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3 years ago

Is 210 a prime. Composite, or neither. And if the is composite do I write it as a product of prime factors.

Mathematics

2 answers:

Xelga [282]3 years ago

8 0

210 is a composite number and the prime factors are 2,3,5, and 7

e-lub [12.9K]3 years ago

6 0

It is a composite number and it is written as 7*3*5*2

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Simplify the expression:<br> -6(1.4 - r)=

Vitek1552 [10]

Answer:

$6r-8.4$

Step-by-step explanation:

$-6(1.4-r)$

Use the distibutivve property to multiply -6 by 1.4 - r

$-8.4 +6r$

Then move over 6r to the front

$6r-8.4$

6 0

2 years ago

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You have 3 gallons of brown stock. You need 6 cups to make one serving of braised short ribs. How many servings can you make?

Vilka [71]

Answer: 8 servings can be made

Step-by-step explanation:

Concept:

As we can see from the question there are two different units applied [gallons] and [cups]; therefore, we need to do the unit conversion.

<u>1 gallon = 16 cups</u>

Solve:

Given there are 3 gallons of brown stock, we need to convert gallons into cups.

1 gallon = 16 cups
3 gallons = 16 × 3 = 48 cups

Then, divide 48 cups by 6 cups to find out how many servings can be made.

48 cups / 6 cups = 8 servings

Hope this helps!! :)

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6 0

3 years ago

1. Find m2K.

Kruka [31]

Answer:

m∠k = 60°

Step-by-step explanation:

an exterior angle of a triangle is equal to the sum of the opposite interior angles

4x + 2 + 6x - 12 = 130

to find x:

4x + 2 + 6x - 12 = 130

4x + 6x = 130 - 2 + 12

10x = 120

x = 120/10

x = 12

apply the value of x to find the measure of angle K:

k = 6*12 - 12 = 60

5 0

3 years ago

A line crosses through the point (3,10) and another point can be found on the line by going right 2 and down 7. find slope and y

DerKrebs [107]

Answer:

y = $\frac{-7x}{2}+\frac{41}{2}$

Step-by-step explanation:

We are given the point (3, 10).

The second point is 2 on the x-axis and -7 on the y-axis. So our second point is: (3 + 2, 10 - 7) which is (5, 3).

Our formula for slope is m = $\frac{rise}{run}$ = $\frac{y2-y1}{x2-x1}$

So, our equation would be $\frac{3-10}{5-3}$ = $\frac{-7}{2}$

Using the standard formula of a line, y = mx + b, we can substitute for the slope, m.

y = $\frac{-7x}{2}$ + b

Now, we can substitute a point on the line to determine the y-intercept:

Using the point (3, 10),

10 = $\frac{-7(3)}{2}$ + b

b = 10 + $\frac{21}{2}$

b = $\frac{41}{2}$

So our full equation is: y = $\frac{-7x}{2}+\frac{41}{2}$

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2 years ago

Evaluate the variable expression for x = 5, and enter your answer in the box

DiKsa [7]

The answer is 20 because you would do (5-9) which is -4 multiplied by -5 is positive 20

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3 years ago