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3 years ago

Please help with question 6

Mathematics

1 answer:

Kitty [74]3 years ago

6 0

Answer:

y = -3x - 1

Use the methods on your other questions.

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factorise the following 1. x²-2x+15.... 2. y²-19y+90

Marta_Voda [28]

Answer:

1. x²-2x+15

This can't be factored, I've tried multiple ways now, but it just can't be factored.

2. y²-19y+90

Let's factor y^2−19y+90

y^2−19y+90

The middle number is -19 and the last number is 90.

Factoring means we want something like

(y+_)(y+_)

Which numbers go in the blanks?

We need two numbers that...

Add together to get -19

Multiply together to get 90

Can you think of the two numbers?

Try -9 and -10:

-9+-10 = -19

-9*-10 = 90

Fill in the blanks in

(y+_)(y+_)

with -9 and -10 to get...

(y-9)(y-10)

Answer:

(y−9) (y−10)

3 0

3 years ago

Can you please help? Thank you...

solmaris [256]

The answer to the question

4 0

3 years ago

Which of the following polynomials is in standard form?

ASHA 777 [7]

Answer:

z5+z15-z3-4

hope it's correct

6 0

3 years ago

Read 2 more answers

How would you guys work this problem out

Effectus [21]

A = 5,460B = 5,733C = 7,280D = 6,720E = 8,050

8 0

3 years ago

Read 2 more answers

Jacob borrowed $30, 000 to start up his consulting business. The loan had simple interest rate of 6.2% for 3 years. Use I= part

sammy [17]

Answer:

The amount of interest is $5580.

Step-by-step explanation:

Given : Jacob borrowed $30, 000 to start up his consulting business. The loan had simple interest rate of 6.2% for 3 years.

To find : The amount of interest he will pay with the loan ?

Solution :

Using interest formula,

$I=P\times R\times T$

Where, P is the principal P=$30,000

R is the rate of interest R=6.2%=0.062

T is the time t=3 years.

Substitute the value in the formula,

$I=30000\times 0.062\times 3$

$I=5580$

Therefore, The amount of interest is $5580.

6 0

4 years ago