3 years ago

Common Core Sheets

Mathematics

2 answers:

kiruha [24]3 years ago

5 0

144/145

Convert any mixed numbers to fractions
Then your initial equation becomes
48/5 divided by 29/3

OverLord2011 [107]3 years ago

3 0

144/145 this is the simplest form

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Bob takes the subway to work and uses an escalator at the railway station. If Bob runs up 8 steps of the escalator, then it take

olga nikolaevna [1]

x - 8y = 46.5
x - 13y = 39.0

subtract the equations to solve for y

5 y = 46.5 - 39
y = 1.5 so he saves 1.5 seconds per step he runs.

sub in y to solve for x
x - 8 (1.5) = 46.5
x - 12 = 46.5
x = 58.5 seconds

8 0

4 years ago

Brainliest will be awarded

lesya692 [45]

Answer:

no solution

Step-by-step explanation:

mark me brainliest

4 0

3 years ago

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Hector had $98.70. He spent $52.67 for school clothes. How much money does Hector have left? A. $46.03 B. $46.13 C. $47.03 D. $4

V125BC [204]

Answer: A

Step-by-step explanation: Hector should subtract $52.67 from the amount of money he started with which is $92.70.

5 0

4 years ago

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A farmer has two pieces of land in a parallelogram shape on the same base. He grows vegetables and flowers in two triangular pie

Hitman42 [59]

Step-by-step explanation:

In trapezoid ABCF, AB || CF.

Therefore, parallelograms ABEF & ABCD have same height and lie on the same base AB.

$\therefore Ar(\parallel^{gm} ABEF) = Ar(\parallel^{gm}ABCD)\\... (1)\\\\ \because\: Ar(\parallel^{gm} ABEF) \\=Ar(\triangle AFD) + Ar(\square \: ABED)....(2) \\\\\&\: Ar(\parallel^{gm}ABCD)\\= Ar(\triangle BCE) +Ar(\square ABED)....(3)$

From equations (1), (2) & (3), we find:

$Ar(\triangle AFD) + Ar(\square \: ABED) \\ = Ar(\triangle BCE) +Ar(\square ABED) \\ \\ \purple {\boxed {\therefore Ar(\triangle AFD) = Ar(\triangle BCE)}} \\$

Thus, the two triangular pieces of land are equal in area.

Hence proved.

8 0

3 years ago

3x/2 = 5 What's x????

Anni [7]

$\frac{3x}{2} = 5$
taking 2 to the other side ⇒ $\frac{3x}{}$ = 5 x 2
3x=10
taking 3 to the other side ⇒ x = $\frac{10}{3}$
x = 3.34

3 0

4 years ago

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