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3 years ago

14

Four students ran for Student Council President. The table lists the percent of votes each student received. Student Name Percen

t of Votes Alvaro 24% Bianca 30% Leticia 17% Gabriela 29% If 150 students voted, how many students voted for Bianca?

1 answer:

Mazyrski [523]3 years ago

5 0

Answer:45

Step-by-step explanation:

150 x .30 = 45.00

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4 years ago

The graph shows the type and number of coins that three students plan to donate during a coin drivefundraiser.Coin Drive Donatio

yarga [219]

Answer:

39 dimes

Explanation:

From the graph:

• Total number of nickels = 9+4+7=20

,

• Total number of dimes = 7+10+9 = 26

The ratio of total nickels to total dimes = 20:26

If the total number of nickels the students donate is increased to 30, we have:

$\frac{\text{Total Nickels}}{\text{Total Dime}}\colon\frac{20}{26}=\frac{30}{x}$

We then solve for x:

$\begin{gathered} 20x=30\times26 \\ x=\frac{30\times26}{20} \\ x=39 \end{gathered}$

The number of dimes they should donate to keep the ratio of total nickels to total dimes the same is 39.

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2 years ago

Three forces with magnitudes 300 Newtons, 180 Newtons, and 250 Newtons act on an object at angles −30◦ , 45◦ , and 135◦ with the

inn [45]

Answer:

261∠36° Newtons

Step-by-step explanation:

A straightforward way to find the resultant is to add the x- and y-components of the forces:

r = 300(cos(-30°), sin(-30°)) +180(cos(45°), sin(45°)) +250(cos(135°), sin(135°))

= (300√3/2 +180√2/2 -250√2/2, -300/2 +180√2/2 +250√2/2)

= (150√3 -35√2, -150 +215√2)

≈ (210.310, 154.056)

≈ 260.698∠36.22°

The resultant is approximately 261 Newtons at an angle of 36°.

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From components (x, y), the angle is found as arctan(y/x). The magnitude is found as √(x²+y²).

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4 years ago

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Answer:

The plots are (0,2) (1,-1)

Step-by-step explanation:

a slanted line starting from top left corner ending in the bottom right

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2 years ago

Which relationship is an example of a proportional relationship?<br> helppp?

andreev551 [17]

Answer: “samuel earns $20 for each lawn he mows”

Step-by-step explanation:

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3 years ago

Read 2 more answers