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3 years ago

What is the difference? Express your answer in lowest terms. 3/8 + 5/16 =

Mathematics

2 answers:

tekilochka [14]3 years ago

8 0

6/16+5/16= 11/16 since you need common denominators

Hitman42 [59]3 years ago

4 0

The answer is .6875 i hoped this helped you

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3 years ago

Does your equation represent a proportional<br>relationship? Explain.

ivolga24 [154]

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3 years ago

Use the given information to find the P-value. Also, use a 0.05 significance level and state the conclusion about the null hypot

Nina [5.8K]

Answer: a. 0.1031; fail to reject the null hypothesis

Step-by-step explanation:

Given: Significance level : $\alpha=0.05$

The test statistic in a two-tailed test is z = -1.63.

The P-value for two-tailed test : $2P(Z>|z|)=2P(Z>|-1.63|)=0.1031$ [By p-value table]

Since, 0.1031 > 0.05

i.e. p-value > $\alpha$

So, we fail to reject the null hypothesis. [When p< $\alpha$ then we reject null hypothesis ]

So, the correct option is a. 0.1031; fail to reject the null hypothesis.

8 0

3 years ago

Someone help me solve this please, I'd appreciate it if you can walk me through the steps. If not, just answering it is okay :)

Marat540 [252]

Answer:

c. -8

Step-by-step explanation:

Given:

$\frac{4b \div c}{1 - a}$

a = 5, b = 8, and c = 1

To evaluate, plug in the values into the expression given.

Thus:

$\frac{4(8) \div 1}{1 - 5}$

$\frac{32 \div 1}{1 - 5}$

$\frac{32}{-4}$

$\frac{8}{-1} = - 8$

4 0

3 years ago

Two planes start from los angeles international airport and fly in opposite directions. the second plane starts 1/2 hour after t

mixer [17]

Let x = first plane's speed.
We have the equation:
2 hours * x km/h + 1.5 hours * (x+60) km/h = 3135 km.
3.5 hours*x km/h + 90 km = 3135km
3.5hours*x km/h = 3045km
x = 870 km/h.
The first plane is traveling at 870 km/h, therefore since it is 60 km/h faster, the second plane is traveling at 930 km/h.

6 0

4 years ago