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4 years ago

How do you write 12 ten thousands, 8 thousands, 14 hundreds, 7 ones in standard form

Mathematics

1 answer:

kap26 [50]4 years ago

6 0

128,147 that is in standard form

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I need help with this

lana66690 [7]

16: 10(-9) +4 = -90 +4 = -86

17. 7^2 - 7 = 49-7 = 42

18. -9^2 - -9 = 81+9 = 90

19. 10(5) +4 = 54, 3*54 = 162

20. 3*5 = 15, 10(15) +4 = 154

6 0

3 years ago

Name a fraction that is equivalent to 1/2.

MissTica

Answer:

2/4

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

PLZZZ ANSWER!! Answers for points will be reported.

Lisa [10]

Answer:

272.6

Step-by-step explanation:

This is an isosceles triangle with base of 21 and sides of 28.

Area formula

A = 1/2bh

Find height:

h = $\sqrt{28^2 - (21/2)^2} = \sqrt{673.75} = 25.96$

Area:

A = 1/2(25.96)(21) = 272.6 (rounded)

7 0

3 years ago

Compare the two fractions. Use >, <, or =. 4/6 [ ] 6/10

chubhunter [2.5K]

$\dfrac{4}{6}=\dfrac{4\cdot5}{6\cdot5}=\dfrac{20}{30}\\\\\dfrac{6}{10}=\dfrac{6\cdot3}{10\cdot3}=\dfrac{18}{30}\\\\\dfrac{20}{30} > \dfrac{18}{30}\\\\therefore\ \dfrac{4}{6} > \dfrac{6}{10}$

4 0

3 years ago

A 99% confidence interval for the population mean yields the following results: [−3.79, 5.86]. At the 1% significance level, wha

loris [4]

Answer:

Decision rule: Do not reject $H_o$ ; we cannot conclude that the mean differs from zero

Step-by-step explanation:

From the given information:

The null hypothesis and alternative hypothesis is given as:

$H_o: \mu = 0 \\ \\ H_1 : \mu \ne 0$

And the 99% confidence interval for the population mean $\mu$ is: [−3.79, 5.86]

The significance level ∝ = 1 - 0.99 = 0.01

We will notice that the 99% confidence interval for the population mean $\mu$ contains the null hypothesis mean value which is equal to zero.

Thus, we do not reject the null hypothesis at the significance level ∝ = 0.01

∴

Decision rule: Do not reject $H_o$ ; we cannot conclude that the mean differs from zero

3 0

3 years ago