Ask question

Ask question

All categories

3 years ago

11

The temperature on a Christmas morning was -7 degrees celsius. Three hours later the temperature dropped 5 degrees. Then by noon

, the temperature rose 9 degrees, but by night fall it dropped again 12 degrees. What was the temperature by night fall?

1 answer:

saul85 [17]3 years ago

7 0

Answer:

-15 degrees celsius

Step-by-step explanation:

-7 - 5 + 9 - 12 = - 12 - 3 = -15

You might be interested in

Which of the following fractions will convert to terminating decimals?

valina [46]

Answer:

B and D

Step-by-step explanation:

A terminating decimal differs from a repeating decimal in that ; terminating decimals have a finite number of numbers after a decimal point whereby repeating decimals Don not have a fine number of numbers after the decimal point.

Given :

A. 2/7 = 0.2857...

B. 3/2 = 1.5

C. 2/3 = 0.6666...

D. 3/5 = 0.6

E. 5/9 = 0.5555...

B and D are terminating decimal values.

6 0

2 years ago

Does the graph of f (x) = -(x+6)2 have a maximum or a minimum?

Flura [38]

Answer:

the quadratic function has a maximum as it is opened downwards.

Step-by-step explanation:

pls mark brainliest if you could! hope this helped!

5 0

3 years ago

How many 2/3 can fit in 2

MrRa [10]

At least 3 2/3 can fit into 2

3 0

2 years ago

Read 2 more answers

What is the value of the rational expression 2x^2+5x+9/x^2+2x-1 when x=-2

Sergio039 [100]

Answer:

The value of the Rational expression when $x=-2$ is: $-7$

Step-by-step explanation:

For this exercise is important to remember:

When a negative number is raised to an even power, the result will be positive.
The multiplication of signs:

$(+)(+)=+\\(-)(-)=+\\(-)(+)=-$

Then, given the following Rational expression:

$\frac{2x^2+5x+9}{x^2+2x-1}$

You need to follow these steps in order to find its value when $x=-2$ :

1. Substitute the given value of "x" ( $x=2$ ) into the expression:

$\frac{2(-2)^2+5(-2)+9}{(-2)^2+2(-2)-1}$

2. Evaluate and simplify:

$\frac{2(4)+5(-2)+9}{4+2(-2)-1}=\frac{8-10+9}{4-4-1}=\frac{7}{-1}=-7$

5 0

2 years ago

Read 2 more answers

Which direction would the graph of y=|x+5|-1 open? <br><br>a. down<br>b.up<br>c.right<br>d.left

amm1812

The answer fam is.......... "b.up"

3 0

3 years ago