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2 years ago

What is the value of -2 1\6 - 1 1\4 + 1 3\4

Mathematics

2 answers:

Anastasy [175]2 years ago

5 0

Answer:

If I'm correct it should be 34.

Step-by-step explanation:

cricket20 [7]2 years ago

4 0

Answer:

Step-by-step explanation:

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If the number n=87a3b is divisible by 12, what is the largest value of n?

dezoksy [38]

Answer:

go on brainly chump lol......

Step-by-step explanation:

go to app store to search and type brainly then download it

8 0

2 years ago

Use this information to answers Questions 1 through 7. The U.S. government provides money to each state to maintain the intersta

vladimir2022 [97]

Answer:

1. Null Hypothesis, $H_0$ : $\mu \leq$ 70 mph

Alternate Hypothesis, $H_A$ : $\mu$ > 70 mph

2. Value of test statistics is 2.652.

Step-by-step explanation:

We are given that Kansas Highway Patrol recorded the speed of 450 interstate vehicles and found the mean speed of 70.2 mph with standard deviation 1.6 mph.

We have to conduct a hypothesis test at significance level 0.01 to decide whether or not to reduce the money sent to Kansas.

Let $\mu$ = true mean speed of all vehicles on the Kansas interstate highway system.

SO, Null Hypothesis, $H_0$ : $\mu \leq$ 70 mph {means that the federal government will not reduce the amount of funding it provides as the speed limit is less than or equal to 70 mph}

Alternate Hypothesis, $H_A$ : $\mu$ > 70 mph {means that the federal government will reduce the amount of funding it provides as the speed limit exceed 70 mph}

The test statistics that will be used here is One-sample t test statistics as we don't know about the population standard deviation;

T.S. = $\frac{\bar X -\mu}{\frac{s}{\sqrt{n} } }$ ~ $t_n_-_1$

where, $\bar X$ = sample mean speed limit of 450 interstate vehicles = 70.2 mph

s = sample standard deviation = 1.6 mph

n = sample of vehicles = 450

So, test statistics = $\frac{70.2-70}{\frac{1.6}{\sqrt{450} } }$ ~ $t_4_4_9$

= 2.652

Hence, the value of test statistics is 2.652.

5 0

2 years ago

How to rewrite 2+2+2+2+2 into a multiplication problem?

inna [77]

Answer:

2 x 5

Step-by-step explanation:

Think of it as "the value 2 is being added together 5 times" being added together so it could be written as 2 times 5.

5 0

2 years ago

Read 2 more answers

I NEED HELP PLEASE, THANKS! :)

Alenkasestr [34]

Answer:

Option A

Step-by-step explanation:

This is a great question!

The first thing we want to do here is to graph the system of " inequalities " -

$\begin{bmatrix}2x+9y\le \:100\\ 9x+y\le \:54\end{bmatrix}$

As x is ≥ 0, respectively y ≥ 0, it makes things a lot simpler, as it kind of restricts us to quadrant 1, but not entirely.

First change each inequality to " slope - intercept " form, as such -

$2x + 10y \leq 100,\\10y \leq 100 - 2x,\\y \leq - 1 / 5x + 10\\----------\\9x + y \leq 54,\\y \leq - 9x + 54$

The graphed solutions would be in the attachment. I have colored the region with which the two intersect, and the fact that we are limited to quadrant 1. In this colored region there are 3 major points, ( 5, 9 ), ( 0, 10 ), and ( 6, 0 ). We have to determine which of these are are maximum points, as the minimum are the same. Substitute these values ( ( 5, 9 ), ( 0, 10 ), and ( 6, 0 ) ) into the equation f( x, y ) = 10x + 4y,

$f ( x, y ) = 10( 5 ) + 4( 9 ),\\f ( x, y ) = 86 -\\f ( x, y ) = 10( 0 ) + 4( 10 ),\\f ( x, y ) = 40 -\\f ( x, y ) = 10( 6 ) + 4( 0 ),\\f ( x, y ) = 60$

( 5, 9 ) resulted in the greatest amount, 86. That would make it our maximum point -

Solution = Option A

3 0

2 years ago

What is the length of HJ expressed in terms of pie?

frutty [35]

im not sure but pie is 3.14

6 0

2 years ago