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3 years ago

Type the integer that makes the following addition sentence true Blank + (-8) = -2

Mathematics

1 answer:

kati45 [8]3 years ago

3 0

The answer would be 6. This be because 6 + -8 = -2.

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I NEED HELPPPPPP It’s about constant rate I DONT GET THIS AT ALL :’( Explanation needed PLEASEEEEEEEE

Vika [28.1K]

Answer:

D Antenna #4

Step-by-step explanation:

As per given graph we can write the function

the intercept is zero, as x=0, y=0

at x=2, y=30 ⇒ 30= 2*15
at x=4, y=60 ⇒ 60= 4*15

The slope is 15, so the function is

y=15x

And the function for the antenna revolving at twice the rate would be

y=30x

Comparing data in given tables we can see it is D Antenna #4

x= 22 ⇒ y= 22*30= 660
x=24 ⇒ y= 24*30= 720

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3 years ago

Factor the expression f^2+10f+16

denis-greek [22]

Answer: (f + 2) (f + 8)

It's hard to explain, but I suggest you use the AC method. Hope this helps!

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3 years ago

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What is the value of u and v?

Novay_Z [31]

Answer and Explanation:

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u = v = 164√2 / √2 = 164

so:

u = 164

v = 164

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2 years ago

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3 years ago

To solve a system of inequalities so you can graph it how do you change these two equations into something like the two that are

Zigmanuir [339]

Explanation

Problem #2

We must find the solution to the following system of inequalities:

$\begin{gathered} 3x-2y\leq4, \\ x+3y\leq6. \end{gathered}$

(1) We solve for y the first inequality:

$-2y\leq4-3x.$

Now, we multiply both sides of the inequality by (-1), this changes the signs on both sides and inverts the inequality symbol:

$\begin{gathered} 2y\ge-4+3x, \\ y\ge\frac{3}{2}x-2. \end{gathered}$

The solution to this inequality is the set of all the points (x, y) over the line:

$y=\frac{3}{2}x-2.$

This line has:

• slope m = 3/2,

• y-intercept b = -2.

(2) We solve for y the second inequality:

$\begin{gathered} x+3y\leq6, \\ 3y\leq6-x, \\ y\leq-\frac{1}{3}x+2. \end{gathered}$

The solution to this inequality is the set of all the points (x, y) below the line:

$y=-\frac{1}{3}x+2.$

This line has:

• slope m = -1/3,

• y-intercept b = 2.

(3) Plotting the lines of points (1) and (2), and painting the region:

• over the line from point (1),

• and below the line from point (2),

we get the following graph:

Answer

The points that satisfy both inequalities are given by the intersection of the blue and red regions:

8 0

1 year ago