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3 years ago

Find the coordinates of the midpoint of HX given that H(-1,3) and X(7,-1).

Mathematics

2 answers:

Elis [28]3 years ago

8 0

A. find the average of both x's for the x value, and the average of both y's for the y value. (-1+7)=3 (3+(-1))=1

Ludmilka [50]3 years ago

4 0

Number one) B

Number two) A

Number three) C

Number four) A

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As of July 1, 2014, the population of India was about 1,267,000,000. How can you write this number in scientific notation?

skelet666 [1.2K]

Answer:

1 I think its 1.267000000

Step-by-step explanation:

4 0

3 years ago

Joshua is 1.45 meters tall. At 2 p.m., he measures the length of a tree's shadow to be 31.65 meters. He stands 26.2 meters away

Lena [83]

Answer:

The height of the tree=8.42 m

Step-by-step explanation:

We are given that

Height of Joshua, h=1.45 m

Length of tree's shadow, L=31.65 m

Distance between tree and Joshua=26.2 m

We have to find the height of the tree.

BC=26.2 m

BD=31.65m

CD=BD-BC

CD=31.65-26.2=5.45 m

EC=1.45 m

All right triangles are similar .When two triangles are similar then the ratio of their corresponding sides are equal.

$\triangle ABD\sim \triangle ECD$

$\frac{AB}{EC}=\frac{BD}{CD}$

Substitute the values

$\frac{AB}{1.45}=\frac{31.65}{5.45}$

$AB=\frac{31.65\times 1.45}{5.45}$

$AB=8.42m$

Hence, the height of the tree=8.42 m

6 0

3 years ago

Resale Value Garland Mills purchased a certain piece of machinery 2 years ago for $500,000. Its present resale value is $420,000

Natasha2012 [34]

Answer:

260,000

Step-by-step explanation:

The value decreases by 40,000 per year (500000-42000/2 years) the value will decrease by 240000 in six (4 years plus 2 years already passed) years. 6 x 40,000 =240000

So, the value should be 260,000 (500000-240000)

year 1 500000-40000=460000

year 2 460000-40000=420000

year 3 420000-40000=380000

year 4 380000-40000=340000

year 5 340000-40000=300000

year 6 300000-40000=260000

6 0

3 years ago

What question do you ask when gathering your recorces in math

SOVA2 [1]

Normally when you're gathering sources it depends on what the topic is, what time or day, you try to find facts, and you see if there are any other useful information.

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3 years ago

Read 2 more answers

Write the ordered pairs of the plotted points. a. b. C. d ?!?!?!?

elixir [45]

Answer:

A = (6,0)

B = (5,8)

C = (9,8)

D = (2,4)

7 0

2 years ago