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baherus [9]
3 years ago
5

A 5’6 tall student cast a shadow 8 foot long at the same time a tree cast a 30 foot shadow how tall is the tree

Mathematics
1 answer:
Gala2k [10]3 years ago
6 0

Answer: its gotta be 26 feet and 6 inches

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HELP ASAP<br> PLZ ITS URGENT
Radda [10]

Answer:

It landed at a height of 14 feet

Step-by-step explanation:

Given

y = -\frac{1}{8}x^2 +4x --- Path of a t-shirt

3y = 2x - 14 --- height of bleachers

Required

Height when t-shirts land in bleachers

3y = 2x - 14

Make y the subject

y = \frac{2}{3}x - \frac{14}{3}

Substitute y = \frac{2}{3}x - \frac{14}{3} in  y = -\frac{1}{8}x^2 +4x

\frac{2}{3}x - \frac{14}{3} =  -\frac{1}{8}x^2 +4x

Multiply through by 24

16x- 112 = -3x^2 +96x

Express as:

3x^2 + 16x  -96x- 112 = 0

3x^2 -80x- 112 = 0

Using a calculator:

x = 28 or x = -\frac{4}{3}

x can not be negative:

So:

x = 28

Substitute x = 28 in y = -\frac{1}{8}x^2 +4x to calculate the height it landed

y = -\frac{1}{8} * 28^2 + 4 * 28

y = 14

8 0
3 years ago
Find the surface area of the rectangular prism
irina [24]

Answer:

d 100

Step-by-step explanation: 2(7*4)+2(4*2)+2(7*2)= 56+16+28=100

7 0
3 years ago
Read 2 more answers
Maria says that 6.25 os 1/100 the value od 625.Wriye an explanation to support Maria's statement.You can use equations or models
KonstantinChe [14]
<span>To explain how these values are related, take the second value (625) and multiply it by 1/100, or in decimal form, 0.01. This is the equivalent of moving the decimal point two spaces to the left, which will give a result of 6.25. (625 * 0.01 = 6.25). This shows that the two values are 100 times different than each other.</span>
4 0
4 years ago
1. Circle or highlight the letter that correctly identifies the following exponential equation into its equivalent logarithmic f
almond37 [142]

9514 1404 393

Answer:

  B. loga(p) = m

Step-by-step explanation:

Equivalent forms are ...

  a^m=p\quad\longleftrightarrow\quad\log_a(p)=m

_____

<em>Additional comment</em>

It helps me to remember that a logarithm is an exponent. The base of the exponent is the base of the logarithm.

3 0
3 years ago
If (a-2)^2+(b+1)^2+(c-3)2 =0 then the value of a^2/4+b^2+c^2/3
almond37 [142]

The correct answer is 2. a = 1/2, b = - 3, c = -2

Step-by-step explanation:

1. Let's review the information provided for an answering the question correctly:

0 =1/2x^2- 3x- 2

0 = 1/2x² - 3x - 2

2. Let's find the values for a, b and c.

According to the quadratic equation, we have:

a = 1/2

b = - 3

c = - 2

The correct answer is 2. a = 1/2, b = - 3, c = -2

     

(❤´艸`❤)

7 0
3 years ago
Read 2 more answers
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