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4 years ago

Albert had a goal of saving $80. He saved 115% of his goal. How much money did Albert save?

1 answer:

4 0

You would multiply 80 times 1.15 because you cannot multiply a number by a percent, which would get you the answer of $92. To check this you would divide 92 by 1.15 which gets you 80. So Albert saved $92.

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What is the reciprocal of 5/9

Nat2105 [25]

Answer:

$\frac{9}{5}$

Step-by-step explanation:

To find the reciprocal, divide 1 by the number given'

$\frac{1}{\frac{5}{9} }$

(if you can't see it, it is 1 over 5/9)

Simplify;

Multiply the numerator by the reciprocal of the denominator.

$1(\frac{5}{9} )$

(if you can't see it, it is 1 × 5/9)

Multiply $\frac{9}{5}$ by 1.

$\frac{9}{5}$

So our answer is $\frac{9}{5}$ !

We did it!

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3 years ago

2a^3+a^2–17–3a^2+a^3–a –80

adelina 88 [10]

Answer:

=3a^3−2a^2−a−97

Step-by-step explanation:

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3 years ago

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3 years ago

Find the equation of the circle whose center and radius are given.

timama [110]

Answer:

(x-7)^2 + (y+3)^2 = 49

Step-by-step explanation:

The general equation for a circle is given by

(x-h)^2 + (y-k)^2 = r^2

where ( h,k) is the center and r is the radius

(x-7)^2 + (y- -3)^2 = 7^2

(x-7)^2 + (y+3)^2 = 7^2

(x-7)^2 + (y+3)^2 = 49

7 0

3 years ago

Read 2 more answers

Question

Rus_ich [418]

9514 1404 393

Answer:

S = 4.5π ≈ 14.14 units

Step-by-step explanation:

The arc length is given by ...

s = rθ . . . . . r = radius; θ = central angle in radians

The angle 135° is ...

135° = 135°(π/180°) = 3π/4 radians

The arc of interest has length ...

s = 6×3π/4 = 9/2π ≈ 14.14 . . . units

8 0

3 years ago