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SVEN [57.7K]
3 years ago
14

PLEASE HELP! Fill in the reason for statement 3 in proof below: SAS AA SSS

Mathematics
2 answers:
Andru [333]3 years ago
6 0

Answer:

SAS

Step-by-step explanation:

  • You can notice that you have ED/AB = CD/BD
  • You have one common angle
ivann1987 [24]3 years ago
5 0

Answer:

SAS

Step-by-step explanation:

ΔABD ~ ΔECD is similar through:

S - because ED = CD (Given)

A - same angle ∠D (Statement 2)

S - because AD = BD (Given)

Cheers!

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Olve for x. 3(3x - 1) + 2(3 - x) = 0 x = 3/7 x = -3/7 x = 1/3 x = -1/3
zloy xaker [14]

<u>Answer:</u>

x = -3/7

<u>Step-by-step explanation:</u>

We are given the following equation for which we have to solve for x:

3(3x - 1) + 2(3 - x) = 0

So we will start by expanding the equation by multiplying the common factor with the brackets to get:

9x-3+6-2x=0

Arranging the like terms together (variables on one side of the equation and constants on the other side) to get:

9x-2x=3-6\\\\7x=-3\\\\x=-\frac{3}{7}

Therefore, x = -3/7.

8 0
4 years ago
Could someone please explain how to plot the x-intercept of the first equation and what the answer would be?
Elis [28]

Answer:

You would start in the middle of the number line, move right to positive 4x then move up 2 units to land right in line with 2y this is where your plot would be.

Step-by-step explanation:

Hope this helps mark brainliest please!

4 0
3 years ago
If a + b = 7 and b=3, what is 4a<br> A. 20b<br> B. 17a<br> C. 16<br> D.20
evablogger [386]
C 16 because a is 4 and 4 times 4 is equal to 16
3 0
3 years ago
Read 2 more answers
A staff gauge measures the height of the water level in a river compared to the average water level. At one gauge the river is 1
Juli2301 [7.4K]

The river will not reach a level of 7 ft. after 5 hours.

A linear equation is in the form:

y = mx + b

where y, x are variables, m is the rate of change and b is the initial value of y.

Let y represent the height of the water level after x hours.

Since the  river is 1 ft below its average water level and  begins to rise by a constant rate of 1.5 ft per hour. Hence:

b = -1, m = 1.5. The equation becomes:

y = 1.5x - 1

To reach a level of 7 ft. That is y = 7:

7 = 1.5x - 1

1.5x = 8

x = 5.3 hours

The river will not reach a level of 7 ft. after 5 hours.

Find out more at: brainly.com/question/13911928

5 0
2 years ago
The angles below are supplementary. What is the value of x?
Natalka [10]

<u>Answer:</u>

  • 12 is the value of x.

<u>Step-by-step explanation:</u>

<u>Supplementary angles: Two angles that sum up to 180°</u>

  • => 6x + 48 + 60 = 180
  • => 6x + 108 = 180
  • => 6x = 180 - 108
  • => 6x = 72
  • => x = 72/6
  • => x = 12

Hence, 12 is the value of x.

BrainiacUser1357

4 0
2 years ago
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