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Luda [366]
3 years ago
15

Help with 1 and 3 please........

Mathematics
1 answer:
77julia77 [94]3 years ago
5 0

Answer:

P = 9+9+14+14= 46cm

A = Base (14 cm) × Height (7cm)

14×7= 98 cm²

3. P= 1.2 +2.0 +1.6= 4.6m

A = 1/2 B×H

= 1/2 1.6× 1.2

= 0.96 m²

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Drupady [299]

Answer:

The answers below ._.

Step-by-step explanation:

A secant is a line that intersects a circle in exactly two points. When a tangent and a secant, two secants, or two tangents intersect outside a circle then the measure of the angle formed is one-half the positive difference of the measures of the intercepted arcs.

6 0
3 years ago
Read 2 more answers
I'm trying to find 1, 2, & 3 but idk how? Sry if it's sideways I'm new ​
Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

m∠1+∠2=180

2x+40+2y+40=180

2x+2y=180-80

2x+2y=100

x+y=50

x=50-y

m∠1=m∠3

2x+40=x+2y

2x-x=2y-40

x=2y-40

2y-40=50-y

2y+y=50+40

3y=90

y=30

x=50-y=50-30=20

m∠1=2x+40=2×20+40=80°

m∠2=2y+40=2×30+40=60+40=100°

m∠3=x+2y=20+2×30=80°

6 0
3 years ago
Find the radius of a circle whose circumference is 56.52 cm. Round your answer to the nearest whole number
LekaFEV [45]

Answer:

9 cm

Step-by-step explanation:

hope it helps<3

8 0
3 years ago
What is the wavelength of a 320 Hz sound traveling 330 m/s?
maw [93]

Answer:1.03125 meter

Step-by-step explanation:

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Frequency =320 Hertz

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8 0
3 years ago
A car with a cost price of $5200 is<br> sold at a profit of 15%. Calculate the<br> selling price
andriy [413]

Answer:

We are given the initial price of a car and we are also told that the car sold for a 15% profit which means that the price that the car was sold for is 15% more than it's initial price.  This is just a simple multiplication problem which we multiply the initial price by the total percentage plus 0.15

Sold\ Price = Initial\ Price *(Total\ Percentage+Profit\ Percentage)

Sold\ Price = \$5200*(1+0.15)

Sold\ Price = \$5200*(1.15)

Sold\ Price = \$5980

Therefore, our final answer is that the selling price was $5980

<u><em>Hope this helps! </em></u>

5 0
2 years ago
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