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ohaa [14]
3 years ago
7

Please help

Mathematics
2 answers:
Gala2k [10]3 years ago
6 0

Answer:

50

Step-by-step explanation:

There is 180 degrees in a triangle.

65 + 65 = 130

180 - 130 = 50

velikii [3]3 years ago
5 0
50
65+65=130
180-130=50
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An ice cream shop has a sign in their window that says, "We sell 12,000 scoops per month." The number of scoops has been rounded
dsp73

Answer:

B - 12,111

C - 11,589

Step-by-step explanation:

Here are the options

A - 10, 999

B - 12,111

C - 11,589

In order to round off to the nearest thousand, look at the hundred figure, if the number is greater or equal to 5, add 1 to the thousand figure. If this is not the case, add zero. Replace all the figures before the thousand figure with zero. i.e. the hundred ten, unit

Rounding off 10,999 to the nearest thousand is 11,000

the hundred figure is greater than 5, so one is added to the thousand figure. The

Rounding off 12,111 to the nearest thousand is 12,000

the hundred figure is less than 5, so zero is added to the thousand figure.

Rounding off 11,589 to the nearest thousand is 12,000

the hundred figure is equal to 5, so one is added to the thousand figure.

6 0
3 years ago
5x + 20 = -5x What does "x" equal?
True [87]
<span>5x + 20 = -5x
5x + 5x = -20
10x = -20
x = -20/10
x = -2</span>
7 0
3 years ago
Read 2 more answers
A photograph of sides 35cm by 22cm is mounted onto a
trapecia [35]
<h3>Answer:  580 square cm</h3>

===================================================

Work Shown:

A = area of smaller rectangle

A = length*width

A = 35*22

A = 770

B = area of larger rectangle

B = length*width

B = 45*30

B = 1350

C = area of the border only

C = B - A

C = 1350-770

C = 580 square cm

7 0
3 years ago
Read 2 more answers
In a recent year, grade 8 Washington State public school students taking a mathematics assessment test had a mean score of 281 w
sweet-ann [11.9K]

Answer:

The probability that the mean test score is greater than 290

P(X⁻ > 290 ) = 0.0217

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Mean of the Population (μ) = 281

Standard deviation of the Population = 34.4

Let 'X' be a random variable in Normal distribution

Given X = 290

Z = \frac{x -mean}{\frac{S.D}{\sqrt{n} } } = \frac{290-281}{4.44} = 2.027

<u><em>Step(ii):-</em></u>

<em> The probability that the mean test score is greater than 290</em>

P(X⁻ > 290 ) = P( Z > 2.027)

                    = 0.5 - A ( 2.027)

                   = 0.5 - 0.4783

                   = 0.0217

The probability that the mean test score is greater than 290

P(X⁻ > 290 ) = 0.0217

6 0
3 years ago
Pls help I’ve been stuck on this for a while
White raven [17]

Answer:

Maybe 60

Step-by-step explanation:

I don't know just please guess sorry but can you mark as brainiest.

7 0
3 years ago
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