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deff fn [24]
2 years ago
13

Two numbers have the sum of 116. The same two numbers have a difference

Mathematics
1 answer:
julsineya [31]2 years ago
4 0

Answer:

64+52=116

64-52=12

Step-by-step explanation:

Brainliest plz took me like 10 minutes

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A survey showed that 77​% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their eyesight. If 22 adults are
Sveta_85 [38]

Answer:

The probability that no more than more than 11 of them need correction for their eyesight is 0.00512

No, 11 is not a significantly low low number of adults requiring eyesight​ correction .

Step-by-step explanation:

A survey showed that 77​% of adults need correction for their eyesight.

If 22 adults are randomly​ selected, find the probability that no more than more than 11 of them need correction for their eyesight.

n =22

p = 0.77

q = 1-p = 1- 0.77=0.23

We are supposed to find P(x\leq 11)

P(x\leq 11)=P(x=1)+P(x=2)+P(x=3)+.....+P(x=11)

Formula : P(x=r)=^nC_r p^r q^{n-r}

P(x\leq 11)=^{22}C_1 (0.77)^1 (0.23)^{22-1}+^{22}C_2 (0.77)^2 (0.23)^{22-2}+^{22}C_3 (0.77)^1 (0.23)^{22-3}+.....+^{22}C_{11} (0.77)^1 (0.23)^{22-11}

Using calculator

P(x\leq 11)=0.00512

So, The probability that no more than more than 11 of them need correction for their eyesight is 0.00512

No, 11 is not a significantly low low number of adults requiring eyesight​ correction .

3 0
3 years ago
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Masteriza [31]
I'm pretty sure it's D
8 0
3 years ago
What is the constant in Eric's equation?
Archy [21]
- 48x is the answer trust me on this
7 0
3 years ago
For each triangle, classify as similar due to SSS, SAS, or AA. Move each one in the correct box. See picture for item bank.
Nitella [24]

Answer:

SSS= AB/DE=AC/DF=BC/EF

SAS=angleA is congruent to angleD,

AB/DE=AC=DF

AA=angleA is congruent to angleD

angleB is congruent to angleE

step-by-step explanation:

8 0
3 years ago
Read 2 more answers
....................
garik1379 [7]

Answer:

=98m^2

Step-by-step explanation:

11×4=44

9×6=54

44+54=98

=98m^2

6 0
2 years ago
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