MATHEMATICS MIDDLE SCHOOL

-10.216 + C Equals 12.014
 
What is C
Confused

Answers

Answer 1
Answer: you need to take the -10.216 over to the 12.014, 
c=12.014+10.216
c=22.23

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Plz help me which is equivalent
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The gym offers a discount when more than one member of the family joins. The first member (n=0) pays $550 per year. The second member to join (n=1) gets a discount of $75 per year. The third member (n=2) gets an additional $75 discount. The price for the nth member is given by 550+(-75n).a. What is the price for the fourth member to join (n=3)?

b. For a large family, is it possible that member would join for free? If so, which member would it be? Explain your reasoning.

c. Other than $0, what is the lowest amount that a member would pay to join? Which member would it be? Explain your reasoning.

Answers

a. If we subtract 75 from 550 twice, we get 400, which is the third member to join. Subtract 75 from 400, we get $325, the fourth member to join.

b. It is not possible that a member would join for free if it was a large family. 75 does not fit into 550 evenly. You can prove this by solving the expression 550÷75.

c. The lowest amount that a member would pay to join is $25.00. It would be the 7th member.

Can someone help me out? :P

Answers

Answer:

d

Step-by-step explanation:

the circumference of the moon is 10,921 km

Write a fact family using the numbers 5/6 and 30

Answers

The fact family using the numbers  5, 6 and 30 are 5×6=30 6×5=30, 30÷5=6 and 30÷6=5

What is Number system?

A number system is defined as a system of writing to express numbers.

The given three numbers are 5, 6 and 30

We need to write  the numbers 5 6 and 30 as

Thirty divided by five equal to six

30÷5=6

Thirty divided by six equal to five

30÷6=5

Five multiplied by six is thirty

5×6=30

Six multiplied by five is thirty.

6×5=30

Hence,the numbers 5, 6 and 30 are 5×6=30 6×5=30, 30÷5=6 and 30÷6=5

To learn more on Number system click:

brainly.com/question/22046046

#SPJ2
5×6=30
6×5=30
30÷5=6
30÷6=5

80% of a number is 96. What is 25% of that same number?

A.
20

B.
30

C.
40

D.
120

Answers

(80)/(100)*x=96 ⇒ (80/20)/(100/20) *x=96

(4)/(5)*x=96 ⇒ x= (96*5)/(4)=24*5

\boxed {x=120}

(25)/(100)*x= (25/25)/(100/25)*120 = (120)/(4) = \boxed {30}

The answer is B.
let the number be x
80%*x=96
x=96/80%
x=120
then 25% of 120 is your answer to find this half 120 twice
half 120=60
half 60=30

Therefore 30 is the answer which is B

PLEASEHELP!!!!!!!!!!Write an expression to describe a rule of the sequence. Then find the 100th term in the sequence.
4, 9, 14, 19, 24, 29.....
A)4+5n;504
B)5n-1; 499
C) 5n; 500
D) 4n+5; 405

Answers

Answer:

Option B is correct

a_n = 5n-1; 499

Step-by-step explanation:

The nth term for the arithmetic sequence is given by:

a_n = a_1+(n-1)d         ....[1]

where,

a_1 is the first term

d is the common difference of two successive terms

n is the number of terms.

As per the statement:

4, 9, 14, 19, 24, 29.....

This is a arithmetic sequence.

Here, a_1=4 and d =5

Since,

9-4 = 5,

14-9 =5,

19-14 = 5 and son on....

Substitute the given values in [1] we have;

a_n = 4+(n-1)5

⇒a_n = 4+5n-5 = 5n-1

⇒a_n = 5n-1

We have to find the  100th term in the given sequence.

For n= 100

a_(100) = 5(100)-1=500-1 =499

⇒a_(100) = 499

Therefore,  an expression to describe a rule of the sequence is, a_n = 5n-1 and the 100th term in the sequence is 499
A) 4+5n;504  Would be ur answer!!

Hope i helped:P 

Bradley solved the following equation: 4(5x – 6) = 2(8x + 10) Step Work Justification 1 20x – 24 = 16x + 20 2 4x – 24 = 20 3 4x = 44 4 x = 11 Which of the following has all correct justifications Bradley used to solve this equation? 1. Associative property of addition. 2. Subtraction property of equality. 3. Addition property of equality. 4. Multiplicative inverse. 1. Associative property of addition. 2. Subtraction property of equality. 3. Addition property of equality. 4. Division property of equality. 1. Distributive property. 2. Subtraction property of equality. 3. Addition property of equality. 4. Multiplicative property of equality. 1. Distributive property. 2. Subtraction property of equality. 3. Addition property of equality. 4. Division property of equality.

Answers

Solution:

The equation solved by Bradley is

→4(5x – 6) = 2(8x + 10)

Step Work  

1. 20 x – 24 = 16 x + 20    → [ Distributive property]

Taking variable on one side of equation

2 . 4 x – 24 = 20  → [Subtraction property of equality.]

Taking constant on one side of equation

3 . 4 x = 44 →[Addition property of equality.]

Dividing both sides by 4

4 . x = 11          → [Division property of equality.]

Out of all the four options given ,Fourth option [ 1. Distributive property. 2. Subtraction property of equality. 3. Addition property of equality. 4. Division property of equality ], completely satisfies the work done  in equation.
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