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grigory [225]
3 years ago
8

Guys help me yall for 20 point

Mathematics
2 answers:
shtirl [24]3 years ago
5 0

Answer:

-9

Step-by-step explanation:

9 divided by -9 is -1

-1 +4 = 3

igomit [66]3 years ago
4 0

Answer:

7

Step-by-step explanation:

9/m+4

9/3+4 (m=3)

3+4

7

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A line passes through the points (-4,n) and (2,4n) and has the slope of 6. What’s the value of n?
Wittaler [7]

Not sure about this one sorry bud

4 0
3 years ago
What Is The Answer To <br> - 3/4 + 4/7 =?
Mrrafil [7]

Answer:

Oof

Step-by-step explanation:

First, change the denominators cuz, math. Then just do the math. Why you asking me?

4 0
4 years ago
Help me plz id.k whats 1×1 ​
FrozenT [24]
How you don’t kno what’s 1x1 is is 1
7 0
3 years ago
Find all solutions of cos x -sqrt = 0.
valina [46]

Answer:

Option A

Step-by-step explanation:

Good question!

We assume that x lies on the interval 0<=x<=360. We can therefore identify the solution in degrees:

\cos \left(x\right)-\sqrt{1-3\cos ^2\left(x\right)}=0,\:0\le \:x\le \:360^{\circ \:}

Now we can solve by substitution, and when simplified we get cos(x) = 1/2.

Take the inverse: x = cos^-1(1/2) = π/3 <--- angle in first quadrant

                             x = (2π-π/3) = 5π/3 <----- angle in fourth quadrant

As you know π/3 in degrees is 60, and 5π/3 = 360-60 = 300

Therefore your solution is the first option, x = 60+n360 and x = 300 + n360

6 0
3 years ago
Help please !!!!!!!!
Orlov [11]
(-3,4) is CORRECT!!!!!!!!!!!!!!!!
8 0
2 years ago
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