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raketka [301]
3 years ago
12

The temperature at noon was -3 degrees Celcius. By 10 P.M. on the same day the temperature decreased by 5.4 degrees. What was th

e temperature at 10 P.M.?
Mathematics
2 answers:
Scorpion4ik [409]3 years ago
6 0

Answer:

-8.4 degrees C.

Step-by-step explanation:

The temperature decreases:-

-3 - 5.4

= -8.4 degrees.

mrs_skeptik [129]3 years ago
3 0

Answer:

-8.4 degrees C.


Step-by-step explanation:

The temperature decreases:-

-3 - 5.4  

= -8.4 degrees.

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enot [183]

Answer:

a. 20x > 10x + 80

b.  •20x > 10x + 80

• Subtract 10x from both sides: 20x -10x > 10x + 80 - 10x

• Simplify: 10x > 80

• Divide both sides by 10:   10x/10 > 80/10

• Simplify: x > 8

Step-by-step explanation:

10x + 80 = number of seashells Pilar has.

20x = number of seashells Marisol has.  

answer for a:  20x > 10x + 80

answer for b: 20x > 10x + 80

• Subtract 10x from both sides: 20x -10x > 10x + 80 - 10x

• Simplify: 10x > 80

• Divide both sides by 10:   10x/10 > 80/10

• Simplify: x > 8

3 0
3 years ago
Evaluate the expression 8n for n = 1 5/12
ad-work [718]

Answer

8n=34/3

Step-by-step explanation:

1 5/12=17/12

17/12*8/1=136/12=34/3

4 0
2 years ago
Last year Sophia baked 75 cookies, but this year she
Ne4ueva [31]

Answer:

6 cookies

Step-by-step explanation:

simple math

Here, punch this in the calculator, or use your brain

75%8 = 6

3 0
3 years ago
Let f(x) = -3x + 2 and g(x) - 4x + 6. Find (f•g)(-5).
mezya [45]

Answer:

(f•g)(-5) = -238

Step-by-step explanation:

We have that:

f(x) = -3x + 2

g(x) = 4x + 6

Find (f•g)(-5).

First we find (f.g)(x)

So

f(x)*g(x) = (-3x + 2)*(4x + 6) = -12x² -10x + 12

When x = -5

-12(-5)² - 10(-5) + 12 = -238

(f•g)(-5) = -238

6 0
3 years ago
Please help ill do anything and no links
alekssr [168]

Answer:

5. Obtuse angle and angle measurement- 130

6. Obtuse angle and angle measurement- 110

Step-by-step explanation:

If you look at the protractor you can see the numbers and if its right of the 90 degrees than its acute if its left of the 90 degrees than its obtuse. If its 90 degrees exactly then its a right angle. And you look at the numbers below the line to find the measurement and look where the line is exactly, then thats your measurement. Hope this helped!

7 0
2 years ago
Read 2 more answers
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