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Svetradugi [14.3K]
3 years ago
14

Can some one help please​

Mathematics
2 answers:
klio [65]3 years ago
6 0

Answer:

B

Step-by-step explanation:

____ [38]3 years ago
4 0

Answer:

3x+2y = r

Step-by-step explanation:

Well read HC VERMA there is detailed explanation in that book,

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Between an 8-pack of paper towels for $7.92 or a 12-pack for $11.64, the 8-pack would be cheaper. True or false.
Phantasy [73]

Answer:

false because the 12 pack is cheaper

Step-by-step explanation:

7.92 divided by 8= 0.99

11,64 divided by 12= 0.97

false because the 12 pack is cheaper

6 0
3 years ago
Read 2 more answers
The table shows information about the numbers of hours 30 children spent on their tablets one evening. a) find the class interva
Bogdan [553]

Answer:

a) 20<h≤30.

b) 26.17 hrs

Step-by-step explanation:

The missing table is shown in attachment.

Part a)

We need to find the class interval that contains the median.

The total frequency is

\sum \: f = 30

The median class corresponds to half

\frac{1}{2}  \sum \: f ^{th}  -  -  - value

That is the 15th value.

We start adding the frequency from the top obtain the least cumulative frequency greater or equal to 15.

2+8+9=19

This corresponds to the class interval 20<h≤30.

Adding from the bottom also gives the same result.

Therefore the median class is 20<h≤30.

b) Since this is a grouped data we use the midpoint to represent the class.

The median is given by :

\frac{\sum \: fx}{ \sum\: f}

=  \frac{5 \times 3 + 15\times 8 + 25 \times 9 + 35 \times 7 + 45 \times 4}{30}

=  \frac{785}{30}

= 26.17

8 0
2 years ago
Read 2 more answers
Determine the equation of a horizontal line that passes through (4,7)
professor190 [17]
Y=7 because there is no slope and the Y intercept is at 7.
5 0
3 years ago
Given: ABCD is a parallelogram and AC bisects BD.<br> Prove: AB is congruent to BC.
earnstyle [38]

Let's see

In ∆ABE and ∆CBE

  • BE=BE(Common side)
  • AE=EC[Diagonals of a parallelogram bisect each other]
  • <AEB=<BEC[90°]

So by

SAS congruence the triangles are congruent

AB=BC

  • Proved

Fact:-

It's already given AC is perpendicular to BD

  • It means diagonals are perpendicular to each other

According to general property of rhombus this parallelogram is also a rhombus.

So sides are equal hence AB =BC

3 0
1 year ago
What 2/9rounded to the nearest whole number
Arte-miy333 [17]
The answer is 3 because if you were to round 2.9 the next whole up from that is 3
4 0
3 years ago
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