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2 years ago

Tessa had $35. She bought a book for $7 and a magazine for $5. Which expression correctly shows the total money Tessa has left?

Mathematics

2 answers:

Sedaia [141]2 years ago

6 0

Answer:

Step-by-step explanation:

because she had $35 in the beginning and then she spent 7 and 5 on 2 things

Deffense [45]2 years ago

4 0

The answer I believe is (B)

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130

Step-by-step explanation:

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3 years ago

A miner has 3 kilograms of gold dust. She needs to share it evenly with four partners. How much gold should each of the five peo

djverab [1.8K]

600 g

Explanation:
Since 1 kilogram =1000 grams
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3 years ago

The graph below shows a proportional relationship between y and x. What is the constant of proportionality, y/x?

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Step-by-step explanation:

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3 years ago

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If cost of 15 eggs is ? 75, then find out the cost of 4 dozens eggs.

dedylja [7]

Answer:

Each egg is $5 so 4 dozen(48) is $240

Step-by-step explanation:

the way to do this is 75/15= 5

and then you multiply 12 x 4 to get 48 eggs

and then multiply 48 x 5 to get $240

3 0

3 years ago

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There are 3 people pulling on an object, the first person pulls with a force of 226 newtons at a direction of 145 degrees the se

Alona [7]

Answer:

$R=883.74N$

Step-by-step explanation:

From the question we are told that:

Force 1 $F_1=226N$

Force 2 $F_2=331N$

Force 3 $F_3=377N$

Direction 1 $\theta_1=145 degrees \approx 35 \textdegree (2nd qudrant)$

Direction 2 $\theta_2=303 degrees \approx 57 \textdegree (3rd qudrant)$

Direction 3 $\theta_3=77 degrees$

Generally Resolving forces to X axis is mathematically given by

$\sum f_x=337cos77+331cos57+226sin35$

$\sum f_x=351.596N$

Generally Resolving forces to Y axis is mathematically given by

$\sum f_y=337sin77+331sin57+226cos35$

$\sum f_x=810.788N$

Generally the equation for Resultant force R is mathematically given by

$R=\sqrt{\sum f_x^2+\sum f_x^2}$

$R=\sqrt{351.596^2+810.788^2}$

$R=883.74N$

7 0

2 years ago