Can someone please simplify these.

Mathematics

1 answer:

Annette [7]4 years ago

3 0

Answer:

9 is -4b with the little thing on top is 4.

Step-by-step explanation: hope that helped a little and could i get a brainlist thing...

10 is

y with the thing on top is 5

fraction with a "-"

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A rectangle. one side is 2x + 7 and the other is x+3

saveliy_v [14]

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6x + 20

Step-by-step explanation:

To find :-

Perimeter of rectangle

Given :-

Length = 2x + 7

Breadth/width = x + 3

Solution :-

We know that

$\mathfrak {perimeter \: of \: rectangle =2(length + breadth) }$

Now we will substitute the values of length and breadth

$\sf \longmapsto perimeter = 2 \{(2x + 7) + (x + 3) \} \\ \\ \\ \sf \longmapsto perimeter = 2 \{3x + 10 \} \\ \\ \\ \sf \longmapsto perimeter = 6x + 20$

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2 years ago

Why do two negative numbers multiplied equal a positive?

omeli [17]

Write these steps down

Positive times positive=positive
Negative times positive=negative
negative times negative= positive

when any two numbers that are negative it will always equal a positive.
Its a rule for math.

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4 years ago

The diagonal of a rectangle is 25 in. The width is 15 in. What is the area of the rectangle?

lord [1]

The area of the rectangle would be 375

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3 years ago

What is 88 divided by 4,048

grandymaker [24]

Answer:

It's supposed to me 4,048 divided by 88. That would have made it a lot easier for you :)

I'm happy to help you :)