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Step2247 [10]
2 years ago
9

Matt buys 9 cookies, and of them are chocolate chip. How many chocolate chip cookies did he buy? A .3 cookies B. 6 cookies C.8 c

ookies D. 11 cookies​

Mathematics
2 answers:
inessss [21]2 years ago
8 0

Answer:

B. 6 cookies

Step-by-step explanation:

<u>Given</u> :

  • 9 cookies
  • 2/3 of them are chocolate chip

<u>Number of chocolate chip</u>

  • Total x fraction of chocolate chip
  • 9 x 2/3
  • 3 x 2
  • 6 cookies
erica [24]2 years ago
4 0
<h2>\underline{ \mathbb{SOLUTION:}}</h2>

<u>G</u><u>i</u><u>v</u><u>e</u><u>n</u><u>:</u>

  • 9 cookies
  • \frac{2}{3 }  \\ of them are chocolate chip

<u>T</u><u>o</u><u> </u><u>F</u><u>i</u><u>n</u><u>d</u><u>:</u>

The chocolate chip cookies did he buy.

<u>S</u><u>o</u><u>l</u><u>v</u><u>i</u><u>n</u><u>g</u><u>:</u>

Total x fraction of the chocolate

9 \times  \frac{2}{3}  \\

3 \times 2

6

Therefore, the chocolate chip cookies did he buy is 6.

<h2>_____________________________________</h2>
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Which of the following best represents the relationship between angles A and B?
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Answer:

A = B

Step-by-step explanation:

This is because they are alternate exterior angles and they equal the same thing.

4 0
3 years ago
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Find the volume to the nearest hundredth using 3.14 instead of Pi.
Monica [59]

22/7 lord to the nearest hundreds. 

Step-by-step explanation:

yes the volume and use 3.14 for PI is 22/7 lord to the nearest hundreds. 

8 0
2 years ago
Which sequence of transformations will map figure K onto figure K′? Two congruent kites, figure K and figure K prime, are drawn
elixir [45]

Answer:

The sequence of transformations will map figure K onto figure K′

is the first sequence <u>option (1)</u>

======================================================

Step-by-step explanation:

See the attached figure

as shown in the figure the K' is the image of K by reflection over x-axis

<u>But </u> We need to know which sequence of transformations will give the same result.

So, we will test the options by any point from K and its image from K'

i.e: we will test the options using the points (6,5) , (6,-5)

(6,5) ⇒ (6,-5)

<u>option (1):</u>

Reflection across x = 4, 180° rotation about the origin, and a translation of (x + 8, y)

(6,5) ⇒ (2,5) ⇒(-2,-5) ⇒ (6,-5)

<u>option (2):</u>

Reflection across x = 4, 180° rotation about the origin, and a translation of (x − 8, y)

(6,5) ⇒ (2,5) ⇒(-2,-5) ⇒ (-10,-5)

<u>option (3):</u>

Reflection across y = 4, 180° rotation about the origin, and a translation of (x + 8, y)

(6,5) ⇒ (6,3) ⇒ (-6,-3) ⇒ (2,-3)

<u>option (4):</u>

Reflection across y = 4, 180° rotation about the origin, and a translation of (x − 8, y)

(6,5) ⇒ (6,3) ⇒ (-6,-3) ⇒ (-14,-3)

As shown: The sequence of transformations will map figure K onto figure K′

is the first sequence <u>option (1)</u>

7 0
3 years ago
Read 2 more answers
Expand and simplify: (-7y - 8) (y - 4)
maks197457 [2]

Answer:

{ - 7y}^{2}  + 20y + 32

Step-by-step explanation:

1.) -7y times y = -7y(squared)

2.) -7y times -4 = 28y

3.) -8 times y = -8y

4.) -8 times -4 = 32

5.) Combine like terms

{ - 7y}^{2}  + 28y - 8y + 32 =  { - 7y}^{2}  + 20y + 32

6 0
2 years ago
Advanced Trigonometry please help!!!!!
labwork [276]

Answer:

i) Area = 25 m²

ii) slope of roof = 36.87°

Step-by-step explanation:

(i)  Let the midpoint of AB = M

Find BC by using Pythagoras' Theorem:  a² + b² = c²

(where a and b are the legs, and c is the hypotenuse of a right triangle)

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⇒ 6.25 = BC²

⇒ BC = √(6.25) = 2.5

Area of a rectangle = width x length = BC x BE

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⇒ area of ACFD = area of BCFE = 12.5

Therefore area covered by tiles = 12.5 + 12.5 = 25 m²

ii)

The angle of the slope of the roof will be angle ∠B of the right triangle ΔCMB.

Using sin(A)/a = sin(B)/b = sin(C)/c

sin(90)/2.5 = sin(B)/1.5

0.4 = sin(B)/1.5

0.6 = sin(B)

∠B = 36.87°

3 0
2 years ago
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