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Tcecarenko [31]
3 years ago
13

Evaluate: 2-4 = help please

Mathematics
2 answers:
Akimi4 [234]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

Snezhnost [94]3 years ago
3 0

Answer:

-2 I'm pretty sure since you subtract 2 from four.

Step-by-step explanation:

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Vika [28.1K]
3/4 of 6/7.    The of means multiplication.

= 3/4  *  6/7.  2 into 4 is 2 and 2 into 6 is 3.
 = 3/2 * 3/7    No other number can divide, so we multiply out.
=9/14

That's the answer.
6 0
3 years ago
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Write and solve and equation to find how many movies they have time to show.
GalinKa [24]

Answer:

Equation 0.5 + 1.75(x) = 4

x = 2movies

Step-by-step explanation:

Given that,

movie night will last for 4 hours

each movie take 1.75 hours

time for eating popcorn 0.5 hours

To find,

number of movies which can be watched

<h2>Equation</h2><h2>0.5 + 1.75(x) = 4</h2><h2>Solve for x</h2><h3>1.75(x) = 4 - 0.5</h3><h3>1.75(x) = 3.5</h3><h3>x = 3.5/1.75</h3><h3>x = 2  </h3>

So, total number of movies which could be watched in 4hr = 2

<h3 /><h3 /><h3 /><h3 /><h3 /><h3 /><h3 />

7 0
3 years ago
Material for a dress costs £5.50 per metre.<br> find the cost of 10cm and 70cm
Zielflug [23.3K]

Answer:

<em>The cost of 10 cm and 70 cm are  £0.55 and £3.85 respectively.</em>

Step-by-step explanation:

Material for a dress costs £5.50 per meter.

We know that,  <u>1 meter = 100 cm</u>.

Suppose, the cost of 10 cm material is x and the cost of 70 cm material is y

Now, <u>according to the ratio of "cost" to the "length of material"</u> , we will get.......

\frac{x}{10} =\frac{5.50}{100}\\ \\ 100x=10*5.50=55\\ \\ x=\frac{55}{100}=0.55

and

\frac{y}{70} =\frac{5.50}{100}\\ \\ 100y=70*5.50=385\\ \\ x=\frac{385}{100}=3.85

So, the cost of 10 cm material is £0.55 and the cost of 70 cm material is £3.85

5 0
3 years ago
Solve the problem.
scoundrel [369]

Answer:

Step-by-step explanation:

7 0
3 years ago
What is the solution to y=5x+1 and y=-5x+15?
Semenov [28]

Answer:

x=7/5, y=8

Step-by-step explanation:

You can use substitution.

7 0
3 years ago
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