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4 years ago

1/2y-3/5=4/5 what is this?

Mathematics

1 answer:

user100 [1]4 years ago

6 0

Answer:

1 2⋅−1⋅3 5=4 5

Step-by-step explanation:

Combine multiplied terms into a single fraction

12y−1⋅35=45

\frac{1}{2}y-1 \cdot \frac{3}{5}=\frac{4}{5}

21y−1⋅53=54

12−1⋅35=45

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Could someone please explain how to get the answer?

MaRussiya [10]

the missing side of the right triangle is 10.568

<h3>Pythagorean theorem formula</h3>

a² + b² = c²

<em>Which c is the hypotenuse part of triangle.</em>

<h3>Known that </h3>

a = 5.2

b = 9.2

c = ...?

<em>so</em><em> </em><em>the</em><em> </em><em>missing</em><em> </em><em>part</em><em> </em><em>is</em><em> </em><em>c</em><em>.</em>

<h3>Way to calculate</h3>

a² + b² = c²

5.2² + 9.2² = c²

111.8 = c²

c = √111.8

c = 10.568

#Moderators please don't be mean, dont delete my answers just to get approval from your senior or just to get the biggest moderation daily rank.

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3 years ago

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jolli1 [7]

Email Brainly directly. They aren’t gonna see it here

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2 years ago

The mean of the winning scores of a bowling tournament over the last 10 years was 279, with a standard deviation of 3. Consideri

harina [27]

Answer: should be just one

Step-by-step explanation:

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3 years ago

Can someone tell me step by step how I should do this?? In ur own words I don’t understand!!

ruslelena [56]

Answer:

multiply all the numbers

Step-by-step explanation:

3 0

3 years ago

Use the distance formula to determine the distance between (-8,10) and (-6,7)

hjlf

Answer:

Distance: $\sqrt{13}$ units

Step-by-step explanation:

The distance formula is $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ where:

$d$ is the distance between points $(x_1,y_1)$ and $(x_2,y_2)$
$(x_1,y_1)$ are the coordinates of the first point
$(x_2,y_2)$ are the coordinates of the second point

We are given that:

$(x_1,y_1)=(-8,10)$
$(x_2,y_2)=(-6,7)$

To determine the value of our distance, $d$ , we plug in our given information into the formula and solve for

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

$d=\sqrt{(-6-(-8))^2+(7-10)^2}$

$d=\sqrt{(-6+8)^2+(-3)^2}$

$d=\sqrt{(2)^2+(-3)^2}$

$d=\sqrt{4+9}$

$d=\sqrt{13}$

Therefore, the distance between $(-8,10)$ and $(-6,7)$ is $\sqrt{13}$ units.

See the attached graph for a visual.

5 0

3 years ago