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2 years ago

Find the gradients of lines A and B.

1 answer:

5 0

Hey, you didn’t provide any picture or further context.

To solve for gradient, do (y2-y1)/(x2-x1)
So what do you think?

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Help me plz thx alot

Simora [160]

It is 180 degrees- hope this helps!

4 0

2 years ago

A deep freezer has a temperature of -6°C when it is turned off.

Xelga [282]

Answer:

y = -6 + 1.2*x is the answer I would use, but see the note below.

Step-by-step explanation:

Let x = the number of minutes.

Let y = the temperature at any given time.

y = -6 + 1.2*x

This is the equation that you would use if you were calculating y with a calculator. If you are in a chemistry class it should be written as

y = - 6°C + 1.2°x/ min

4 0

2 years ago

Find the value of c that completes the square

PilotLPTM [1.2K]

Answer:

The value of c that completes the square $x^2+2x+c$ is 1

Step-by-step explanation:

We need to find the value of c that completes the square $x^2+2x+c$

The formula used will be: $a^2+2ab+b^2=(a+b)^2$

In the question given the value c can be found by breaking the middle term. we are given 2x while the general formula is 2ab for middle term so,

2(x)(1) = 2x

so, c= 1

Solving:

$x^2+2x+c\\=x^2+2(x)(1)+(1)^2-(1)^2\\=(x+1)^2-1$

So, the value of c that completes the square $x^2+2x+c$ is 1

6 0

2 years ago

Write 16.66666666... as a fraction.

adoni [48]

The answer is 16 2/3 as explained above

3 0

3 years ago

What free resources would you recommend for assistance in maths?

Andru [333]

Usually bbc bitesize is what I use for basically everything. Here’s a link:
https://www.bbc.com/bitesize

3 0

3 years ago

Read 2 more answers