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Kruka [31]
3 years ago
5

Pls help me find the value of w

Mathematics
1 answer:
Gekata [30.6K]3 years ago
8 0

Answer:14

Step-by-step explanation:

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At the end of a summer sale, an air conditioner that originally sold d for 350 was on sale at a discount of 30%. What was the sa
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So the first step is 1.)  350*0.30=105
step 2) they said discount the discount mean is like spent spent is like (-)
so you do this 350-105=245
so the answer is  {245}
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3 years ago
What is the formula to find radius of the circle
klio [65]

Answer:

R= diameter ÷ 2

Step-by-step explanation:

the radius is half the diameter.

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3 years ago
The selling price of a refrigerator is $584. If the markup is 25% of the dealers cost, what is the dealer’s cost of the refriger
viva [34]

If you mark up 584 by 25%, you get 730. Therefore, the price of the refrigerator after the markup is $730.

5 0
3 years ago
F(x)=18x+11, find f(5)
Natalija [7]

Answer:

\boxed {\tt f(5)=101}

Step-by-step explanation:

We are given the function:

f(x)=18x+11

and asked to find f(5). Therefore, we must substitute 5 in for each x.

f(5)=18(5)+11

Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.

Multiply 18 and 5.

f(5)=90+11

Add 90 and 11.

f(5)=101

f(5) is equal to 101.

5 0
3 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
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