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2 years ago

What is the product of (-1/4) x (-3/7)? * please show work

2 answers:

6 0

Answer: 3/28

Step by Step Explanation:
To solve this equation, we do NOT need the same denominator.
And since both fractions are negative, we know the answer is going to be positive.
So we just multiply normally.

-1/4 • -3/7

We cannot cross cancel anything, so we just multiply across.

-1 • -3 = 3
-4 • -7 = 28

So our answer is 3/28.

Hope this helps! :3

Shkiper50 [21]2 years ago

4 0

(-1/4) x (-3/7)

= (-1 x -3)/4 x 7

= 3/28

3/28 is the answer.

Hope it helps:)

Please mark me as the Brainliest.

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What is the value of w?

sergeinik [125]

Answer: Most likely, the value of w is 5 units.

Step-by-step explanation: P = 2L + 2w

If the perimeter is 28, the side lengths must be less than 14, otherwise there is no width, just two lines on top of one another.

If the width is 7, then all four sides would be 7 units, and that would create a square-- which is a type of rectangle-- but probably not what this question is about.

A width of 5 units makes sense, 2w would be 10, leaving 28-10 = 18 to be divided by 2 for lengths of 9

The rectangle would have a width of 5 units and a length of 9 units.

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2 years ago

Kay has 28 coins which includes nickels and dimes if the total is 2.35$, how many of each coin does Kay have?

m_a_m_a [10]

Answer:9 nickels and 19 dimes.

Step-by-step explanation:

Let $n$ be the number of nickels Kay has.

Let $d$ be the number of dimes Kay has.

Value of $1$ nickel is $ $0.05$

Value of $n$ nickels is $ $0.05n$

Value of $1$ dime is $ $0.1$

Value of $d$ nickels is $ $0.1dn$

Given that Kay has a total of $28$ coins.

So, $n+d=28$ ...(i)

Given that Kay has a total value of $ $2.35$

So, $0.05n+0.1d=2.35$ ...(ii)

Using (i) and (ii),

$0.05n+0.1(28-n)=2.35\\0.05n+2.8-0.1n=2.35\\2.8-2.35=0.05n\\0.45=0.05n\\n=9$

$d=28-n=28-9=19$

4 0

3 years ago

Complete Eduardo's definition of parallel lines: "If two coplanar lines are both perpendicular to a third line in the same plane

vredina [299]

Appendicular because science isn’t everything.

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2 years ago

25. Find the sum of (8p2-2p + 15) and (11 – 2p2 – 1).

Vlad [161]

Hope this will help u...:)

6 0

2 years ago

Read 2 more answers

Please answer I’ll pay you $100 lol thanks

Nesterboy [21]

Answer:

d = $\pi$

e = $-\sqrt{8}$

f = $\frac{3}{2}$

Step-by-step explanation:

D is equal to pi because pi is 3.1415... Therefore we need a point that is a little more than -3 and that is point d.

$-\sqrt{8}$ is roughly equal to -2.8 because 3 * 3 = 9 so that is too much, and 2 * 2 = 4 is too little so it has to be between -2 and -3. Therefore the point is e.

For 3/2 it has to be less than 2 because 2 cannot go into 3 more than once. The point would then be point f.

Hope this helps!!

- Kay :)

4 0

2 years ago