3 years ago

Rewrite these expressions using words. 2 1/4 +8/3

Mathematics

2 answers:

Kazeer [188]3 years ago

6 0

Answer:

i think its two and one quarter plus eight thirds

ElenaW [278]3 years ago

3 0

Answer:

two and one fourths plus eight thirds

Step-by-step explanation:

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suppose that you pay a dollar to roll two dice if you roll some eight or nine you get a dollar back plus a dollar fifty if not y

never [62]

A little confused by the question

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3 years ago

Find the height of the triangle by applying formulas for the area of a triangle and

lina2011 [118]

Answer:

Step-by-step explanation:

a= 12 mm ; b = 16 mm ; c = 18 mm

s = (a + b+c)/2

$=\dfrac{12 + 16 + 8}{2}\\\\= \dfrac{36}{2}\\\\= 18\\\\$

s -a = 18 - 12 = 6 mm

s -b = 18 - 16 = 2 mm

s -c = 18 - 8 = 10 mm

$area = \sqrt{s(s -a)(s-b)(s-c)}$

$= \sqrt{18*6*2*10}\\\\= \sqrt{2160 }\\\\=46.47\\\\=46 \ mm^{2}\\$

$\dfrac{1}{2}* \ base * \ height = 46\\\\\dfrac{1}{2}*16* \ height = 46\\\\height = \dfrac{46*2}{16}\\\\$

= 5.75

Height = 5.8 mm

8 0

2 years ago

Read 2 more answers

Eric surveys students at his school and finds that 80% have a pet. He wants to estimate the probability that, if he randomly sel

NNADVOKAT [17]

Yes that is correct what is the question

7 0

3 years ago

(m+2)(m+3)=(m+2)(m-2)

Anastaziya [24]

(m+2)(m+3)= (m+2)(m-2)
⇒ m^2+ 3m+ 2m+ 6= m^2 -4
⇒ 5m+ 6= -4 (m^2 on both sides cancels out)
⇒ 5m= -4-6
⇒ 5m= -10
⇒ m= -10/5
⇒ m= -2

The final answer is m=-2~

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3 years ago

A square has a perimeter of 18cm. How long is the side of the square?<br> 15 POINTS**

emmainna [20.7K]

Answer:

Each side is 4.5 cm

Step-by-step explanation:

$18 \div 4 = 4.5$

To find the perimeter of a square you add all the sides.

But to find the side length you do the opposite. Which is the equation above.

Hope this helps : )

5 0

3 years ago