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larisa86 [58]
3 years ago
5

The weight of an object on a particular scale is 142.2 lbs the measured weight may vary from the actual weight by at most 0.3 lb

s. what is the range of actual weights of the object
Mathematics
1 answer:
algol133 years ago
3 0

Answer:

144.9 <= x <= 145.5

Step-by-step explanation:

145.2 + 3 = 145.5

145.2 - 3 = 144.9

144.9 <= x <= 145.5

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3. If the circumference of a circle is 44 m, find its area.<br><img src="https://tex.z-dn.net/?f=%5Cpi" id="TexFormula1" title="
Natali5045456 [20]

Answer:

\huge\blue{ \mid{ \underline{ \overline{ \tt  ♡ ANSWER : ♡ }} \mid}}

Circumference of the circle = 44 m

Circumference Formula = 2πr

Let's take the radius as 'r' m.

Radius (r) =

2πr = 44 \\ 2 × 3.14 × r = 44 \\ r = 44/6.28 \\ r  = 7 \: m.

Area of the circle = πr²

=  3.14 × 7² \\ = 153.86 \: m ^{2}

=> Area of the circle = <u>153.86 m² = 154 m² (approx.)</u>

8 0
3 years ago
There is a snowstorm in a certain town. In 30 minutes, 78 in. of snow falls. It continues at the same rate for a total of 2 h. W
sergeinik [125]

Answer:

B i think

Step-by-step explanation:,

5 0
3 years ago
Read 2 more answers
Which diagram best represents the following expression?<br> 2(n - 1) + 1
joja [24]
<h2>Explanation:</h2>

Here we have the following expression:

2(n - 1) + 1

So we can rewrite this as follows:

a_{n}=2(n - 1) + 1

So this is an arithmetic series whose general form is given by:

a_{n} = a + d(n-1)

Where:

a: \text{is the first term} \\ \\ d: \text{is the difference between the terms, also called "common difference"}

So, for some n-values we have:

a=1 \\ \\ a_{2}=2(2-1)+1=3 \\ \\ a_{3}=2(3-1)+1=5 \\ \\ a_{4}=2(4-1)+1=7 \\ \\ a_{5}=2(5-1)+1=9

From this information, the diagram that best represents the given expression is shown below.

6 0
3 years ago
Margaret has a monthly clothes budget of 50 she maps the Amy of money she spends each month to the number of items of clothing s
Scorpion4ik [409]

It is said that the graph plotted is the money spent to the number of items of clothing bought.

It will look like this:

The domain by definition is the set of inputs.

The constraint on the domain here is the monthly spending cannot be greater than $50.

So the domain will be [0,50] in dollars on the x-axis.

4 0
1 year ago
3a-5b:3a+5b=1:4 find the value of a and b
GarryVolchara [31]

Answer:

a = 5/6 , b = -3/10

Step-by-step explanation:

3a-5b:3a+5b=1:4

3a-5b / 3a +5b = 1/4

Cross multiply

3a -5b =4 ..........(1)            solve simultaneously

3a + 5b = 1 ..........(2)    using elimination method

-----------------------

Add equation 1 and 2

6a = 5

Divide both sides by 6

6a/6 = 5/6

a =5/6

Put value of a into equation 2

3a +5b = 1

3(5/6) + 5b = 1

5/2 + 5b = 1

5b = 1 -  5/2

5b = - 1½

5b = - 3/2

Divide both sides by 5

5b/ 5 = -3/2 ÷ 5

b = -3/2 × ¹/5

b = - 3/10

Therefore a = 5/6 , b = -3/10

I hope this was helpful, Please mark as brainliest  

7 0
3 years ago
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