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2 years ago

Is (2, 6) a solution to this system of equations? y = -x + 8 y = 5x - 4 yes no

Mathematics

1 answer:

Alexxx [7]2 years ago

6 0

Answer:

Yes

Step-by-step explanation:

To see is (2, 6) is a system, we can plug it into the system to check if it gives us true statements:

6 = -2+8

6 = 6

6 = 5(2)-4

6 = 10-4

6 = 6

Both of the equations are true, therefore (2, 6) is a solution to this system.

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A mountain climber is at a height of 750 meters and begins his descent.

Lemur [1.5K]

Answer:

f(x)=750-15t

Step-by-step explanation:

He starts off at 750 meters, and he decends 15 meters psr minute

7 0

3 years ago

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Which quadratic equation has the roots -1+4i and -1-4i

AysviL [449]

Answer:

Step-by-step explanation:

Solve the quadratic in answer choice C using the quadratic formula:

$x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}$ .

Here a=1, b=2, and c=17.

Substitute and you'll have:

$x=\frac{-b+/-\sqrt{b^2-4ac} }{2a} =\frac{-2+/-\sqrt{(-2)^2-4(1)(17)} }{2(1)}=\frac{-2+/-\sqrt{4-68}}{2)}$

$\frac{-2+/-\sqrt{-64} }{2}=\frac{-2+/-8i }{2}=-1+/- 4i$

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4 years ago

This year, a company produced 8 percent more items than last year. If the company produced 243 items this year, how many items d

Ilya [14]

Answer:

Last year company produce 225 items

Step-by-step explanation:

let the number of items produced last year be x

Here we are asked to find the percent increase in the production of the items from last year

The production for the last year = x

The production for the current year = 243

Total increased production =243-x

Hence percentage calculation = $\frac{\increase \in \sale}{\last \year \sale} \times 100$ %

Increased percentage = $\frac{243-x}{x} \times 100$ %

Percentage increased = 8 %

Hence

$\frac{243-x}{x} \times 100 = 8$

${243-x}\times 100 = 8 \times x$

$24300-100x = 8x$

$24300=100x+8x$

$24300=108x$

$x= \frac{24300}{108}$

x=225

Hence Last year production was 225 items

6 0

3 years ago

. Complete the congruence statement.

dexar [7]

Answer: angle N

Step-by-step explanation:

The order of the triangle names HAS to indicate which angles are congruent. First letters are congruent (D and M), second letters are congruent (E and N), and third are congruent (F and O). Also, the diagram shows that the triangles are reflections of each other. reflect one triangle onto the other, and you see that E and N overlap.

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3 years ago

What is the minimum price<br> $28, $36, $44, $59, $66, $71, $180

zlopas [31]

$28 because Minimum is the least or smallest amount REMEMBER THIS

4 0

3 years ago

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