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3241004551 [841]
2 years ago
9

john enlarges a square by using a scale of 8:1, how much greater is the area of the enlarged square in units squared than the or

iginal square?
Mathematics
1 answer:
Juli2301 [7.4K]2 years ago
5 0

Answer:

i would say by 7 not 100% sure sorry if it doesnt help :( im trying

Step-by-step explanation:

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A pizza parlor sold 38 1/2 pizzas during a dinner hour. If each pizza contained 8 slices, how many slices of pizza were sold?
MArishka [77]
308 slices would be sold.
38*8= 304, plus 4 slices in half a pizza makes 308 slices.
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3 years ago
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Compare 3.14 to 31.4 which is greater or least equal
expeople1 [14]
3.14 is smaller. the more the decimal is to the right the larger the number is
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Write As an equation
11111nata11111 [884]

Answer:

x + 8 = 20

Step-by-step explanation:

Using the keywords;

'more than' (addition)

'a number' which we can consider a variable

and 'equals'

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2 years ago
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Determine the equation of the line that is perpendicular to the line y = 3x + 4 and passes through the point (6, 2).
fomenos

Answer:

y = -1/3x + 4

Step-by-step explanation:

Perpendicular lines: Their gradients are reciprocals.

This means:

  • -1 ÷ Gradient 1 = Gradient 2
  • Gradient 1 * Gradient 2 = -1

Gradient of the given equation is 3.

-1 / 3 = -1/3

Gradient of the equation we're finding is -1/3

y = -1/3x + c

Substitute the coordinates in to find the value of c

2 = -1/3(6) + c

2 = -2 + c

2 + 2 = c

4 = c

y = -1/3x + 4

3 0
3 years ago
What must be true of two rational expressions before they can be added?
VladimirAG [237]

Answer:

They most have common denominators.

Step-by-step explanation:

Let the following two rational expressions:

\frac{p}{a}  , \frac{q}{b}

where p,a,q, b are integers, a and b the denominators are not 0, i.e. a,b\neq 0

We can add rational expressions only if their denominator is same.

That is why we find LCD to be ab.

Then,

\frac{p}{a} +\frac{q}{b} =\frac{pb+qa}{ab}

Let the following two rational expressions:

\frac{p}{a}  , \frac{q}{b}

where p,a,q, b are integers, a and b the denominators are not 0, i.e. a,b\neq 0

We can add rational expressions only if their denominator is same.

That is why we find LCD to be ab.

Then,

\frac{p}{a} +\frac{q}{b} =\frac{pb+qa}{ab}

So, the correct answer is the last option that we can sum rational expressions if they have common denominator.

3 0
3 years ago
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