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Y_Kistochka [10]
3 years ago
11

Select the equation needed to solve the following word problem:

Mathematics
1 answer:
bija089 [108]3 years ago
8 0

Answer:

Correct answer is D.

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Simply the expression below using order of operations (5^2 -6^2)+5(8-12 ÷3)
Kamila [148]

Answer:

9

Step-by-step explanation:

The first operation is what inside the braces

1-first comes the multiple and the division

2- then the + and the -

1- (25-36)+5(8-4)

2- (25-36) + 5×4

3- (-11) + 20 =9

3 0
3 years ago
What is the answer to 14n- 7= 49
finlep [7]
<span>14n- 7= 49
Add 7 to both sides
14n=56
Divide 14 on both sides
Final Answer: n=4</span>
8 0
3 years ago
Read 2 more answers
Meredith bought 4 T-shirts and 2 pairs of pants. If x is the cost of one T-shirt and y is the cost of one pair of pants, she'll
borishaifa [10]

Answer:

2X+4X=Y just switch it. Technically its still the same problem

Step-by-step explanation:

4 0
2 years ago
Two children are sitting on a seesaw that is 12ft long. One child weighs 60lb. The other child weighs 90lb. How far from the 90-
jeyben [28]

Answer:

Step-by-step explanation:

moments about the fulcrum should be equal

IF x is the distance of the fulcrum from the 90 lb child

90[x] = 60[12 - x]

90x = 720 - 60x

150x = 720

x = 4.8 ft

90(4.8) = 432 ft•lb

60(12 - 4.8) = 432 ft•lb

3 0
3 years ago
Find the interval of convergence of the power series. (Be sure to include a check for convergence at the endpoints of the interv
Anon25 [30]

I'm guessing the power series given is

\displaystyle \sum_{n=1}^\infty (-1)^{n+1}\frac{(x-8)^n}{8^n}

which you can condense somewhat into

\displaystyle -\sum_{n=1}^\infty \left(\frac{8-x}8\right)^n

You should recognize this as a geometric series, which converges for

\left|\dfrac{8-x}8\right|

3 0
3 years ago
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