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3 years ago

4×3-(2×3-16÷4) the answer with work

Mathematics

2 answers:

Elena-2011 [213]3 years ago

4 0

This is what I got as my answer hope it helps!

Reika [66]3 years ago

3 0

Answer:

Step-by-step explanation:

2x3=6

16/4=4

4x3-(6-4)

6-4=2

4x3-(2)

4x3=12

12-(2)

12-2=10

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a term in an arithmetic sequence is 488. the first term of the sequence is 7 and the common difference is 13. find the term numb

lisabon 2012 [21]

Answer: the term number is 38

Step-by-step explanation:

Let the number of the term be x

The value of the xth term = 488

In an arithmetic sequence, the terms differ by a common difference, d. This means that the difference between two consecutive terms, d is constant.

The formula for the nth term is

Tn = a + (n-1)d

Where

Tn = the nth term of the arithmetic sequence

a = the first term of the arithmetic sequence.

d = common difference.

From the information given,

a = 7

d = 13

We are looking for the xth term.

Tx = 488 = 7 + (x-1)13

488 = 7 + 13x - 13

Collecting like terms on the left hand side and right hand side of the equation,

13x = 488 -7 + 13

13x = 494

x = 38

The value of the 38th term is 488.

5 0

4 years ago

A video screen is 16 in. by 12 in. tall. What is the width of the largest complete image possible for a photograph that is 8 in.

Leni [432]

16 inches, and 10 inches tall.

So because, they are asking the largest image for the photograph,
so 8 * 2 = 16
and 10 * 2 = 20 but 20 can't go into 12.

So the answer?
16 inches and 10 inches tall.

7 0

4 years ago

Read 2 more answers

Giving brainless and maybe free art! I need the answer asap

lianna [129]

Answer:

250 readers

Step-by-step explanation:

1. 4% = 10

2. 100% = 250

a. 4% x 25 = %100

b. 10 x 25 = 250

I hope this helps!

7 0

3 years ago

Read 2 more answers

In a parallelogram PQRS, if angle P = (2x+25) degrees and angle Q = (3x-5) degrees, then write the measures of angle S and angle

krek1111 [17]

Consecutive angles of a parallelogram are supplementary, so:

$2x+25+3x-5=180\\5x+20=180\\5x=160\\x=32$

This means $m\angle P=2(32)+25=89^{\circ}$ and that $m\angle Q=3(32)-5=91^{\circ}$ .

Since opposite angles of a parallelogram are congruent,

$\boxed{m\angle S=91^{\circ}, m \angle R=89^{\circ}}$

6 0

2 years ago

According to a study done by Otago University, the probability a randomly selected individual will not cover his or her mouth wh

nirvana33 [79]

Answer:

47.52% probability that among 10 randomly observed individuals fewer than 3 do not cover their mouth

Step-by-step explanation:

For each individual, there are only two possible outcomes. Either they cover their mouth when sneezing, or they do not. The probability of an individual covering their mouth when sneezing is independent of other individuals. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

According to a study done by Otago University, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267.

This means that $p = 0.267$