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nalin [4]
3 years ago
9

Help my son with this question becuz even I don't know it

Mathematics
2 answers:
evablogger [386]3 years ago
6 0
The answer for the question is B

hodyreva [135]3 years ago
4 0

Answer:

B

Step-by-step explanation:

4 times \frac{2}{3}

\frac{4}{2} times \frac{2}{3}

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3. Find the difference.<br> a. 82-(-14)<br> b. -18- (-55)<br> C. -17-44<br> d. 70- (-101)
n200080 [17]

Answer:

A. -68

B. 37

C. -61

D. 171

Step-by-step explanation:

Rule for A, B, D: 2 negatives is the same as addition

(how I did C: add them together then add the negative)

8 0
3 years ago
Solve each prportion. (2/y-4)=(y+3/4)
vampirchik [111]

Answer:

y = 5, -4

Step-by-step explanation:

To solve proportions you cross-multiply.

\frac{2}{y-4} =\frac{y+3}{4} \rightarrow 2\times4 = (y-4)\times(y+3) \rightarrow 8=y^2-y-12

Now that we have 8 = y^2 - y - 12, we must make the entire trinomial equal to 0 by subtracting 8 from both sides.

y^2 - y - 20 = 0

Factor the trinomial.

(y - 5)(y + 4) = 0

Make both factors equal to 0 to solve for both values of y.

  • y - 5 = 0 --> y = 5
  • y + 4 = 0 --> y = -4

y = 5, -4

4 0
3 years ago
What is the surface area of the cube shown?<br><br> 6.5 lenth 6.5 hieght
swat32

Answer:

253.5

Step-by-step explanation:

basically i had the same question so yeah! and im a pro at math

6 0
3 years ago
Read 2 more answers
PLS HELP!!
GuDViN [60]
25.69 + .75= $26.44

Hope this helps.
7 0
3 years ago
Please help asap!!!!
Maurinko [17]

I think the answer is 3w over z to the power of 5

8 0
3 years ago
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