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2 years ago

Answer for brainliest please

Mathematics

1 answer:

cestrela7 [59]2 years ago

7 0

Answer:

Scale factor = 2 for C

Scale factor = 2 for D

Scale factor = 2 for B

Step-by-step explanation:

Shape C has the dimensions of 2 x 6

Shape A has the dimensions of 1 x 3

Shape C is exactly 2 times an englargement of A because:

multiply 1 (dimension of A) times 2 (scale factors) = 2 (dimension of C)

multiply 3 (dimension of A) times 2 (scale factors) = 6 (dimension of C)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Shape D has the dimensions of 2 x 6

Shape A has the demensions of 1 x 3

Shape D is exactly 2 times an englargement of A because (same as C):

multiply 1 (dimension of A) times 2 (scale factors) = 2 (dimension of D)

multiply 3 (dimension of A) times 2 (scale factors) = 6 (dimension of D)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Shape B has the dimensions of 3 x 9

Shape A has the demensions of 1 x 3

Shape B is exactly 3 times an englargement of A because:

multiply 1 (dimension of A) times 3 (scale factors) = 3 (dimension of B)

multiply 3 (dimension of A) times 3 (scale factors) = 9 (dimension of B)

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The polynomial - 16t+ vt +s, represents the height (in feet) of an object, where v is the

Anna007 [38]

Answer:

At 1.5 seconds and 2.5 seconds

Step-by-step explanation:

Because this is parabolic motion, the object will reach the height of 68 feet when it's going up AND when it's coming down. In order to find out those times, you set the h on the left side of the equation equal to 68, because h stands for height.

Set that equal to 0 and factor to solve for t:

Using the quadratic formula, we get t = 1.5 and t = 2.5

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3 years ago

Which expressions are equivalent to 2 ln a + 2 ln b - ln a?

ycow [4]

Answer:

Choices 2, 3, and 5 are correct.

Step-by-step explanation:

Complete question is:

Check all that apply.

1. ln ab² - ln a

2. ln a + 2 ln b

3. ln a² + ln b² - ln a

4. 2 ln ab

5. ln ab²

ANSWER:

The given expression is : 2 ln a + 2 ln b - ln a

It simplifies to: ln a + ln b² = ln ab²

Checking the given options.

1. ln ab² - ln a = ln (ab²)/a = ln b²

FALSE

2. ln a + 2 ln b = ln ab²

TRUE

3. ln a² + ln b² - ln a = ln (a²b²)/a = ln ab²

TRUE

4. 2 ln ab = ln a²b²

FALSE

5. ln ab²

TRUE

4 0

3 years ago

Choose the surface area of a rectangular

olganol [36]

Answer:

592

Step-by-step explanation:

7 0

3 years ago

PLEASE HELP NOBODY WILL HELP ME I WILL GIVE BRAINLIEST

d1i1m1o1n [39]

Answer:

See below

Step-by-step explanation:

Let the number of Payday be p and Baby Ruth be b

Then sub of the candy bars:

p + b = 220

Payday candy bars worth ⇒ $2p
Baby Ruth candy bars worth ⇒ $3b
Total ⇒ $600

1. Required equations:

p + b = 220
2p + 3b = 600

2. Solving by substitution:

p = 220 - b, consider it in the second equation

2(220 - b) + 3b = 600
660 - 2b + 3b = 600
660 + b = 600
b = 660 - 600
b = 60

60 Baby Ruth candy bars sold

4 0

3 years ago

Let ƒ(x) = x2 + 2x and g(x) = 2x. Evaluate the composition (ƒ ∘ g)(2).

Juli2301 [7.4K]

Answer:

Step-by-step explanation:

g(2) = 2(2)= 4

f(4) = 4^2 + 2(4) = 16 + 8 = 24

6 0

3 years ago

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