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zmey [24]
3 years ago
14

S over 4= -3.2 find the value of s

Mathematics
2 answers:
ryzh [129]3 years ago
7 0

Answer:

s = - 12.8

Step-by-step explanation:

Given

\frac{s}{4} = - 3.2 ( multiply both sides by 4 to clear the fraction )

s = 4 × - 3.2 = - 12.8

dmitriy555 [2]3 years ago
3 0

Answer:

s = -12.8

Step-by-step explanation:

1. First we need to simplify both sides of the equation.

1/4s = -3.2

2. Now we need to multiply both sides by 4.

4 × ( 1/4s ) = ( 4 ) × ( −3.2 )

s = −12.8

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-7/10+7/15+1/-20+-9/10+11/15+11/-20 <br> what is the answer please help me .....!!!!
Nat2105 [25]

Answer:

-1

Step-by-step explanation:

-7/10+7/15+1/-20+-9/10+11/15+11/-20

= -7/10 + -9/10 + 7/15 + 11/15 + 1/-20 + 11/-20

= -16/10 + 18/15 + 12/-20

= -8/5 + 6/5 + -3/5

= (-8+6-3)/5

= -5/5

= -1

7 0
3 years ago
What is 4.345 x 10^5 in standard form?
zalisa [80]

Answer:

Choice D.)   434,500

Step-by-step explanation:

What is 4.345 x 10^5 in standard form?

4.345 x 10^5 = 4.345 *  100,000

multiply it out:

4.345 x 10^5 = 434,500

3 0
3 years ago
the Wall Street Journal reported that automobile crashes cost United States $162 billion annually. The average cost per person f
Tanya [424]

Answer:

a) Margin of error = 166.311

b) sample size ≥ 62

Step-by-step explanation:

Given:

Average cost = $1599

Sample size = 50 persons

Standard deviation = $600

Confidence level is 95%

a) Margin of error = z\frac{\sigma}{\sqrt{n}}

Now for confidence level of 95% z-value = 1.96

Thus,

Margin of error = 1.96\frac{600}{\sqrt{50}}

or

Margin of error = 166.311

b) For Margin of error ≤ 150

z\frac{\sigma}{\sqrt{n}} ≤ 150

or

1.96\frac{600}{\sqrt{n}} ≤ 150

or

1.96\frac{600}{150} ≤ √n

or

√n ≥ 7.84

or

n ≥ 61.4656

Therefore,

sample size ≥ 62

6 0
3 years ago
Factor the following binomial using the difference of squares?<br> (49x^2 – 9)
Elis [28]
I think the answer is (7x-3)(7x+3)
3 0
3 years ago
If the diameter of a circle is 14cm What is the measure of its circumference ? find it ​
Brums [2.3K]

Answer:

Solution\\diameter(d)=14cm\\Now, \\Circumference=\pi d\\                         =3.14*14cm\\                         =43.96cm

Step-by-step explanation:

Hope it will help you a lot.

3 0
2 years ago
Read 2 more answers
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