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AURORKA [14]
3 years ago
12

B. Find, correct to two decimal places, thevalues of x for which 54 - 56+1) + 4 = 0.​

Mathematics
1 answer:
Alja [10]3 years ago
7 0

Answer:

3

Step-by-step explanation:

54-56+1+4

-2+1+4

-1+4

3

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So far, Keith has burned 604.3 calories. He wants to burn a total of 700 calories. How many more calories must Keith burn?
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So to do this you need to use subtraction to find it how many more calories he needs to burn 700. so you would do 700 - 604.3 to get an answer of 95.7! :)
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2 years ago
Start and arguement in the comments LOL
lys-0071 [83]

Answer:

Bro u need to shu.t up all ready

Step-by-step explanation:

7 0
3 years ago
• footballs – There are 8 footballs.
inna [77]

Answer:

8 futballs

basketballs 18

beisballs 36

softballs 24

Step-by-step explanation:

dos mas del doble (2) de balones de fut = 8x2 = 16, 16+2 = 18

cuatro menos de 5 veces las pelotas de fut = 8x5 = 40, 40-4 = 36

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7 0
2 years ago
A batch of 40 semiconductor chips is inspected by choosing a sample of 5 chips. Assume 10 of the chips do not conform to custome
butalik [34]

Answer:

a) 658008 samples

b) 274050 samples

c) 515502 samples

Step-by-step explanation:

a) How many ways sample of 5 each can be selected from 40 is just a combination problem since the order of selection isn't important.

So, the number of samples = ⁴⁰C₅ = 658008 samples

b) How many samples of 5 contain exactly one nonconforming chip?

There are 10 nonconforming chips in the batch, and 1 nonconforming chip for the sample of 5 be picked from ten in the following number of ways

¹⁰C₁ = 10 ways

then the remaining 4 conforming chips in a sample of 5 can be picked from the remaining 30 total conforming chips in the following number of ways

³⁰C₄ = 27405 ways

So, total number of samples containing exactly 1 nonconforming chip in a sample of 5 = 10 × 27405 = 274050 samples

c) How many samples of 5 contain at least one nonconforming chip?

The number of samples of 5 that contain at least one nonconforming chip = (Total number of samples) - (Number of samples with no nonconforming chip in them)

Number of samples with no nonconforming chip in them = ³⁰C₅ = 142506 samples

Total number of samples = 658008

The number of samples of 5 that contain at least one nonconforming chip = 658008 - 142506 = 515502 samples

6 0
3 years ago
On the coordinate plane, point P is located at (3, y) and point Q is located at (1, -4). The distance between
Ivan

Answer:

y = 23, -31

Step-by-step explanation

ttyl

6 0
3 years ago
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