2 years ago

6th grade math help me plzzz

Mathematics

1 answer:

lord [1]2 years ago

3 0

Answer:

Step-by-step explanation:

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Evaluate the numerical expression 2+65 + 7*3=

riadik2000 [5.3K]

2 + 65 + 7 × 3
= 2 + 65 + 21
= 67 + 21
= 88

answer is 88

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2 years ago

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Expand and simplify ( √2 + 3)to the power of 2

11111nata11111 [884]

Answer:

Step-by-step explanation:

$(\sqrt{2}+3)^2=(\sqrt{2})^2 + 6\sqrt{2}+9 = 6\sqrt{2} +9+2=6\sqrt{2}+11$

hope this helps

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3 years ago

Use the definition of continuity and the properties of limits to show that the function

Zepler [3.9K]

Answer:

Applied the definition and the limit.

They had the same result, so the function is continuous.

Step-by-step explanation:

At function f(x) is continuous at x = a if:

$\lim_{x \to a} f(x) = f(a)$

In this question:

$f(x) = x^{2} + 5(x-2)^{7}$

At x = 3.

$\lim_{x \to 3} x^{2} + 5(x-2)^{7} = 3^{2} + 5(3-2)^{7} = 14$

$f(3) = 3^{2} + 5(3-2)^{7} = 14$

Since $\lim_{x \to 3} f(x) = f(3)$ , f(x) is continuous at x = 3.

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2 years ago

In ΔFKR, which side is included between ∠F and ∠R?

alisha [4.7K]

Answer:

Step-by-step explanation:

the K is the one that is in the center so that would be the answer

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2 years ago

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A ball is dropped from a treetop 256 feet above the ground. How long does it take to hit the ground?

tankabanditka [31]

Assuming gravity is constant and ignoring wind resistance...

h(t)=hi+vit-16t^2....vi=0 and hi=256 so

h(t)=256-16t^2

When it hits the ground, h=0 so

256-16t^2=0

16t^2=256

t^2=16, and since t>0

t=4 seconds

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3 years ago