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Mumz [18]
3 years ago
5

Dominic is buying supplies for his poetry class. He likes to write his poems in black ink, then decorate the pages with colorful

drawings. The Mega Writer pack has 6 colored pens and 9 black pens. The Mini Writer pack has 3 colored pens and 6 black pens. Do the packs have the same ratio of colored pens to black pens?
Mathematics
1 answer:
pychu [463]3 years ago
6 0

Answer:

No, they do not.

Step-by-step explanation:

Mega Writer pack: 6color:9black ratio or 9 black pens out of 15 total pens.

Mini Writer pack 3color:6black ratio or 6 black pens out of 9.

6:9 is not equal to 3:6 and 9/15 is not equal to 6/9.

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Im dumb so help me out here 50 points each Click on the image to enlarge
antiseptic1488 [7]

Answer:

D

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°, that is

∠ 1 + ∠ 2 + ∠ 3 = 180°

Given ∠ 1 + ∠ 2 = 134°, then

134° + ∠ 3 = 180° ( subtract 134° from 180° )

∠ 3 = 46° → D

8 0
3 years ago
Find the area of the following figure.
Zigmanuir [339]

Answer:

312

Step-by-step explanation:

Triangles

1/2 12 *10 = 6*10 = 60

there are two triangles meaning we have to multiply 60 by 2 = 120

Rectangle

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Add the two and you have the area 120+192=312

5 0
3 years ago
A ball is thrown from an initial height of 2 feet with an initial upward velocity of 31 ft/s. The ball's height h (in feet) afte
Vlad1618 [11]

A quadratic equation is in the form of ax²+bx+c. The time at which the height of the ball is 16 feets is 0.717 seconds and 1.221 seconds.

<h3>What is a quadratic equation?</h3>

A quadratic equation is an equation whose leading coefficient is of second degree also the equation has only one unknown while it has 3 unknown numbers. It is written in the form of ax²+bx+c.

The complete question is:

A ball is thrown from an initial height of 2 feet with an initial upward velocity of 31 ft/s. The ball's height h (in feet) after 7 seconds is given by the following, h=2+31t-16t². Find all values of t for which the ball's height is  16 feet. Round your answer(s) to the nearest hundredth.

The time at which the height of the ball is 16 feet can be found by,

h = 2 + 31t - 16t²

16 = 2 + 31t - 16t²

16 - 2 - 31t + 16t² = 0

16t² - 31t + 14 = 0

t = \dfrac{-(-31)\pm \sqrt{(-31)^2-4(16)(14)}}{2(16)}\\\\

t = 0.717 , 1.221

Hence, the time at which the height of the ball is 16 feets is 0.717 seconds and 1.221 seconds.

Learn more about Quadratic Equations:

brainly.com/question/2263981

#SPJ1

4 0
2 years ago
How much longer is a pencil than a glue stick
balu736 [363]

depending on the size of both i would say 3 inches

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Calculate the length of AB. *
arsen [322]

Answer:

the answer will be 9.6 cm

4 0
3 years ago
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