4 years ago

HELP I WILL MARK BRAINILEST

Mathematics

1 answer:

Lilit [14]4 years ago

5 0

I know that b and d are correct because c is just silly and a is just incorrect :)

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What are the solutions to the quadratic equation (5y +6) 2= 24?

boyakko [2]

Answer:

$y=-2.18,-0.22$

Step-by-step explanation:

We have been given the equation

$(5y+6)^2=24$

Take square root both sides. When ever we take square root, we include plus minus sign

$\sqrt{(5y+6)^2}=\pm\sqrt{24}\\\\5y+6=\pm2\sqrt6$

Now, subtract 6 to both sides of the equation

$5y=-6\pm2\sqrt6$

Divide both sides by 5

$y=\frac{1}{5}(-6\pm2\sqrt6)$

$y=\frac{1}{5}(-6+2\sqrt6),y=\frac{1}{5}(-6-2\sqrt6)$

In decimal we have

$y=-2.18,-0.22$

3 0

3 years ago

Pls answer quickly :)

baherus [9]

Answer:

median=mode

Step-by-step explanation:

7 0

3 years ago

What is the x-intercept for the following linear equation:

Alexandra [31]

The "x-intercept" occurs when y=0, because it is at this point that the equation touches the x axis. So if you plug in y=0 into the equation you can solve for the x coordinate.

4x-2(0)-8=0

4x-8=0

4x=8

x=2

So the x-intercept is the point (2,0)

3 0

3 years ago

Write an equation and solve this problem: Seventy is what percent of 50?

MrRissso [65]

70 = 50 * x/100
x = 70/50*100 = 140

Seventh is 140% of 50.

3 0

4 years ago

A rectangular prism is 12 centimeters long, 6 centimeters wide, and 5 centimeters high. What is the volume of the rectangular pr

goldenfox [79]

Answer:

360 cm cubed

Step-by-step explanation:

Use the volume formula.

V=whl

V=12 x 6 x 5

V=360

6 0

3 years ago