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pochemuha
3 years ago
8

Simplify this question2a-4(a-2)​

Mathematics
2 answers:
Korvikt [17]3 years ago
6 0

Answer:

-2a +8

Step-by-step explanation:

2a - 4(a-2)

=2a -4a + 8

= -2a +8

Hope this helps you.

<em>Good Luck!</em>

Delvig [45]3 years ago
3 0

Answer:

-2a +8

Step-by-step explanation:

2a-4(a-2)​

Distribute

2a -4a +8

Combine like terms

-2a +8

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Factorise a^2-2ab+b^2-c^2​
anygoal [31]

Answer:

(a-b-c)(a-b+c)

Step-by-step explanation:

a^2-2ab+b^2-c^2

(a-b)^2-c^2

(a-b-c)(a-b+c)

7 0
3 years ago
A square calendar has sides that are 7 inches long. What is the calendar's area?
Ymorist [56]

Answer:

49

Step-by-step explanation:

7x7=49

4 0
3 years ago
In a large population, about 10% of people do not like the taste of cilantro, an herb used in cooking. A researcher takes a rand
bogdanovich [222]

Answer:

0.0019390

Step-by-step explanation:

10% of people do not like the taste of cilantro

A researcher takes a random sample of 15 people and surveys whether they like cilantro

Use the binomial distribution to compute the probability that exactly 6 of the people in the sample do not like cilantro.

Probability of success = 0.10 = p

Probability of failure = 0.9 =q

n = 15

r = 6

Formula : P(X=r)=^nC_rp^r q^{n-r}

P(X=6)=^{15}C_6 (0.1)^6 (0.9)^{15-6}

P(X=6)=\frac{15!}{6!(15-6)!} (0.1)^6 (0.9)^{15-6}

P(X=6)=0.0019390

Hence  the probability that exactly 6 of the people in the sample do not like cilantro is 0.0019390

3 0
3 years ago
Can someone help me find the slope it’s timing me
tekilochka [14]

Answer:

It looks like the slope is -2

3 0
3 years ago
18r-4r=28 solve for r
ollegr [7]

Answer:

r=2

Step-by-step explanation:

18r-4r=14r

14r=28

r=2

6 0
3 years ago
Read 2 more answers
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