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horsena [70]
3 years ago
15

What are Numbers? Why do we need them?​

Mathematics
1 answer:
il63 [147K]3 years ago
3 0
A number is a mathematical object used to count, measure, and label
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In the diagram, the length of segment TQ is 40 units.
allsm [11]

Answer:

The answer is 44.

Step-by-step explanation:

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2 years ago
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What is nine? Huhhhhhhhhhhh?
grigory [225]

Step-by-step explanation: The base of the power in the original equation becomes the base of the log. So we have ^{log}3.

Next, the exponent in the original equation goes on the other side of the equation and finally, the result in the original equation goes inside the log.

So we have ^{log} 3 9 = 2 which is 3² = 9 written in logarithmic form.

This can also be switched around to read 2 = ^{log} 3 = 9.

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7 0
3 years ago
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The length of the shorter base in an isosceles trapezoid is 4 in, its altitude is 5 in, and the measure of one of its obtuse ang
siniylev [52]
The sum of angles in any quadrilateral, including trapezoid, is 360⁰. 
Because we have <span>an isosceles trapezoid, we have 2 angles with measure 135⁰,
and we have 2 equal acute angles with measure x⁰.
So, we can find value of acute angle,
135*2 +2x =360⁰
270+2x=360
2x=360-270
2x=90
x=45⁰

So, acute angles in trapezoid = 45⁰.
From triangle ABC,
angle ACB =90⁰
angle A=45⁰,
so angle ABC= 180-(90-45)=45⁰
Triangle ABC is isosceles triangle,so |AC| = |CB|= 5 in.

So, longer base AA' = 5+4+5= 14 in

Now, we can find area of trapezoid.
shorter base = 4 in
longer base = 14 in
altitude =h = 5 in
Area of trapezoid =(1/2)(base1+base2)*h
Area of trapezoid = (1/2)(4+14)*5= 9*5=45 in²
Answer is 45 in².
</span>

5 0
3 years ago
Draw and label point W. Draw and label line XY. Draw and label a plane K
mafiozo [28]

Answer:

b a pex

Step-by-step explanation:

3 0
3 years ago
PLEASE HELP ME PLEASE I NEED HELP AS FAST AS POSSIBLE
bearhunter [10]

Answer:

monomial

Step-by-step explanation:

because it has one variable which in this case is b and one number in this case is 10

6 0
3 years ago
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