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hram777 [196]
4 years ago
14

Topic: Multiplying and dividing fractionsanswer 2 of the questions71 points

Mathematics
2 answers:
nlexa [21]4 years ago
5 0

Answer:

7. 9 kg

a) 4 cm

Step-by-step explanation:

7. ¾ of 12

¾×12

3×3 = 9

a) ⅔ of 6

⅔×6

2×2

4 cm

skad [1K]4 years ago
3 0

7. Multiply the mass of the porcupine by the raccoons portion:

12 x 3/4 = (12 x 3)/4 = 36/4 = 9kg.

8. Multiply both numbers:

6 x 2/3 = (6x2)/3 = 12/3 = 4cm

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NISA [10]

Answer:

invalid conclusion

Step-by-step explanation:

5 0
3 years ago
Given f(x)=3x+1, solve for x when f(x)=7
charle [14.2K]

Answer:

X = 22

Step-by-step explanation:

f(x) = 3x + 1

f(7) = 3(7) + 1

= 21 + 1

= 22

3 0
3 years ago
Read 2 more answers
A class is made up of 10 boys and 4 girls. Half of the girls wear glasses. A student is selected at random from the class. What
Andreas93 [3]

Hi!

Add the student together to get the number of students

10+4 = 14

Divide the girls by half

4/2 = 2

2/14 is the answer for this question.

<em>Hope this helps! Have an amazing day <3</em>

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4 0
4 years ago
Which notation best represents the phrase “no more than 200”
Lilit [14]

Answer:

X<_200

Step-by-step explanation:

We know that if the number connot be more than 200 then the number is less than or equal to 200

7 0
3 years ago
Calculate the future value of the annuity assuming that it is (1) an ordinary annuity (2) an annuity due. Comparing the two type
olga55 [171]

Answer: Here's the complete question.

calculate the future value of the annuity assuming that it is (1) an ordinary annuity (2) an annuity due. Comparing the two types of annuities, all else equal, which type is more preferable? Why? Amount of annuity Interest rate Deposit period (years) $500 12% 6

Ordinary annuity = 4545, annuity due = 4058 , ordinary annuity is better because it discounts for one less year

Ordinary annuity = 4058, annuity due = 4545, annuity due is better because it discounts for one less year.

Ordinary annuity = 4058, annuity due = 4545, annuity due is better because it compounds for one more year.

Ordinary annuity = 4545, annuity due = 4058 , ordinary annuity is better because it compounds for one more year.

Step-by-step explanation:

Future value of ordinary annuity = Amount*[{(1+r)n – 1}/r]

= 500*[{(1.12)6 – 1}/0.12]

= $4,057.59

i.e. $4,058

Future value of annuity due = (1+r)*Future value of ordinary annuity

= 1.12*4,058

= $4,545

Hence, the answer is

Ordinary annuity = 4058, annuity due = 4545, annuity due is better because it compounds for one more year.

Since payments are made at the beginning of the year

8 0
4 years ago
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