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laila [671]
3 years ago
15

On a sunny day, a 4-foot red kangaroo casts a shadow that is 5 feet long. The shadow of a nearby

Mathematics
1 answer:
son4ous [18]3 years ago
8 0

Answer:

16 feet

Step-by-step explanation:

Set up a proportion where x is the height of the tree:

\frac{4}{5} = \frac{x}{20}

Cross multiply and solve for x:

5x = 80

x = 16

So, the tree is 16 feet tall

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Density is mass divided by volume. Find the density of an aluminum block with a mass of 35 grams and a volume of 14 cm3?
castortr0y [4]
The answer is 2.5 g/cm 3 :)

6 0
3 years ago
What is the least possible value of 8x-13 when 9 is less than or equal to 3/4 + x?
Kruka [31]

The least possible value of 8x - 13 when 9 is less than or equal to 3/4 + x is;

53.

According to the question;

  • 9<=3/4 + x.

Therefore,

  • 9 -3/4 <= x

  • 8 1/4 <= x

Therefore, x >= 33/4.

The least possible value of x is therefore, 33/4

The expression 8x -3 becomes;

  • 8(33/4) -13

  • =66 - 13

  • = 53.

Therefore, the least possible value of 8x - 13 is;

53.

Read more;

brainly.com/question/18370359

6 0
2 years ago
Ab=6cm<br> Ac=12cm<br> Calculate the length of CD
KatRina [158]

Answer:

12.7 cm

Step-by-step explanation:

ABC

12² = 6² + BC²

12² - 6² = BC²

144 - 36 = 108

CB² = 108

√108 = 10.392

CB = 10.392

CBD

Sin (55°) = CB / CD

0.81915 = √108 / CD

CD = 10.392 / 0.81915

CD = 12.686

CD = 12.7cm

3 0
2 years ago
Thank yous to whoever solves first. I will mark brainliest
Montano1993 [528]

Answer:

B

Step-by-step explanation:

7 0
2 years ago
What should be multiplied by the expression in the image to obtain the smallest square
makkiz [27]

Answer:

2xy

Step-by-step explanation:

Here, we want to obtain the number with the smallest square

To get this, we simply find the nearest number square which is 2

The nearest x squared which is x (to get x^4)

The nearest y squared which is y (to get y^2)

Thus, the smallest number so we get a square will be; 2xy

4 0
2 years ago
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