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3 years ago

Someone answer the blank please :/

Mathematics

2 answers:

-BARSIC- [3]3 years ago

8 0

Answer:31

Step-by-step explanation:

Alecsey [184]3 years ago

5 0

Answer:

I could be wrong but I am pretty sure it's 32

Step-by-step explanation:

24 divided by 15 equals 1.6, so I think if you multiply the last number with 1.6 you get your answer.

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Rewrite y^2(9y^2+4y-9) in standard form

Margaret [11]

Y²(9y² + 4y - 9)

Simplify.

(y² · 9y²) + (y² · 4y) + (y² · -9)

Simplify.

9y⁴ + 4y³ - 9y²

~Hope I helped!~

8 0

4 years ago

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stich3 [128]

Answer:

Step-by-step explanation:

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2 years ago

What is the solution set for (2x-7)^2=25

sladkih [1.3K]

The solution is 2x-7 is 78

8 0

3 years ago

All numbers between 1 and 2 are rational numbers explain your choice

anygoal [31]

This is false because $\sqrt{2}$ is an irrational number, despite being between 1 and 2.

7 0

3 years ago

A magazine ad states that 4 out of 7 doctors recommend Flash toothpaste. if 1400 doctors were surveyed, how many doctors recomme

Paladinen [302]

Answer:

The number of doctors recommended flash toothpaste 800.

Step-by-step explanation:

Given:

A magazine ad states that 4 out of 7 doctors recommend Flash toothpaste.

Now, to find the numbers of doctors recommended flash toothpaste if 1400 doctors were surveyed.

Let the number of doctors recommended be $x$ .

And the total number of doctors surveyed were 1400.

So, as given 4 out of 7 doctors recommend flash toothpaste.

So, 4 equivalent to 7 = $\frac{4}{7}$ .

And, $x$ equivalent to 1400 = $\frac{x}{1400}$ .

Thus, we set the proportion and solve by cross multiplication method:

$\frac{4}{7} =\frac{x}{1400}$

By cross multiplying we get:

$5600=7x$

Dividing both sides by 7 we get:

$800=x$

$x=800.$

Therefore, the number of doctors recommended flash toothpaste 800.

3 0

3 years ago

Read 2 more answers