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Nady [450]
3 years ago
13

9. A parallelogram is a quadrilateral. True or False?

Mathematics
1 answer:
miskamm [114]3 years ago
8 0

Answer:

YES

Step-by-step explanation:

Quadrilateral have 4 sides and their sum  of angles is 360 and parallelogram also have 4 sides and sum of angles is 360

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Find f\left(-1\right)f(−1) if f\left(x\right)=f(x)=0x^3+x <br> 3<br> +2x^2x <br> 2
snow_lady [41]

Answer:

what am i looking at

Step-by-step explanation:

8 0
3 years ago
We have a box with eight green marbles, five red marbles, and seven blue marbles. We choose three marbles from the box at random
Salsk061 [2.6K]

Answer: 0.089

Step-by-step explanation:

Number of combinations of n things taking r at a time :-

^nC_r=\dfrac{n!}{r!(n-r)!}

Given : A box has eight green marbles, five red marbles, and seven blue marbles.

Total marbles = 5+8+7=20

We choose three marbles from the box at random without looking.

Number of ways to choose 3 marbles with same color :-

^8C_3+\ ^5C_3+ ^7C_3\\\\=\dfrac{8!}{3!(8-3)!}+\dfrac{5!}{3!(5-3)!}+\dfrac{7!}{3!(7-3)!}\\\\=56+10+35=101   (1)

Total ways to select 3 marbles from 20 marbles :-

\dfrac{20!}{3!(20-3)!}=1140     (2)

Now, the required probability (divide (1) by (2)):-

\dfrac{101}{1140}=0.0885964912281\approx0.089

Hence, the required probability : 0.089

7 0
3 years ago
How to do geometry proofs for slow students?
Likurg_2 [28]
Knowing how to write two-column geometry proofs provides a solid basis for working with theorems. Practicing these strategies will help you write geometry proofs easily in no time:

Make a game plan. Try to figure out how to get from the givens to the prove conclusion with a plain English, commonsense argument before you worry about how to write the formal, two-column proof.


Look up how to do geometry proofs and the first thing that should pop up if your on google should be a site called dummies.com
7 0
3 years ago
QUICK ANSWER PLEASE
pochemuha
The answer is 20cm :)
5 0
3 years ago
NEED ASAP plz. I will also mark brainiest! Don't just take points, I will report you.
Len [333]

Answer:

A:(-2,-3)

B:(-4.009,1.018) And (-2,-3)

C:x≈0,1.61878812

Step-by-step explanation:

I found the equations

g(x)=e^x+1

p(x)=5/2x+2

f(x)=-2x-7

plugged it in on a graph found the answer to find g(x) all you need to do is know the parent function y=e^2(exponential) and I found where the lines intersect for part A and B and or p(x)=g(x) I did e^x+1=(5/2)x+2

7 0
3 years ago
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