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bogdanovich [222]
3 years ago
15

Need help on this lowkey

Mathematics
1 answer:
Alik [6]3 years ago
7 0
Problem 42 is 4 because 2(3+4)= 14 So 2x3 is 6. (14-6=8) so them 2x4 is 8.

Problem 43 is 6 because 5(6+3)= 45 So 5x3 is 15 (45-15=30) and 5x6=30

In problem 44 7x4=28 and 4x5=20 so you do 28+20 to get 48. (48 divided by 4 is 12) So 12-7 is 5. 5 is the answer

Problem 45: 6x4=24 and 6x3=18. 24+18=42. (42 divided by 6 is 7) so the last one could be anything added together to make 7.
Ex: 6+1 5+2 4+3
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Will give medal to best answer!
mart [117]
We have two sides and one angle opposite to one of the known sides.

Begin with applying the Law of Sines to find angle A:
\frac{sin A }{a} = <span>\frac{sin C }{c}

Then, solve for sin A:
</span>sin A = \frac{a sinC}{c}

Now, plug in numbers:
sin A = 19 × sin(38) / 10 = 1.17

We know that it does not exist an angle whose sin is bigger than 1, therefore
no triangle is formed.

6 0
3 years ago
Find the slope please
Katarina [22]

Answer:

slope is -\frac{3}{4}

Step-by-step explanation:

1,-1  -3,2 are two points on the graph

the equation to find slope is \frac{y_{1}- y_{2} }{x_{1}- x_{2} }

so \frac{2--1}{-3-1} = -\frac{3}{4}

or you can count how many places it changed in the equation \frac{rise}{run}

7 0
3 years ago
PLEASE HURRY! What is the value of x in this triangle? The triangle is labeled 5, 20 &amp; x
a_sh-v [17]

Answer:

x = 14.04°

Step-by-step explanation:

\text{tan(x) = Opposite / Adjacent}\\tan(x) = 5/20\\tan(x) = 0.25\\x = 14.04

3 0
2 years ago
Evaluate the expression 2x+6 if x = 4
JulijaS [17]
2(4)+6
8+6
=14
you’re welcome :)
8 0
3 years ago
Line l has a _____ slope.<br> negative<br> 0<br> positive<br> undefined
Natasha2012 [34]

Answer:

positive

Step-by-step explanation:

negative slopes go from right to left; this line goes from left to right

0; the line isn't completely horizontal

undefined; the line isn't completely vertical

8 0
3 years ago
Read 2 more answers
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