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Elena L [17]
3 years ago
12

Solve for x 6x+238 and 3x+178 NEED HELP ASAP FIRST GETS BRAINLY

Mathematics
1 answer:
Andreas93 [3]3 years ago
8 0

Answer:

x = -20

Step-by-step explanation:

<u>These angles are opposite therefore they are the same angle/degree</u>

so we can look at this problem as

6x+238=3x+178

(subtract 238)

6x=3x-60

(subtract 3x)

3x=-60

(divide by 3)

x=-20

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Answer:

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What is the outlier in the following set? 29, 2, 28, 30, 26, 31
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2

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4 0
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Misha used 1/4 of a carton of 12 eggs to make a omelet.How many eggs did she use?
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3 years ago
-7.2x+3.5=-8.7x-10 help plz
m_a_m_a [10]
-7.2x + 8.7x = -3.5 - 10
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5 0
3 years ago
Which equation does this image represent?
nirvana33 [79]

Given:

Image of the ellipse

To find:

The equation of the image

Solution:

The given image is a ellipse.

Center of the ellipse = (0, 0)

x-axis points are (-3, 0) and (3, 0).

y-axis points are (2, 0) and (-2, 0).

Standard form of equation of ellipse:

$\frac{(x-h)^{2}}{a^{2}}+\frac{(y-k)^{2}}{b^{2}}=1

where (h, k) is the center = (0,0)

a is the point on x-axis where y = 0. Hence a = 3.

b is the point on y-axis where x = 0. Hence b = 2.

Substitute this in the standard form of ellipse.

$\frac{(x-0)^{2}}{3^{2}}+\frac{(y-0)^{2}}{2^{2}}=1

$\frac{x^{2}}{9}+\frac{y^{2}}{4}=1

To make the denominator same multiply 1st term by \frac{4}{4} and 2nd term by \frac{9}{9}.

$\frac{4x^{2}}{4\times9}+\frac{9y^{2}}{9\times4}=1

$\frac{4x^{2}}{36}+\frac{9y^{2}}{36}=1

$\frac{4x^{2}+9y^{2}}{36}=1

Multiply by 36 on both sides

$\frac{4x^{2}+9y^{2}}{36}\times 36=1\times 36

${4x^{2}+9y^{2}}={36}

The equation of the image is ${4x^{2}+9y^{2}}={36}.

8 0
4 years ago
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