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Kazeer [188]
3 years ago
12

Starting temperature is 21°C, the highest temperature is 32c. What is the change in temperature? _____​

Mathematics
1 answer:
zysi [14]3 years ago
6 0
11 dkdnkdndskdndnsjsjsjdidj
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Arranging like terms; solve the linear system using eliminationlly - 3x = 18- 3x = -16y + 33
DENIUS [597]

Solution

For this case we can do the following:

11y - 3x = 18

16y -3x = 33

We can multiply the first equation by -1 and we got:

-11y +3x =-18

16y -3x = 33

_______________

16y -11y = 33-18

5y = 15

y= 15/5 = 3

And then solving for x we got

x = -(18 -11*3)/ 3= -15/3 = 5

8 0
1 year ago
Sum and difference of 5+2.3
professor190 [17]

Answer:

sum: 7.3 difference:2.7

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Two ropes, AD and BD, are tied to a peg on the ground at point D. The other ends of the ropes are tied to points A and B on a fl
BigorU [14]
You have two 30-60-90 triangles, ADC and BDC.

The ratio of the lengths of the sides of a 30-60-90 triangle is

short leg : long leg : hypotenuse
     1        :  sqrt(3)  :        2

Using triangle ADC, we can find length AC.
Using triangle BDC, we can find length BC.
Then AB = AC - BC

First, we find length AC.
Look at triangle ACD.
DC is the short leg opposite the 30-deg angle.
DC = 10sqrt(3)
AC = sqrt(3) * 10sqrt(3) = 3 * 10 = 30

Now, we find length BC.
Look at triangle BCD.
For triangle BCD, the long leg is DC and the short leg is BC.
BC = 10sqrt(3)/sqrt(3) = 10

AB = AC - BC = 30 - 10 = 20
6 0
3 years ago
Read 2 more answers
Nina skated for 2 hour 14 mins she stopped at 8:24 what time did she start skating
maks197457 [2]

Answer:

6:10

Step-by-step explanation:

To solve this problem, find the time 2 hours and 14 minutes before 8:24.

2 hours before 8:24 is 6:24.

14 minutes before 6:24 is 6:10.

Therefore, Nina started skating at 6:10.

6 0
3 years ago
Read 2 more answers
If f(x) - 4 -3 and s() = x1, find (f-g)(x)<br><br>​
Archy [21]

Answer:

=fx-gx

Step-by-step explanation:

Apply the distribute law

Remove Parentheses

Answer found

Answer: =fx-gx

<em><u>Hope this helps.</u></em>

3 0
3 years ago
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