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goldenfox [79]
3 years ago
5

Algebra Help (attatched)

Mathematics
1 answer:
oee [108]3 years ago
3 0
So the y value of the vertex of the parabola that models the data should be the left hand side of the chart; Number of $2 increases in price. So however your graph is, it should make sense. 
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If ∠a = 90°, find the measures of ∠b, ∠c and ∠d.
nydimaria [60]

Answer:

m∠b = 35°

m∠c = 145°

m∠ d = 35°

Step-by-step explanation:

To find m∠b, we use Definition of Supplementary Angles:

180 - (90 + 55) = 35°

To find m∠c, we also use Definition of Supplementary Angles:

180 - 35 = 145°

To find m∠d, we use Vertical Angles Theorem:

m∠b = m∠d = 35°

5 0
3 years ago
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Three-fourths of the people at a concert are children. If there are 87 children, what is the total number of people at the conce
babymother [125]

Hello!

Let's write this as an equation below.

3/4x=87

To find our answer ,we just divide both sides of the equation by 3/4.

x=116

Therefore, 116 people attended the concert.

I hope this helps!

8 0
3 years ago
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A circle has a radius of 7.5 cm what is the diameter?
kifflom [539]

Answer:

15

Step-by-step explanation:

Radius times 2 is the diameter!

4 0
3 years ago
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Which proportion can be used to find the arc length, s, in units?
Alinara [238K]

Answer:

Option B

Step-by-step explanation:

Formula to be used to calculate the length of an arc,

Length of arc = \frac{\theta}{360}(2\pi r)

Here, θ = Angle subtended at the center by the arc

r = radius of the circle

By substituting values in the formula,

s = \frac{150}{360}(2\pi )(42)

\frac{s}{2\times 42\pi }=\frac{150}{360}(\frac{2\times 24\pi }{2\times 24\pi } )

\frac{s}{84 \pi }=\frac{150}{360}

Therefore, Option B will be the answer.

5 0
3 years ago
ANSWER THESE AND I WILL MARK BRAINLIEST
SSSSS [86.1K]
Can't read the question
3 0
3 years ago
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