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malfutka [58]
3 years ago
13

3.2a - 16 = 4a Solve

Mathematics
1 answer:
KengaRu [80]3 years ago
3 0

Answer:

a= -20

Step-by-step explanation:

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3. x + 4y = 30<br> x - 2y = 0
kolbaska11 [484]

Answer:

Step-by-step explanation:

Given that:

x + 4y = 30

x - 2y = 0

Subtracting both equations:

6y = 30

y = 30/6

y = 5

Putting in above equation

x + 4(5) = 30

x + 20 = 30

x = 10

i hope it will help you

5 0
3 years ago
25POINTS!!!
irina [24]

Answer:

10.8 cm

Step-by-step explanation:

Using cosine law

g² = 7.1² + 6.7² - 2(7.1)(6.7)cos(103)

g² = 116.7018433

g = 10.80286274

5 0
4 years ago
Find a pair of integers with a product of -84 and a sum of 5.
Damm [24]

Answer:

12 x -7 = -84 12 + (-7) = 5

Step-by-step explanation:

5 0
3 years ago
Jeremy ate 5 pieces of shrimp, Julie ate 7 pieces. What fraction of the total did Jeremy eat?
matrenka [14]

Answer:

\frac{5}{12}

Step-by-step explanation:

The total amount of shrimp that was eaten was 12 pieces of shrimp.

To make the fraction you will simply put the amount of shrimp Jeremy ate over the total number of shrimp eaten by the pair.

Therefore, the fraction would look like this:

\frac{5}{12}

The decimal form of this would be 0.4167. Which also means that Jeremy ate 41.67% of the total amount of shrimp eaten.

Hope this helps!!

4 0
2 years ago
If 123 and x are in proportion find the value of x​
Marizza181 [45]

1:2=3:x

1/2=3/x

1×x=3×2

x=6

3 0
3 years ago
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