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2 years ago

HELPPPPPPPPPP :(

Mathematics

1 answer:

mariarad [96]2 years ago

3 0

Answer:

B its B

Step-by-step explanation:

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Find a fraction equivalent to 5/7 whose squared terms add up to 1184.

bogdanovich [222]

The system of equations of two unknowns is formulated and solved.

$\large\displaystyle\text{$\begin{gathered}\sf \bf{ \left\{\begin{matrix} \ \ \ \dfrac{x}{y} = \dfrac{5}{7} \\ x^2+y^2 = 1184 \end{matrix}\right. \ \Longrightarrow \ x=\dfrac{5}{7}y } \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \bf{ \left (\dfrac{5}{7}y \right )^2+y^2=1184\ \Longrightarrow\ 25y^2+49y^2=58016 } \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \bf{74y^{2}=58016} \end{gathered}$}\\\large\displaystyle\text{$\begin{gathered}\sf \bf{ \ \ \ \ \ \ y^{2}=784 } \end{gathered}$}\\\large\displaystyle\text{$\begin{gathered}\sf \bf{ \ \ \ \ \ y=\pm\sqrt{784}=\pm28 } \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf \bf{ x=\dfrac{5}{7}(\pm 28)=\pm 20 } \end{gathered}$}$

The fraction that satisfies the request is $\bf{\dfrac{20}{28}}$ , since in $\bf{\dfrac{-20}{-28}}$ the negative signs are canceled and the first fraction is obtained.

3 0

1 year ago

16. The graph of the function

den301095 [7]

$\text{Hello there!}\\\\\text{Our original equation is: y = 4x + 1}\\\\\text{Our new equation must be translated 3 units up}\\\\\text{This means that we're going up on the y axis, meaning that our}\\\text{"beginning point" will change}\\\\\text{Our beginning point is 1, so just add 3 to it}\\\\1+3 = 4\\\\\text{Put 4 as your beginning point in the equation:}\\\\y=4x+4\\\\\boxed{\text{Answer: y = 4x + 4}}$

8 0

2 years ago

(hurry show ur work) what is 8 6/8 ÷ 2 2/5 = ?

gizmo_the_mogwai [7]

Answer:

175/48 or 3.64

Step-by-step explanation:

■ Refer to the attachment.

Hope it helps ⚜

4 0

1 year ago

Read 2 more answers

write three ratios that are equivalent to the one given: The ratio of right-handed students to left-handed students is 18;4.

Ainat [17]

9 : 2 = 18 : 4

As: 9 x 2 : 2 x 2 = 18 : 4

--------------------

36 : 8 = 18 : 4

As: 18 x 2 : 4 x 2 = 36 : 8

--------------------

72 : 16 = 18 : 4

As: 18 x 4 : 4 x 4 = 72 : 16

6 0

2 years ago

Direct Variation, Constant of Proportionality, and Constant Rate of Change all represent linear proportional relationships.

sweet-ann [11.9K]

Answer:

y = dependent variable

k = constant of proportionality or constant rate of change

x = independent variable

Step-by-step explanation:

The equation, $y = mx$ represents a direct variation showing a proportional relationship between variable y and variable x.

y represents the dependent variable

k represents the constant of proportionality or constant rate of change

x represents the independent variable

6 0

2 years ago