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3 years ago

HELLLLLPPPPPP what is 123 x 85?????

Mathematics

2 answers:

Liula [17]3 years ago

6 0

It’s 10455 well that’s what I got

olchik [2.2K]3 years ago

5 0

Answer:

10,445.

Step-by-step explanation:

Hope this helps!

(sorry if it's wrong)

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What is the area of the region bounded between the curves y=x and y=sqrt(x)?

erastova [34]

Answer:

$\frac{1}{6}$

Step-by-step explanation:

y = x .....(1)

$y=\sqrt{x}$ .... (2)

By solving equation (1) and equation (2)

$x = \sqrt{x}$

$\sqrt{x}\left ( \sqrt{x}-1 \right )=0$

$\sqrt{x}=0$ or $\left ( \sqrt{x}-1 \right )=0$

x = 0, x = 1

y = 0, y = 1

A = $\int_{0}^{1}ydx(curve)-\int_{0}^{1}ydx(line)$

A = $\int_{0}^{1}\sqrt{x}dx-\int_{0}^{1}xdx$

A = $\frac{2}{3}[x^\frac{3}{2}]_{0}^{1}-\frac{1}{2}[x^2]_{0}^{1}$

A = $\frac{2}{3}-\frac{1}{2}$

A = $\frac{1}{6}$

8 0

3 years ago

What is the interquartile range for the data set??

kramer

Answer:

Step-by-step explanation:

First, order the numbers in order. Then find the "middle numbers" and omit them after you have divided the number set into two equals parts. Then find the median of those number sets and then subtract.

You should get 71-6 at the end which is 65.

8 0

3 years ago

A security expert claims that exactly 13% of all homeowners have a home security alarm. State H0 and Ha in words and in symbols

soldi70 [24.7K]

Answer:

Two tailed

Step-by-step explanation:

Given that a security expert claims that exactly 13% of all homeowners have a home security alarm.

Here we have to check whether the contention of security expert is correct or not

The test is to be done for the proportion of homeowners who have a home security alarm to total homeowners.

Let p be the proportion.

For this we set up hypotheses as:

$H_0 = p = 13%=0.13\\H_a: p \neq 0.13$

This is a two tailed test

Because alternate is for not equal to. If alternate is for > or < we say one tailed and if not equal to we say two tailed.

3 0

2 years ago

And item is regularly priced at $81. Maria brought it at a discount of 85% off the regular price you say a LEKS calculator to fi

Paladinen [302]

Answer:$12.15

Step-by-step explanation:

Given

The regular price of an item $\$81$

Maria gets a discount of $85\%$

Amount paid after the discount is

$\Rightarrow 81(1-85\%)\\\Rightarrow 81(1-0.85)=85(0.15)\\\Rightarrow \$12.15$

4 0

2 years ago

hello everyone, can someone help me with this question? it's says how are unit rates and equivalent ratios related?

aleksandrvk [35]

Answer:

A unit rate is a special kind of ratio, where the second number, or the denominator, is equal to one. With a unit rate, you are comparing a quantity to one. Some common unit rates are miles per gallon, price per pound, and pay rate per hour. ... You can simply divide the first number in the ratio by the second

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3 years ago