3 years ago

Which of the following expressions is evuivalent to 5x-(4+2(x-1)

Mathematics

1 answer:

svetlana [45]3 years ago

7 0

Answer:

3x-2

Step-by-step explanation:

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Graph y = -½ x -3 mathematics

Dominik [7]

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3 years ago

In triangle $ABC,$ point $D$ is on $\overline{AC}$ such that $AD = 3CD = 12$. If $\angle ABC = \angle BDA = 90^\circ$, then what

Neporo4naja [7]

Answer:

$BD=4\sqrt{3}\ units$

Step-by-step explanation:

we know that

$AD=12\ units$

$3CD=12$ ----> $CD=4\ units$

see the attached figure to better understand the problem

Triangles ABD and BCD are similar by AA Similarity Theorem

Remember that

If two figures are similar, then the ratio of its corresponding sides is proportional

$\frac{BD}{AD}=\frac{CD}{BD}$

substitute the given values

$\frac{BD}{12}=\frac{4}{BD}$

$BD^2=48$

$BD=\sqrt{48}\ units$

simplify

$BD=4\sqrt{3}\ units$

8 0

3 years ago

Choose the slope-intercept form of 3x + 2y = 5.

Nataly_w [17]

Answer:

y = -3x/2 + 5/2

Step-by-step explanation:

Well, basically what you do is modify it so that y is on one side.

3x+2y = 5

2y = 5-3x

y = (5-3x)/2

y = 5/2 -3x/2

So, the answer is the second option.

4 0

3 years ago

Read 2 more answers

Jamie opened a savings account with $1000. Each month, she will add $35 to the account. Let y represent the amount of money in t

ra1l [238]

Answer:

The answer is c: y = 35x + 1000

Step-by-step explanation:

Jamie starts off with 1000 which means that no matter how much more money she adds to the account she still has to add the 100 she already has. Then she is adding $35 per month so it would be positive 35 so the correct equation is

35x +1000

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3 years ago

Which equation represent the line that passes through the points (-4,3) and (2,-12)

Lina20 [59]

I'm pretty sure it's: 5x + 2y = –14

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3 years ago