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olga nikolaevna [1]
3 years ago
6

6b-9=-87 what is the answer

Mathematics
2 answers:
Mariulka [41]3 years ago
6 0

Answer: B=-16

because -86-9=-96 and -96 divided by 6=-16

maw [93]3 years ago
3 0

Answer:

Answer is below

Step-by-step explanation:

Add 9 to both sides.

6b-9+9=-87+9\\6b=-78

Divide both sides by 6

\frac{6b}{6} =\frac{-78}{6} \\b=-13

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Plz help!!
inysia [295]
<span>1. 5564÷91
I know that 9 * 6 = 56
5564 rounds to 5600
91 rounds to 9
Since 56/9 = 6, then 5600/90 is the same as 560/9 = 60
The estimate is 60

2. </span><span>5391÷25
5391 sounds to 5400
25 is 1/4 of 100.
That means when you divide by 25, you can divide by 100 and multiply by 4.
5400/100 = 54
54 * 4 = 216
Estimate: 216

3. </span><span>explain how to estimate 498÷12
48/12 = 4
498 is little more than 480, so 498/12 is little more than 40

4. </span><span>which is the closest estimate for 2130÷ 33
A.7 B.17 C.70 D.700

2130/33
Round off the numerator and denominator to
2100/30
Reduce the fraction
210/3
Since I know that 21/3 = 7, then 210/3 = 70
Estimate: 70
</span>
8 0
3 years ago
How to graph this equation
VLD [36.1K]
Graph the trigonometric function using the amplitude,period,phase shift and vertical shift.
Vertical Asymptotes:x=pi/6 =pi n/2 where n is an integer
Amplitude is none
period is pi/2
phase shift is pi/6 to the right 
vertical shift is 0


7 0
3 years ago
Help me please
vlabodo [156]

Answer:

Step-by-step explanation:

X=8.50

y=9.50

3 0
3 years ago
Calculate the slope of the line that passes through the following points:
alina1380 [7]

Answer:

0

Step-by-step explanation:

Slope is -7--7/1--4

=0/5

=0

7 0
3 years ago
Can someone explain to me or help me get an intuition for why phi = 2 * theta in this case? Why is this property always true?
Alenkasestr [34]
This is obtuse ?

let phi =  135

2theta = 180 -135 = 45

theta = 22.5

phi != 2 * 22.5 != 45

Did you mean ?

phi = 180 - 2theta

Can you provide more explanation ?
6 0
3 years ago
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