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hoa [83]
3 years ago
8

How do i do -7x-3x+2=-8x-8

Mathematics
1 answer:
lord [1]3 years ago
4 0
X=5
-10X+2= -8X-8
2=2X-8
10=2X
5=X
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Solve the quadratic equation<br> x2-10x+49=4x+1
CaHeK987 [17]

Answer:

x=8 & x=6

Step-by-step explanation:

8 0
3 years ago
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Use Euler's method to obtain a four-decimal approximation of the indicated value. First use h = 0.1 and then use h = 0.05. Find
rusak2 [61]

Answer:

For h = 0.1 y(1) = 2.5937

For h =0.05. y(2) = 2.6533

Step-by-step explanation:

Find attached below extensive solution to problem

3 0
3 years ago
How to solve number 4
s2008m [1.1K]
Find the first semicircle area
Area semicircle can be determined by dividing the full area of circle by 2.
The first semicircle radius is 5 cm
semicircle area = 1/2 circle area
semicircle area = 1/2 × π × r²
semicircle area = 1/2 × 3.14 × 5²
semicircle area = 1/2 × 3.14 × 25
semicircle area = 39.25 cm²

Find the second semicircle area
Because the dimension of the second semicircle is congruent to the first semicircle, they have similar area measurement, 39.25 cm².

Find the quarter circle area
The area of quarter circle can be determined by dividing the full area of a circle by 4.
q circle = 1/4 × area of circle
q circle = 1/4 × π × r²
q circle = 1/4 × 3.14 × 10²
q circle = 1/4 × 314
q circle = 78.5 cm²

To find the entire area, add the area above together
area = first semicircle + second semicircle + q circle
area = 39.25 + 39.25 + 78.5
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The area of shaded region is 157 cm²
4 0
4 years ago
PLEASE HELP BRAINLY - which option is correct?
LuckyWell [14K]

Answer:

y > \frac{2x}{3} + 1

Step-by-step explanation:

Given:

The graph in the attachment where the coordinates are (3,3) and (-3,-1)

Required:

Which inequality represent the graph

The first step is to determine the slope of the graph

m = \frac{y_2 - y_1}{x_2 - x_1}

Where m represents the slope, (x_1, y_1) = (3,3) and (x_2, y_2) = (-3,-1)

m = \frac{-1 - 3}{-3 - 3}

m = \frac{-4}{-6}

Simplify to lowest term

m = \frac{2}{3}

Next is to determine the equation of the line using the slope formula

m = \frac{y - y_1}{x - x_1}, (x_1, y_1) = (3,3)  and m = \frac{2}{3}

\frac{2}{3} = \frac{y - 3}{x - 3}

Cross multiply

2 * (x - 3) = 3 * (y - 3)

Open both brackets

2 x - 6 = 3y -9

Collect like terms

2 x - 6 +9= 3y

2 x+3= 3y

Divide through by 3

\frac{2x}{3} + \frac{3}{3} = \frac{3y}{3}

\frac{2x}{3} + 1 = y

Reorder

y = \frac{2x}{3} + 1

Next is to determine the inequality sign

  • The dotted lines on the graph shows that the inequality sign is either > or <
  • Since the shaded region is the upper part of the graph, then the > inequality sign will be considered,

The inequality becomes

y > \frac{2x}{3} + 1

7 0
3 years ago
Let's try an application problem!
mamaluj [8]

Answer: 5 ft

Step-by-step explanation:

Area of a rectangle (which is the shape of a regular flag) = L* W.

W = Area/L = 9.5/1.9 = 5ft.

8 0
3 years ago
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