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Lynna [10]
3 years ago
6

Consider the system of equations: y=x-3 & 4x-10y=6. How many solutions does the system have? *

Mathematics
1 answer:
aleksklad [387]3 years ago
7 0
The correct answer is (B)
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Determine whether QRS is a right triangle for the given vertices. Explain.
LekaFEV [45]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
Evaluate: (8y+5) -2z; if y =3 and z =9
iVinArrow [24]

Answer:

11

Step-by-step explanation:

(8y + 5) - 2z

y = 3, z = 9

Let's plug in the given values.

(8(3) + 5) - 2(9)

First let's multiply.

(24 + 5) - 18

Now simplify within the parentheses.

29 - 18

Subtract.

11

This is your answer.

Hope this helps!

5 0
3 years ago
How can you use the Distributive Property to check your work when factoring? Once an expression has been factored, use the Distr
Mariana [72]

Answer:

Once an expression has been factored, use the Distributive Property to expand the expression. The expanded expression should be the original expression.

Step-by-step explanation:

The distributive property for any binary operation Ф under * in the given set S where a, b, c ∈ S

The binary operation a * (b Ф c) = (a * b) Ф (a * c) .

The operation * distributes over the operation Ф.

Now, when factoring, suppose we have an expression ab + ac. To factor this, we have a(b + c).

To check that our answer is correct, since the expression has been factored, we then distribute the multiplication over the addition to check if the factorization is correct.

So, a(b + c) = ab + ac which is our initial expression.

So, to use the distributive property to check work when factoring, once an expression has been factored, use the Distributive Property to expand the expression. The expanded expression should be the original expression.

3 0
3 years ago
Read 2 more answers
Given a circle with a circumference of 30pi inches, solve for the exact area of a sector in terms of pi, whose central angle is
irinina [24]
30 pi inches divided by the one fifth angle is gonna be 6
4 0
3 years ago
The ratio of the number of boys to girls is 5 to 4. There are 60 girls in the choir. How many boys are in the choir?
sergiy2304 [10]

Answer:

48

Step-by-step explanation:

5      60

--  =  ----

4      x

5x= 240

---    ------

5       5

x=48

7 0
3 years ago
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