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Naddik [55]
2 years ago
10

PIC BELOW SOMEONE PLZ HELP....

Mathematics
2 answers:
Citrus2011 [14]2 years ago
6 0

Answer:

C: A line travelling to the right with an open dot on p = -3.

Step-by-step explanation:

You use a closed dot when the equation is greater/less than or equal to: \geq \leq

It goes right because if it went left it would be p < -3.

evablogger [386]2 years ago
4 0

Answer:

A line traveling to the right with an open dot on p = -3

(sorry if this isn't right .-.)

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What is the answer to 2x to the power of 2 +x +1=0
KonstantinChe [14]

Answer:

x=-1

Step-by-step explanation:

x+1=0(squared).

x+1=0 (anything raise to the power 0 is 0

collect like terms =x=-1

therefore x=-1

4 0
2 years ago
Find the range of the data set 145, 612, 120, 349, 515, 212, 590.
storchak [24]

Answer:

The biggest - the smallest

612-120=492

6 0
2 years ago
Read 2 more answers
an isosceles triangle has congruent sides of 20cm. the base is 10cm. find the height of the triangle.​
dolphi86 [110]

Answer:

\large\boxed{A_\triangle=25\sqrt{15}\ cm^2}

Step-by-step explanation:

Look at the picture.

The formula of an area of a triangle:

A_\triangle=\dfrac{bh}{2}

<em>b</em><em> - base</em>

<em>h</em><em> - height</em>

<em />

We need a length of a height.

Use the Pythagorean theorem:

leg^2+leg^2=hypotenuse^2

We have:

leg=5,\ leg=h,\ hypotenuse=20

Substitute:

5^2+h^2=20^2

25+h^2=400             <em>subtract 25 from both sides</em>

h^2=375\to h=\sqrt{375}\\\\h=\sqrt{(25)(15)}\\\\h=\sqrt{25}\cdot\sqrt{15}\\\\h=5\sqrt{15}\ cm

Calculate the area:

A_\triangle=\dfrac{(10)(5\sqrt{15})}{2}=\dfrac{50\sqrt{15}}{2}=25\sqrt{15}\ cm^2

8 0
3 years ago
Slimpfy 48 show all steps
chubhunter [2.5K]

Divide the number that islf can divide by like 2 or 3 or 4 for exaples

4 0
3 years ago
Use elimination to solve the system
Dovator [93]
Just divide the numbers and times them
4 0
3 years ago
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