All categories

3 years ago

Is there a x=-2 in these equations

Mathematics

2 answers:

dem82 [27]3 years ago

6 0

plug in the x for all of those to find y

KonstantinChe [14]3 years ago

5 0

If I am reading this corrwctly I think no all you need to do is solve for y by applying the a value which equals 2
a. y=5
b. y=3
c. y=2

You might be interested in

What is an equation of the line that passes through the points (4,-2) and (-1,3)

Paraphin [41]

Answer:

<h3>The slope is -1.</h3>

Step-by-step explanation:

To find an equation of the line that passes through the points, you have to use the slope formula.

Slope:

$\Rightarrow \sf{\dfrac{y_2-y_1}{x_2-x_1} }$

y2=3

y1=(-2)

x2=(-1)

x1=4

Solve.

3--2/-1-4=5/-5=-1

The slope is -1.

4 0

1 year ago

Read 2 more answers

For a science experiment, Ashley removes a cold liquid from a refrigerator and measures its temperature every

zhuklara [117]

Answer:

why are the number wierd i do it but idk the temp for the second one

Step-by-step explanation:

8 0

3 years ago

A farmer plans to fence a rectangular corral. The diagonal distance from one corner of the corral to the opposite corner is five

garik1379 [7]

Answer:

Length of diagonal is 7.3 yards.

Step-by-step explanation:

Given: The diagonal distance from one corner of the corral to the opposite corner is five yards longer than the width of the corral. The length of the corral is three times the width.

To find: The length of the diagonal of the corral.

Solution: Let the width of the rectangular garden be <em>x</em> yards.

So, the length of the diagonal is $x+5$

width of the rectangular corral is $3x$

We know that the square of the diagonal is sum of the squares of the length and width.

So,

$(3x)^{2} +x^{2} =(x+5)^{2}$

$9x^{2} +x^{2} =x^{2}+10x+25$

$9x^{2}-10x-25=0$

$x=\frac{-b\pm\sqrt{b^{2} -4ac} }{2a}$

$x=\frac{10\pm\sqrt{(-10)^{2} -4(9)(-25)} }{2(9)}$

$x=\frac{10\pm\sqrt{100}}{18}$

Since, side can't be negative.

$x=\frac{5}{9}+\frac{5}{9}\sqrt{10}$

Now, length of the diagonal is

$5+\frac{5}{9}+\frac{5}{9}\sqrt{10}$

Hence, length of diagonal is 7.3 yards.

4 0

3 years ago

What's <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B50%20-%201%7D%20" id="TexFormula1" title=" \sqrt{50 - 1} " alt=" \sqrt

nikklg [1K]

Inside the root is 50-1

50-1 = 49

You would remain with root 49 but, if you calculate the square root the answer would be 7 because...

7•7 = 49

^ So, the answer is 7

4 0

3 years ago

Read 2 more answers

A packet of 33 Marbles needs to be split between Gavin and Howard in the ratio of 5:6. How many marbles will each boy get.

Eduardwww [97]

Answer:

15 and 18

Step-by-step explanation:

33 split into groups of 5 and 6

8 0

2 years ago