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Sladkaya [172]
3 years ago
9

9f+6is equivalent to 3f+2

Mathematics
2 answers:
Effectus [21]3 years ago
5 0

Answer:

false

Step-by-step explanation:

9f + 6 > 3f + 2

sweet-ann [11.9K]3 years ago
5 0

9f+6=3(3f+2).

What do you mean by 'equivalent'?

Yes: if you want to compute f from 9f+6=0:

f=-2/3 in both cases.

No: if you want to represent them on a graph.

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Please answer me<br />bis two fifths of c.<br />4a = 30<br />Work out the ratio a:b:c<br />Give your ans
irina [24]

b is two fifths of c, so we make this a ratio with c = 1.

The ratio of b:c is 2/5 : 1

We also have 4a = 3c, rewrite this ratio so c is 1 by dividing both sides by 4,

so we get the ratio of a to c as 3/4 : 1

Now we get the a:b:c ratio of 3/4 : 2/5 : 1 now we can change the fractions to whole numbers, first by multiplying the 3 numbers by 4 to get get rid of the denominator of 4 in a:

3 : 8/5 : 4

Now multiply the 3 numbers by 5 to remove the denominator  of 5 in b:

15 : 8 : 20

Now we can check using the equations:

b is 2/5 of c:  20 x 2/5 = 40/5 = 8 This is true.

4a = 3c: 4(15) = 3(20) = 60 = 60, this is also true.

The ratios is 15 : 8: 20

7 0
3 years ago
Wilhelmina wrote a check for $72 to pay her monthly Internet bill, but when
lesantik [10]

Answer:

her bank statement will show that she has $144 less than her checkbook balance

Step-by-step explanation:

let the amount of money in the bank before writing the check be x

after writing the check for $72, because she accidentally recorded this as a credit, here checkbook will reflect a balance of :$(x + 72)

However, the bank correctly records the debit of the $72, resulting  a balance of: $(x-72)

Hence compared to her checkbook,  the bank records will show an amount difference of :

(x-72) - (x + 72)

= x - 72 -x -72

= -144

i.e her bank statement will show that she has $144 less than her checkbook balance

3 0
3 years ago
Read 2 more answers
Explain what you know about price discount
Lapatulllka [165]

Answer: Price discount? Uhh, coupon? Uhh, less money

Step-by-step explanation:

5 0
3 years ago
20 points come on now also i will give brainlest
zimovet [89]

Answer:

I think it could be 15 maybe

7 0
3 years ago
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By what percent will the fraction increase if its numerator decreased by 30% and the denominator decreased by 50%
jeka57 [31]

Answer:

140%

Step-by-step explanation:

So a fraction can be expressed as: \frac{a}{b} and if a number decreases by x%, the new number is (100-x)% the original value. So since the numerator decreases by 30%, it's not 70% the original value, and it's very similar with the denominator, with it only retaining 50% of it's original value. This gives you the formula: \frac{0.70a}{0.50b}. You can rewrite the fraction as: \frac{1.4 * 0.5 * a}{0.5 * b} in doing so it's easy to see that you can cancel out the 0.5 and get: 1.4\frac{a}{b}. This means the value is increasing by 1.4 or 140%

3 0
2 years ago
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