2 years ago

Please I need help fast

Mathematics

1 answer:

Leya [2.2K]2 years ago

3 0

Answer:

45 sq cm

Explanation:

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34 students in Mr. Jones’s math class passed the final exam. There are 40 students in his class total. What Percent of students

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85%

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Sandra used partial products to find the product of 438 × 17 by multiplying 438 by 1 and 438 by 7 to get 3,066. Find the product

boyakko [2]

Let us determine the product of 438 and 17 by partial products.

Consider $438 = 400+30+8$

and $17 = 10+7$

So, $438 \times 17 = (400+30+8) \times (10+7)$

$438 \times 17 = (400\times 10)+(30 \times 10)+(8 \times 10) +(400 \times 7)+(30 \times 7)+(8 \times 7)$

= $438 \times 17 = (4000+300+80+2800+210+56)$

= 7446

Therefore, the product of 438 and 17 is 7446.

No, Sandra's answer is not correct.

Because she should have expressed 17 as (10+7), then if she multiplied (438 by 10) and (438 by 7). And, then added the results.Then her answer would be correct.

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3 years ago

How to find the percentage that is not shaded on the grid?

Digiron [165]

Answer:

Step-by-step explanation:

there are 100 cubes and 8 arent shaded

thats 8 out of 100

8/100 = .08 = 8%

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2 years ago

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Juli2301 [7.4K]

Answer:

The answer is "The discriminant is positive"

Step-by-step explanation:

When the discriminant is positive there is two real solutions.

When the discriminant is equal to 0, there is one real solution.

When the discriminant is negative, there is no real number solutions.

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Neither

Step-by-step explanation:

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