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3 years ago

What is the measure of the compliment of an angle if it’s supplement is 145

Mathematics

2 answers:

DedPeter [7]3 years ago

4 0

I’m pretty sure it’s 35

Because 180-145=35

Ivahew [28]3 years ago

3 0

_________
180-145=35
90-35=55

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A 6 cm long spring extends to 9 cm when a 1 kg load is suspended from it. What would be its length if a 2 kg load were suspended

vampirchik [111]

Answer:

12 cm

Step-by-step explanation:

To calculate the length of a spring with a 2 kg load, compare the displacement of a 1 kg load and adjust accordingly.

When a 1 kg load is suspended from the spring, the spring which is 6 cm stretches to 9 cm. This is 3 cm longer due to the weight. If you attach a weight which is twice as much then the displacement will be twice as much. Instead of stretching an additional 3 cm, it will stretch 2*3 = 6 cm. Add this to the length of the spring and it stretches in total 6 + 6 = 12 cm.

4 0

3 years ago

Which is the correct factoring of

Igoryamba

Answer:

C. (X+2)(x-6)

Step-by-step explanation:

x^2-4x-12
x^2-6x+2x-12
x(x-6)+2(x-6)
(x+2)(x-6)

7 0

3 years ago

I’ve been trying to figure this out all day and still can’t seem to figure it out

Marat540 [252]

Answer:

(4x-1)(4x-1)

(x-6)(x+5)

(3x-7)(3x+7)

(3x-1)(x+6)

Step-by-step explanation:

yes

3 0

3 years ago

in a standard casino dice game the roller wins on the first roll if he rolls a sum of 7 or 11. what is the probability of winnin

Alborosie

Answer-

The probability of winning on the first roll is 0.22

Solution-

As in the game of casino, two dice are rolled simultaneously.

So the sample space would be,

$|S|=6^2=36$

Let E be the event such that the sum of two numbers are 7, so

E = {(1,6), (2,5), (3,4), (4,3), (5,2), (6,1)}

$|E|=56$

$\therefore P(E)=\dfrac{|E|}{|S|}=\dfrac{6}{36}$

Let F be the event such that the sum of two numbers are 11, so

F = {(6,5), (5,6)}

$|F|=2$

$\therefore P(F)=\dfrac{|F|}{|S|}=\dfrac{2}{36}$

Now,

$P(\text{sum is 7 or 11)}=P(E\ \cup\ F)=P(E)+P(F)=\dfrac{6}{36}+\dfrac{2}{36}=\dfrac{8}{36}=\dfrac{2}{9}=0.22$

8 0

3 years ago

What is the surface area of the prism

slega [8]

Surface Area of the Prism = (6x4) = 2(5x4) + 2(1/2x6x4)

Surface Area of the Prism = 24 + 40 + 24

Surface Area of the Prism =88 cm²

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Answer: Surface Area of the Prism =88 cm²
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7 0

3 years ago