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serg [7]
3 years ago
9

Can someone hurry please tell me the answer I will mark brainless

Mathematics
1 answer:
Licemer1 [7]3 years ago
7 0

Answer:

C) z = 1/2

Step-by-step explanation:

4z + 5 = 7

4z = 2

z = 1/2

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A bag contains 3 red balls, 4 green balls, and 2 yellow balls. Deborah reaches into the bag and pulls out the following 4 balls:
scoray [572]

The probability that the ball Deborah picks is green is; 3/5.

<h3>What is the probability that the ball picked last is green?</h3>

Since the bag initially contains; 3 red balls, 4 green balls, and 2 yellow balls, after Deborah pulls out the 4 balls: red, red, green, yellow.

The balls remaining are; 1 red ball, 3 green and 1 yellow.

Hence, the probability that the final ball she picks is green is; 3/(3+1+1) = 3/5.

Read more on probability;

brainly.com/question/251701

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8 0
2 years ago
The sum of two integers is zero, if one of them is -5, then other is------------
Alecsey [184]
The answer is positive 5. 5+(-5)=0
4 0
3 years ago
the cost C (in dollars) for beads to make bracelets is C = 4x + 180, where x is the number of bracelets. Each bracelet sells for
luda_lava [24]
R = 34x - (4x + 180)

If you liked my answer please make me the brainliest answer! :)
3 0
3 years ago
8a+6ab+5b,-6a-ab-8b and - 4a+2ab+3b<br><br>Pls answer this question ​
suter [353]

Answer:

4 a+8 ab+8b

Step-by-step explanation:

8 a-4 a+6ab+2ab+5 b+3 b

4 a+8 ab+8b

6 0
3 years ago
Find the slope of the line through the given points.<br> (-3,-18) and (1,2)
katovenus [111]

Answer:

5

Step-by-step explanation:

Slope (m) =

ΔY

ΔX

=

5

1

= 5

θ =

arctan( ΔY )

ΔX

= 78.69006752598°

ΔX = 1 – -3 = 4

ΔY = 2 – -18 = 20

Distance (d) = √ΔX2 + ΔY2 = √416 = 20.396078054371

Equation of the line:

y = 5x – 3

When x=0, y = -3

When y=0, x = 0.6

7 0
3 years ago
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