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3 years ago

First question!!! Very simple but I don’t get it. WORTH 25 PTS

Mathematics

2 answers:

nexus9112 [7]3 years ago

6 0

Answer:

$\boxed{\sf m\angle RSV = {42}^{ \circ}}$

Given:

$\sf m\angle RST = 114^{\circ} \\ \\ \sf m\angle VST = 72^{\circ}$

To Find:

$\sf m\angle RSV$

Step-by-step explanation:

$\sf \implies m\angle RST = m\angle RSV + m\angle VST \\ \\ \sf \implies m\angle RSV = m\angle RST - m\angle VST \\ \\ \sf \implies m\angle RSV = {114}^{ \circ} - {72}^{ \circ} \\ \\ \sf \implies m\angle RSV = {42}^{ \circ}$

erica [24]3 years ago

4 0

Answer:

if the bottom the RST equals 114 you judt need to subtract 114 from 72 and you get 42 :) sorry if it wrong

Step-by-step explanation:

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Step-by-step explanations:

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3 years ago

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Irina18 [472]

Answer:

Step-by-step explanation:

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3 years ago

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Nesterboy [21]

Answer:

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2 years ago

Harsh is part of a school cricket team, and this year he has scored and average of 46 runs. He has played 5 innings so far and h

Nataly [62]

Answer: 45

Step-by-step explanation:

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7 0

3 years ago

Read 2 more answers

A researcher obtained M = 27 for a sample of n = 36 scores selected from a population with µ = 30 and σ = 18. This sample mean c

dusya [7]

Answer:

True

Step-by-step explanation:

Given that:

M = 27, sample of n = 36 scores, µ = 30 and σ = 18.

The z score is used in statistics to determine by how many standard deviations the raw score is above or below the mean. If the z score is positive, the raw score is greater than the mean and if the z score is negative the raw score is less than the mean. The z score is given as:

$z=\frac{x-\mu}{\sigma}$

Given that M = 27, this means that x = 27. Therefore:

$z=\frac{x-\mu}{\sigma}\\\\for \ a\ sample\ size(n):z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\z=\frac{27-30}{18/\sqrt{36} } =\frac{-3}{3}=-1$

This sample mean corresponds to a z-score of z = –1.00.

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3 years ago