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dimaraw [331]
3 years ago
13

Complete then message me for 100 points

Mathematics
2 answers:
Mice21 [21]3 years ago
5 0

Answer:

can you crop the photo?

Step-by-step explanation:

it is too small

Alecsey [184]3 years ago
3 0

Answer:

The picture is too small

Step-by-step explanation:

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Can you please help me to solve this mathematical question:<br><br> (+1) - (-9) = ?
Rufina [12.5K]

Answer:

-8

this is the all answer but no steps

6 0
4 years ago
Read 2 more answers
What is the Simplified form of √46/192
Lorico [155]

Answer:

  (√138)/24

Step-by-step explanation:

\displaystyle\sqrt{\frac{46}{192}}=\sqrt{\frac{46\cdot 3}{192\cdot 3}}=\sqrt{\frac{138}{24^2}}=\frac{\sqrt{138}}{24}

8 0
3 years ago
A furnace delivers 8.0 × 104 btu per hour. how many kilocalories per hour is this?
vazorg [7]
For this case the first thing you should know is the following unit conversion.
 1 BTU = 0.25 Kilocalories
 We then have the following numerical value:
 8.0 * 10 ^ 4 \frac{BTU}{h}
 Applying the conversion of units we have:
 8.0 * 10 ^ 4 \frac{BTU}{h} * 0.25 \frac{Kcal}{BTU}
 Canceling units we have:
 20000 \frac{Kcal}{h}
 Answer:
 
This is 20000 kilocalories per hour
 
20000 \frac{Kcal}{h}
6 0
3 years ago
(2) You have $20 and are able to save $15.50 a month. Your friend has $88 and is able to save $7 a month. Enter the number of mo
S_A_V [24]

Answer:

8 months is the answer.

Step-by-step explanation:

20 + (15.50 x 8) = 144

88 + (7 x 8) = 144

How I found the answer was by plugging in numbers where 8 was until they both matched.

7 0
3 years ago
What is the r-value of the following data to three decimal places?
ValentinkaMS [17]

Answer:

Option B

Step-by-step explanation:

Given that two variables in table as

                                            Total     Average

x              2   6   7   8   12       35          7

y             15  13   9   8    5        50         10

xy            30 78 63 64  60     295        59

(x-7)^2   25      1  0     1   25        52     10.4

(y-10)^2   25   9   1      4   25     64        12.8

Var x = 10.4 and std dev x = 3.225

Var Y = 12.8 and std dev Y = 3.578

Cov (xy) = E(xy)-E(x) E(Y)=59-70=-11

Correlation coefficient r

= Cov /sx sy = -11/(3.225)(3.578)=-0.9532

Round off to get

r=-0.953

Henceoption B is right.

7 0
4 years ago
Read 2 more answers
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