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3 years ago

Write two ratios that are equivalent to 1:1

Mathematics

1 answer:

Nikolay [14]3 years ago

7 0

10:10
11:11
Those are 2 ratios that are correct

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John sold one more than twice as many candy bars as Linda sold. If together they sold 43 candy bars, how many did John sell?

finlep [7]

Answer:

Step-by-step explanation:

Linda sold 14

John sold 29 which is 14 two times plus one

29+14=43

5 0

3 years ago

A hypothesis will be used to test that a population mean equals 10 against the alternative that the population mean is more than

PilotLPTM [1.2K]

Answer:

A) 2.58

B) 1.96

C) 1.65

Step-by-step explanation:

A hypothesis used to test that

$H_o : \mu = 10$

against the alternatives $H1 : \mu$ not equal to 10

if null hypothesis is true, then distribution of test statics follow

$Zo = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}$

for two sided alternatives hypothesis $( H1: \mu \neq 7)$ , then P value is

$P = 2[1- \phi(\left | Zc \right |)]$ (1)

a)significance level $\alpha = 0.01$

from 1 eq we get

$\pi (\left | Zc \right |) = P(Zo$

Therefore $\left | Zc \right | = 2.58$ FROM Z TABLE

B) significance level $\alpha = 0.05$

from 1st equation we get

$\pi (\left | Zc \right |) = P(Zo < \left | Zc \right |) = 1 - \frac{0.05}{2} = 0.975$

Therefore $\left | Zc \right | = 1.96$ FROM Z TABLE

C) significance level $\alpha = 0.10$

from 1 eq we get

$\pi (\left | Zc \right |) = P(Zo$

Therefore $\left | Zc \right | = 1.65$ FROM Z TABLE

3 0

4 years ago

(nearest cent) $2.045 - $1.09

GaryK [48]

The answer should be $0.955

5 0

3 years ago

What is the number pattern for 7 12 17 22

padilas [110]

<h2>Answer: If you look at the first two, you will be able to notice that their difference is 5. Same goes for the next number in the sequence.</h2><h2 />

Step-by-step explanation:

6 0

4 years ago

Read 2 more answers

Solve for x, rounding to the nearest hundredth.

VARVARA [1.3K]

$\sf\huge{Answer :-}$

$\implies\sf{ {2}^{4x} = 78 } \\ \implies\sf{ ({2}^{4})^{x} = 78 } \\ \implies\sf{ {16}^{x} = 78 } \\ \: \: \: \: \: \: \: \: \: \: \: \implies\sf{ x = log_{16}(78) } \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \implies\sf{x = 1.5713505547\: } \\\implies\sf{x = 1.57}$

5 0

2 years ago