Please help me in math

Answers

Answer 1

1. x[tex]\\1. x_{1}=-4, x_{2}=-3\\2. x_{1}=-4, x_{2}=9\\3. x_{1}=-5, x_{2}=8\\4. x_{1}=-4, x_{2}=1.5\\5. x_{1}=-4, x_{2}=4\\6. x_{1}=2, x_{2}=4\\7. x_{1}=1.75, x_{2}=1.75\\8.x_{1}=-\sqrt{7}-6 , x_{2}=\sqrt{7} -6\\9. x_{1}=-2, x_{2}=1\\1. x_{1}=-8, x_{2}=8[/tex]=-4, x2=-3

Related Questions

The distance between Franklin City and Williamsville on a map is 3.2 inches. If the scale of the map is 1 inch = 15 miles, how many miles apart are the two cities?

Answers

Answer: 48 miles

Step-by-step explanation:

From the question, the distance between Franklin City and Williamsville on a map is 3.2 inches and the scale of the map is 1 inch = 15 miles.

The distance between the cities will be to multiply 3.2 by 15 to get the number of miles since 1 inch = 15 miles. This will be:

= 3.2 × 15 miles.

= 48 miles

The distance between Franklin City and Williamsville is 48 miles.

Answer:

48 Miles

Step-by-step explanation:

Good Luck

If x = 2 and y = 6 , evaluate the following expression: 2 ( x + y )

Answers

Answer:

Step-by-step explanation:

If x = 2 and y =6

Then

2 ( x+ y)

= 2 ( 2 + 6)

= 2 * 8

= 16

hope it helps :)

Answer:

Step-by-step explanation:

you will do 2 + 6 = 8

so it = 8

x=2

y=6

and than u will 8 x 2 = 16

the answer is = 16

How do you simplify X^-7?

Answers

Answer:

below

Step-by-step explanation:

Rewrite the expression using the negative exponent rule

b ^− n =1/ b^ n . 1 x^ 7

Plz help fast I will mark brainiest!!!

Answers

Answer:

Step-by-step explanation:

You’re supposed to use the points (4,-3) and (1,-4).

Slope = (difference of y-coordinates)/(difference of x-coordinates)

= (-3 - (-4))/(4 - 1) = 1/3

Answer:

slope = [tex]\frac{1}{3}[/tex]

Step-by-step explanation:

Calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (1, - 4) and (x₂, y₂ ) = (4, - 3) ← 2 points on the line

m = [tex]\frac{-3+4}{4-1}[/tex] = [tex]\frac{1}{3}[/tex]

The equation x2 = d has how many real solutions when d > 0?

Answers

Answer:

Two: [tex]\sqrt{d}[/tex] and [tex]\left(-\sqrt{d}\right)[/tex].

Step-by-step explanation:

The question is asking for the number of real numbers [tex]x[/tex] whose square is equal to [tex]d[/tex] (where [tex]d > 0[/tex].)

Naturally, the square root of [tex]d[/tex]: [tex]\sqrt{d}[/tex] would satisfy the requirement. [tex]\left(\sqrt{d}\right)^{2} = d[/tex].

However, keep in mind that [tex](x)^2[/tex] and [tex](-x)^{2}[/tex] have the same value. Therefore, if [tex]x =\sqrt{d}[/tex] would satisfy the equation, the opposite [tex]x = -\sqrt{d}[/tex] would also do.

Since [tex]d > 0[/tex], [tex]\sqrt{d}[/tex] and [tex]\left(-\sqrt{d}\right)[/tex] would both take real values.

Because [tex]d \ne 0[/tex], the value of [tex]\sqrt{d}[/tex] and [tex]\left(-\sqrt{d}\right)[/tex] would be distinct.

Hence, [tex]\sqrt{d}[/tex] and [tex]\left(-\sqrt{d}\right)[/tex] would correspond to the two real solutions of this equation.

PLZ HELP WITH MATH!!!

Answers

Answer:

128 in.^2?

Step-by-step explanation:

a rectangle is also a parallelogram, so find the area of the rectangles.

if it is a 30-60-90 triangle, 8 inches is x, and to find the sides, it is either (x)sqrt(3), or in this case, 2x, so 16x8= 128?

please help me this is for a grade

Answers

Answer:

Step-by-step explanation:

what coordinate points (x,y) represents how far the vacuum travels in two and a half minutes

Answers

Answer:

40 square feet

Step-by-step explanation:

Which shows the numbers in order from greatest to least? A. 13 456 43 165 14 653 B. 13 456 14 653 43 165 (C.) 43 165 14 653 13 456 D. 43 165 13 456 14 653

Answers

Answer:

(C.) 43 165; 14 653; 13 456

Step-by-step explanation:

The numbers:

13, 456

43,165

14, 653

Arranging in order from greatest to least:

43,165; 14,653; 13,456

Option C is the correct answer

A. 13 456 43 165 14 653

B. 13 456 14 653 43 165

(C.) 43 165 14 653 13 456

D. 43 165 13 456 14 653

Help me plsss plssss plsssssss

Answers

Answers

Answer:

Y=-x+1

Step-by-step explanation:

Answer:

y=-x+1

Step-by-step explanation:

to get this you use the point-slope formula

y-y1=m(x-x1) - plug in the coordinates and find the slope

y--3=-1(x-4) - change the sign and solve the parentheses

y+3=-x+4 - subtract 3 from both sides to get y by itself

y=-x+1

hellp me pls i need to pass this class or my parents will kill me for not passing

Answers

Answer:

hello wat is the matter how can I help I am a tutor I can teach you

a right triangle has side lengths 8, 15, and 17 as shown below. Use these lengths to find cosY, sinY, and tanY

Answers

cos Y = 8/17
sin Y = 15/17
tan Y = 15/8

Quadratic functions g(x) and h(x) are graphed on the same coordinate grid. The vertex of the graph of h(x) is 12 units above the vertex of the graph of g(x) .
Which pair of functions could have been used to create the graphs of g(x) and h(x)?
h(x)=(x+12)2 and g(x)=x2
h(x)=x2−12 and g(x)=x2
h(x)=x2+12 and g(x)=x2
h(x)=(x−12)2 and g(x)=x2

Answers

Answer:

h(x) = x^2 + 12 and g(x) = x^2

Step-by-step explanation:

In this case there is a positive, vertical translation of 12 units up.

The original g(x) = x^2 has its vertex at (0, 0), whereas h(x) has its vertex at (0, 12). The function h(x) is found by adding 12 to g(x) = x^2:

h(x) = x^2 + 12

The third answer choice is the correct one: h(x) = x^2 + 12 and g(x) = x^2

help for 20 points plsss helppp

Answers

Answer:

hkj

jkg

Step-by-step explanation:

Plz mark me brainliest.

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