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Sergeeva-Olga [200]

3 years ago

13

Can you explain triangle congruence therom

1 answer:

Nesterboy [21]3 years ago

4 0

There are five ways to find if two triangles are congruent: SSS, SAS, ASA, AAS and HL.
SSS (side, side, side) SSS stands for "side, side, side" and means that we have two triangles with all three sides equal. ...
SAS (side, angle, side) ...
ASA (angle, side, angle) ...
AAS (angle, angle, side) ...
HL (hypotenuse, leg)

Please visit this site for further information:
http://www.mathsisfun.com/geometry/triangles-congruent-finding.html

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The total cost of apples is directly proportional to the number of pounds purchased. Deven bought 10 pounds of apples for $25. H

Nina [5.8K]

I think it’s a cause if just divide and multiply

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3 years ago

Foil: (x+9)(3x-4)

QveST [7]

QUESTION 1

The given binomial is;

$(x+9)(3x-4)$

First terms are multiplied: $x\times 3x=3x^2$

Outside terms are multiplied: $x\times -4=-4x$

Inside terms are multiplied: $9\times 3x=27x$

Last terms are Multiplied: $9\times -4=-36$

This gives us;

$=3x^2-4x+27x-36$

$=3x^2+23x-36$

QUESTION 2

We want to factor

$6r^5s+4r^4s^2-8r^2s$

The HCF is $2r^2s$

We factor to get;

$2r^2s(3r^3+2r^2s-4)$

QUESTION 3;

$x^2+x-2=0$

Split the middle term;

$x^2+2x-x-2=0$

Factor

$x(x+2)-1(x+2)=0$

$(x+2)(x-1)=0$

$(x+2)=0,(x-1)=0$

$x=-2,x=1$

The solutions are;

$x=-2$ and $x=1$

These are the x-intercepts of the graph of the function

$f(x)=x^2+x-2$

3 0

3 years ago

How do you turn 245/360 into a decimal

erastovalidia [21]

Answer:

68.06%;

Step-by-step explanation:

6 0

3 years ago

The mid point of ab is m(-2,-6) if the coordinates of a are (-1,4) what are the coordinates of B

aliina [53]

Answer:

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8 0

3 years ago

Lin uses an app to graph the charge on her phone.

exis [7]

Answer:

See below

Step-by-step explanation:

<u>Use the graph to answer the following questions:</u>

When did she start using her phone?

At 2 afternoon

When did she start charging her phone?

At 8 afternoon

While she was using her phone, at what rate was Lin’s phone battery dying?

<u>From 100% to 40% between 2PM and 4 PM:</u>

(100 - 40)/(4 - 2) = 60/2 = 30% per hour

8 0

2 years ago

Read 2 more answers