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3 years ago

What is the square root of 90 to the nearest integer

Mathematics

1 answer:

kondor19780726 [428]3 years ago

6 0

9.48 i think.

Good luck!

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Jody has $40 and needs at least $18.25 to buy the scrapbook. Each sheet of paper costs $0.34. how many sheets of paper can she b

torisob [31]

You take away $18.25 away from $40 which becomes $21.75. Then you divide $21.75 by $0.34 which is 63.9705882. You have to round this down to get a full number. Answer=63

6 0

4 years ago

Read 2 more answers

Write the phrase as a numerical expression.

mariarad [96]

3. 8+5

4. 2x - 8

Step-by-step explanation:

3. for example : 5 more than the number means

x+5 so that's how we get the answer as 8+5

4. This can be explained in two folds firstly, for example: 2 less than the number means x-2.

secondly;7 times the number means 7x so therefore we get our final answer as 2x - 8

7 0

3 years ago

Question 4(Multiple Choice Worth 1 points) (07.04 LC) Factor completely 49x2 − 9. (7x + 3)(7x − 3) (7x + 3)(x − 3) (7x − 3)(7x −

scoundrel [369]

Answer:

Step-by-step explanation:

We take a look at this expression: $49x^2-9$ and notice that both terms are square numbers. $49x^2=(7x)^2$ and $9=3^2$ .

There is a specific formula that I highly recommend you memorize involving differences of squares. It states that given the difference of squares $a^2-b^2$ , it can always be factored into $(a+b)(a-b)$ .

Here, we can apply that. In this case, a = 7x and b = 3. So:

$49x^2-9=(7x)^2-3^2=(7x+3)(7x-3)$

Thus, the answer is A.

Hope this helps!

6 0

4 years ago

Read 2 more answers

Given that

Pepsi [2]

Answer:

The answer would have to be 76

Step-by-step explanation:

5 0

3 years ago

1. Solve the system.

Sliva [168]

Answer:

Step-by-step explanation:

We put 2nd equation into 1st equation and get y:

$y=\frac{1}{7}x-4\\y=\frac{1}{7}(7y+1)-4\\y=y+\frac{1}{7}-4\\y=y-\frac{15}{4}\\NOTHING$

We can't seem to come to a solution.

Also let's rearrange the 2nd equation into y = something form:

x = 7y + 1

7y = x - 1

y = 1/7 x -1

As we can see BOTH the lines have the same SLOPE, the number before x, which is 1/7 and we know that lines with same slope are parallel, they never intersect.

Having a solution to a system means their intersection point, since they are parallel lines, they don't intersect, and hence DO NOT HAVE A SOLUTION.

D is the correct choice.

8 0

4 years ago