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makkiz [27]
3 years ago
7

Given A = 1 /2 (b1 + b2)h, solve for h.

Mathematics
1 answer:
Tatiana [17]3 years ago
6 0

Answer: b: h=2a/b1+b2

Step-by-step explanation:

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What is the reciprocal of 9/2 and of 4/7 !pleasssee
Kitty [74]

Answer:

2/9 and 7/4(or 1  3/4)

Step-by-step explanation:

A reciprocal is just the original  number flipped.

6 0
3 years ago
A relay team of 4 people runs 3 miles.If each person runs the same distance,How many miles does each person run?
Len [333]
Well first you have to divide 3 by 4, which is 0.75 or 3/4
6 0
3 years ago
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The decimal number 11.8 can be read as "eleven and eight tens."<br><br><br> True or False
Semmy [17]
I mean it could be read that way but that's the way most people read fractions. 11 and 8/10. Most people I know read decimals like that as 11 point 8. So yes I suppose it's true; it's not wrong, but most people don't say it like that. And I don't know how they taught you to read it in your math course.
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3 years ago
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Two consecutive positive integers have a product of 110. What are the integers
White raven [17]
That are 10 and 11
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8 0
3 years ago
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A company that produces dog food claims that its bags contain 11 kg of food. From
andriy [413]

By testing the hypothesis we can conclude that the bag does not contain 11 kg of food.

Given mean of 10.6 kg, population standard deviation of 0.6 and sample size of 25.

We are required to find whether the company is right in saying that their bags contain 11 kg of food.

First we have to make hypothesis.

H_{0}:μ≠11

H_{1}:μ=11

We have to use t statistic because the sample size is less than 30.

t=(X-μ)/s/\sqrt{n}

We will use s/\sqrt{n}=0.6 because we have already given population standard deviation of weights.

t=(11-10.6)/0.6

=0.4/0.6

=0.667

Degree of freedom=n-1

=25-1

=24

T critical at 0.05 with degree of freedom 24=2.0639

T critical at 0.05 with degree of freedom is greater than calculated t so we will accept the null hypothesis.It concludes that the bags donot contain 11 kg of food.

Hence by testing the hypothesis we can conclude that the bag does not contain 11 kg of food.

Learn more about t test at brainly.com/question/6589776

#SPJ1

3 0
2 years ago
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