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4 years ago

Nora tracked variations in temperature for five days to show how much above or below average the actual temperature was.

Mathematics

2 answers:

stepladder [879]4 years ago

5 0

Answer:

Wednesday

Step-by-step explanation:

1. First find the position of each variable on the number line.

2. The average temperature is 0 because it is in the center.

3. The answer cannot be Monday because it is above so it is Wednesday.

finlep [7]4 years ago

4 0

Answer:wendsday

Step-by-step explanation:

I took the test hope it helps :)

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Evaluate f(9) given the function f(x)=3x2 – 11x - 21*

Blizzard [7]

Answer:

123

Step-by-step explanation:

The given function is :

$f(x)=3x^2 - 11x - 21$

We need to find the value of f(9). It can be done by putting x = 9 in the above function as follows :

$f(9)=3(9)^2 - 11(9) - 21\\\\=243-99-21\\\\=123$

So, the value of f(9) is 123.

3 0

3 years ago

Rasheed is buying wings and quesadillas for a party. A package of wings costs $8. A package of quesadillas costs $10. He must sp

galina1969 [7]

Answer:

10 is maximum of packages of quesadillas.

Step-by-step explanation:

x= number of wings

y= number of quesadillas

x+y=20

8x+10y=$160

if x=7

then 7+y=20

20-7=14=y

14*10=140

8*7=56

Rasheed can't buy 20 packages, since it'll go over his budget.

So 160-56=104

And 104/10= 10 minimum

10*10=100

100+56=160

So he can buy 10 packages of quesadillas.

7 0

3 years ago

A kite is flying at an attitude of 12 yd. If

Molodets [167]

Answer:

576 inches long Pls mark me brainliest

6 0

3 years ago

Knots are a unit of speed used for sailing. 1 knot is equal to 1.2 miles per hour. Jesse travels 15 miles by boat in 2.5 hours.

Alinara [238K]

Answer:

5 knots

Step-by-step explanation:

In order to find the speed Jesse travels in knots, you need to find his unit rate, or miles per hour. Setting up a fraction and dividing will give you how many miles her traveled per hour:

$\frac{miles}{hour}=\frac{15}{2.5}=\frac{6}{1}or6mph$

Since Jesse traveld at 6mph, you can set up a proportion (equivalent ratios) using the ratio of 1 knot to 1.2 miles per hour to find the number of knots in 6mph:

$\frac{1.2}{1}=\frac{6}{x}$ where x = the number of knots

cross-multiply and divide: 1.2x = 6 or x = 5 knots

5 0

4 years ago

How do you solve this ?

Burka [1]

There is a rather-hard-to-remember formula for the lateral area of a cone. I'd suggest you look that up on the 'net. Here you have a right circular cone with radius 24/2, or 12 units and slant height 36 units. If you're unable to find the formula on your own, come back and I'll give you some hints.

5 0

4 years ago