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Black_prince [1.1K]
3 years ago
15

Evaluate the expression when b=3. b^2+7b -9

Mathematics
1 answer:
algol133 years ago
3 0

Answer:

21

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask

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Can anybody help me with these two questions​
sladkih [1.3K]

Answer:

#1 is 39

#2 is 10 1/2

Step-by-step explanation:

Hopefully this helped, if not HMU and I will try my best to get you a better answer!

Have a great thanksgiving break :)

4 0
3 years ago
Rob is saving to buy a new MP3 player. For every $15 he earns babysitting, he saves $9. On Saturday, Rob earned $60 babysitting.
alexandr402 [8]
$60 ÷ $15 = 4
$9 × 4 = $36
he saved $36 when he earned $60
8 0
3 years ago
A Ferris wheel can accommodate 65 people in 20 minutes.How many people could ride the Ferris wheel in 6 hours? What is the rate
goldfiish [28.3K]
65 people=20 minutes
20*3=60 minutes which is 1 hour
65*3=195 people per hour (This is the rate per hour)
195*6=1,170 people per six hours
7 0
3 years ago
Please help this is on one of my finals <br> Find the sum <br> 8/14 + 7/14 + 2/14
mylen [45]
The answer would be 1 3/14
6 0
3 years ago
1) Convert the following to decimals:<br> a) 25% b) 60% c) 72.1%<br> d) 7%<br> e) 9.5%<br> f).66%
KIM [24]

25% = 25% : 100% = 0,25 ← the end

60% = 60% : 100% = 0,6 ← the end

72,1% = 72,1% : 100% = 0,721 ← the end

7% = 7% : 100% = 0,07 ← the end

9,5% = 9,5% : 100% = 0,095 ← the end

66% = 66% : 100% = 0,66

5 0
3 years ago
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