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Agata [3.3K]
2 years ago
7

When is a protractor preferred to a ruler when finding a measurement

Mathematics
1 answer:
Keith_Richards [23]2 years ago
7 0
When measuring an angle.
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Please, multiply the following Algebric sum.........<br> 3ab+2bc, 5bc
ohaa [14]

Answer: The required product of two given algebraic expressions =15abc +10b²c²

Step-by-step explanation:

Here we need to multiple two algebraic expressions: 3ab+2bc, 5bc

i.e. The required product = (3a+2bc)  x (5bc)

= 3a x 5bc + 2bc x 5bc    [Using right distributive property: (a+b)c= ac+bc]

= (3x 5)  abc + (2 x 5) (bc)²

= 15abc +10b²c²

Therefore, the required product of two given algebraic expressions = 15abc +10b²c²

3 0
3 years ago
HELP PLEASE WILL MARK BRAINLEST
seropon [69]

Answer:

13x+16

Step-by-step explanation:

3x+7+8x+2x+4+5

13x+7+4+5

13x+16

7 0
2 years ago
During a radio contest, $50 is added to the prize money each time a caller answers the contest question incorrectly. the first c
omeli [17]

Answer:

50x+100=y
y=550

Step-by-step explanation:

Since the first caller can win $100, you add 100 onto the end. After you add 50 for every person who answered incorrectly. X being amount tried/answered incorrectly, and Y being the amount you can win at that given time

6 0
2 years ago
A raft travels down river at a rate of 6 miles per hour. The total distance d in miles that the raft travels is equal to the rat
Fudgin [204]

Answer:

d=6h

Step-by-step explanation:

Speed of the raft= 6 miles per hour

Total distance (d) of the raft= rate × number of hours

d=r*h

Independent variable is the number of hours(h)

Dependent variable is the distance (d)

Equation for the situation

d=r*h

d=distance

r=rate

h=number of hours

From the question,

r=6 miles per hour

Therefore,

The equation is

d=r*h

d=6*h

d=6h

8 0
3 years ago
Convert 7.25 KL to mL using conversion factors
lesya [120]

Answer:

7.79

Step-by-step explanation:

8 0
3 years ago
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