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ikadub [295]
2 years ago
9

Solve -2a - 5>3 Which graph shows the solutions?

Mathematics
2 answers:
horrorfan [7]2 years ago
7 0

-4>3

Step-by-step explanation:

Irina18 [472]2 years ago
5 0

Answer:

First line

Step-by-step explanation:

Isolating 2a is the first step, so adding 5 to each side. That leaves -2a > 8. Divide both sides by -2, and because it's a negative, you flip the sign. so you get a < -4

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Enter the ratio as a fraction in lowest terms2 ft to 54 in.
AnnyKZ [126]

Answer:


Step-by-step explanation:

First change both units to the same unit

2ft=24 inches

Now your new fraction is 24/54

Now simplify

24/54 = 4/9

4 0
2 years ago
Solve this simultaneous equation m+2n=10 and 2n+3m=18​
Ksju [112]

Answer:

m=4

n=3

Step-by-step explanation:

m+2n=10

2n+3m=18

Subtract

-2m=-8

m=4

Solve for n

(4)+2n=10

2n+3(4)=18

2n=10-4

2n=18-12

2n=6

n=3

3 0
3 years ago
Factor completely 3x3 − 3x2 − 18x.
pashok25 [27]
3x^3 -3x^2 -18x = 3x(x^2 -x -6) = 3x(x-3)(x+2) so the 3rd choice is right sure 

hope helped 
4 0
3 years ago
C. The 100th term of 1, 3, 9, ... is
True [87]

Answer:

Step-by-step explanation:

Remark

We really should have 1 more term in the sequence. There could be a lot of things that determine what the sequence is. I'm going to say that each term is multiplied by 3

Givens

a1 = 1

r = 3

Formula

tn = a1 * 3^(n-1)

t100 = 1 * 3^(100 - 1)

t_100 = 3^99

t_100 = 1.72 * 10^47

This really is a scientific calculator problem. If you don't own such a thing, but you have windows 10 on your computer, go to the calculator. Go to the scientific calculator and put in these key strokes.

3

x^y

99

=

This is what you get

1.7179250691067044367882037658854e+47

Naturally, I rounded it a bit.

4 0
2 years ago
We want to factor the following expression: (x+7)^2+2y(x+7)+y^2 which patter can we use to factor the espression? U and V are ei
Lostsunrise [7]

Answer:

A. (U+V)^2 or (U-V)^2

Step-by-step explanation:

5 0
2 years ago
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