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Mazyrski [523]
3 years ago
8

-2(5x-1)+x=-4(x-3) PLS DO IT STEP BY STEP!!

Mathematics
2 answers:
MatroZZZ [7]3 years ago
8 0

Answer:

x= -2

Step-by-step explanation:

-2(5x-1)+x=-4(x-3)

Now, use distributive property on both sides

-10x+2+x = -4x+12

Simplify

-9x+2= -4x+12

-5x= 10

x=-2

Note: By the way, there are already calculators online that show complete steps for algebraic problems like these (if you didn't know). One example being- https://www.symbolab.com/

Don't use it for cheating tho :P

Over [174]3 years ago
4 0

Answer:

-10x+2+x=-4x+12

-9x+2=-4x+12

-9x+4x+2=12

-9x+4x=12-2

-5x=10

x=-2

Step-by-step explanation:

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Please help me with the question below
den301095 [7]
Answer:
15 feet

Explanation:
Triangle ABC is similar to triangle EDC, meaning they would’ve been congruent if it weren’t for their size.
This also means they don’t have the same side lengths but have the same proportions in comparison to each other.

The sides on the two triangles also correspond with each other. For example, line DC corresponds with line BC.
Knowing that, we can conclude that line ED also corresponds with line AB. Line ED is 12 ft and line AB is 4 ft. To get from 4 to 12, you multiply 3 (4*3=12).

Line EC also corresponds to line AC. So to calculate for line EC, we multiply the length of line AC by 3. 5*3=15, so therefore line EC is equal to 15.
5 0
4 years ago
line q passes through points (10, 6) and (1, 2). Line r is perpendicular to q. What is the slope of line r?
Gala2k [10]

Answer:

slope of r = -9/4

slope of Q =     4/9  

Step-by-step explanation:

x1 y1  x2 y2

10 6  1 2

   

(Y2-Y1) (2)-(6)=   -4  ΔY -4

(X2-X1) (1)-(10)=    -9  ΔX -9

   

slope=   4/9    

7 0
3 years ago
State weather the triangles are similar .If so write a similarity statement and the postulate theorem you used.The triangles are
emmasim [6.3K]

Answer:

The answer in the procedure

Step-by-step explanation:

we know that

If two triangles are similar, then the ratio of its corresponding sides is equal and its corresponding interior angles are congruent

so

\frac{OK}{ON}=\frac{OJ}{OM}

substitute the values

\frac{3}{4}=\frac{30}{40}

\frac{3}{4}=\frac{3}{4} -----> is true

Therefore

JK is parallel to MN

Triangles OMN and OJK are similar by AA Similarity Postulate ( The three interior angles are congruent)

Because

m<OKJ=m<ONM ----> by corresponding angles

m<KJO=m<NMO -----> by corresponding angles

m<JOK=m<MON -----> is the same angle

4 0
3 years ago
In the USA Today internet poll. 73% of readers indicated that they were satisfied with their lives. 73% of readers who are satis
lara31 [8.8K]

Answer:

73% of readers who are satisfied with their lives would be described as a sample statistic.

Step-by-step explanation:

The right option is D.

A) The population include all the readers of USA today.

B) The sample includes all the readers that answer the poll, wether they answer Yes or No.

C) A population statistic would be the population proportion. It is not mentioned in the text, and it would have to be estimated from the result of the sample.

D) A sample statistic is the proportion of readers that answer affirmatively the poll (p=0.73).

4 0
3 years ago
Helppppppppppppppppppppppppp
Gre4nikov [31]

Answer:

126°

Step-by-step explanation:

the internal sum of the angles is always 180

28+26= 54

180-54= 126

3 0
4 years ago
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