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2 years ago

I really need help this is due in the morning Please I will make brainist !!!!!!!

Mathematics

2 answers:

Blababa [14]2 years ago

4 0

Answer:

look at explanation

Step-by-step explanation:

93.75

240%

148.15

2.45

RoseWind [281]2 years ago

4 0

Answer:

7. 93.75 8. 240%

Step-by-step explanation:

So I got 7 and 8 but nothing else.

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The sum of 3 consecutive odd numbers is 51. What is the second number in this sequence?

Feliz [49]

$2n+1+2n+3+2n+5=51\\
6n+9=51\\
6n=42\\
n=7\\\\
2n+3=2\cdot7+3=17$

4 0

3 years ago

Left parenthesis 5 plus 2 square root of 6 right parenthesis squared = a plus b square root of 6 then the value of a and b are

Ganezh [65]

Answer:

The values of $a$ and $b$ are $33$ and $\frac{20\sqrt{3}}{3}$ , respectively.

Step-by-step explanation:

The statement is equivalent to the following mathematic expression:

$\left(5 + 2\sqrt{2})^{2} = a + b\cdot \sqrt{6}$ (1)

By definition of the perfect square trinomial:

$25 + 20\cdot \sqrt{2} + 8 = a + b\cdot \sqrt{6}$

$33 + 20\sqrt{2} = a + b\cdot \sqrt{6}$

And by direct comparison we have the following system:

$a = 33$ (2)

$b\cdot \sqrt{6} = 20\sqrt{2}$ (3)

By (3), we solve for $b$ :

$b = \frac{20}{\sqrt{3}}$

$b = \frac{20\sqrt{3}}{3}$

The values of $a$ and $b$ are $33$ and $\frac{20\sqrt{3}}{3}$ , respectively.

6 0

2 years ago

sierra is supposed to practice flute for a total of 5 1/4 hours every week. this week, she practiced 15 minutes on sunday, 1 hou

ZanzabumX [31]

This should be the answer

8 0

3 years ago

Pls help urgently extra points and mark brainlist

-Dominant- [34]

Answer:

Step-by-step explanation:

105/3=35

7 0

2 years ago

Read 2 more answers

How to do this problem

Lelu [443]

Answer: y = − 2 x + 8

Step-by-step explanation:

Use the slope formula and slope-intercept form y = m x + b to find the equation.

y = − 2 x + 8

I hope this help.

Download docx

4 0

3 years ago

Read 2 more answers