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LuckyWell [14K]
3 years ago
7

Solve for x. 3x-7=20

Mathematics
2 answers:
dsp733 years ago
8 0

Answer:

Solve for x: 3x - 7= 20

Step-by-step explanation:

3x - 7 = 20

3x = 20 + 7

3x = 27

3x/3 = 27/3

x = 9

notsponge [240]3 years ago
3 0

Answer:

x = 9

Step-by-step explanation:

3x - 7 = 20

3x = 20 + 7

3x = 27

x = 9

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Can some one help me solve for X?
Korvikt [17]

Answer:

x = 20

Step-by-step explanation:

The two angles are complementary angles, which means they add to 90 degrees

2x+7 + 43 = 90

Combine like terms

2x+50 = 90

Subtract 50 from each side

2x+50-50 = 90-50

2x = 40

Divide each side by 2

2x/2 = 40/2

x = 20

8 0
3 years ago
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Can someone help me with this
Naya [18.7K]

Answer:

the answer should be 8.9

you square 12 and square the 8 and subtract them by each other

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3 years ago
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If the blue radius below is perpendicular to the green chord and the segment BC is 7.6 units long, what is the length of the cho
galina1969 [7]

Answer:

The correct answer is A. 15.2 units

Step-by-step explanation:

The segment AB is congruent to the segment BC  eg AB≅BC Why?

We can prove it with the triangle congruent theorem, postulate side-side-angle

We are watching triangle ΔABO and triangle ΔCBO, they are congruent

first element side OB=OB - common side

second element side OA=OC=r - radius of the circle

third element angle ∡ABO≅∡CBO=90°

According to the postulate side-side-angle we can conclude that triangles

ΔABO≅ΔCBO (triangles are congruent)

If they are congruent all of their elements are also congruent and therefore also

side AB=BC  => AB+BC=AC,  which is chord  => 7.6+7.6=15.2 units

AC= 15.2 units ( chord )

Good luck!!!


6 0
3 years ago
I need help please in ese
Alisiya [41]

Answer:

Step-by-step explanation:

In where my friend

Mark me as brainliest

5 0
3 years ago
Help please! I need answers quickly :((
Rzqust [24]

Answer:

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

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 2) and (x₂, y₂ ) = (4, 0) ← 2 points on the line

m = \frac{0-2}{4-0} = \frac{-2}{4} = - \frac{1}{2}

The line crosses the y- axis at (0, 2) ⇒ c = 2

y = - \frac{1}{2} x + 2 ← equation of line

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3 years ago
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