3 years ago

To ride a roller coaster, a visitor must not be less than 60 inches tall.

Mathematics

1 answer:

True [87]3 years ago

7 0

This is saying that your height has to be equal to or greater than 60 inches.

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Korvikt [17]

75=x+2(x+10)
3x+20=75
3x=55
X=55/3

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4 years ago

Hunter-Best [27]

Answer:

C. y = |x + 2| – 3

Step-by-step explanation:

I got this answer correct on Gradpoint

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3 years ago

Imagine a regression line that relates y = average systolic blood pressure to x = age. The average blood pressure for people 40

mart [117]

Answer:

2.0

Step-by-step explanation:

x = age

y = average systolic blood pressure

x₁ = 40 years old, y₁ = 110 systolic blood pressure

x₂ = 50 years old, y₂ = 130 systolic blood pressure

$\text{Slope of a line}=m=\frac{y_2-y_1}{x_2-x_1}\\\Rightarrow m= \frac{130-110}{50-40}\\\Rightarrow\frac{20}{10}\\\Rightarrow m= 2.0$

∴ Slope of the regression line is 2.0

4 0

4 years ago

Please help me! Image below. I mark Brainliest!

Naddika [18.5K]

Answer:

7.2hours

Step-by-step explanation:

5kg:12hrs

(divide both sides by 5)

1kg:2.4hrs

(multiply both sides by 3)

3kg:7.2hrs

3 0

3 years ago

Given the expressions are equivalent (3x + 2)^2 - (mx^2 + 7) = 5x^2 + 12x - 3 2 - 3 What is the value of m?

BartSMP [9]

Answer:M=4

Step by step answer

9x^2-mx^2+12x-3=5x^2+12x-35

9x^2-mx^2+12x-3+3=5x^2+12x-35+3

9x^2-mx^2+12x=5x^2+12x-32

9x^2-mx^2+12x-12x=5x^2+12x-32-12x

9x^2-mx^2-5x^2=5x^2-32-5x^2

-mx^2+4x^2=-32

x^2(-m+4)=-32

M=4

Hope this helps (;

7 0

3 years ago