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andreev551 [17]
3 years ago
8

What is the midpoint of the segment shown below

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
7 0

I would say B is the answer

chubhunter [2.5K]3 years ago
7 0

Answer:

D

Step-by-step explanation:

Using the midpoint formula

midpoint of 2 points (x₁, y₁ ) and (x₂, y₂ ) is

[ \frac{1}{2}(x₁ + x₂), \frac{1}{2}(y₁ + y₂ ) ]

let (x₁, y₁ ) = (- 1, 5) and (x₂, y₂ ) = (5, 5), then midpoint is

[ \frac{1}{2}(- 1 + 5), \frac{1}{2}(5 + 5) ]

= (2, 5) → D

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The scale used on a map is 5 millimeters represents 32 kilometers. How many millimeters represent 160 kilometers?
goblinko [34]
160/32= 5

5*5= 25 mm

25 mm <em>is how many millimeters represents the kilometers.
</em>

I hope this helps!
~kaikers
7 0
3 years ago
How many quarts of pure antifreeze must be added to 8 quarts of a 40% antifreeze solution to obtain a 60% antifreeze solution
anyanavicka [17]

Let <em>q</em> be the number of quarts of pure antifreeze that needs to be added to get the desired solution.

8 quarts of 40% solution contains 0.40 × 8 = 3.2 quarts of antifreeze.

The new solution would have a total volume of 8 + <em>q</em> quarts, and it would contain a total amount of 3.2 + <em>q</em> quarts of antifreeze. You want to end up with a concentration of 60% antifreeze, which means

(3.2 + <em>q</em>) / (8 + <em>q</em>) = 0.60

Solve for <em>q</em> :

3.2 + <em>q</em> = 0.60 (8 + <em>q</em>)

3.2 + <em>q</em> = 4.8 + 0.6<em>q</em>

0.4<em>q</em> = 1.6

<em>q</em> = 4

4 0
2 years ago
What does 90-3x equal
Nikolay [14]
90-3x=?

Get x to one side 

So minus 90 from each side

-3x=-90

-90÷-3=30

Answer: x=30 

6 0
3 years ago
Find the probability of having 2,3, or 4
Vikki [24]

Answer:

120%

Step-by-step explanation:

3 0
3 years ago
Half of the tuna sandwich were on white bread. 25% of the ham sandwiches sold were on brown bread.
fgiga [73]

Answer:

The frequency table is shown below.

Step-by-step explanation:

(i) Half of the tuna sandwich were on white bread = 21

On brown bread, tuna = 42 - 21 = 21

(ii) 25% of the ham sandwiches sold were on brown bread.

= 25% (32) = 8

On white bread, 32 - 8 = 24

Frequency table:

                     Tuna             Cheese          Ham         Total

Brown             21                     11                    8                40

White              21                     15                  24               60

Total                42                     26                 32              100

6 0
3 years ago
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