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MissTica
3 years ago
11

Help! Best answer gets brainliest

Mathematics
1 answer:
julsineya [31]3 years ago
7 0

Answer:

7.9

Step-by-step explanation:

the first thing to do is find the second projection.

16-7 = 9

than we can use a proportion to find BD

7 : BD = BD : 9

BD = √9 x 7 = √63 = 7.9

we have to use the square root because in the proportion BD Is repeated two times. If we don’t use it, we find BD^2

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Evaluate 4x + 6 for x = 3. 18 13 49 36
scoray [572]

Answer:

18

Step-by-step explanation:

4(3)=12

12+6=18

6 0
3 years ago
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5x + 2y = 12<br><br> 5x – 2y = 28<br> Solve by substitution
andrey2020 [161]

Answer:

Divide each term by  

5

and simplify.

Tap for more steps...

x

=

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+

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x

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4

(

2

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+

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=

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y

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+

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.

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x

=

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+

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8

y

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+

48

5

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48

5

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28

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3

y

to the left side and simplify.

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x

=

2

y

5

+

12

5

23

(

y

−

4

)

5

=

0

Solve for  

y

in the second equation.

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x

=

2

y

5

+

12

5

y

=

4

Replace all occurrences of  

y

in  

x

=

2

y

5

+

12

5

with  

4

.

x

=

2

(

4

)

5

+

12

5

y

=

4

Simplify  

2

(

4

)

5

+

12

5

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x

=

4

y

=

4

The solution to the system of equations can be represented as a point.

(

4

,

4

)

The result can be shown in multiple forms.

Point Form:

(

4

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4

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Equation Form:

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Step-by-step explanation:

7 0
3 years ago
Janet scored 200 and 400 points in the first 2 rounds of a computer game.
7nadin3 [17]

Answer:

B. (200+400)-250=p

Step-by-step explanation:

Let p be number of points Michael needs to score in 2nd game to catch up.

We have been given that Janet scored 200 and 400 points in the first 2 rounds of a computer game. So the total points scored by Janet in two games will be: (200+400) points.

We are also told that Michael had scored 250 points in the first round and he want to get the same total score as Janet.

So we can find the number of points Michael needs to score to catch up Janet by subtracting the number of points scored by Michael in 1st game from total number of points scored by Janet in two games. We can represent this information in an equation as:

(200+400)-250=p

Therefore, the equation (200+400)-250=p will help Michael to find the number of points he need to catch up Janet and option B is the correct choice.


3 0
4 years ago
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belka [17]

Answer:

590

Step-by-step explanation:

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4 0
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