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Kamila [148]
3 years ago
12

A + c =150 9a + 6c = 1155

Mathematics
1 answer:
aalyn [17]3 years ago
6 0
a+ c =150\\
9a + 6c = 1155\\\\
a+c=150\\
3a+2c=385\\\\
-2a-2c=-300\\
\underline{3a+2c=385}\\
a=85\\\\
85+c=150\\
c=65


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Work out the height of a parallelogram with a base of 10m and an area of 60m2
noname [10]
Area formula of a parallelogram is
        A = base x height

Given are the
Area = 60 m² and base = 10 m

 Substitute the given:

60 = 10h  (divide by 10 to find value of h)
\frac{60}{10} = \frac{10h}{10}  (10 and 10 cancels out)

h = 6
The height of a parallelogram with a base of 10m and an area of 60m² is 6m

3 0
3 years ago
Help w algebra please
hjlf
The correct answer is C
6 0
2 years ago
What are some ways we can tell that 7x + 2 is not equivalent to 9x?
vlabodo [156]

Answer:

To determine if two fractions are equivalent, cross multiply. To cross multiply, you multiple the numerator of the first fraction by the denominator of the second. Then you multiply the denominator of the first fraction by the numerator of the second. If the two numbers are equal, the fractions are equivalent

Step-by-step explanation:

5 0
3 years ago
If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package
ANTONII [103]

Answer:

The answer is 94

Step-by-step explanation:

divide 7/10 because thats the fraction = 0.7

divide 65.8 by 0.7

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8 0
3 years ago
Nilai x yang memenuhi persamaan linier dari 2x-7/2=3-6-5x/6 adalah
emmainna [20.7K]
2x-7/2 = 3-6-5x/6
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⇒ x= (1/2)/ (2 5/6)
⇒ x= 3/17

The final answer is x= 3/17~
5 0
3 years ago
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