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mrs_skeptik [129]
3 years ago
11

8(-2+ 7) + 10(7n + 4)

Mathematics
2 answers:
bulgar [2K]3 years ago
7 0

Answer:

70n + 80

Step-by-step explanation:

You need to multiply the numbers in the parentheses first then you can simplify.

Can I have BRAINLIEST please?

Hope this helps!

Effectus [21]3 years ago
4 0

Answer:

70n+80

Step-by-step explanation:

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Cos (A+B) =1/5<br>COS (A-B) = 3/5<br>Then find tan (A-B)​
Soloha48 [4]

Answer:

tan (A-B)​ = ± 4/3

Step-by-step explanation:

COS (A-B) = 3/5

COS² (A-B) = (3/5)² = 9/25 = 1 - sin² (A-B)

sin² (A-B) = 1 - 9/25 = 16/25

sin (A-B) = ± 4/5

tan (A-B) = sin (A-B) / cos (A-B) = (± 4/5) / (3/5) = ± 4/3

4 0
3 years ago
Rico and Josh took off on skateboards going in the same direction. After 20min, Rico had traveled 5.98 kilometers and Josh had g
Alisiya [41]

Answer:

2.22 km

Step-by-step explanation:

Assuming initially both were at the same point ...

Distance from Rico = 5.98 km.

Distance from Josh = 8.2 km in the same direction.

If they were going in the same direction, then the final distance between the two can be written as follows:

d = 8.2 - 5.98 = 2.22 km

After 20 minutes, Rico and Josh were 2.22 km away. of distance between them.

7 0
3 years ago
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masya89 [10]

Answer:

D

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Which shows the four-term polynomial and factored form of x² + 6x-27?
Advocard [28]
X2+6x-3-27=(x+6)(x-3)
3 0
2 years ago
three line segments have measures of 4 units, 6 units, and 8 units. Will the segments form a triangle?
Oliga [24]

Given:

Three line segments have measures of 4 units, 6 units, and 8 units.

To find:

Will the segments form a triangle?

Solution:

We know that three line segments can form a triangle if the sum of two smaller sides is greater than the largest side.

Three line segments have measures of 4 units, 6 units, and 8 units. Here, the measure of the largest sides is 8 units.

The sum of two smaller sides is

4+6=10

4+6>8

Since the sum of two smaller sides is greater than the largest side, therefore the segments will form a triangle.

4 0
3 years ago
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