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zimovet [89]
3 years ago
13

Please help me ill give brainliest ​

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
6 0
The answer you are looking for is 9!
Brrunno [24]3 years ago
4 0

Answer:

9

-5 - 7(-2)

-5 - (-14)

+9

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What is the sum of Triangle exterior angle sum with formula​
pentagon [3]

Answer:

Exterior angle = sum of opposite interior angles

Step-by-step explanation:

8 0
2 years ago
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
Dimensions of a house are 300 feet by 125 feet. If 1 inch represents 50 feet, what are the dimensions of the house on the drawin
Lubov Fominskaja [6]

Answer:

divide 300 feet by 50 which is 6, divide 125 ft by 50 which is 2.5. Therefore your dimensions are 6 in by 2.5 in

if you're in putting in the computer it may want 2.5 in fraction form which is 2 1/2 in or in improper fraction form 5/2 in

Step-by-step explanation:

3 0
2 years ago
Find the square root of 1/36
krek1111 [17]

Answer:

Step-by-step explanation:

la raiz cuadrada es 1/6

3 0
3 years ago
A rugby team plays two matches. They win (W) draw (D) or lose (L) each match. List the possible outcomes
mina [271]

Answer:

They can W and W.

They can W and D.

They can D and D.

They can L and L.

They can L and D.

They can W and L.

Step-by-step explanation:

7 0
2 years ago
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