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Yuliya22 [10]
4 years ago
10

Slove the equation ×+20=29

Mathematics
1 answer:
photoshop1234 [79]4 years ago
8 0

Answer: x = 9

Step-by-step explanation:

x + 20 = 29

x  = 9

9 + 20 = 29

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Which of the following best describes the solution to the system of equations below?
OverLord2011 [107]

Answer: OPTION A

Step-by-step explanation:

The equation of the line in slope-intercept form is:

y=mx+b

Where m is the slope and b the y-intercept.

Solve for y from each equation:

\left \{ {{5y=-4x+7} \atop {10y=-8x+14}} \right.\\\\\left \{ {{y=\frac{-4}{5}x+\frac{7}{5}} \atop {y=\frac{-8}{10}x+\frac{14}{10}}} \right.\\\\\left \{ {{y=\frac{-4}{5}x+\frac{7}{5}} \atop {y=\frac{-4}{5}x+\frac{7}{5}}} \right.

As you can see the slope and the y-intercept of each equation are equal, this means that both are the exact same line. Therefore, you can conclude that the system has infinitely many solutions.

3 0
3 years ago
If total revenue is 3000,cost of goods is $1500, and a total selling expensesis $500; what is the profit for business?
tekilochka [14]
This sounds like simple addition & subtraction.
Total revenue = $3,000
Cost of goods = $1,500
Total expenses = $500
Profit = x
x = 3,000 - 1,500 + 500
x = 3,000 - 2000
x = 1,000
Profit for the business is $1,000
6 0
3 years ago
What is the area of the regular trapezoid below?
SVETLANKA909090 [29]
The area is 128 inches squared.
Step-by-step explanation:
12 times 8 is 96, plus the two side triangles (32 when combined) is 128.
3 0
3 years ago
Your group has 10 pennies and 10 nickels. Use these pennies and nickels to solve the following problems.
Citrus2011 [14]

Answer:

p=8

n=3

Step-by-step explanation:

let number of pennies=p

number of nickels=n

p+n=11

n=11-p

1*p+5*n=23

p+5(11-p)=23

p+55-5p=23

55-4p=23

4p=55-23=32

p=32/4=8

n=11-8=3

5 0
2 years ago
Kate is baking pies for the teachers lunch at her school. She plans to give every teacher 16of a pie. She decides to bake10 pies
Mariulka [41]

Answer:

the answer is 260

Step-by-step explanation:

8 0
3 years ago
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