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OLEGan [10]
3 years ago
10

Find the equation of the line shown.

Mathematics
1 answer:
kirill [66]3 years ago
7 0

Answer:

.

Step-by-step explanation:

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Can you do question c for me?
Sveta_85 [38]

Answer:

28.2

Step-by-step explanation:

91 × 18 = 1638

1638 ÷ 58 = 28.2413793103

rounded to 1 significant figure = 28.2 as 4 rounds down

hope this helps

7 0
2 years ago
The histogram presents the compressive strengths of a sample of concrete blocks hardened for 28 days.
dusya [7]

Answer:

The question is not complete but I have uploaded the image to complete the question.

The missing rectangle has a relative frequency of 0.15, and this is the same as the height.

Step-by-step explanation:

Let us define what a frequency and relative frequency are

The frequency of a datum is the number of times a given item (datum) appears in the data set.

While the relative frequency is the fraction or proportion of times taken from the whole in which an item/datum occurs.

So, from the image I uploaded, the relative frequency column represents the height of the histogram. Let the height of the missing rectangle be <em>x.</em>

Therefore the heights of the rectangles written from left to right are 0.05, 0.1, 0.15, <em>x, </em>0.25, 0.2, and 0.1.

From the definition of relative frequency, the total sum of relative frequency is 1, if represented as decimals or fractions it can either be expressed in percentage, or decimal (fractions). In this question, it is represented in decimal, and the sum of all the relative frequency is 1.

0.05 + 0.1 + 0.15 + <em>x </em>+ 0.25 + 0.2 + 0.1 = 1 ;

0.85+ <em>x </em>=1

Therefore, <em>x </em>= 1 - 0.85= 0.15

3 0
3 years ago
A parrot is selling for 40% off the original price. the original price was $90.what is these price of the parrot
BigorU [14]
40 percent off of $90 is $36.

8 0
3 years ago
Joe and Mark wash and wax cars on the weekend. On each car, they spend $1.50 on soap, $3.00 on wax, and $1.25 on wheel &amp; tir
Gre4nikov [31]
Their total expenses are ...
.. $1.50 +3.00 +1.25 = $5.75

Their profit is the difference between their charge and their cost:
.. $25.00 -5.75 = $19.25

The correct choice is ...
B) $19.25
3 0
3 years ago
Read 2 more answers
In a hostel, 80 students have food enough for 45 days. How many students should leave the hostel so that the food is enough for
Aleonysh [2.5K]
Say that taking a quarter of student out of the group will add a quarter present of days for food so by take 20 students out you’ll get 60 days (that’s what I got hope this helps)
4 0
2 years ago
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