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3 years ago

HELP I WILL GIVE YOU BRAINLIEST Question: What is the solution to this quadratic?

Mathematics

2 answers:

Nataly_w [17]3 years ago

7 0

(5,0) if it’s asking the solution or do you want the equation? Technically the solution would be where the parabola touched the x axis

soldier1979 [14.2K]3 years ago

3 0

I think it is 5 because it crosses on the x axis at 5

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10x - 10y = 1 x = y - 3 solve the system of equations by substitution. a. (-29/20, 31/20) b. (1/2, 2/5) c. no solution d. coinci

Gekata [30.6K]

First you'd substitute x= y-3 in the first equation.

10(y-3) -10y= 1

10y - 30 -10y= 1

The y's cancel each other out, so you're left with -30= 1. That means there's no solution :)

8 0

3 years ago

A standard interior staircase has steps each with a rise (height) of 21 cm and a run (horizontal depth) of 24 cm. Research sugge

Alisiya [41]

Answer:

The staircase would extends 1.20 m if the changes were made.

Step-by-step explanation:

Acording tho the statement the total heigth is 5.04 m, that is 504 cm, each steps rises 21 cm. with this information we can calculte how many steps are in the whole staircase:

$Number steps= \frac{Total heigth}{each step} \\Number steps= \frac{504}{21} = 24 steps$

To calculate how much the staircase will extend, whe have to multiply the horizontal depth times the number of steps.

using the run of 24 cm that gives us a lengt of 576 cm and if the changes were made the new length will be 696 cm.

So the staircase would extend an amount of (696 - 576), that is 120 cm, or 1.20 m, if the changes were made.

6 0

2 years ago

PLEASE HELP! 50 POINTS! (Solve each system of equations. Determine which quadrant the solution lies in.)

Sloan [31]

Answer:

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Step-by-step explanation:

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2 years ago

The sum of three numbers is 123. The third number is 4 times the first. The second number is 9 more than the first. What are the

Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

Let the first number = x

Let the second number = x + 9

Let the third number = 4x

Together they make 123

x + x + 9 + 4x = 123 combine the left

6x + 9 = 123 Subtract 9 from both sides

6x = 123 - 9

6x = 114 Divide by 6

x = 114/6

x = 19

=================

First number = 19

Second number = 19 + 9 = 28

Third number = 4*19 = 76

8 0

3 years ago

The sugar sweet company will choose from two companies to transport it’s sugar to market. The first company charges 4490 to rent

lilavasa [31]

Um, I don't know if I actually answered the question, but I think that the second one is cheaper to rent.

4 0

3 years ago