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BartSMP [9]
3 years ago
11

Solve by Elimination: 8x + 6y = -5 10x + 6y= -13

Mathematics
1 answer:
jonny [76]3 years ago
8 0

Answer:

x= -4 and y= 27/6

Step-by-step explanation:

-(8x + 6y = -5) which converts to -8x -6y = 5

10x + 6y = -13

simplify from there

-8x + 10x = 2x ; -6y + 6y = 0 ; 5 - 13 = -8

soo, now you have

2x = -8

x = -4

then, plug in to find y

8(-4) + 6y = -5

-32 + 6y = -5   add 32 on both sides

6y = 27    divide both sides by 6

y= 27/6 or 4.5

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I need help in this please! thank you so much!
Anna35 [415]

Answer:

C) p(x) has a zero between x=2 and x=4

Step-by-step explanation:

For a polynomial p(x), p(a)=R means that, when p(x) is divided by x-a, the remainder is R.

This is called the remainder theorem

Therefore p(2)=1, p(4)=-1 means that when p(x) is divided x-2 and x-4 is 1 and -1 respectively.

Also the Intermediate value theorem says that, if p(a) and p(b) have opposite signs then there is a certain c on (a,b) where f(c)=0 i.e there is a zero between a and b

Therefore the correct answer is C

5 0
4 years ago
Duns<br> who<br> 3. Which is greater 1.06 or 1.061? Explain your thinking.
umka2103 [35]

Answer:

1.061

Step-by-step explanation:

1.061 is greater because it has a one at the end, compared to the 1.060.

If this answer is correct, please make me Brainliest!

7 0
3 years ago
The circumference of a circular garden is 141 feet. What is the radius of the garden?
evablogger [386]

Answer:

r ≈ 22.44 ft

Step-by-step explanation:

The circumference (C) of a circle is calculated as

C = 2πr ( r is the radius ), then

141 = 2πr ( divide both sides by 2π )

\frac{141}{2\pi } = r , that is

r ≈ 22.44 ft ( to the nearest hundredth )

6 0
3 years ago
Read 2 more answers
What is the fifth term in the arithmetic sequence defined by the explicit formula an=6n−4?
Juli2301 [7.4K]
<span>In an explicit formula, n represents any term number and a(n) represents the value of the n-th term. Therefore, in order to find the fifth term, we simply solve for a(n) when n = 5. Plugging that value into the equation gives us a(5)=6(5)-4, or a(5) = 26. The fifth term is of the sequence is 26.</span>
4 0
3 years ago
Read 2 more answers
How was
JulijaS [17]

Answer:

reflect

Step-by-step explanation:

dilate means bigger or smaller than the original.

4 0
2 years ago
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