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zzz [600]
3 years ago
14

What is 1/9 - 2 4/9 - 5/9

Mathematics
2 answers:
ANEK [815]3 years ago
4 0

Answer:

10

Step-by-step explanation:

Ymorist [56]3 years ago
3 0
1/9-22/9-5/9
-21/9-5/9
-26/9
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A system of linear equations is given as x + 3y = 36 and 4x + 5y = 9. Which of the following is a possible first step when solvi
Nikitich [7]

Answer:

Rewrite the first equation as x = 36 – 3y.

Step-by-step explanation:

x + 3y = 36 (1)

4x + 5y = 9 (2)

Using substitution method

From (1)

x = 36 - 3y

Substitute x = 36 - 3y into (2)

4x + 5y = 9

4(36 - 3y) + 5y = 9

144 - 12y + 5y = 9

- 12y + 5y = 9 - 144

-7y = -135

y = -135 / -7

y = 19.3

There is an error with the second equation, 4x + 5y can not be equal to 9

Nevertheless, the first step when solving by substitution is:

Rewrite the first equation as

x = 36 – 3y.

4 0
3 years ago
Solve the following equations <br> 5^2x-2(5^x)-15=0
castortr0y [4]

Answer:

x = 1

Step-by-step explanation:

{5}^{2x}  - 2( {5}^{x} ) - 15 = 0

( {5}^{x}  {)}^{2}  - 2 \times  {5}^{x}  - 15 = 0

{t}^{2}  - 2t - 15 = 0

{5}^{x} t =  - 3 \:  \: .5

{5}^{x}  = 5

x = 1

5 0
3 years ago
Find the value of a. Then find the angle measures of the quadrilateral.
sweet [91]

Answer:

a = 60°

60°, 60°, 120°, and 120°.

Step-by-step explanation:

Sum of interior angles of a quadrilateral = 360°

Therefore:

a° + a° + 2a° + 2a° = 360°

Add like terms

6a = 360

Divide both sides by 6

a = 60

2a = 2(60) = 120°.

Angle measure from least to greatest are 60°, 60°, 120°, and 120°.

4 0
3 years ago
A line passes through the points (6, 2) and (5, 0). What is its equation in slope-intercept form?
Makovka662 [10]

Answer:

y = 2x - 10

Step-by-step explanation:

y2 - y1/ x2 - x1

0 - 2 / 5 - 6

= 2

y = 2x + b

2 = 2(6) +b

2 = 12 + b

-10 = b

The equation is y = 2x - 10

5 0
2 years ago
Harris Teeter is selling gala apples for 0.98 per pound Adam purchase 3.5 pounds of the apples how much did she pay for her purc
Schach [20]
Total purchase = (unit cost)(# of pounds purchased)

Here, that total is ($0.98/lb)(3.5 lb) = $3.43 (answer)
8 0
3 years ago
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