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Ira Lisetskai [31]
4 years ago
9

Does anyone know (3/4) to the power of -2?

Mathematics
1 answer:
german4 years ago
4 0
1.77777778 is the answer

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here is a list of ingredients for making 12 rock cakes nihay wants to make 42 cakes does she have enough sugar to make 42rock ca
Nostrana [21]

Step-by-step explanation:

So we know that for 12 rock cakes we need 225g flour and 75g sugar to get 42 rock cakes we need to multiply the number of ingredients by 3.5 (42/12 =3.5)

This gets us 787.5 g flour and 262.5 g sugar.

Show work:

42 \div 12 = 3.5

225 \times 3.5 = 787.5

75 \times 3.5 = 262.5

787.5 < 800

262.5 < 300

Nishat has enough flour and sugar to make 42 rock cakes.

8 0
3 years ago
The hypotenuse of a right triangle measures 7 cm and one of its legs measures 2 cm.
natita [175]
(2)^2+b2=7^2
4+b2=49
B2=45
Sqrt on both sides
B= sqrt(45)
B=6.7
8 0
3 years ago
I really need help please
sasho [114]

Answer:

a = 4, x = 1

Step-by-step explanation:

The opposite sides of a parallelogram are congruent , then

WX = YZ , that is

a² + 5a = 5a + 16 ( subtract 5a from both sides )

a² = 16 ( take the square root of both sides )

a = ± \sqrt{16} = ± 4

Since a > 0 , then a = 4

Also

XY = WZ , that is

x² + 6x = 4x + 3 ( subtract 4x + 3 from both sides )

x² + 2x - 3 = 0 ← in standard form

(x + 3)(x - 1) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 3 = 0 ⇒ x = - 3

x - 1 = 0 ⇒ x = 1

Since x > 0 , then x = 1

7 0
3 years ago
The total distance jim traveled on his bicycle during a 5 hour period is shown in the graph below.
Nonamiya [84]

Answer:

100 miles

Step-by-step explanation:

go on the 5 and look up and see how far.

4 0
3 years ago
Based on the family the graph below belongs to, which equation could represent the graph?
lord [1]

<u>Answer-</u>

<em>Equation 1</em><em> is the equation which represents the graph.</em>

<u>Solution-</u>

From the graph it can be noticed that, the function is a hyperbola. It is a rectangular hyperbola.

The general form of rectangular hyperbola is,

xy=c^2

Where c is a constant.

Equation 1 represents a function of rectangular hyperbola, with vertical asymptote as x=-2 .

Equation 2 represents an exponential function.

Equation 2 represents an cubic function.

Equation 2 represents logarithmic function.

Therefore, equation 1 is the equation which represents the graph.

7 0
3 years ago
Read 2 more answers
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