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AysviL [449]
2 years ago
7

How to solve all fraction algebra?

Mathematics
1 answer:
kap26 [50]2 years ago
7 0

Answer:

-  \frac{1}{5}  -  \frac{4}{9} a =  \frac{2}{15}

-  \frac{4}{9} a =  \frac{2}{15}  +  \frac{1}{5}  \\  \\  -  \frac{4}{9} a =  \frac{1}{3 }  \\  \\  ( - 4 \times 3)a = (1 \times 9) \\  - 12a = 9 \\ a =   - \frac{9}{12}  \\  \\ { \underline{ \:  \: a =   - \frac{3}{4}  \:  \: }}

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Y=5/2x-19 and 5x+2y=-8 a perpendicular,parallel or intersecting lines?
dimaraw [331]

Answer:

There intersecting lines

Step-by-step explanation:

5x+2y=-8

-5x            -5x

2y=-8 -5x

/2   /2  /2

y=-4 -5/2x also

y=-5/2x - 4

&

y=5/2x - 19

neither parallel (slope is not the same)

or perpendicular (slope is not reciprocal or opposite signed)

hope i helped

6 0
3 years ago
Pls hurry on a test
olga nikolaevna [1]

Answer:

B

Step-by-step explanation:

Meet at the middle of the two lines

4 0
2 years ago
Read 2 more answers
Which methods will determine 70% of 42?
Dennis_Churaev [7]

Answer:

C

Step-by-step explanation:

Given

(3x + 7)(2x - 6)

Each term in the second factor is multiplied by each term in the first factor, that is

3x(2x - 6) + 7(2x - 6) ← distribute both parenthesis

= 6x² - 18x + 14x - 42 ← collect like terms

= 6x² - 4x - 42 → C

5 0
2 years ago
Read 2 more answers
Calculate the distance between the points (-6, 4) and (5, -1). Round to the nearest tenth.
ludmilkaskok [199]
It will be 42 because of the with times the 2nd highest
4 0
3 years ago
PLEASE HELP ME MY BRIAN IS LIKE PUTTY 50 points for correct answerr
Darina [25.2K]

Answer:

Part A :

The scale factor of the dilation that transforms triangle PQR to triangle P'Q'R' is divided by 3.

Part B :

P"(-1,2), Q"(0,3), R"(1,0)

Part C :

Triangle PQR and P"Q"R" are not congruent because congruent means equal and similar but triangle PQR and P"Q"R" are proportional because they are rational to each other but do not have the same measures of sides but the angles are congruent.

This is the graphing of the triangle.

8 0
2 years ago
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