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kiruha [24]
2 years ago
7

Branliest to correct answer no guessing please

Mathematics
1 answer:
Ann [662]2 years ago
3 0

Answer:

THE CORRECT IS B(a and b)= p(A).P(B)

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Expression: (5−2)2+23×4 Step 1: (3)2+23×4 Step 2: 9+23×4 Step 3: 9+9×4 Step 4: 9+36 Step 5: 45 Emily made a mistake. Which step
Levart [38]

Answer:

Step 3

Step-by-step explanation:

Given

(5 - 2)^ 2 + 23 * 4

Required:

Determine the first step where she made mistake

Her Step 1:

(3)^ 2 + 23 * 4 --- This is correct because she solved the bracket first

Her Step 2:

9 + 23 * 4 --- This is correct because she solved 3^2 as 9

Her Step 3:

9 + 9 * 4 --- This is incorrect because 23 * 4 is not equivalent to 9 * 4

Hence, her first mistake is in step 3.

The correct expression would have been

9 + 92

Then

= 101

6 0
2 years ago
-8(8 - x) = 4/5(x + 10)
Vedmedyk [2.9K]

Answer:

x = 10

Step-by-step explanation:

Solve for x:

-8 (8 - x) = (4 (x + 10))/5

Multiply both sides by 5:

-8×5 (8 - x) = (5×4 (x + 10))/5

(5×4 (x + 10))/5 = 5/5×4 (x + 10) = 4 (x + 10):

-8×5 (8 - x) = 4 (x + 10)

5 (-8) = -40:

-40 (8 - x) = 4 (x + 10)

Expand out terms of the left hand side:

40 x - 320 = 4 (x + 10)

Expand out terms of the right hand side:

40 x - 320 = 4 x + 40

Subtract 4 x from both sides:

(40 x - 4 x) - 320 = (4 x - 4 x) + 40

40 x - 4 x = 36 x:

36 x - 320 = (4 x - 4 x) + 40

4 x - 4 x = 0:

36 x - 320 = 40

Add 320 to both sides:

36 x + (320 - 320) = 320 + 40

320 - 320 = 0:

36 x = 40 + 320

40 + 320 = 360:

36 x = 360

Divide both sides of 36 x = 360 by 36:

(36 x)/36 = 360/36

36/36 = 1:

x = 360/36

The gcd of 360 and 36 is 36, so 360/36 = (36×10)/(36×1) = 36/36×10 = 10:

Answer:  x = 10

7 0
3 years ago
Find a formula for the described function. Express the surface area of a cube as a function of its volume v.
Digiron [165]

Let the side of the cube=a

So the volume will be=V=a³

Then surface area of the cube will be=6a²=\frac{6a^3}{a} = \frac{6V}{a}

The above expression showing surface area as a function of Volume. (Answer)

4 0
3 years ago
Pls help i only have 10 minutes on my math test!!<br> the ratios are<br><br><br> 8:5 ?????:10
dlinn [17]

Answer:

yes

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
BRAINLIESt :P quick fast pls
Masteriza [31]

Answer:

D. 2 1/6

Step-by-step explanation:

To visualize the problem easier, start by converting all the fractions to improper fractions, this will allow you to just add the denominators and simplify the question:

1/6, 5/6, 1 3/6 —> 1/6, 5/6, 9/6

Now that the sequence is rewritten, you can simply add 4 to the numerator,  which equals 13/6.

Rewrite this again by finding how many times 6 goes into 13, and use the remainder as the numerator of the new fraction, which will end up as 2 1/6.

4 0
2 years ago
Read 2 more answers
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