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Brums [2.3K]
3 years ago
11

Hellllpppp pleaseee??

Mathematics
2 answers:
brilliants [131]3 years ago
8 0

Answer:

3

Step-by-step explanation:

(1/4 + 5/4)^2 + 3/4

(3/2)^2 + 3/4

9/4 + 3/4

3

1. start in the parenthesis by adding 1/4 by 5/4 to get 3/2.

2. calculate the 3/2 by the power of 2 and get 9/4

3. add 9/4 by 3/4 to get 3

Advocard [28]3 years ago
7 0

Answer:

The answer is 3

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Multply 400 hudred to the four sides on the lieght
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Endpoints of segment MN have coordinates (0, 0), (5, 1). The endpoints of segment AB have coordinates (1 1/2 , 2 1/4 ) and (−2 1
Zielflug [23.3K]

Answer:

k=21

Step-by-step explanation:

Find the slope of MN which is 1/5 (use the slope formula)

Use the slope formula for AB using k as y_2

Substitute and you get k=21

21-2.25/-2.25-1.5=-5

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7 0
3 years ago
3(v + 2) + 4 = 13<br> HELP ME!!
Zolol [24]

3(v + 2) + 4 = 13

Mutiply the bracket by 3

(3)(v)= 3v

(3)(2)= 6

3v+6+4= 13

3v+10=13

Move +10 to the other side

Sign changes from +10 to -10

3v+10-10= 13-10

3v= 13-10

3v= 3

divide both sides by 3

3v/3= 3/3

v= 1

Answer : v= 1

4 0
3 years ago
Read 2 more answers
1. Elana spent 45 minutes at the library, half an hour at the grocery
Ber [7]

Answer:

2:25

Step-by-step explanation:

4 0
3 years ago
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The lifespans of meerkats in a particular zoo are normally distributed. The average meerkat lives 13.113.113, point, 1 years; th
skad [1K]

Answer:

The Probability = 0.16

Step-by-step explanation:

Empirical rule formula states that:

68% of data falls within 1 standard deviation from the mean - that means between μ - σ and μ + σ.

95% of data falls within 2 standard deviations from the mean - between μ – 2σ and μ + 2σ.

99.7% of data falls within 3 standard deviations from the mean - between μ - 3σ and μ + 3σ.

Average = 13.1 years

Standard deviation = 1.5 years

x = 14.6 years

= 14.6 -13.1/1.5

= 1

This falls within 1 standard deviations of the mean

68% of data falls within 1 standard deviation from the mean - that means between μ - σ and μ + σ.

Hence:

100 - 68%/2 = 32/2 = 16%

Converting to probability = 0.16

The probability of a meerkat living longer than 14.6 years is 0.16

8 0
2 years ago
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