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natita [175]
3 years ago
8

Pls need answer fast

Mathematics
1 answer:
galina1969 [7]3 years ago
5 0

Answer:

B

Step-by-step explanation:

The answer is B

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Help! On these questions
Radda [10]
1/4z + 8 = 12
1/4z = 12 - 8
1/4z = 4
z = 4 / (1/4)
z = 4 * 4/1
z = 16 <===
==================
-3(2n + 1) + 7 = -5
-6n - 3 + 7 = -5
-6n + 4 = -5
-6n = -5 - 4
-6n = -9
n = -9/-6
n = 3/2 <===
===================
2.5(t - 2) - 6 = 9
2.5t - 5 - 6 = 9
2.5t - 11 = 9
2.5t = 9 + 11
2.5t = 20
t = 20 / 2.5
t = 8 <===


3 0
3 years ago
Find the area of the triangle.<br><br> A. 75 km²<br> B. 107.3 km²<br> C. 84.3 km²<br> D. 71.8 km²
suter [353]

Answer:

A. 75 km²

Step-by-step explanation:

The area of a triangle

A =1/2 ab sin C  where a and b are the lengths of the sides and C is the included angle

A = 1/2 (14)(11) sin (77)

A = 75.0264949885

4 0
3 years ago
How many different triangles can you make if you are given<br>these three lengths for sides?<br>​
Dvinal [7]

Answer:

Step-by-step explanation:

i think its 3

8 0
3 years ago
4x^2 + n (n+x) x=3 n=5
Vika [28.1K]
Mm dont know but keep trying

3 0
3 years ago
If 75% is 60 pounds what is the full cost
otez555 [7]
OK,  60 pounds is weight.... cost is money.... what the what?
3 0
3 years ago
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