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Romashka [77]
2 years ago
15

Select the correct answer.

Mathematics
1 answer:
Mademuasel [1]2 years ago
6 0

Answer:

26 rooms

Step-by-step explanation:

y = 2.315x + 4.084\\64=2.315x+4.084\\x = (64-4.084)/2.315\\x = 25.88

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Trina examined the equation below and said that the equation has exactly one solution. Negative 8 (x minus 4) + 2 x = negative 4
shutvik [7]

Answer

The answer is C. Trina is not correct because the two sides of the equation are equivalent.

Step-by-step explanation:

1.  solve for x

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

-8x + 32 + 2x = -4x + 32 -2x

-6x + 32 = - 6x + 32

0 = 0

This equation has infinite solutions, any rational number fits as solution for x in this equation. And as we can see both sides of it are equivalent.

Therefore, the correct answer is C. Trina is not correct because the two sides of the equation are equivalent.

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<u><em>Hope This Helps :p</em></u>

8 0
2 years ago
Read 2 more answers
In ΔFGH, f = 37 cm, ∠F=28° and ∠G=124°. Find the length of g, to the nearest 10th of a centimeter.
MatroZZZ [7]

Answer:

  65.3 cm

Step-by-step explanation:

The law of sines can be used for this.

  g/sin(G) = f/sin(F)

  g = (37 cm)sin(124°)/sin(28°) ≈ 65.3 cm . . . . multiply by sin(G)

The length of g is about 65.3 cm.

6 0
2 years ago
The weights of cars passing over a bridge have a mean of 3,550 pounds and standard deviation of 870 pounds. Assume that the weig
Annette [7]

Answer:

0.24315

Step-by-step explanation:

Using the z score formula to solve this question

z = (x - μ) / σ,

Such that:

x = raw score

μ = population mean

σ = population standard deviation.

From the question:

x = 3000

μ = 3550

σ = 870

z = (3000 - 3550) / 870

z = -550/870

z = -0.6962

Using the z score table as well as probability calculator(as requested in the question to find the z score)

The probability of having less than 3000 is obtained as:

P(x<3000) = 0.24315

7 0
2 years ago
write an algebraic expression to model each situation. you have a summer job at a car wash. you earn $8.50 per hour and are expe
dybincka [34]
So we know $8.50 per hour
One-time fee of $15 for uniform
x hours per week

y=8.5x-15
8 0
2 years ago
Read 2 more answers
Simplify the expression <br> (7v^2 )(10u^3v^5)(8uv^3)
Marizza181 [45]

Answer:

560v^{10}u^{4}

Step-by-step explanation:

Simplify the expression.

8 0
2 years ago
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