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bazaltina [42]
2 years ago
14

Please solve I need help brain list to correct and first ​

Mathematics
2 answers:
julia-pushkina [17]2 years ago
7 0

Answer:

12y

Step-by-step explanation:

you do 6y-2y=4y

then 4y+8y=12y

so it's 12y

hope that helps :)

natima [27]2 years ago
6 0

Answer:

It C

Step-by-step explanation:

6y-2y is 4y and 4y+ 8y is 12y

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What is the length of BC?<br> A. 6 2/3 cm<br> B. 5cm<br> C. 4cm<br> D. 6cm
Sergio039 [100]

Thought I already answered this.  I must have forgotten to click "add your answer."

We have similar triangle trianges ABC ~ ADE so

BC:AB = DE:AD

BC:2  = 10 : (2+3) = 10:5 = 2:1

So BC=4 because 4:2 = 2:1

Choice C.

6 0
3 years ago
In this triangle, what is the value of x? Enter your answer, rounded to the nearest tenth, in the box. x = A right triangle with
algol [13]

Answer:

The measure of angle x is 26.1\°

Step-by-step explanation:

In this problem we know that

The tangent of angle x is equal to divide the opposite side angle x to the adjacent side angle x

tan(x)=\frac{26}{53}

x=arctan(\frac{26}{53})=26.1\°

6 0
2 years ago
Gavin's dog had a litter of puppies. All of the puppies in this litter were either yellow or black. If there was one less black
mezya [45]

Answer:

Total number of puppies in the litter = 11

Step-by-step explanation:

Let the number of yellow puppies in the litter = y

And the number of black puppies in the litter = b

If there was one less black puppy, ratio of yellow to black puppies = \frac{2}{3}

\frac{y}{b-1}=\frac{2}{3}

2(b - 1) = 3y

3y - 2b = -2 -----(1)

If there was one more black puppy, ratio of yellow puppies to black puppies = \frac{1}{2}

\frac{y}{b+1}=\frac{1}{2}

2y = b + 1

2y - b = 1 -------(2)

Equation (1) - 2× equation (2)

(3y - 2b) - 2(2y - b) = -2 - 2

3y - 4y - 2b + 2b = -4

y = 4

From equation (1),

3×4 - 2b = -2

12 - 2b = -2

-2b = -14

b = 7

Total number of puppies in the litter = 7 + 4 = 11

4 0
2 years ago
-4y+20=-x solve for y
melisa1 [442]

Answer:

y = x/4 + 5

Step-by-step explanation:

Solve for y:

20 - 4 y = -x

Hint: | Isolate terms with y to the left-hand side.

Subtract 20 from both sides:

-4 y = -x - 20

Hint: | Solve for y.

Divide both sides by -4:

Answer: y = x/4 + 5

5 0
3 years ago
Read 2 more answers
I suck at graphs HELP ASAP QUESTION BELOW
kakasveta [241]

ANSWER

A (-∞,-2)

B (0,4).

EXPLANATION

The portion of the graph that is above the x-axis is considered positive.

From the graph the curve is above the x-axis on the interval

(-∞,-2) and (0,4).

The first and second options are correct.

7 0
3 years ago
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