3 years ago

How many integers in the set {n is in Z | 1 ≤ n ≤ 700} are divisible by 2 or 7?

Mathematics

1 answer:

Ket [755]3 years ago

3 0

2 integers are, 1 and 7

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About how many inches does a<br> 20-inch diameter tir roll in one<br> turn? (Use 3.14 for it.)

Aleksandr-060686 [28]

<h2>62.8 inches </h2><h2>----------------------------------</h2>

Step-by-step explanation:

diameter = 20 inches

radius = diameter ÷ 2

radius = 20 ÷ 2

= 10 inches

circumference = 2π × radius

= 2 × 3.14 × 10

= 62.8 inches

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3 years ago

In triangle △ABC, ∠ABC=90°, BH is an altitude. Find the missing lengths.

shtirl [24]

Answer:

HC= $\sqrt{3}$

Step-by-step explanation:

Let HC=x, it is given that AH=3HC, then AH=3x.

Since, from the given figure, ΔABC is similar to ΔBHC and ΔABC is similar to ΔABH.

Therefore, ΔABH is similar to ΔBHC, hence using the similarity conditions,

$\frac{HC}{BH}=\frac{BH}{AH}$

$\frac{x}{3}=\frac{3}{3x}$

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$x^{2}=3$

$x=\sqrt{3}$

Hence, HC= $\sqrt{3}$ .

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4 years ago

-2a4 + 8a– 9a<br> Find the degree of the polynomial

wlad13 [49]

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3 years ago

‼️⚠️ANSWER QUICK PLEASE⚠️‼️

Aneli [31]

Answer:

THE ANSWER IS C

Step-by-step explanation:

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3 years ago

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Elis [28]

Step-by-step explanation:

lim(n→∞) (2ⁿ / 2ⁿ⁺¹)

lim(n→∞) (2ⁿ / (2ⁿ × 2¹))

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1/2

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3 years ago