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2 years ago

Choose ALL the right triangles.

Mathematics

2 answers:

11Alexandr11 [23.1K]2 years ago

6 0

Answer:

Bottom left corner and bottom right corner

Step-by-step explanation:

ziro4ka [17]2 years ago

3 0

the orange one and the blue one on the bottom

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Which of the following best defines 2 2/3?

inna [77]

Answer:

A. $\sqrt[3]{4}$ = Cube root of 4.

Step-by-step explanation:

We have been given an expression $2^{\frac{2}{3}}$ . We are asked to find the equivalent expression for our given expression.

Using exponent property $\sqrt[n]{a^m} =a^{\frac{m}{n}$ , we will get,

$2^{\frac{2}{3}}=\sqrt[3]{2^2}$

$2^{\frac{2}{3}}=\sqrt[3]{4}$

Upon looking at our given choices, we can see that option A is the correct choice.

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3 years ago

Read 2 more answers

the table shows the number of minutes Tim has for lunch and study hall. he calculates that these two periods account for 18% of

EleoNora [17]

Tim spends 500 minutes at the school.

Step-by-step explanation:

Given,

Time for lunch = 45 minutes

Time for study hall = 45 minutes

Total = 45+45 = 90 minutes

This represents 18% of the total minutes Tim spend at school.

Let,

x be the total minutes Tim spend at school.

18% of x = 90 minutes

$\frac{18}{100}x=90\\\\0.18x=90$

Dividing both sides by 0.18

$\frac{0.18x}{0.18}=\frac{90}{0.18}\\x=500$

Tim spends 500 minutes at the school.

Keywords: percentage, division

Learn more about division at:

#LearnwithBrainly

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3 years ago

I just need the answer to the screen shot

sveta [45]

SQUARES BECAUSE THEY ARE IN THE MIDDLE DUMMY

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2 years ago

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What is the focus of the parabola given the equation y=x^2+4x-1

IrinaK [193]

Let's first rewrite it in vertex form.
Start by completing the square.
y = x² + 4x + 4 - 4 - 1
y = (x + 2)² - 5
(x + 2)² = y + 5

Now, 4a = 1; a = $\frac{1}{4}$

So, the vertex form is (x + 2)² = 4( $\frac{1}{4}$ )(y + 5)
So, we know that the vertex is at (-2, -5).
Since it's a concave up parabola, we just have to change the y-value to find the focus.

∴ F(-2, -5 + $\frac{1}{4}$ )
F(-2, $\frac{-19}{4}$ )

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2 years ago

Please this is urgent fill in the blanks

Nutka1998 [239]

Answer:

Step-by-step explanation:

hope this helps i havent done this in a while

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3 years ago