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3 years ago

HELP!!!!

Mathematics

2 answers:

salantis [7]3 years ago

6 0

Answer:

Step-by-step explanation:

egoroff_w [7]3 years ago

5 0

Answer:

x axis

Step-by-step explanation:

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Round 5,869 to the nearest thousand

Lady_Fox [76]

Answer: 6,000

If the value before the one you are rounding to is 5 or greater then round up. If it is 4 or less round down.

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4 years ago

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SHOW how you would use the distributive property to solve: 51 x 7

kkurt [141]

357 is your answer!!!

6 0

3 years ago

a rectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle.

kakasveta [241]

Answer:

P = 47.32

Step-by-step explanation:

This triangle is a special triangle. Because it is 30-60-90 it will have measurements similar to $1 - \sqrt{3} - 2$ . If the longest side is 20 then it corresponds to 2. This means the shortest side of 1 corresponds to half this or 10.

So the triangle will have sides $10 - 10\sqrt{3} - 20$ .

To find the perimeter add all these lengths.

$P = 10 + 10\sqrt{3} +20\\P = 30+10\sqrt{3} \\ P = 47.32$

8 0

3 years ago

Please help me solve this word problem:

notsponge [240]

Solve 55=(t^2−t)/2 for t
t2−t=110
t2−t−110=0
(t−11)(t+10)=0

t=11

5 0

4 years ago

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ALGEBRA 2 QUESTION URGENT HELP PLEASE!!

NARA [144]

Answer:

d. the quantity of negative twenty plus sixteen i all over forty one.

Step-by-step explanation:

We want to simplify the complex number:

$\frac{\sqrt{-16} }{(3-3i)+(1-2i)}$

We rewrite to obtain:

$\frac{\sqrt{16}\times \sqrt{-1} }{(3+1)+(-3i-2i)}$

Recall that: $\sqrt{-1}=i$ and $-1=i^2$

We simplify to get:

$\frac{4i}{4-5i}$

We rationalize to get:

$\frac{4i}{4-5i}\times\frac{4+5i}{4+5i}$

$\frac{4i(4+5i)}{(4-5i)(4+5i)}$

$\frac{16i+20i^2}{4^2+5^2}$

$\frac{16i-20}{16+25}$

$\frac{-20+16i}{41}$

The correct answer is D

8 0

4 years ago