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3 years ago

Help plzz will mark brainleast

Mathematics

1 answer:

alex41 [277]3 years ago

7 0

Answer:

rectangular prism

Step-by-step explanation:

maybeeee

sorry if it wrong :l

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What is (-47/10)-(53/10) is it -3/5 or -10 the calculator says -10 I say -3/5

Rainbow [258]

$-\frac{47}{10}-\frac{53}{10}=\\
-\frac{100}{10}=\\
-10$

4 0

3 years ago

Read 2 more answers

Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the population mean. Jus

vichka [17]

Answer:

(25.732,30.868)

Step-by-step explanation:

Given that in a random sample of 42 people, the mean body mass index (BMI) was 28.3 and the standard deviation was 6.09.

Since only sample std deviation is known we can use only t distribution

Std error = $\frac{s}{\sqrt{n} } =\frac{6.09}{\sqrt{42} } \\=0.9397$

$df = 42-1 =41$

t critical for 99% two tailed $= 2.733$

Margin of error $= 2.733*0.9397=2.568$

Confidence interval lower bound = $28.3-2.568=25.732$

Upper bound = $28.3+2.568=30.868$

3 0

3 years ago

Help I will Give Brainliest if Correct!

Leni [432]

Answer:

8.5 units

Step-by-step explanation:

(-1, 1) squared + (7,4) squared = formula

Distance 8.5 is rounded to the nearest 10

7 0

3 years ago

Please answer quickly due in 5 MINUTES WILL MARK BRAINLIEST

AnnyKZ [126]

Crosssection= 1.7mx2=3.4
2x3=6x3=18

3.4+18=21.4

4 0

3 years ago

PLEASE HELP?

AlekseyPX

I think you forgot to give the diagram along with the question. I am answering the question based on my research and knowledge. "x = 7, y = 9" is the one among the following choices given in the question that gives the value of "x" and "y". The correct option among all the options that are given in the question is the third option or option "C".

6 0

3 years ago