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KATRIN_1 [288]
4 years ago
9

Is (10 – 3) – 2 = 10 – (3 –) correct?

Mathematics
1 answer:
dusya [7]4 years ago
6 0

Answer: No solution

Step-by-step explanation:

(10–3)–2=10–(3–)

10−3−2=10−3, this is false so it is not correct, and the answer for the equation is no solution.

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Please answer both A. and B.<br><br><br> Thank you!
ioda

Answer: (b)-175 ft

Step-by-step explanation:

In \triangle ABC\ \text{and}\ \triangle CDE

\angle ACB=\angle ECD\quad [\text{vertically opposite angles}]\\\angle ABC=\angle CDE\quad [\text{Each angle is }90^{\circ}]\\\therefore \triangle ABC \sim\ \triangle CDE\quad [\text{by AA similarity criteria}]

(ii)for similar triangles, we can write

\Rightarrow \dfrac{100}{d}=\dfrac{4x}{7x}\\\\\Rightarrow d=100\times \dfrac{7}{4}=175\ ft

5 0
3 years ago
The sum of two number is 63the smaller number is 17 less than the larger number.what are the number
pochemuha

Answer:

The larger number is 40, and the smaller one is 23.

Step-by-step explanation:

Let x be the larger number.

Let x - 17 be the smaller number.

x + (x - 17) = 63

2x - 17 = 63

2x = 80

x = 40

Hence, the smaller number is 40 - 17 = 23.

Hope this helped!

6 0
3 years ago
Read 2 more answers
Jonathan is making his favorite pasta dish. He serves his mom 1/12 of the pot of pasta and his brother 1/6 of the pot. How much
Lerok [7]
1/6 also is 2/12. So, there is 9/12 of the pasta left.
3 0
3 years ago
Read 2 more answers
Lady Marion Seafood, Inc. sells 5-pound packages of Alaska salmon. Assume the variable cost per package is $30, and the fixed co
liraira [26]

Answer:

It should charge $48 for a five-pound package of salmon.

Step-by-step explanation:

Assume the variable cost per package is $30, and the fixed cost is $250,000.

We know the formula: Profit = Total revenue - Total cost.

Profit = 38000

Total revenue = P x Q (P= price, Q = quantity)

Total revenue = 16000P

Total cost = [Fixed cost + (variable cost x quantity)]

Variable cost = 30

Fixed cost = 250000

Putting all values in formula:  (P x Q) - [FC + (VC x Q)]

38000=16000P -[250000+(30\times16000)]

Solving for P;

38000=16000P -[250000+(30\times16000)]

=> 38000=16000P -730000]

=> 16000P=768000

Cancelling zeroes and dividing by 16 on both sides, we get;

P = $48

Hence, the company should charge $48 for a five pound package of salmon.

4 0
3 years ago
If a - 3= 7, then 2a - 14 =
Blizzard [7]
A=7+3   ->   a=10

2a-14= 2×10-14
        =20-14
        =6
3 0
4 years ago
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