All categories

4 years ago

Can someone please help me??? And please be sure of ur answer :)

Mathematics

1 answer:

Rina8888 [55]4 years ago

3 0

Answer:

1. is the last one.

2. is the 3rd one.

3. is the first one.

4. is the 2nd one.

Step-by-step explanation:

What you do is you have to get the letter by itself and it all depends on the less than or greater than signs.

For #1. -m+8>6. What you do is you minus 8 from both sides to get -m>-2. You still have a -m so you need to divide both sides by a -1. (one thing to remember is when you divide by a negative you have to switch the sign.) So your answer will be m<2. That will make the last graph the answer.

For #2. -2p< or equal to -10. What you do is divide by -2. and you need to remember to switch the sign. So your answer is p> or equal to 5.

You will do the same for the other two equations but your answers are.

#1. is the last one graph.

#2. is the 3rd one graph.

#3. is the first one graph.

#4. is the 2nd one graph.

You might be interested in

9x + 8 y = -6 -9x - 9y - 9 Elimination

kolezko [41]

Answer:

x = 2, y = -3

Step-by-step explanation:

Add them together and get

9x + 8y - 9x - 9y = -6 + 9

-y = 3

so y = -3.

Sub it into the first equation and get

9x + 8(-3) = -6

9x - 24 = -6

9x = -6 + 24 = 18

x = 18/9 = 2

6 0

2 years ago

Quadrilateral ABCD is inscribed in this circle. What is the measure of angle A?

e-lub [12.9K]

Here’s an easy tip.
Always know that the angles next to each other, for example,AB, DC, AD& BC always equal to 180 degrees when added together.
So, we know that angle A plus angle B is 180.
Lets set it up.
2x+1+148=180
Combine like terms.
2x+ 149= 180
Subtract 149 from each side.
2x= 31
X= 15.5 degrees

5 0

3 years ago

A circle has the equation x2 + (y−7)2 = 121. What is the length of the diameter of the circle?

Reika [66]

Answer:

Step-by-step explanation:

The standard form for an equation of a circle is $(x-h)^2+(y-k)^2=r^2$ , where h is the x coordinate of the center of the circle, k is the y coordinate, and r is the radius of the circle. Therefore, the radius of this circle squared is 121, meaning that the radius of the circle is 11. Since the diameter of a circle is twice the radius, the radius of this circle is 22. Hope this helps!

8 0

3 years ago

PLS HELP ASAP What is the value of x?

Furkat [3]

ANSWER

a. 12 units

EXPLANATION

According to the altitude theorem, RT which is the altitude, is equal to the geometric mean of TQ and TS, the segments created by the foot of the altitude on the hypotenuse.

This implies that:

$x = \sqrt{TQ \times TS}$

From the diagram, TQ=16 and TS=9.

We substitute these values and solve for x.

$x = \sqrt{9 \times 16}$

$x = \sqrt{144}$

$x = 12$

Therefore x is 12 units.

The correct answer is A

3 0

3 years ago

the height of a cone is twice its diameter. the cone has a radius of 3 units. what is the exact volume, in cubic units, of the c

barxatty [35]

Hello!

The height is twice the diameter

The diameter is twice the radius

diameter = 3 * 2 = 6

Height = 6 * 2 = 12

The height is 12

The equation for the volume of a cone is

$V = \pi r^{2} \frac{h}{3}$

V is volume
r is radius
h is height

Put in the values we know

$V = \pi 3^{2} \frac{12}{3}$

Simplify the equation

$V = \pi 9 * 4$

Multiply

$V = 36 \pi$

The answer is $36 \pi$

Hope this helps!

5 0

4 years ago