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GuDViN [60]
2 years ago
11

Solve this plz class 9

Mathematics
1 answer:
kupik [55]2 years ago
5 0

which no questions bro.

Step-by-step explanation:

plz give me the questions

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B) The perimeter of the shape is 25.71 cm
natita [175]

Answer:

r=4cm

Step-by-step explanation:

Having the radius to be involved, the shape is a circle.

<u>Circumference formula </u>

c=2\pi r

Finding radius, formula will be reversed.

r=\frac{25.72cm}{2\pi }

r=\frac{25.71cm}{2(3.142)}            r=\frac{25.71cm}{6.284}          r=4.09cm

4 0
3 years ago
given the two points (-24,7) and (30,25) a. What is an equation passing through the points? b. Is (51, 33) also on the same line
kicyunya [14]
Part 1) <span>Given the two points (-24,7) and (30,25) a. What is an equation passing through the points?

step 1
find the slope m
m=(y2-y1)/(x2-x1)----></span>m=(25-7)/(30+24)----> m=18/54----> m=1/3

step 2
wit m=1/3 and the point (30,25)
find the equation of the line
y-y1=m*(x-x1)-----> y-25=(1/3)*(x-30)--->y=(1/3)*x-10+25
y=(1/3)*x+15

the answer Part 1) is
y=(1/3)*x+15

Part 2) <span>Is (51, 33) also on the same line?
</span>if the point (51.33) is on the line y=(1/3)*x+15
then
for x=51 the value of y must be 33
for x=51
y=(1/3)*51+15----> y=17+15----> y=32
32 is not 33 
so
<span>the point does not belong to the given line
</span>
the answer Part 2) is
the point does not belong to the given line

see the attached figure

7 0
3 years ago
The pay, P, at a certain job is calculated by the formula P=Bh, where b is the base pay and h is the number of hours worked. if
Alexxx [7]
If you would like to know the Tom's pay for the week, you can calculate this using the following steps:

P = B * h
P ... the pay
B ... the base pay
h ... the number of hours worked

B = $6.35
h = 28 hours
P = B * h = $6.35 * 28 hours = $177.8

<span>Tom's pay for the week would be $177.8.</span>
5 0
4 years ago
The ______ of the data is 10-41
Ksju [112]
Range? that's a possibility
7 0
3 years ago
Read 2 more answers
A teacher is making a history test composed of the same number of multiple-choice questions as short-answer questions. She estim
STALIN [3.7K]

Answer:

The inequality is 5.5n \leq 45

Step-by-step explanation:

Total time:

The total time to complete the test is the sum of the number of multiple-choice questions multiplied by the time it takes to solve each and the number of short-answer questions multiply by the time it takes to solve each.

In this question:

Same number(n) of both.

Multiple-choice takes 2 minutes, short-answer takes 3.5 minutes. The total time is given by:

T = 2n + 3.5n = 5.5n

Write an inequality to determine how many questions, n, the teacher can include if the test must take students less than 45 minutes to complete.?

This means that:

T \leq 45

So

5.5n \leq 45

The inequality is 5.5n \leq 45

5 0
3 years ago
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