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3 years ago

10

Benjamin has enough icing to cover a 1/3 -square-foot cake.He wants to use the icing to cover 2 equal-sized cakes.What is the si

ze of each of two cakes that Benjamin can cover with the icing?

1 answer:

mr_godi [17]3 years ago

8 0

Answer:

we will divide ⅓ by 2

⅓/2 = ⅔

so the answer is ⅔

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3 years ago

Find the domain and the range

vampirchik [111]

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D: all real numbers, R: y ≤ -4

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R: y ≤ -4

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3 years ago

Please help with these

MatroZZZ [7]

Set up a proportion.

$\frac{3~minutes}{2~questions}$ = $\frac{x~minutes}{12~questions}$

Cross multiply.

2x=36
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It would take her 12 minutes.

-----------------------------------------

Formula for surface area of a cube: 6a² where a=20.

6 x (20)²
6 x 400
= 2400

Surface area: 2400 cm

----------------------------------------------

Mean absolute deviation: The average distance from each number in the set to the mean of the set.

Mean of the set: $\frac{(3+8+10+12+15)}{5} = \frac{48}{5} = 9.6$

9.6-3=6.6
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10-9.6=0.4
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4 years ago

What is the perimeter of triangle ABC?

julia-pushkina [17]

Answer:

18 units

Step-by-step explanation:

Using the midpoint theorem, the perimeter of the triangle formed by joining the midpoints of the original triangle is exactly half the size in perimeter

What we mean in this case is that the perimeter of BAC IS two times the perimeter of EDF

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8 0

3 years ago

A. f(x)=4*2^x<br> B.f(x)=0.5*(4)^x<br> C.f(x)=2*(0.5)^x<br> D.f(x)=4*(0.5)^x

Ne4ueva [31]

ANSWER
The answer is D

$f(x) = 4{(0.5)}^{x}$

EXPLANATION

Let the exponential function be of the form

$f(x) = a {b}^{x}$

Each box on both the x and y axes is one unit.

The graph passes through the point $(0,4)$ .

This point must satisfy the equation above.

$4 = a {b}^{0}$

This implies that,

$4 = a(1)$

$a = 4$

The function now becomes,

$f(x) = 4 {(b})^{x}$

The graph also passes through

$(1,2).$

We substitute this point too to get,

$2 = 4 {b}^{1}$

This implies that,

$2 = 4b$

$b = \frac{2}{4}$

$b = \frac{1}{2}$

or

$b = 0.5$

We substitute back to get,

$f(x) = 4 {(0.5})^{x}$

The correct answer is D.

6 0

3 years ago