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Anuta_ua [19.1K]
3 years ago
15

Help please with this only

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0
They are 7 units away!
Their cords are 5, -6 (bakery)
2, -3 (flour mill)
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Gail runs a taxi.
grigory [225]

Answer:

£37

Step-by-step explanation:

£1.90x20

= £38

£75-£38

=£37

4 0
3 years ago
HIII Brainly People I need help with those math problems I HATE MATH so if you could help that me that would be nice. :)
horrorfan [7]

Answer:

First off  

Step-by-step explanation:

8 0
3 years ago
Write the expansion of each binomial. (x-y)^4
TEA [102]
When you expand the binomial, you isolate each of the parts.
So, (x-y)^4 would turn into...

x^4 - y^4

The powers stay the same because (outside the parenthesis) you multiply them with whatever is inside the parenthesis. In this case, would be 1. All variables and numbers without a listed power have a power of one. Multiply 4*1 to get 4. 
4 0
3 years ago
Simplify the expression by combining like terms. 7w+9+6X
Mars2501 [29]

Answer:

Step-by-step explanation:

the answer stay the same due to the fact there are no like terms

7w+9+6x

8 0
3 years ago
Read 2 more answers
Find the zeros of y = x2 – 6x – 4 by completing the square.
katrin [286]

Answer:

The solutions to the quadratic equations are:

x=\sqrt{13}+3,\:x=-\sqrt{13}+3

Step-by-step explanation:

Given the function

y\:=\:x^2\:-\:6x\:-\:4

substitute y = 0 in the equation to determine the zeros

0\:=\:x^2\:-\:6x\:-\:4

Switch sides

x^2-6x-4=0

Add 4 to both sides

x^2-6x-4+4=0+4

Simplify

x^2-6x=4

Rewrite in the form (x+a)² = b

But, in order to rewrite in the form x²+2ax+a²

Solve for 'a'

2ax = -6x

a = -3

so add a² = (-3)² to both sides

x^2-6x+\left(-3\right)^2=4+\left(-3\right)^2

x^2-6x+\left(-3\right)^2=13

Apply perfect square formula:  (a-b)² = a²-2ab+b²

\left(x-3\right)^2=13

\mathrm{For\:}f^2\left(x\right)=a\mathrm{\:the\:solutions\:are\:}f\left(x\right)=\sqrt{a},\:-\sqrt{a}

solve

x-3=\sqrt{13}

Add 3 to both sides

x-3+3=\sqrt{13}+3

Simplify

x=\sqrt{13}+3

now solving

x-3=-\sqrt{13}

Add 3 to both sides

x-3+3=-\sqrt{13}+3

Simplify

x=-\sqrt{13}+3

Thus, the solutions to the quadratic equations are:

x=\sqrt{13}+3,\:x=-\sqrt{13}+3

4 0
3 years ago
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