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Zielflug [23.3K]
3 years ago
6

4x-11=3.2x+13. Write the lesser solution first. Round to the nearest tenth if needed

Mathematics
1 answer:
notsponge [240]3 years ago
8 0

Answer:

The answer is (30, 109)

Step-by-step explanation:

In this problem we need to find the intersection point between the lines

y = 4x-11

and

y = 3.2x+13

We can easily solve this problem by plotting both lines in a graphing calculator and finding the intersection point.

Please see attached picture.

The answer is (30, 109)

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How would I solve the equations: y = x-4 and y=x^2-4x using substitution
andriy [413]

Answer:

x = 6

Explanation:

y = x - 4

26 = 4x + y


If y = y, then we can rewrite this system as this: 4x + x - 4 = 26


Then we combine like terms and add 4  on both sides to give us  5  x  =  30 . Divide by 5 on both sides and we arrive at the solution: x = 6

6 0
3 years ago
“一二一1<br> What is x plus 7 equals -1 what does x equal
EastWind [94]

Answer:

x = -8

Step-by-step explanation:

You'll want to do -1 minus 7 to get your answer, -8.

3 0
3 years ago
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What are the missing sides in the triangle written as integers or as decimals rounded to the
Alecsey [184]

The value of x is 12.7 and the value of y is 9. The correct option is the third option x = 12.7; y = 9

<h3>Trigonometry </h3>

From the question, we are to determine the values of the missing sides

From the diagram,

Opposite = 9

Adjacent = y

Hypotenuse = x

Included angle = 45°

Using SOH CAH TOA, we can write that

tan 45^\circ= \frac{9}{y}

1 = \frac{9}{y}

∴ y = 9

Since the triangle is a right triangle, we can write that

x² = y² + 9² (<em>Pythagorean theorem</em>)

x² = 9² + 9²

x² = 81 + 81

x² = 162

x = √162

x = 12.7

Hence, the value of x is 12.7 and the value of y is 9. The correct option is the third option x = 12.7; y = 9

Learn more on Trigonometry here: brainly.com/question/24259483

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5 0
1 year ago
If an regular interior angle of a regular polygon is 140 degrees, how many sides does the polygon have and I need the work
torisob [31]

Answer:

9 sides

Step-by-step explanation:

exterior angle + interior angle = 180° , so

exterior angle + 140° = 180° ( subtract 140° from both sides )

exterior angle = 40°

The sum of the exterior angles of a polygon = 360°

Dividing sum by the measure of 1 exterior angles gives number of sides

number of sides = \frac{360}{40} = 9

8 0
2 years ago
Find the volume of a cone when given height and circumference.
lord [1]

Step-by-step explanation:

V = π ∙ r2 ∙ h / 3, where π ∙ r2 is the base area of the cone. π defines the ratio of any circle's circumference to its diameter and is approximately equal to 3.141593, however the value 3.14 is often used. Example 1: Find the volume of cone, whose radius is 8 cm and height is 5 cm.

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3 years ago
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