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3 years ago

Complete the solution of the equation. Find the value of y when x equals -8. 3x + 5y = -59

Mathematics

2 answers:

Dafna1 [17]3 years ago

7 0

Answer:

y = -7

Step-by-step explanation:

To answer this question, we must first plug in -8 for x:

3(-8) + 5y = -59

-24 + 5y = -59

+24 +24

5y = -35

/5 /5

y = -7

Hope this helps :)

tankabanditka [31]3 years ago

6 0

im dumb and answered wrong...

the answer above is right ✅

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4 years ago

Is 11/4 a irrational number?

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Step-by-step explanation:

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3 years ago

One of the angles of a triangle is 8 deg more than 5 times another angle. If the third angle is 4 deg larger than the difference

Mars2501 [29]

Answer:

$16^\circ, 88^\circ, 76^\circ$

Step-by-step explanation:

Given a triangle.

One of the angles is $8^\circ$ more than 5 times of one angle.

Third angle is $4^\circ$ more than the difference of two angles.

To find:

The angles.

Solution:

Let the first angle = $x^\circ$

As per question statement, second angle = 5 $x^\circ$ + $8^\circ$

And third angle = 5 $x^\circ$ + $8^\circ$ - $x^\circ$ + $4^\circ$ = $(4x+12)^\circ$

Using triangle sum property that the sum of all the internal angles of a triangle is always equal to $180^\circ$ .

$x+5x+8+4x+12 = 180\\\Rightarrow 10x+20=180\\\Rightarrow 10x = 160\\\Rightarrow x = 16$

Therefore, the first angle = $x^\circ = 16^\circ$

The second angle = $5x+8 = 5 \times 16 + 8 = 80+8 = 88^\circ$

The third angle = $4x+12 = 4\times 16 + 12 = 76^\circ$

Therefore, the angles are $16^\circ, 88^\circ, 76^\circ$ .

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3 years ago