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3 years ago

HELP! 7th grade math! GIVE CORRECT ANSWER AND YOU WILL GET BRAINLIEST!!

Mathematics

2 answers:

eimsori [14]3 years ago

8 0

Answer:

2nd choice

Step-By-Step Explanation:

lana [24]3 years ago

6 0

Answer:

the second choice

Step-by-step explanation:

if <A is equal to <e then <d and <b are equal becuase the angles dont change when you change the lengths of the lines

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For which value of Theta is tan Theta equal to sin Theta? A. pi B. pi/2 C. pi/4 D. pi/6

AnnyKZ [126]

Answer:

a. pi

Step-by-step explanation:

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3 years ago

Sales at a fast-food restaurant average $6,000 per day. The restaurant decided to introduce an advertising campaign to increase

Akimi4 [234]

Answer:

The value of the test statistic is 2.8.

Step-by-step explanation:

The test statistic is:

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value expected value for the population mean, $\sigma$ is the standard deviation and n is the size of the sample.

Sales at a fast-food restaurant average $6,000 per day

This means that $\mu = 6000$

Sample of 49

This means that $n = 49$

The sample showed average daily sales of $6,400.

This means that $X = 6400$

Population standard deviation is about $1,000.

This means that $\sigma = 1000$

The value of the test statistic is

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{6400 - 6000}{\frac{1000}{\sqrt{49}}}$

$z = 2.8$

The value of the test statistic is 2.8.

7 0

3 years ago

16.5÷10 = 1.65 Explain how you decided where to place the decimal

MariettaO [177]

Think about the question. In division, if you divide by 1, the number stays the same. If you divide by a larger number (like 10), the answer will get smaller. Therefore, you know to move the decimal to the left.

Here, there is one zero after the 1, so you move the decimal back one space. If it was divided by 100, the answer would be 0.165

3 0

3 years ago

Between which two consecutive whole numbers does 5 lie

MrRissso [65]

Your answer is 4 and 6

4 0

3 years ago

A farmhouse shelters 18 animals. Some are cows and some are chickens. Altogether there are 68 legs how many of each animal are t

NNADVOKAT [17]

Answer:

The number of cows in farmhouse shelter is 16

The number of chickens in farmhouse shelter is 2 .

Step-by-step explanation:

Total number of animals in farmhouse shelters = 18

Total number of legs of both animals = 68 legs

Let The number of cows = C

Let The number of chickens = c

∵ the number of legs does each cow has = 4

And, The number of legs does each chicken has = 2

According to question

∵Total number of animals in farmhouse shelters = 18

i.e number of cows + number of chickens = 18

Or, C + c = 18 .....1

Again

∵ Total number of legs of both animals = 68 legs

i.e number of cows × number of legs does each cow has + number of chickens × number of legs does each chicken has = 68

Or, C × 4 + c × 2 = 68

i.e 4 C + 2 c = 68 ........2

Solving eq 1 and eq 2 , we get

(4 C + 2 c ) - 2 × (C + c) = 68 - 2 × 18

Or, (4 C - 2 C) + (2 c - 2 c) = 68 - 36

Or, 2 C + 0 = 32

∴ C = $\dfrac{32}{2}$

i.e C = 16

So, The number of cows in farmhouse shelter = C = 16

Again

Put the value of C into eq 1

∵ C + c = 18

Or, c = 18 - C

Or, c = 18 - 16

i.e c = 2

So, The number of chickens in farmhouse shelter = c = 2

Hence, The number of cows in farmhouse shelter is 16 and The number of chickens in farmhouse shelter is 2 . Answer

7 0

3 years ago