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djyliett [7]
1 year ago
13

50 POINTS MARKING BRAINLEIST PLS ANSWER ASAP

Mathematics
2 answers:
creativ13 [48]1 year ago
8 0

ANSWER IN THE ATTACHMENT ABOVE......

cestrela7 [59]1 year ago
8 0

Answer:

19

Step-by-step explanation:

2x+5+4x+6=53

6x+11=53

6x+11-11=53-11

6x=42

6x/6=42/6

x=7

Checking...

6(7)+11=42+11=53

53=53

Correct. Now, plug x into the equation for BC.

2(7)+5=14+5=19

BC=19

Hope this helps!

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Use substitution to solve the system.<br><br> X= ?<br> Y= ?<br><br> 5x+4y = -10<br> x = 3y+17
nikklg [1K]

Answer:

x=3.4

y=-6.75

Step-by-step explanation:

5x+4y=-10  (equation 1 )

-5x+3y=-17  (equation 2)

7y=-27

y=-6.75

substitution (equation 1 ) y=-6.75

5x-27=-10

5x=17

x=3.4

4 0
3 years ago
I NEED HELP WITH THIS <br> Q1
levacccp [35]

Answer:

\frac{1}{4} (x-5)=13

Step-by-step explanation:

So when we multiply this is what we get:

\frac{x-5}{4}=13

then we multiply the 4 by 13:

x-5=52

then after that we add 52+5 and we get:

x=57\\

4 0
2 years ago
Read 2 more answers
Which of the following are measurements for triangles that are similar to a triangle with sides measuring 6, 8, and 12? Check al
Thepotemich [5.8K]

Answer:

A, B, D

Step-by-step explanation:

Use the LCM to help...

6 0
3 years ago
An equation and the steps to solve it are shown below:
Sphinxa [80]
S1: 7x - 4x - 2 = 6 OK
S2: 3x - 2 = 6 OK
S3: 3x - 2 + 2 = 6 WRONG, correct is 3x - 2 + 2 = 6 + 2

Answer: c. Step 3, because a number has been added only to one side of the equation.
6 0
3 years ago
Select the correct answer from each drop-down menu. Right triangle ABC is represented with the right angle at vertex B. Base BC
Svetradugi [14.3K]

By using trigonometric relations, we will see that:

AC = 15.6 in

AB = 8.4 in.

<h3>How to get the measures of the other two sides of the right triangle?</h3>

Here we have the right triangle where:

B = 90°

C = 40°

BC = 10 in.

Notice that is the adjacent cathetus to the angle C, then we can use the two relations:

  • sin(a) = (adjacent cathetus)/(hypotenuse).
  • tan(a) = (opposite cathetus)/(adjacent cathetus).

Where:

  • hypotenuse = AC
  • opposite cathetus = AB.

Then we will have:

sin(40°) = 10in/AC.

AC = 10in/sin(40°) = 15.6 in

tan(40°) = AB/10in

tan(40°)*10in = AB = 8.4 in.

So we can conclude that for the given right triangle we have:

AC = 15.6 in

AB = 8.4 in.

If you want to learn more about right triangles:

brainly.com/question/2217700

#SPJ1

6 0
1 year ago
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