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PtichkaEL [24]
3 years ago
8

5.

Mathematics
1 answer:
Simora [160]3 years ago
4 0
A. Yes because -2(2-4) does equals =4
B. Yes because 26/2 does equals = 13
C. No because -3.8(2) equals -7.6 and not -7.4
D. No because 4(2-1)-3(2-2) equals 4 and not -8
You might be interested in
A)
satela [25.4K]

Answer:

9+10=21

Step-by-step explanation:

3 0
2 years ago
PLEASE HELP! for 10 pionts!
erastovalidia [21]

Answer: The answer is A.|7 + -2 + 5 + - 8|

Step-by-step explanation:

|7−2+5−8|

=|5+5−8|

=|10−8|

=|2|

=2

4 0
3 years ago
Read 2 more answers
An inhalation aerosol contains 225 mg of metaproterenol sulfate, which is sufficient for 300 inhalations. How many micrograms of
noname [10]

Answer:

Each inhalation has 750 micrograms of metaproterenol sulfate.

Step-by-step explanation:

First step: How many miligrams are there in each inhalation.This can be solved by a rule of three problem.

In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.

When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too.

When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease.

In this step, our measures are:

- The number of inhalations.

- The quantity inhaled.

As the number of inhalations increases, so does the quantity inhaled. This means that this is a direct rule of problem.

300 inhalations contains 225mg of metaproterenol sulfate. How many miligrams are in a inhalation?

300 inhalations - 225mg

1 inhalation - xmg

300x = 225

x = \frac{225}{300}

x = 0.75mg

Each inhalation has 0.75mg of metaproterenol sulfate.

Final step: Conversion of 0.75mg to micrograms.

Each mg has 1000 micrograms. So:

1mg - 1000 micrograms

0.75mg - x micrograms

x = 1000*0.75

x = 750 micrograms

Each inhalation has 750 micrograms of metaproterenol sulfate.

7 0
3 years ago
15:3 in its simplest form
irina1246 [14]

Answer:

5/1 or just 5

Step-by-step explanation:

rigtht 15:3 as 15/3 and then cancel 15 and three (3x1=3 and 3x5=15)

4 0
2 years ago
What are the coordinates of the circumcenter of a triangle with vertices a(0,1), b(2, 1), and c(2, 5)? enter your answer in the
ra1l [238]

The coordinate of the circumcenter of a triangle is (1,3).

Here we have to find the coordinates of the circumcenter of a triangle.

Given data:

The vertices of the triangle are:

A = (0,1)

B = ( 2,1)

C= ( 2,5)

The formula to find the distance between the two points:

Distance = \sqrt{(x2 - x1)^{2} + (y2-y1)^{2} }

In the same manner distance between AB, BC, and AC are:

AB = \sqrt{(2-0)^{2} + (1-1)^{2}  }

    = 2

BC = \sqrt{(2-2)^{2} + (5-1)^{2}  }

      = 4

AC = \sqrt{(2-0)^{2} + (5-1)^{2} }

     = 2√5

So by the Pythagoras, we get to know that the triangle is a right-angle triangle.

The circumcenter of a right-angle triangle is the midpoint of the hypotenuse.

Midpoint of AC = (0+2)/2 , (1+5)/2

                         = 2/2, 6/2

                         = 1,3

Therefore the coordinate of the circumcenter is (1,3).

To know more about the circumcenter refer to the link given below:

brainly.com/question/21299234

#SPJ4

6 0
1 year ago
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