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Alekssandra [29.7K]
3 years ago
9

Katrina is solving the equation -2(x+3)= 4(2x+3)-(x+4). Which equivalent equations might Katrina use? Check all that apply. Ox-2

x-6=8x+12-x-4 O x-2x+6= 8x+ 12- X+4 Ox-2x-6-8x+12-X+4 O x-2x+3 = 8x+3 - X+4 0-x-6-7x+8 O-x+6=7x+16 0-x-6-7x+16 O-X+3 = 7x+7​
Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
5 0

Step-by-step explanation:

-2x-6=8x+ 12-x-4

x-2x-6=8x+12-4

Ludmilka [50]3 years ago
4 0

Answer:

A , E

Step-by-step explanation:

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What is the answer to 5a+3b=c
Margaret [11]

Answer:

a = -0.6b + 0.2c

Step-by-step explanation:

Simplifying

5a + 3b = c

Solving

5a + 3b = c

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-3b' to each side of the equation.

5a + 3b + -3b = -3b + c

Combine like terms: 3b + -3b = 0

5a + 0 = -3b + c

5a = -3b + c

Divide each side by '5'.

a = -0.6b + 0.2c

5 0
3 years ago
Identify the constant of proportionality in the equation. 6 y equals 24x​
Oksana_A [137]

Answer:

The constant of proportionality in this case would be 4

Step-by-step explanation:

To find the constant of proportionality, you need to solve for y. Then use the coefficient of x as k, which is the constant of proportionality.

6y = 24x

y = 4x

8 0
3 years ago
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Solve for b using Trig ratios. Round to the nearest tenth.
vitfil [10]

Answer:

idc

Step-by-step explanation:

6 0
4 years ago
The weight of an object on the moon varies directly with its weight on the earth. If an object weighing 95 lbs on the moon weigh
Luda [366]
ANSWER

450lb

EXPLANATION

If the weight, m of an object on the moon varies directly as the weight of an object e, on the earth, then we can write the mathematical statement,.
m \propto \: e
We introduce the constant of proportionality to obtain,

m = ke

When, m=95, e=570,

This implies that,

95 = 570k
k = \frac{95}{570}

k = \frac{1}{6}

The equation now becomes,

m = \frac{1}{6} e

We want to find e, when m=2700,

m = \frac{1}{6} \times 2700

m =450lb
8 0
3 years ago
A small town's raffle has 85 entries and 3 gift baskets that three different people could win. What is the probability of winnin
mr_godi [17]

Answer:

<h2>0.035</h2>

Step-by-step explanation:

This problem is on probabilty since there are a number of entries to be selected from which are 85 entries, the chances of winning one of the prices if selected is

the number of entries you have/ total number of entries

given that the total entry is 85

and that you have one entry

Since there are three gift baskets you have three chances to win one.

hence there will be a total of three draws, and after each draw, there won't be a replacement of the previous winner (as the winners are three distinct persons).

Hence the probability of winning a draw for the gift basket is  

=1st draw+2nd draw+3rd draw

= 1/85+1/84+1/83

= 0.0117+0.0119+0.012

= 0.035

5 0
3 years ago
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