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3 years ago

Please help me. 100 points for all answers. But u HAVE TO ANSWER THEM ALL OR BE REPORTED!

Mathematics

1 answer:

Masteriza [31]3 years ago

7 0

Answer:

1)7 2/8

2) 4 1/2

3) 7 2/4

4) 4 3/5

5) 7 1/9

6) 3 2/8

I will add more answers once I add this answer.

Step-by-step explanation: 1) you divide the top number by 8 then you will get 7 with a remainder of 2. 7 is the whole number and 2 will be on top of the fraction. do the same with all other problems.

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A couple needs $55,000 as a down payment for a home. If they invest the $40,000 they have at 4% compounded quarterly, how long w

slava [35]

Answer:

8 years

Step-by-step explanation:

Compound interest formula

$A(t)= A_0(1+\frac{r}{n})^{nt}$

A(t) is the final amount 55000

A_0= 40000, r= 4% = 0.04, for quarterly n=4

$55000=40000(1+\frac{0.04}{4})^{4t}$

divide both sides by 40000

$1375=(1+\frac{0.04}{4})^{4t}$

$1375=(1.01)^{4t}$

Take ln on both sides

$ln(1375)=4tln(1.01)$

divide both sides by ln(1.01)

$\frac{ln 1375}{ln 1.01}=4t$

Divide both sides by 4

t=8.00108

So it takes 8 years

8 0

3 years ago

1/3(4 + 18)-2² PLIS I need help :(

liraira [26]

Answer:

10/3

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

1/3(4 + 18) - 2²

Step 2: Evaluate

(Parenthesis) Add: 1/3(22) - 2²
Exponents: 1/3(22) - 4
Multiply: 22/3 - 4
Subtract: 10/3

5 0

3 years ago

Anna had $54 in her purse. She bought a book for $26.34 and a book marker for $1.27. Anna’s mom then gave her $10 for completing

jekas [21]

Answer:

Anna has $36.39 dollars.

Step-by-step explanation:

All we have to do is subtract

54 - (26.34 + 1.27) =

54 - 27.61 =

36.39

So, the answer is 36.39

Hope this helps! :)

3 0

3 years ago

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10 Tom a reçu un montant d'argent en héritage.

BARSIC [14]

?????????? Umm what’s that language

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3 years ago

Help please these questions are kinda hard do i am giving 15 points

Rudiy27

9=6y + 33 the answer is y=−4

the next one is x=10

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers