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tester [92]
2 years ago
11

What are 3 number sentences that equals 1?

Mathematics
1 answer:
wolverine [178]2 years ago
6 0

Answer:

.25 X 4 = 1

.50 X 2 = 1

.10 X 10 = 1

Step-by-step explanation:

:)

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Please help I will mark brainliest if right
o-na [289]

Answer:

3

x

+

3

=

24

x

2

−

10

x

≤

−

9

−

2.5

x

+

5

=

3

Step-by-step explanation:

3 0
3 years ago
A publishing company claims that in fall 2019, the average price of college textbooks for a single semester is $385. Suppose you
hram777 [196]

Answer:

We accept H₀ . We don´t have enough evidence to express the publisher claim is not true

Step by Step explanation:

We must evaluate if the mean of the price of college textbooks is different from the value claimed by the publisher

n < 30 then we must use t - distrbution

degree of freedom   n  - 1     df = 22 - 1     df = 21

As the question mentions " different " that means,  a two-tail test

At 0,01 significance level     α  = 0,01       α/2  =  0,005

and t(c)  = 2,831

Test Hypothesis

Null Hypothesis                      H₀          μ  =  μ₀

Alternative hypothesis           Hₐ          μ  ≠  μ₀

To calculate t(s)

t(s)  =  (  μ  -  μ₀ ) /σ/√n

t(s)  =  (  433,50 - 385 ) / 86,92 / √22

t(s)  =  2,6171

Comparing   t(c)   and t(s)

t(s) < t(c)

Then  t(s) is in the acceptance region we accept H₀. We don´t have enough evidence to claim that mean price differs from publisher claim

6 0
3 years ago
Two points that are on the same line are called what?
BartSMP [9]

Answer:

That would be B Collinear

8 0
3 years ago
Read 2 more answers
Kim worked these hours last week: Monday 8, Tuesday 7.5, Wednesday 6.5, Thursday 3, and Friday 9 hours. She is paid $20.25 per h
nevsk [136]
A)Total hours she worked =8+7.5+6.5+3+9= 34 hours
b)Amount she was paid= 34 hours x $20.25= 688.50
She was paid $688.50
4 0
2 years ago
How can I learn how to divide quickly?
lorasvet [3.4K]
Hello

Do many question of divide and do solved examples of division. After solving a lot of questions you will have self confidence and then you can solve questions.

start from low level questions and then do high level questions of division .








Hope It Helps You. ^_^
.
8 0
3 years ago
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