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3 years ago

7

Which number line shows 1 to 4 divided into fourths?

1 answer:

romanna [79]3 years ago

3 0

Answer:

the second one dose I believe

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Complete the solution of the equation find the value of y when x equals 2. -8x - 5y = -1

tatuchka [14]

Answer: y = -3

<u>Step-by-step explanation:</u>

-8x - 5y = -1

<u>+8x </u> <u>+8x </u>

-5y = 8x - 1

<u> ÷-5 </u> <u> ÷-5</u> <u>÷-5</u>

y = $-\frac{8}{5}x + \frac{1}{5}$

y(2) = $-\frac{8}{5}(2) + \frac{1}{5}$

= $-\frac{16}{5} + \frac{1}{5}$

= $-\frac{15}{5}$

= -3

6 0

4 years ago

5tanx-2cotx+1=0...... .

Verdich [7]

Step-by-step explanation:

5(tanx)^2 -2 +tanx=0

let tanx=y

5y^2 + y-2=0

y=0.5403 or y= -0.7403

tanx=0.5403

x=arctan(0.5403)

x=28.38°

or

tanx=-0.7403

x=arctan(-0.7403)

x=143.49°

7 0

3 years ago

Write a linear function f withe the values f (10) = 5 and f (2) = -3

MakcuM [25]

Answer:

(a) $f(x)=\frac{1}{2}x$

(b) $f(x)=-\frac{3}{2}x$

Step-by-step explanation:

8 0

3 years ago

Write the linear equation in slope intercept form 2x+By=16

allochka39001 [22]

Answer:

Part 1) $y=-\frac{2x}{B}x+\frac{16}{B}$

Part 2) $y=-\frac{1}{4}x+2$

Step-by-step explanation:

Part 1)

we know that

The equation of the line in slope intercept form is equal to

$y=mx+b$

we have

$2x+By=16$

Isolate the variable y

subtract 2x both sides

$By=-2x+16$

Divide by B both sides

$y=-\frac{2x}{B}x+\frac{16}{B}$

Part 2)

we know that

The equation of the line in slope intercept form is equal to

$y=mx+b$

we have

$2x+8y=16$

Isolate the variable y

subtract 2x both sides

$8y=-2x+16$

Divide by 8 both sides

$y=-\frac{2x}{8}x+\frac{16}{8}$

Simplify

$y=-\frac{1}{4}x+2$

3 0

4 years ago

What is the equation for table A. What is the equation for table B.

xeze [42]

Answer:

A: y=-2/3x + 3

B: y=x-2

solution: (3,1)

Step-by-step explanation:

7 0

3 years ago