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IRINA_888 [86]
2 years ago
4

The solution to -2(1 - 4x) = 3x + 8 is

Mathematics
1 answer:
ladessa [460]2 years ago
3 0

Answer:

x=2

Step-by-step explanation:

-2(1 - 4x) = 3x + 8

The first step is to distribute the -2

-2*1 -2(-4x) = 3x+8

-2+8x = 3x+8

Subtract 3x from each side.

-2+8x-3x = 3x-3x+8

-2+5x=8

Add 2 to each side

-2+2 +5x=8+2

5x=10

Divide by 5

5x/5 = 10/5

x=2

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The triangles below are similar. Triangle S R P. Angle S is 54 degrees, R is 41 degrees, P is 85 degrees. Triangle X Y Z. Angle
rewona [7]

Answer:

The similarity statements that describes the relationship between the two triangles are

Triangle S R P is similar to triangle X Z Y.

Triangle R S P is similar to triangle Z X Y.

Triangle R P S is similar to triangle Z Y X.

Step-by-step explanation:

Given:

Triangles below are similar,

In ΔSRP

∠S = 54 ° , ∠R = 41° , ∠P = 85°

In ΔXYZ

∠X = 54 ° , ∠Z = 41° , ∠Y = 85°

Solution:

If two triangles are similar then their corresponding angles are Equal.

When the two triangles are Similar then their Vertices are correspondence to each other. the correspondence of vertices are as

For, Δ SRP ~ Δ XZY

S ↔ X        ∠S ≅ ∠X = 54°

R ↔ Z        ∠R ≅ ∠Z = 41°

P ↔ Y        ∠P ≅ ∠Y = 85°

The true statement  

Triangle S R P is similar to triangle X Z Y.

Triangle R S P is similar to triangle Z X Y.

Triangle R P S is similar to triangle Z Y X.

  • Triangle P R S is similar to triangle X Y Z,

Not correct it should be

Triangle P R S is similar to triangle Y Z X,

  • Triangle P S R is similar to Triangle Z Y X

Not correct it should be

Triangle P S R is similar to Triangle Y X Z.

  • Triangle S P R is similar to triangle X Z Y

Not correct it should be

Triangle S P R is similar to triangle X Y Z

3 0
2 years ago
Read 2 more answers
A company monitored the number of major and minor earthquakes that occurred in a town. The graph below shows the number of month
ANTONII [103]

Answer:

C

Step-by-step explanation:

The period of a sine function can be found by looking at the argument.

In the equation y = Sin (ax), ax is the argument, and period is 360/a.

For the function shown, y = Sin x, the period is 360/1 = 360. This means that the period is the number of months it takes to complete one cycle of the graph (take one point in the graph and run along the curve until the same point is reached).

<em>If we take January as the first point (y = 40) and run along until i come to same point, we are back to next years' January. Hence, the period is 12 months. </em><em>Answer choice C is right.</em>

3 0
2 years ago
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By rewriting the formula for the Multiplication​ Rule, you can write a formula for finding conditional probabilities. The condit
ss7ja [257]

Answer:

89.01% probability that a flight arrives on time given that it departed on time.

Step-by-step explanation:

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Departing on time

Event B: Arriving on time.

The probability that a flight departs and arrives on time is 0.81.

This means that P(A \cap B) = 0.81

The probability that an airplane flight departs on time is 0.91.

This means that P(A) = 0.91

Find the probability that a flight arrives on time given that it departed on time.

P(B|A) = \frac{0.81}{0.91} = 0.8901

89.01% probability that a flight arrives on time given that it departed on time.

5 0
2 years ago
Find 26th term in the arithmetic sequence: -15,-35,-55,-75,...
disa [49]

Answer:

-515

Step-by-step explanation:

In this example the first value is −15 and every value afterwards is 20 less.

After substituting these values to above formula, we obtain:

All we have to do is add 25 twenties or 25 x 20 = 500 and -15 - 500 = -515

5 0
2 years ago
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The country of Freedonia has decided to reduce its carbon-dioxide emission by 35\%35%35, percent each year. This year the countr
miskamm [114]

Answer:

The quantity after t years 40 (0.65)^{\textrm t} millions tons

Step-by-step explanation:

Given as :

The rate of decrease of carbon dioxide each other = 35%

The quantity of carbon dioxide emitted this year = 40 million tons

Let the quantity of carbon dioxide emitted after t year = A millions tons

Now, According to question

The quantity of carbon dioxide emitted after t year = The quantity of carbon dioxide emitted this year ×

Or, A millions tons = 40 millions tons ×

Or, A millions tons = 40 millions tons ×

Or, A millions tons = 40 millions tons ×

7 0
2 years ago
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