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3 years ago

The digit which has a value of tenth in 35.427 is

Mathematics

1 answer:

inna [77]3 years ago

8 0

Answer:

Step-by-step explanation:

35.427 the tens place is after 35. and four is there, so 4 is in the tenths place

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Help asap show work

katovenus [111]

Answer: see below

Step-by-step explanation:

17) 5n - 3 > -2n + 4 and 9 - 4n ≥ -2n + 1

+2n +2n +2n +2n

7n - 3 > 4 9 - 2n ≥ 1

+3 +3 -9 -9

7n > 7 -2n ≥ -8

÷7 ÷7 ÷ -2 ↓ ÷ -2

n > 1 and n ≤ 4

Graph: o----------------- ·

1 4

18) 9k - 2 ≤ 9 + 10k < 9 - 4k

9k - 2 ≤ 9 + 10k and 9 + 10k < 9 - 4k

-10k -10k +4k +4k

-k - 2 ≤ 9 9 + 14k < 9

+2 +2 -9 -9

-k ≤ 11 14k < 0

÷ -1 ↓ ÷ -1 ÷14 ÷14

k ≥ -11 and k < 0

Graph: · -----------------o

-11 0

19) 4 - n ≤ 10 + 5n ≤ 6n + 1

4 - n ≤ 10 + 5n and 10 + 5n ≤ 6n + 1

-5n -5n -6n -6n

4 - 6n ≤ 10 10 - n ≤ 1

-4 -4 -10 -10

-6n ≤ 6 -n ≤ -9

÷ -6 ↓ ÷ -6 ÷ -1 ↓ ÷ -1

n ≥ -1 and n ≥ 9

Graph: · -----------------→

-9

20) 4p - 5 ≤ 2p + 9 ≤ 4p + 7

4p - 5 ≤ 2p + 9 and 2p + 9 ≤ 4p + 7

-2p -2p -4p -4p

2p - 5 ≤ 9 -2p + 9 ≤ 7

+5 +5 -9 -9

2p ≤ 14 -2p ≤ -2

÷ 2 ÷ 2 ÷ -2 ↓ ÷ -2

p ≤ 7 and p ≥ 1

Graph: · ----------------- ·

1 7

6 0

3 years ago

Workout and simplify

Step2247 [10]

Answer:

a) ⅖+⅓ = 6/15 + 5/15 = 11/15

b) 5/9 - 1/2 = 10/18 - 9/18 = 1/18

7 0

3 years ago

Read 2 more answers

Y varies directly as x. If x = 15 when y = 20, find x when y = 30.

Goryan [66]

Answer:

22.5

Step-by-step explanation:

y=kx

20=k15

k=1•33

30=1•33x

x=22•5

5 0

3 years ago

If a student randomly guesses at 20 multiple-choice questions, find the probability that the student gets exactly four correct.

ad-work [718]

Answer:

Probability = 0.190

Step-by-step explanation:

Given:

Number of questions, 'n' = 20

Each question has four choices.

Let event of choosing correct answer be success and its probability be represented by 'p'.

Therefore, event of choosing wrong answer is failure and its probability be represented by 'q'.

Now, probability of success is choosing one correct answer out of 4 options. So, $p=\frac{1}{4}=0.25$

Now, 'p' and 'q' are complements of each other. Therefore,

$q=1-p=1-0.25=0.75$

Now, we need 4 successes. Therefore, $x=4$

Using Bernoulli's theorem to find 'x' successes from 'n' questions, we get:

$P(x)=_{x}^{n}\textrm{C}p^xq^{n-x}$

Plug in 4 for 'x', 20 for 'n', 0.25 for 'p' and 0.75 for 'q'. Solve.

$P(4)=_{4}^{20}\textrm{C}(0.25)^4(0.75)^{20-4}\\P(4)=_{4}^{20}\textrm{C}(0.25)^4(0.75)^{16}\\P(4)=4845\times (0.25)^4\times (0.65)^{16}\\\\P(4)=0.1896\approx0.190$

Therefore, the probability of getting 4 correct answers out of 20 questions is 0.190.

6 0

3 years ago

So llike a lil bit of help here?????

dimulka [17.4K]

Answer:

they saved the same amount of money each month

Step-by-step explanation:

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3 years ago