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maxonik [38]
3 years ago
14

16) One autumn morning the temperature went up from -4OC to 5OC a) By how many degrees did the temperature rise? During the afte

rnoon, the temperature then fell by seven degrees from 5OC. b) What was the temperature at the end of the afternoon?
Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
7 0

Answer:

Explain it a little more

Step-by-step explanation:

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Expand and simply x(2x + 3) + 5( x - 7)​
zalisa [80]

Answer:

2x² + 8x - 35

Step-by-step explanation:

x(2x + 3) + 5(x - 7) ← distribute both parenthesis

= 2x² + 3x + 5x - 35 ← collect like terms

= 2x² + 8x - 35

6 0
2 years ago
Simplify. 11 3/4 - 8 1/2 A. 3 1/4 B. 3 1/3 C. 4 1/4
Rainbow [258]

Answer:

A

Step-by-step explanation:

11 3/4 - 8 1/2 = 3 1/4

5 0
3 years ago
Simplify expression: <br><br> 3(4x-5) + 4(2x+6)
SVEN [57.7K]
3(4x-5)+4(2x+6)

Distribute.

12x-15+8x+24

12x+8x= 20x

24-15= 9

20x+9 <---- simplified expression

I hope this helps!
~kaikers
6 0
3 years ago
Read 2 more answers
100 POINTS!!! VERY URGENT
Marta_Voda [28]

Answer:

<u>D) (f o g)(x) = 10x² - 60x + 93</u>

Step-by-step explanation:

f(x) = 10x² + 3

g(x) = x - 3

⇒ (f o g)(x)

⇒ f(x - 3)

⇒ f(x - 3) = 10(x - 3)² + 3

⇒ f(x - 3) = 10(x² - 6x + 9) + 3

⇒ f(x - 3) = 10x² - 60x + 90 + 3

⇒ <u>(f o g)(x) = 10x² - 60x + 93</u>

6 0
2 years ago
Read 2 more answers
An investment account earns 4% per year compounded annually.
melisa1 [442]
Amount after 3 years = 4000( 1 + 0.04)^3  =   $4,499.46  answer
8 0
3 years ago
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