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Aleonysh [2.5K]
2 years ago
9

Please help me with this

Mathematics
1 answer:
Dimas [21]2 years ago
4 0
I hope this helps, it’s a bit messy but yeahh

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Mary and Kyle together sold 225 candy bars for a fund raiser. Kyle sold twice as many candy bars as Mary.
NARA [144]

Answer:

Mary has 76.5, and Kyle has 178.5.

5 0
2 years ago
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How do you solve for x/3 - x/5
ch4aika [34]

Answer:

x/3 - x/5 = 2/15x

Step-by-step explanation:

Please mark brainlliest if you want.

8 0
3 years ago
When a number is increased by 2.8%, the result is 56. What is the original number to
Sever21 [200]

Answer:

The original number was 54.5.

Step-by-step explanation:

If a number is increased by 2.8%, then it is 102.8% of it's original number.

In mathematics, "of" in virtually all cases means "multiplied by".

Therefore, we do the opposite:

1. Convert to a decimal.

102.8% = 1.028

2. Divide by the decimal.

56 \div 1.028 = 54.47

3. Round it to the nearest tenth.

54.47 rounds to 54.5.

6 0
3 years ago
The length of the hypotenuse of a right triangle is 20 feet. The tangent of one of the acute angles, angle 0, is 1.42. What is t
larisa86 [58]

Answer:

16.4 feet.

Step-by-step explanation:

We have been given that the length of the hypotenuse of a right triangle is 20 feet. The tangent of one of the acute angles, angle \theta, is 1.42. We are asked to find the length of the side opposite angle \theta.

We can represent our given information in an equation as:

\text{tan}(\theta)=1.42

Now, we will use arctan to solve for theta as:

\theta=\text{tan}^{-1}(1.42)

\theta=54.85^{\circ}

Now, we will use sine to solve for opposite side as sine relates opposite side of right triangle with hypotenuse.

\text{sin}=\frac{\text{Opposite}}{\text{hypotenuse}}

\text{sin}(54.85^{\circ})=\frac{\text{Opposite}}{20}

20\cdot \text{sin}(54.85^{\circ})=\text{Opposite}

20\cdot 0.81764=\text{Opposite}

\text{Opposite}=20\cdot 0.81764

\text{Opposite}=16.3528

\text{Opposite}=16.4

Therefore, the opposite side to angle theta is 16.4 feet.

5 0
3 years ago
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2. A car slows down from 50.0 m/s to 20.0 m/s in 6.0 s. What is the acceleration?
taurus [48]

Answer:

50

Step-by-step explanation:

5 0
3 years ago
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