3.14)=r

r=75/6.28

~11.94~12 inches

if my answer helps please mark as brainliest

Answer:

12 in

Step-by-step explanation:

Circumference:

C = 2πr

75 = 2(3.14)r

75 = 6.28r

r = 75/6.28

r = 11.95 ≈ 12


a. 5
b. 7
c. 9
d. 11

PLEASE HELPPP I WILL GIVE BRILLIANT!!!

Answers

Answer:

B : 7

Step-by-step explanation:

A 5-pound bag of sugar costs $3.90. What is the unit rate?

Answers

0.78 per pound is unit rate

Since 5lbs is $3.90, 0.78 is the cost of one pound.

3.90 divided by 5 is 0.78

Consider the equation below.



Determine which equation has the same solutions as the given equation.

Answers

Answer:

B, (x-5) square =21

Step-by-step explanation:

B, (x-5)square =21

Does anyone know the answer?

Answers

Answer:

1 is the answer

simplify the following indices :
6²×3²×3³×6⁴
​

Answers

Answer:

The answer is 11,337,408

Step-by-step explanation:

6^2 = 36, 3^2 = 9, 3^3 = 27, and 6^4 = 1296.

when you multiply them all together, you get 11,337,408.

2. A penguin is setting on an iceberg 157 feet above the water? If a walrus is in the water 312 feet from the base of the iceberg, what is the angle of depression from the penguin to the walrus?

Answers

Answer: 26.7

Step-by-step explanation:

Answer:

26.7

Step-by-step explanation:

Find the value of x.

Answers

Answer:

Not exactly sure if this is right.

I am pretty sure that 10 and x-3 are like congruent angles.

So x - 3 = 10

Add 3 to both sides.

x = 13.

Hope this helps!

b. 13(y−10)=−4
1
3
(
y
-
10
)
=
-
4
y =

Answers

13(y - 10) = -4

13y - 130 = -4

13y - 130 + 130 = -4 + 130

13y = 126

13y/13 = 126/13

y = 126/13

if 15 citizens are chosen, what is the probability that 10 of them are favoring the substation

Answers

Answer:

10/15

Step-by-step explanation:

The probability is 10/15 or 67% chance

Is this right?
Plz
rrrrrrrrrrrrrrrrrrr

Answers

Answer:

A=706.5 ft^2

Step-by-step explanation:

Area of circle: π r^2

r=radius

In this case, r=15

So,

A=3.14(15^2)

A=3.14*225

A=706.5 ft^2

The area of the figure is Square units.

Answers

Answer:

8

Step-by-step explanation:

Math

the answer should be 8 i think

pls help me under stand this​

Answers

9514 1404 393

Answer:

  5 ft

Step-by-step explanation:

You are given the area and base lengths of a trapezoid and asked for its height. The formula for the area of a trapezoid is useful.

  A = (1/2)(b1 +b2)h

Filling in the given information, you have ...

  30 ft² = (1/2)(4 ft +8 ft)h

  30 ft² = (6 ft)h . . . . . . . . . . . simplify

  h = (30 ft²)/(6 ft) = 5 ft . . . . divide by the coefficient of h

The height of the trapezoid is 5 feet.

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