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3 years ago

12

I need this someone to show me the work and give me a good explanation because I don’t know what to do!!!

1 answer:

Alecsey [184]3 years ago

7 0

I can give you advice and directions towards it.

It says the congruency of MNO is proven by a reflection
It also say the congruency of XYZ is proven by a reflection.

With that being said yes they are congruent and they a proved by a reflection.

I hope this helps you have a better understanding

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Is 1 3/23 a rational number

UkoKoshka [18]

Answer:

Yes

Step-by-step explanation:

In mathematics rational means "ratio like." so a rational number is one that can be written as the ratio of two integers. 1 3/23 can be converted into 26/23, which is a ratio, therefore, 1 3/23 is a rational number.

Hope this helps!

4 0

3 years ago

Mrs. James displayed the factor tree at the right complete the factor tree to find the number that has prime factorization of 2

Taya2010 [7]

Download the guath math app it will help you with all your math work

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3 years ago

Read 2 more answers

Daniela and Jack are hiking a steady incline. They use their GPS device to determine their elevation every 15 minutes. At 15 min

kow [346]

Answer:

$h=40t+9700$

where the elevation, h, is in feet and time, t, is in minutes.

Step-by-step explanation:

At the time, $t_1=15$ min, the elevation, $h_1= 10,300$ feet and

at the time $t_2= 30$ min, the elevation, $h_2=10,900$ feet.

As they are hiking a steady incline, so the change in the elevation with respect to time will be constant.

So, there will be a linear relationship between the elevation and the time.

Let $h$ be the elevation at any time instant $t$ , so the linear relation among these quantities is

$h=mt+C_0\;\cdots(i)$

where $m$ is the rate of change of elevation with respect to time and $C_0$ is constant.

The change in the elevation, $\Delta h=h_2-h_1= 10,900-10,300=600$ feet.

and the change in time, $\Delta t=t_2-1_1=30-15=15$ min.

So, change in the elevation in unit time,

$m=\frac{\Delat h}{\Delta t}=\frac{600}{15}=40$ feet/min.

Now, from equation (i)

$h=40t+C_0$

As the elevation, $h=h_1$ at time $t=t_1$ , so

$10,300=40\times15+C_0$

$\Rightarrow C_0=9700$

Hence, the required equation is

$h=40t+9700$

where the elevation, $h$ , is in feet and time, $t$ , is in minutes.

3 0

3 years ago

Deion is purchasing cat food. The brand he plans to buy comes in two seizes.

murzikaleks [220]

Answer:

40

Step-by-step explanation:

15 divided by 3 is 5

so each pound is 5 dollars.

now do 5 times 8

that gives you 40

the big bag is 40 dollars

5 0

3 years ago

What is 12.3 -(-9.6) =12.3 + 9.6 simplified?

BlackZzzverrR [31]

Answer:

Step-by-step explanation:

12.3 + 9.6 = 21.9

4 0

4 years ago