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2 years ago

HELP ME WITH THIS QUESTION!!

Mathematics

1 answer:

Arlecino [84]2 years ago

5 0

Answer:

Area of rectangle= l*b= 180

Area of triangle= 1/2 *b*h=30

Area of the complete figure= 210

Step-by-step explanation:

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What makes apparent magnitude different from absolute brightness? Give an example in your response.

Lapatulllka [165]

Apparent magnitude isn’t the actual brightness, it’s what the brightness appears to be from earth, absolute brightness is the actual brightness an example is our sun it appears bright on earth but in space it is so much more brighter

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2 years ago

11b-12<-100

ruslelena [56]

Answer:

ok wait which symbol? this (<)?

well it should stay the same since -100 is greater than the 11b-12

LHS=RHS

11b÷11b b must cancell b also do the same on -12. -12÷11 will give u a lesser value compared to -100

prove me wrong

4 0

2 years ago

Read 2 more answers

Allison counted 56 cars parked in the lot. Eight parking spaces remained empty Plan, solve, and check to find the ratio of empty

Alexeev081 [22]

The ratio is 1:8 for empty to full.

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3 years ago

Point x is located at (-2,-6) and point z is located at (0,5). Find the y value for the point y that is located 1/5 the disteanc

MA_775_DIABLO [31]

Answer:

-3.5

Step-by-step explanation:

We have to find the distance between x and z along the y-axis.

This will be: 5 - -6 = 11 units

1/5 th of 11 = 1/5 × 11

= 11/5

= 2 1/5 = 2.5

Now add 2.5 to -6

2.5 + -6 = -3.5

The value of y = -3.5

3 0

2 years ago

Both circle A and circle B have a central angle measuring 50°. The area of circle A's sector is 36π cm2, and the area of circle

slega [8]

Answer:

A) 3/4

Step-by-step explanation:

Given: Both circle A and circle B have a central angle measuring 50°.

The area of circle A's sector is 36π cm2.

The area of circle B's sector is 64π cm2.

We know, area of the circle= $\pi r^{2}$

lets assume the radius of circle A be " $r_1$ " and radius of circle B be " $r_2$ "

As given, Area of circle A and B´s sector is 36π and 64π repectively.

Now, writing ratio of area of circle A and B, to find the ratio of radius.

⇒ $\frac{\pi r_1^{2} }{\pi r_2^{2} } = \frac{36\pi }{64\pi }$

Cancelling out the common factor

⇒ $\frac{r_1^{2} }{r_2^{2} } = \frac{36 }{64}$

⇒ $(\frac{r_1 }{r_2} )^{2} = \frac{36 }{64}$

Taking square on both side.

Remember; √a²= a

⇒ $(\frac{r_1 }{r_2} ) =\sqrt{ \frac{36 }{64}}$

⇒ $(\frac{r_1 }{r_2} ) = \frac{6}{8}$

⇒ $\frac{r_1 }{r_2} = \frac{3}{4}$

Hence, ratio of the radius of circle A to the radius of circle B is 3:4 or 3/4.

5 0

3 years ago