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Akimi4 [234]
1 year ago
7

Helppp please enough points

Mathematics
1 answer:
Leokris [45]1 year ago
6 0

Answer:

Step-by-step explanation:

i cant quite see pls put more clear

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A telescope is on sale for $126. This represents a 30% discount. What was the original price of the telescope? (not $163.80)
almond37 [142]

Answer:

163.8

Step-by-step explanation:

7 0
3 years ago
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A parallelogram piece of paper 40cm by 25cm is cut into small parallelogram 8cm by5cm . How many pieces can be obtained. Step by
Bumek [7]
Step 1- multiply 40 by 25 to get 1000
step2- multiply 8 by 5 to get 40
step3- divide 1000 by 4 to get 250
answer. 250 pieces
5 0
2 years ago
PLEASE ANSWER ME:
Natali [406]

Answer:

Q1=1 11/13 Q2= 1/4

Step-by-step explanation:

You estimate it to the nearest whole and from then on simplify it to the least possible.

Hope this helps

5 0
2 years ago
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En un programa de televisión se hacen 30 preguntas. Por cada respuesta correcta se suman 8 puntos, por cada respuesta errónea se
nikdorinn [45]

Answer:

7 wrong answers.

Step-by-step explanation:

We know that when you answer a question well, you earn 8 points and a bad one loses 5 points, this means that when you answer 1 good and 1 bad, there is a total of 3 points (8-5).

This means that when answering 5 good and 5 bad, in total it would be 3 * 5 points, that is to say 15 points, that is, it goes through 2 points. To subtract 2 points, you would have to answer 1 good and 2 bad, (8 - 2 * 5), which turns out to be -2 points.

In total there would be 6 questions right and 7 questions wrong, like this:

8 * 6 + 5 * 7 = 13

13 points, in 13 questions (6 correct + 7 incorrect)

The rest of the questions were not answered so that the score does not go up or down.

Which means you got 7 wrong answers.

8 0
3 years ago
Using mathematical induction prove whether or not the following statement is true for all positive integers n, or show why it is
aniked [119]

Base case: For n=1, the left side is 2 and the right is 2\cdot1^2=2, so the base case holds.

Induction hypothesis: Assume the statement is true for n=k, that is

2+6+10+\cdots+4k-2=2k^2

We want to show that this implies truth for n=k+1, that

2+6+10+\cdots+4k-2+4(k+1)-2=2(k+1)^2

The first k terms on the left reduce according to the assumption above, and we can simplify the k+1-th term a bit:

\underbrace{2+6+10+\cdots+4k-2}_{2k^2}+4k+2

2k^2+4k+2=2(k^2+2k+1)=2(k+1)^2

so the statement is true for all n\in\mathbb N.

5 0
3 years ago
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