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mr_godi [17]
2 years ago
11

what is the area of a triangle if the base is 7 less than 5 times a number and the height is 3 times the number and eight

Mathematics
1 answer:
Flauer [41]2 years ago
6 0
Area of a triangle is half multiplied by the height multiplied by the base.So multiplying the two together and halfing is shown below

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What is the answer I need to know
kolezko [41]
K = -18 to check, -4 + k/3 = -10 is the equation. -18/3 = -6, and -4 + -6 = -10. Mark as branliest if you can. :)
3 0
3 years ago
Oil spill spreads 25 m² every 1/6 hour how much area does the oil spill cover after two hours
Delvig [45]
1/6 of an hour is 10 minutes because there are 60 minutes in an hour so 60/6=10
so it's 25m^2/10minutes
now just multiply 25 by 12 ( 12 lots of 10 minutes in 2 hours)
25*12=300
answer is 300m^2

hope this helped
6 0
2 years ago
Read 2 more answers
YALL PLSSSSSSSS HELP IM SHAKING I NEED HELP PLSS
Vilka [71]

Answer:

someone is adding dont worrie

Step-by-step explanation:

8 0
2 years ago
Rearranging literal equations!! really confused ASAPplease
valina [46]

Answer:

b = \frac{8a-55}{5-a}

Step-by-step explanation:

To clear the radicals square both sides

\frac{1}{6-a} = \frac{8+b}{b-7} ( cross- multiply )

(6 - a)(8 + b) = b - 7 ← expand factors on left using FOIL

48 + 6b - 8a - ab = b - 7 ( subtract 48 from both sides )

6b - 8a - ab = b - 55 ( add 8a to both sides )

6b - ab = b - 55 + 8a ( subtract b from both sides )

6b - ab - b = 8a - 55, that is

5b - ab = 8a - 55 ← factor out b from each term on the left side )

b(5 - a) = 8a - 55 ← divide both sides by (5 - a)

b = \frac{8a-55}{5-a}

7 0
3 years ago
What is 100×100?<br><br> can someone help me
Hunter-Best [27]
100 times 100
When you want to multiply 100 by 100, count up all the zeros first.
There are 2 zeros in one 100 and 4 zeros in two 100's.
Since there are 4 zeros, that means 100 • 100 is a 1 followed by 4 zeros.
This means 100 • 100 = 10,000

100 multiplied by 100 is 10,000 (ten thousand)

Hope this helps!
6 0
3 years ago
Read 2 more answers
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