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4 years ago

Is the graph increasing, decreasing, or constant?

Mathematics

1 answer:

Svet_ta [14]4 years ago

7 0

The graph in increasing

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Evaluate the following multiplication expression: -2(11)

matrenka [14]

Answer:

the answer is negative 22

Step-by-step explanation:

-2 x 11 = -22

4 0

3 years ago

In a lab, a substance was cooked by 42 C over a period of 7 hours at a constant rate. What was the change in temperature each ho

Mekhanik [1.2K]

Given that we have the change in temperature over 7 hours and we are looking for the change over 1 hour, we can divide the total change in temperature by 7. Thus, the change in temperature would be $\frac{42}{7} C^{\circ}$ .

Additionally, this can be solved by equations:

$\dfrac{42 \,\textrm{C}^{\circ}}{7 \,\textrm{hours}} = \dfrac{x \,\textrm{C}^{\circ}}{1 \,\textrm{hour}}$

$1 \,\textrm{hour} \cdot \dfrac{42 \,\textrm{C}^{\circ}}{7 \,\textrm{hours}} = x \,\textrm{C}^{\circ}$

$\dfrac{42}{7} \,\textrm{C}^{\circ} = x \,\textrm{C}^{\circ}$

$\dfrac{42}{7} = x$

By using two different methods, we can determine that the change each hour was equal to 42/7 C° per hour.

6 0

3 years ago

A student ticket to the movie cost $4

Shalnov [3]

Answer:(X x 4)=

Step-by-step explanation:

Basically u times how many tickets u need times how much it cost

Example( 1ticket X 4dollars) =4 dollars

8 0

3 years ago

Read 2 more answers

Dell Tim and tommy ordered a pizza that was cut into 12 pieces dell had one piece Tim had 3 pieces and tommy had 4 pieces how mu

Studentka2010 [4]

Answer: they had 7/12 or 7 slices out of 12 slices

Step-by-step explanation:

7 is a prime number so you can't a simplify the fraction and the denominator is 12 and 3 plus 4 is 7 which is the numerator

6 0

3 years ago

Given right triangle JKL, what is the value of cos(L)?

brilliants [131]

The value of cos(L) in the triangle is Five-thirteenths

<h3>What are right triangles?</h3>

Right triangles are triangles whose one of its angle has a measure of 90 degrees

<h3>How to determine the value of cos(L)?</h3>

The value of a cosine function is calculated as:

cos(L) = Adjacent/Hypotenuse

The hypotenuse is calculated as

Hypotenuse^2 = Opposite^2 + Adjacent^2

So, we have:

Hypotenuse^2 = 12^2 + 5^2

Evaluate

Hypotenuse^2 = 169

Take the square root of both sides

Hypotenuse = 13

So, we have

Adjacent = 5

Hypotenuse = 13

Recall that

cos(L) = Adjacent/Hypotenuse

This gives

cos(L) = 5/13

Hence, the value of cos(L) in the triangle is Five-thirteenths