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borishaifa [10]
2 years ago
13

Find the value of the expression b + 1 + c + 6 for b = 4 and c = 9.

Mathematics
2 answers:
bearhunter [10]2 years ago
7 0
The answer is 20 because you are adding 4 + 1 + 9 + 6= 20
padilas [110]2 years ago
3 0
Answer is 20 the first guy or girl deserved the brainiest
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lukranit [14]

Answer:

length = 5

width = 9

Step-by-step explanation:

V = lwh

let 'x' = length

let '4+x' = width

9 = height

405 = 9x(4+x)

405 = 36x + 9x²

this is a quadratic equation:  9x² + 36x - 405 = 0

factor out a 9 to get:

9(x² + 4x - 45) = 0

9(x-5)(x+9) = 0

one root is 5 and the other is -9

since distance cannot be negative we use 5 as the length and 9 is the width

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2 years ago
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Ghella [55]

Answer:

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The alternative hypothesis would be: p < 0.7

Step-by-step explanation:

The null hypothesis is most of the time always the default statement while the alternative hypothesis is tested against the null and is its opposite.

In this case study the null hypothesis would be: the proportion of men who own cats is 70%: p = 0.7

The alternative hypothesis would be: the proportion of men who own cats is smaller than 70% : p < 0.7

3 0
3 years ago
What is the missing statement in step 3 of the proof? mAngle1 = mAngle2 mAngle1 + mAngle2 = 90° mAngle2 = mAngle3 mAngle2 + mAng
zalisa [80]

Answer:

answer is 90

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then, 90+90=180

Step-by-step explanation:

8 0
3 years ago
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lora16 [44]

Answer:

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Step-by-step explanation:

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Step 2: add this value to the the integer part: 3 + 0.71 = 3.71. So,

3 71/100 = 3.71

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2 years ago
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Answer:

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Step-by-step explanation:

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