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solniwko [45]
3 years ago
15

Please help me!!!! WILL MARK BRAINLYIST

Mathematics
1 answer:
Katen [24]3 years ago
3 0

Answer:

x=5.4

Step-by-step explanation:

-2.3(x - 1.2) = -9.66

Distribute -2.3

-2.3x + 2.76 = -9.66 (2 negatives make positive)

Subtract the constant (2.76)

-2.3x = -12.42

Divide by coefficient on both sides to get:

x=5.4

----------------------

(Pretty sure)

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PLease help geometry question
Natalija [7]

Let the length equal x

Then the width would be 4x + 8 (8 feet more than 4 times the length)

Area = length x width:

5,472 = x * 4x+ 8

Simplify:

5472 = 4x^2 + 8x

Subtract 5472 from both sides:

4 x^2 + 8x - 5472 = 0

Use the quadratic formula to solve for x.

X = 36

Now you know the length is 36 feet

The width = 4(36) + 8 = 152 feet

Now find the perimeter: 152 + 152 + 36 + 36 = 376 feet.

The answer is B. 376

6 0
3 years ago
Read 2 more answers
1. What is 35% of 80?
Alex_Xolod [135]

1. 28

2. 41.66%

3. 88%

4. 36

5. 94.5

6. 30%

7. 83.33%

8. 20%

9. 20%

10. 62.5%

11. 80%

4 0
3 years ago
The graph shows the solution for which inequalities?
Helen [10]

Answer:

Inequalities are,

y ≥ 4x + 2

y ≥ 2

Step-by-step explanation:

Solid yellow line of the graph attached passes through two points (0, -2) and (1, 2).

Let the equation of this line is,

y = mx + b

Slope of the line = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

                      m = \frac{2+2}{1-0}

                      m = 4

Y-intercept 'b' = -2

Equation of the line will be,

y = 4x - 2

Since shaded area is on the left side of this solid line so the inequality representing this region will be,

y ≥ 4x - 2

Another line is a solid blue line parallel to the x-axis.

Shaded region (blue) above the line will be represented by,

y ≥ 2

Therefore, the common shaded area of these inequalities will be the solution of the given inequalities.

7 0
3 years ago
What is the approximate area of the figure that is shaded in blue below?
Aleks [24]

Answer:

A: 48in2

Step-by-step explanation:

Area of a rectangle = Length x Width

The complete figure is rectangular in shape with:

Length = 11 in

Width = 5 in

Area = 11 x 5

Area = 55 in2

The pink part is triangular in shape with:

height = 4in

Base = 3.5 in

Area of a triangle = 0.5 x base x height

Area of the pink portion = 0.5 x 3.5 x 4

Area of the pink portion = 7 in2

Area of the blue portion = (total Area) - (Area of the pink portion)

Area of the blue portion = 55 in2 - 7 in2

Area of the blue portion = 48 in 2

Hope this help you!

8 0
3 years ago
Read 2 more answers
Jonah finds the length of the sides of the quadrilateral
azamat

Answer: Side BC has a length of square root 10 units

Step-by-step explanation: I just took the test

4 0
4 years ago
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