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2 years ago

Which equation could be true ?

Mathematics

1 answer:

s344n2d4d5 [400]2 years ago

4 0

Answer:

first one

Step-by-step explanation:

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Find the quotient.<br><br>5 over 7 divided by 7 over 10

raketka [301]

Answer:

$\frac{5}{7}\div \frac{7}{10}=\frac{50}{49}$

Step-by-step explanation:

$\frac{5}{7}\div \frac{7}{10}$

$\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\div \frac{c}{d}=\frac{a}{b}\times \frac{d}{c}$

$=\frac{5}{7}\times \frac{10}{7}$

$\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}$

$=\frac{5\times \:10}{7\times \:7}$

$\mathrm{Multiply\:the\:numbers:}\:5\times \:10=50$

$=\frac{50}{7\times \:7}$

$\mathrm{Multiply\:the\:numbers:}\:7\times \:7=49$

$=\frac{50}{49}$

Therefore,

$\frac{5}{7}\div \frac{7}{10}=\frac{50}{49}$

3 0

3 years ago

Brenda pours laundry detergent from a bottle into the cap and then into the washing machine. Every time she fills the cap, the a

Vanyuwa [196]

Brenda’s Bottle answer:

3 1/4 = 13/4 in improper fraction form.

13/4*-0.26 = -0.845. This is the difference in the change.

John’s Bottle answer:

2 5/6 = 17/6 in improper form

17/6*-0.21 = -0.595 in difference.

Thank you! I hope this helps!

3 0

3 years ago

How do you factorise x^2 - 9.

Zinaida [17]

X ^ 2 - 9

= x ^ 2 - 3 ^ 2

It turns into 3 ^ 2
Because 3 ^ 2 = 9

The final answer is
= ( x + 3 )( x - 3 )

remember the formula :

a^2 - b^2 =(a+b)(a-b)

4 0

3 years ago

Of all the calls in the first quarter of year 5, how many were abandoned

11Alexandr11 [23.1K]

I do not know what you mean, but ok.

4 0

3 years ago

Oscar's spinner has scores from 1 to 4. The table shows the probabilities of scores 1, 2 and 3

Marina86 [1]

Hello! all the probabilities will add up to 1, so just subtract each of these to find 4.
1-0.1-0.5-0.1=0.3

4 had a probability of 0.3

5 0

2 years ago