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3 years ago

HELP ME FAST I WILL GIVE POINTS!!

Mathematics

2 answers:

coldgirl [10]3 years ago

6 0

Answer:

Step-by-step explanation:

Where is the link?

Margaret [11]3 years ago

3 0

Answer:

wheres the question then ill try n help

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An object is 3.6 m from the pinhole. Its image is 4.2 cm from the opposite side of the pinhole. The height of the image is 0.8 c

madreJ [45]

Answer:

Height of the object is 68.6 cm.

Step-by-step explanation:

The height of the object can be determined by:

$\frac{object distance from pinhole}{image distance from pinhole}$ = $\frac{object height}{image height}$

From the given question;

object distance from pinhole = 3.6 m = 360 cm

image distance from pinhole = 4.2 cm

height of image = 0.8 cm

So that;

$\frac{360}{4.2}$ = $\frac{object height}{0.8}$

⇒ object height = $\frac{360*0.8}{4.2}$

= $\frac{288}{4.2}$

= 68.571

object height = 68.6 cm

Thus, the height of the object is 68.6 cm.

5 0

3 years ago

Brenda noticed that the reptile building at the zoo was located at the point (-3, 4) on the zoo map. Name the quadrant of the ma

rodikova [14]

It is located in quadrant 2

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2 years ago

Paula is going to choose the size, color, phrase, and picture for a birthday card for her friend. There are 2 sizes, 4 colors, 7

grandymaker [24]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

The magnitudes of the moon and sirius are -12.5 and -1.44, respectively. approximately how many times is the moon brighter than

Lelu [443]

Solution:

we are given that

The magnitudes of the moon and Sirius are -12.5 and -1.44 respectively.

we have been asked to find approximately how many times is the moon brighter than Sirius?

The word magnitude is used by the scientist to describe the brightness of moon/star/object etc.

So we can find the brightness by dividing the given values. so we get

$\frac{-12.5}{-1.44} =8.6805$

Hence we can say

The moon is 8.68 times brighter than Sirius.

3 0

3 years ago

Yesterday, Natalie's Doughnut Shop sold 3/4 as many chocolate doughnuts as cinnamon doughnuts. If they sold 3/5 of a tray of cin

aniked [119]

Answer:

9/20 or .45

Step-by-step explanation:

3/4 x 3/5 = .45 or 9/20

3 0

3 years ago